hxxp://77[.]105[.]146[.]74/cc[.]exe

Analysis

max time kernel
135s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
15/06/2023, 09:09

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General

Target

http://77.105.146.74/cc.exe

Score

10^/10

collection

Malware Config

Signatures

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 3496 created 3200	3496	cc.exe	40

Downloads MZ/PE file

Executes dropped EXE 1 IoCs

pid	Process
3496	cc.exe

Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	certreq.exe
Key opened	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	certreq.exe
Key opened	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	certreq.exe
Key opened	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook	certreq.exe
Key opened	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook	certreq.exe
Key opened	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook	certreq.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2952	3496	WerFault.exe	85

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	certreq.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	certreq.exe

Modifies Internet Explorer Phishing Filter 1 TTPs 2 IoCs

Modify Registry

T1112

description	ioc	Process
Set value (data)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\PhishingFilter\ClientSupported_MigrationTime = 9731bf4db045d901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Internet Explorer\PhishingFilter	iexplore.exe

Modifies Internet Explorer settings 1 TTPs 30 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (data)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000005a6ac805d325974bb9e5fb792c8f2df50000000002000000000010660000000100002000000081da65ecc8ef9e82198d8605de306c1c3ccf16ee3d422043d204926c8dcc9044000000000e8000000002000020000000703ccd7b6d87b6d2c34a4851308c7edf5b4702de0abaf53392277479ea6049f8200000000706f0d5b86fef22e98b92c844476b04a5a7380879a4ea98a8f2f24de1e72bbf4000000083e315184cfa0c0d621d10a0e787a99503820c5595b25e0a35c273bcb9c3e8e92452c47ceb4dbae6bf6d1ee7304ee6a3a6e23c2ba80fc597fa969445bab3b565	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\Main\DownloadWindowPlacement = 2c0000000000000000000000ffffffffffffffffffffffffffffffff100100003c000000900300001c020000	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000005a6ac805d325974bb9e5fb792c8f2df500000000020000000000106600000001000020000000927aa5301e570deccf9edc7e088e4c8e09ddbbac30389dd9560d28c28d486008000000000e80000000020000200000002423cac46132f209e1e8f487f168c2844ab4ac27416d7ef9f99cab76252ae5f920000000acbce82c88c216ba5e419b02acccfafca787a6698189d6470478e66490a8db5e4000000017e959e9a0ffcd079526331281df3f0b82552a74f082dcbf3166ad13ff0bc910e716752ac4766580dc26c1a3d5f80f5fd677c6ecd0dbd36d6374982939ba312a	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{500D2CB8-0B5C-11EE-BDA1-E2BD7878EA51} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31039337"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\MINIE\TabBandWidth = "500"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "618241914"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Internet Explorer\MINIE	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = c09e8429699fd901	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "618241914"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Internet Explorer\RepId	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\RepId\PublicId = "{86EB572F-656B-4C52-A95F-07C5914CDB87}"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31039337"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 00ef6729699fd901	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3496	cc.exe
3496	cc.exe
3496	cc.exe
3496	cc.exe
2216	certreq.exe
2216	certreq.exe
2216	certreq.exe
2216	certreq.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2184	iexplore.exe
2184	iexplore.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2184	iexplore.exe
2184	iexplore.exe
1364	IEXPLORE.EXE
1364	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2184 wrote to memory of 1364	2184	iexplore.exe	83
PID 2184 wrote to memory of 1364	2184	iexplore.exe	83
PID 2184 wrote to memory of 1364	2184	iexplore.exe	83
PID 2184 wrote to memory of 3496	2184	iexplore.exe	85
PID 2184 wrote to memory of 3496	2184	iexplore.exe	85
PID 2184 wrote to memory of 3496	2184	iexplore.exe	85
PID 3496 wrote to memory of 2216	3496	cc.exe	91
PID 3496 wrote to memory of 2216	3496	cc.exe	91
PID 3496 wrote to memory of 2216	3496	cc.exe	91
PID 3496 wrote to memory of 2216	3496	cc.exe	91

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

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	certreq.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	certreq.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3200
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe" http://77.105.146.74/cc.exe
  2⤵
  - Modifies Internet Explorer Phishing Filter
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2184
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2184 CREDAT:17410 /prefetch:2
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:1364
- - C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\K941J8ND\cc.exe
    "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\K941J8ND\cc.exe"
    3⤵
    - Suspicious use of NtCreateUserProcessOtherParentProcess
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:3496
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3496 -s 972
      4⤵
      Program crash
      PID:2952
- C:\Windows\system32\certreq.exe
  "C:\Windows\system32\certreq.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - outlook_office_path
  - outlook_win_path
  PID:2216

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 3496 -ip 3496
1⤵
PID:4776

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0BMP3ERH\cc[1].exe

Filesize
422KB

MD5
0799c0591bf96a12fccb55454110f365

SHA1
1f501f4f3e84827ddc78d16dfa17e07e1aabf1a7

SHA256
5e90329c9567efb357eac028e0b3612fb960198c849ac1f314182b4849e4a308

SHA512
49065e9843951acbaed1bb3f703444c69ff79fefddec8488526a4b2fd150da4bff75d3adfebe5620a6bb648a7c17f52ee5ad2fcba24f9960550cd7554749df16

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\K941J8ND\cc.exe

Filesize
422KB

MD5
0799c0591bf96a12fccb55454110f365

SHA1
1f501f4f3e84827ddc78d16dfa17e07e1aabf1a7

SHA256
5e90329c9567efb357eac028e0b3612fb960198c849ac1f314182b4849e4a308

SHA512
49065e9843951acbaed1bb3f703444c69ff79fefddec8488526a4b2fd150da4bff75d3adfebe5620a6bb648a7c17f52ee5ad2fcba24f9960550cd7554749df16

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\K941J8ND\cc.exe.mlu05kh.partial

Filesize
422KB

MD5
0799c0591bf96a12fccb55454110f365

SHA1
1f501f4f3e84827ddc78d16dfa17e07e1aabf1a7

SHA256
5e90329c9567efb357eac028e0b3612fb960198c849ac1f314182b4849e4a308

SHA512
49065e9843951acbaed1bb3f703444c69ff79fefddec8488526a4b2fd150da4bff75d3adfebe5620a6bb648a7c17f52ee5ad2fcba24f9960550cd7554749df16

Download Submit
memory/2216-178-0x00007FF4EE720000-0x00007FF4EE84D000-memory.dmp

Filesize
1.2MB

Download
memory/2216-180-0x00007FF4EE720000-0x00007FF4EE84D000-memory.dmp

Filesize
1.2MB

Download
memory/2216-185-0x00007FF4EE720000-0x00007FF4EE84D000-memory.dmp

Filesize
1.2MB

Download
memory/2216-184-0x00007FF4EE720000-0x00007FF4EE84D000-memory.dmp

Filesize
1.2MB

Download
memory/2216-148-0x0000020C164D0000-0x0000020C164D3000-memory.dmp

Filesize
12KB

Download
memory/2216-183-0x00007FF4EE720000-0x00007FF4EE84D000-memory.dmp

Filesize
1.2MB

Download
memory/2216-182-0x00007FF4EE720000-0x00007FF4EE84D000-memory.dmp

Filesize
1.2MB

Download
memory/2216-181-0x00007FF4EE720000-0x00007FF4EE84D000-memory.dmp

Filesize
1.2MB

Download
memory/2216-177-0x00007FF4EE720000-0x00007FF4EE84D000-memory.dmp

Filesize
1.2MB

Download
memory/2216-172-0x0000020C164D0000-0x0000020C164D3000-memory.dmp

Filesize
12KB

Download
memory/2216-173-0x0000020C16640000-0x0000020C16647000-memory.dmp

Filesize
28KB

Download
memory/2216-174-0x00007FF4EE720000-0x00007FF4EE84D000-memory.dmp

Filesize
1.2MB

Download
memory/2216-175-0x00007FF4EE720000-0x00007FF4EE84D000-memory.dmp

Filesize
1.2MB

Download
memory/2216-176-0x00007FF4EE720000-0x00007FF4EE84D000-memory.dmp

Filesize
1.2MB

Download
memory/3496-158-0x0000000000400000-0x00000000004E0000-memory.dmp

Filesize
896KB

Download
memory/3496-144-0x0000000002130000-0x00000000021A1000-memory.dmp

Filesize
452KB

Download
memory/3496-145-0x0000000000660000-0x0000000000667000-memory.dmp

Filesize
28KB

Download
memory/3496-156-0x00000000030B0000-0x00000000030E6000-memory.dmp

Filesize
216KB

Download
memory/3496-150-0x00000000030B0000-0x00000000030E6000-memory.dmp

Filesize
216KB

Download
memory/3496-149-0x0000000000400000-0x00000000004E0000-memory.dmp

Filesize
896KB

Download
memory/3496-147-0x0000000002280000-0x0000000002680000-memory.dmp

Filesize
4.0MB

Download
memory/3496-146-0x0000000002280000-0x0000000002680000-memory.dmp

Filesize
4.0MB

Download