crimsonrat | 0335de8eadbbd5dc7cbe92ef869bcea6f6596ac39a38680142c982ec6e97ecde

Analysis

max time kernel
146s
max time network
149s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
10-04-2024 09:21

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Report Analysis Logs

General

Target

0335de8eadbbd5dc7cbe92ef869bcea6f6596ac39a38680142c982ec6e97ecde.xlam
Size

127KB
MD5

e0f6bcdb71df502f7aefe22db8207a69
SHA1

9f7357219cbfb5b940d5809f8564a6bb821fa036
SHA256

0335de8eadbbd5dc7cbe92ef869bcea6f6596ac39a38680142c982ec6e97ecde
SHA512

ea9fc5fe2bcd8a225c7f7f7b8ea832e3d143278a07c6264edaf9476fb5e7852efdd9b3dbcde6e211ccb1e6d011b11845def65af58e9298a01b3067a05200d7cc
SSDEEP

3072:NDKcDiVBG5Q0fULY/fPiY4XXnfWFsnNfWSWe:NDDD0BGCY/fkXvTNf5

Score

10^/10

crimsonrat rat

Malware Config

Extracted

Family

crimsonrat

185.136.161.124

Signatures

CrimsonRAT main payload 1 IoCs

resource	yara_rule
behavioral1/files/0x0007000000016db3-49.dat	family_crimsonrat

CrimsonRat
Crimson RAT is a malware linked to a Pakistani-linked threat actor.
rat crimsonrat

Executes dropped EXE 2 IoCs

pid	Process
2328	hbraeiwas.exe
2508	dlrarhsiva.exe

Loads dropped DLL 1 IoCs

pid	Process
1204	EXCEL.EXE

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\PROGRA~3\Hdlharas\dlrarhsiva.exe	hbraeiwas.exe
File opened for modification	C:\PROGRA~3\Hdlharas\dlrarhsiva.exe	hbraeiwas.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Office loads VBA resources, possible macro or embedded object present

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor	EXCEL.EXE

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\COMMAND	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\ = "&Edit"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\ = "&Edit"	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\COMMAND	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\""	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\""	EXCEL.EXE

Modifies registry class 64 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\Interface	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\Interface\{79176FB3-B7F2-11CE-97EF-00AA006D2776}	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\Interface\{4C5992A5-6926-101B-9992-00000B65C6F9}\ = "ImageEvents"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher\shell\edit	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\Interface\{BEF6E003-A874-101A-8BBA-00AA00300CAB}\ = "Font"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\Wow6432Node\Interface\{8BD21D53-EC42-11CE-9E0D-00AA006002F3}	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\Interface\{5512D11F-5CC6-11CF-8D67-00AA00BDCE1D}	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe\shell\edit\ = "&Open"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\Wow6432Node\Interface\{BEF6E003-A874-101A-8BBA-00AA00300CAB}\ = "Font"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\Interface\{04598FC7-866C-11CF-AB7C-00AA00C08FCF}	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\Wow6432Node\Interface\{A38BFFC3-A5A0-11CE-8107-00AA00611080}	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\Wow6432Node\Interface\{5512D115-5CC6-11CF-8D67-00AA00BDCE1D}	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0D0B1AE4-3A0E-40E6-A502-39D0E999131D}\2.0\0\win32	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\TypeLib\{0D0B1AE4-3A0E-40E6-A502-39D0E999131D}\2.0	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\Wow6432Node\Interface\{978C9E22-D4B0-11CE-BF2D-00AA003F40D0}	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\MSPUB.EXE\" %1"	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Version\14\ = "C:\\Program Files (x86)\\Microsoft Office\\Office14\\msohtmed.exe"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\Wow6432Node\Interface\{EC72F590-F375-11CE-B9E8-00AA006B1A69}\ = "IDataAutoWrapper"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\Wow6432Node\Interface\{04598FC8-866C-11CF-AB7C-00AA00C08FCF}\ = "_UserForm"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\Wow6432Node\Interface\{47FF8FE5-6198-11CF-8CE8-00AA006CB389}\ = "WHTMLControlEvents6"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\Interface\{04598FC4-866C-11CF-AB7C-00AA00C08FCF}	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\Wow6432Node\Interface\{04598FC2-866C-11CF-AB7C-00AA00C08FCF}\ = "ITabStrip"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\Interface\{5512D117-5CC6-11CF-8D67-00AA00BDCE1D}\ = "IWHTMLCheckbox"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\Interface\{79176FB2-B7F2-11CE-97EF-00AA006D2776}\ = "SpinbuttonEvents"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\Interface\{47FF8FE5-6198-11CF-8CE8-00AA006CB389}	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Old Icon	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\Wow6432Node\Interface\{A38BFFC3-A5A0-11CE-8107-00AA00611080}\ = "Tab"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\Wow6432Node\Interface\{8BD21D62-EC42-11CE-9E0D-00AA006002F3}	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shellex\IconHandler	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\EXCEL.EXE\" /dde"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\Interface\{5512D11B-5CC6-11CF-8D67-00AA00BDCE1D}	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec\ = "[open(\"%1\")]"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\Interface\{5CEF5613-713D-11CE-80C9-00AA00611080}	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shellex\IconHandler\ = "{42042206-2D85-11D3-8CFF-005004838597}"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\Wow6432Node\Interface\{04598FC4-866C-11CF-AB7C-00AA00C08FCF}\ = "ICommandButton"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\Interface\{5512D113-5CC6-11CF-8D67-00AA00BDCE1D}\ = "IWHTMLImage"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\Wow6432Node\Interface\{5512D125-5CC6-11CF-8D67-00AA00BDCE1D}	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\Wow6432Node\Interface\{8BD21D32-EC42-11CE-9E0D-00AA006002F3}\ = "MdcComboEvents"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\Interface\{47FF8FE3-6198-11CF-8CE8-00AA006CB389}\ = "WHTMLControlEvents4"	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shellex\IconHandler\ = "{42042206-2D85-11D3-8CFF-005004838597}"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\msohtmed.exe\" %1"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\Wow6432Node\Interface\{82B02371-B5BC-11CF-810F-00A0C9030074}	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\Wow6432Node\Interface\{92E11A03-7358-11CE-80CB-00AA00611080}	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\""	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe\shell\edit\ = "&Open"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\Interface\{8BD21D52-EC42-11CE-9E0D-00AA006002F3}\ = "MdcOptionButtonEvents"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\Wow6432Node\Interface\{796ED650-5FE9-11CF-8D68-00AA00BDCE1D}\ = "WHTMLControlEvents"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word\shell\edit	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\DefaultIcon	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\Interface\{8BD21D53-EC42-11CE-9E0D-00AA006002F3}	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\Wow6432Node\Interface\{944ACF93-A1E6-11CE-8104-00AA00611080}\ = "Tabs"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\Interface\{5512D123-5CC6-11CF-8D67-00AA00BDCE1D}\ = "IWHTMLSelect"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\Wow6432Node\Interface\{47FF8FE6-6198-11CF-8CE8-00AA006CB389}	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\topic\ = "system"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\Wow6432Node\Interface\{5512D11F-5CC6-11CF-8D67-00AA00BDCE1D}\ = "IWHTMLPassword"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\Wow6432Node\Interface\{47FF8FE1-6198-11CF-8CE8-00AA006CB389}\ = "WHTMLControlEvents2"	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\topic	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\Wow6432Node\Interface\{7B020EC8-AF6C-11CE-9F46-00AA00574A4F}\ = "MultiPageEvents"	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1204	EXCEL.EXE

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1204	EXCEL.EXE
1204	EXCEL.EXE
1204	EXCEL.EXE
1204	EXCEL.EXE
1204	EXCEL.EXE

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1204 wrote to memory of 2328	1204	EXCEL.EXE	28
PID 1204 wrote to memory of 2328	1204	EXCEL.EXE	28
PID 1204 wrote to memory of 2328	1204	EXCEL.EXE	28
PID 1204 wrote to memory of 2328	1204	EXCEL.EXE	28
PID 2328 wrote to memory of 2508	2328	hbraeiwas.exe	30
PID 2328 wrote to memory of 2508	2328	hbraeiwas.exe	30
PID 2328 wrote to memory of 2508	2328	hbraeiwas.exe	30

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012
Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\0335de8eadbbd5dc7cbe92ef869bcea6f6596ac39a38680142c982ec6e97ecde.xlam
1⤵
- Loads dropped DLL
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1204
- C:\Users\Admin\Glhvadia\hbraeiwas.exe
  C:\Users\Admin\Glhvadia\hbraeiwas.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:2328
- - C:\ProgramData\Hdlharas\dlrarhsiva.exe
    "C:\ProgramData\Hdlharas\dlrarhsiva.exe"
    3⤵
    - Executes dropped EXE
    PID:2508

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\PROGRA~3\Hdlharas\mdkhm.zip

Filesize
56KB

MD5
f0992d9b27d773b120109a5d1adec3d0

SHA1
9b1764b9e7b24fd8f4763fd33376ad9278b0bf04

SHA256
3a50f9963f2f20618c907bfe5134cf11a727d2a4808875b6cba9ecb5ce635c04

SHA512
e5368ebe377ebce87d6aa242898ae8fc9f94db0987c6bca1f669375a418e11f5d99b5f406c91e82ef0cf42bc56efbced77a58b1921b8eecf49cb4ea3d348c235

Download Submit
C:\ProgramData\Hdlharas\dlrarhsiva.exe

Filesize
9.1MB

MD5
b35ab8d47748801afa154144c2891dc4

SHA1
c2c356c1a6abd7858d9a143da35c7fadff9f8edb

SHA256
15c45d634c70f0604cfe30806320090c66a65d8f8a26303db3c9c15bf3cc950c

SHA512
a89686b0e7bb0b7ab6281a69448cc050ce3fe6a5c56ec9f5f2869106b3e2560a84554463bb9bb277d7f6da5a90a9f07f8ab5369f793fbb21dab56d868ae1ed45

Download Submit
\Users\Admin\Glhvadia\hbraeiwas.exe

Filesize
83KB

MD5
4663018621abd6313f9edb03c0737517

SHA1
a9dd4c0303b261344d469362bd80c4e366e79692

SHA256
e2200fa8b8c4757039e3f78536d9442817331f530e4348e08f02af753e7ae024

SHA512
64d44f463b2d855c17b495ec056998b6f522f5078743621322f1cb574acf2ead445b0fe0f853a420941dfae2c09f5965ea383e48af74479d9c6c5a14c44a8f55

Download Submit
memory/1204-6-0x0000000000540000-0x0000000000640000-memory.dmp

Filesize
1024KB

Download
memory/1204-19-0x0000000000540000-0x0000000000640000-memory.dmp

Filesize
1024KB

Download
memory/1204-7-0x0000000000540000-0x0000000000640000-memory.dmp

Filesize
1024KB

Download
memory/1204-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1204-5-0x0000000000540000-0x0000000000640000-memory.dmp

Filesize
1024KB

Download
memory/1204-9-0x0000000000540000-0x0000000000640000-memory.dmp

Filesize
1024KB

Download
memory/1204-10-0x0000000000540000-0x0000000000640000-memory.dmp

Filesize
1024KB

Download
memory/1204-4-0x0000000000540000-0x0000000000640000-memory.dmp

Filesize
1024KB

Download
memory/1204-56-0x0000000000540000-0x0000000000640000-memory.dmp

Filesize
1024KB

Download
memory/1204-55-0x0000000000540000-0x0000000000640000-memory.dmp

Filesize
1024KB

Download
memory/1204-54-0x000000007282D000-0x0000000072838000-memory.dmp

Filesize
44KB

Download
memory/1204-8-0x0000000000540000-0x0000000000640000-memory.dmp

Filesize
1024KB

Download
memory/1204-20-0x0000000000540000-0x0000000000640000-memory.dmp

Filesize
1024KB

Download
memory/1204-1-0x000000007282D000-0x0000000072838000-memory.dmp

Filesize
44KB

Download
memory/1204-3-0x0000000000540000-0x0000000000640000-memory.dmp

Filesize
1024KB

Download
memory/2328-25-0x0000000000C70000-0x0000000000CF0000-memory.dmp

Filesize
512KB

Download
memory/2328-53-0x000007FEF5BC0000-0x000007FEF655D000-memory.dmp

Filesize
9.6MB

Download
memory/2328-18-0x000007FEF5BC0000-0x000007FEF655D000-memory.dmp

Filesize
9.6MB

Download
memory/2328-17-0x0000000000C70000-0x0000000000CF0000-memory.dmp

Filesize
512KB

Download
memory/2328-16-0x000007FEF5BC0000-0x000007FEF655D000-memory.dmp

Filesize
9.6MB

Download
memory/2508-50-0x000007FEF5BC0000-0x000007FEF655D000-memory.dmp

Filesize
9.6MB

Download
memory/2508-51-0x00000000009C0000-0x0000000000A40000-memory.dmp

Filesize
512KB

Download
memory/2508-52-0x000007FEF5BC0000-0x000007FEF655D000-memory.dmp

Filesize
9.6MB

Download
memory/2508-57-0x000007FEF5BC0000-0x000007FEF655D000-memory.dmp

Filesize
9.6MB

Download