e27b9b450ac29718cd77475d1e2486ed458c9bcc4ff645daed0517575b446f46

Analysis

max time kernel
118s
max time network
124s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
25/12/2023, 03:29

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General

Target

0324787dd433998606be301fff016041.dll
Size

230KB
MD5

0324787dd433998606be301fff016041
SHA1

1c9a7bf60307ffd4192159da77be266684f9f927
SHA256

e27b9b450ac29718cd77475d1e2486ed458c9bcc4ff645daed0517575b446f46
SHA512

b3341f8b452de87085a58a70f1dbfc6cde385a315982198346c2cb489f510c8d32010282ba99cb21c3c8bf9cf1d1059bdb9b67257eed7ea04a70c76771974db4
SSDEEP

1536:mdEvyJnUuBWGc/GnYAN6DfD7m+xSchBSQ2Ks9mfWlivU258lwg/VGkGOwikleijy:iQyPWGcuYD7pFDkmvUEH8bwikwZ

Score

10^/10

persistence

Malware Config

Signatures

Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\vxh = "{f1b6ce7a-793e-ce83-8a4f-793e46f272d5}"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
2064	rundll32.exe
2064	rundll32.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\iku.dll	rundll32.exe
File opened for modification	C:\Windows\SysWOW64\iku.dll	rundll32.exe
File created	C:\Windows\SysWOW64\uwg.dll	rundll32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{f1b6ce7a-793e-ce83-8a4f-793e46f272d5}\InprocServer32\ThreadingModel = "Apartment"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{f1b6ce7a-793e-ce83-8a4f-793e46f272d5}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{f1b6ce7a-793e-ce83-8a4f-793e46f272d5}\	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{f1b6ce7a-793e-ce83-8a4f-793e46f272d5}\InprocServer32	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{f1b6ce7a-793e-ce83-8a4f-793e46f272d5}\InprocServer32\ = "C:\\Windows\\SysWow64\\qsc.dll"	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1080 wrote to memory of 2064	1080	rundll32.exe	19
PID 1080 wrote to memory of 2064	1080	rundll32.exe	19
PID 1080 wrote to memory of 2064	1080	rundll32.exe	19
PID 1080 wrote to memory of 2064	1080	rundll32.exe	19
PID 1080 wrote to memory of 2064	1080	rundll32.exe	19
PID 1080 wrote to memory of 2064	1080	rundll32.exe	19
PID 1080 wrote to memory of 2064	1080	rundll32.exe	19

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0324787dd433998606be301fff016041.dll,#1
1⤵
- Adds autorun key to be loaded by Explorer.exe on startup
- Loads dropped DLL
- Drops file in System32 directory
- Modifies registry class
PID:2064

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0324787dd433998606be301fff016041.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1080

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Windows\SysWOW64\iku.dll

Filesize
318KB

MD5
9fcd6a1744c4f217a9480315a461e5ea

SHA1
e08bf3962c06a8e35550de086a1cd1da99449e1b

SHA256
c2a90455993570d24504f48790f4009ac69c37395ae338130b96ff3a07e7b818

SHA512
caed893c697064e688ad3eb1725667f62179f7fc5f439ea8779d311c24d8ae721dfce8458e3a54baecd90dd103a7d93c97db7d498572b4745dfbb599317ffd2a

Download Submit
\Windows\SysWOW64\uwg.dll

Filesize
289KB

MD5
1c162682731a84ef4d3db32544da20c3

SHA1
6893bb119e8c70ee76ccbd3457d1391d1d0bc344

SHA256
4ac82da7d0c70003e246ceec802765e0053c8c1a0e26ebb48da4818d4b8fe3bb

SHA512
25114aa9f7e2d76e1fd96ef1e20cc341066b83653b55ca1e87ff0804da0599697db0e0026373bbf55cb6396b1512f4cef2791c68c6c18e845b4162ea31a555a0

Download Submit
memory/2064-0-0x0000000000150000-0x0000000000192000-memory.dmp

Filesize
264KB

Download
memory/2064-13-0x0000000076D70000-0x0000000076E10000-memory.dmp

Filesize
640KB

Download
memory/2064-12-0x0000000077630000-0x0000000077740000-memory.dmp

Filesize
1.1MB

Download
memory/2064-11-0x0000000077630000-0x0000000077740000-memory.dmp

Filesize
1.1MB

Download
memory/2064-10-0x0000000000150000-0x0000000000192000-memory.dmp

Filesize
264KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads