ramnit | 8d00bed40b10a680562c04cde88ad58f17b4b89bbbcc0ac9c8da40a5f759c843

Analysis

max time kernel
93s
max time network
112s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07-11-2024 11:36

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General

Target

8d00bed40b10a680562c04cde88ad58f17b4b89bbbcc0ac9c8da40a5f759c843N.dll
Size

742KB
MD5

ebb4f4c26ea1992c3ed9b6c3fbfb2560
SHA1

3ceae30d41cbcdb11069a68df674ca696cd4dc5e
SHA256

8d00bed40b10a680562c04cde88ad58f17b4b89bbbcc0ac9c8da40a5f759c843
SHA512

11d3f18c6986c09728936bd27c266324b5ccb812ae0711460126cf4ec12b0f3f8e035e105e0e81133f0c13906a8fc00b8440016d2e668d4dbe2ebb5a014a183d
SSDEEP

12288:Azb9rMfc+CKUQyUmjtc4euuzPrs9pGp8hunWoopooK9kwPmwf0rbyZ:Azb1MlCKUQyUmjtczu6Prs9pgWoopooE

Score

10^/10

ramnit banker discovery spyware stealer trojan upx worm

Malware Config

Signatures

Ramnit
Ramnit is a versatile family that holds viruses, worms, and Trojans.
trojan spyware stealer worm banker ramnit
Ramnit family
ramnit

Executes dropped EXE 1 IoCs

pid	Process
232	rundll32mgr.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\rundll32mgr.exe	rundll32.exe

UPX packed file 8 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/232-7-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/232-11-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/232-14-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/232-16-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/232-19-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/232-13-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/232-8-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/232-10-0x0000000000400000-0x000000000041A000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32mgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE

Modifies Internet Explorer settings 1 TTPs 30 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "437744387"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{9589A9DD-9CFC-11EF-A7EA-CAF61997B0B0} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1777077814"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\""	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1777077814"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31142153"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31142153"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31142153"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1781296642"	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
232	rundll32mgr.exe
232	rundll32mgr.exe
232	rundll32mgr.exe
232	rundll32mgr.exe
232	rundll32mgr.exe
232	rundll32mgr.exe
232	rundll32mgr.exe
232	rundll32mgr.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	232	rundll32mgr.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1368	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1368	iexplore.exe
1368	iexplore.exe
2892	IEXPLORE.EXE
2892	IEXPLORE.EXE
2892	IEXPLORE.EXE
2892	IEXPLORE.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
232	rundll32mgr.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 412 wrote to memory of 1604	412	rundll32.exe	83
PID 412 wrote to memory of 1604	412	rundll32.exe	83
PID 412 wrote to memory of 1604	412	rundll32.exe	83
PID 1604 wrote to memory of 232	1604	rundll32.exe	84
PID 1604 wrote to memory of 232	1604	rundll32.exe	84
PID 1604 wrote to memory of 232	1604	rundll32.exe	84
PID 232 wrote to memory of 1368	232	rundll32mgr.exe	86
PID 232 wrote to memory of 1368	232	rundll32mgr.exe	86
PID 1368 wrote to memory of 2892	1368	iexplore.exe	87
PID 1368 wrote to memory of 2892	1368	iexplore.exe	87
PID 1368 wrote to memory of 2892	1368	iexplore.exe	87

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8d00bed40b10a680562c04cde88ad58f17b4b89bbbcc0ac9c8da40a5f759c843N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:412
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8d00bed40b10a680562c04cde88ad58f17b4b89bbbcc0ac9c8da40a5f759c843N.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1604
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of UnmapMainImage
    - Suspicious use of WriteProcessMemory
    PID:232
  - - C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe"
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of FindShellTrayWindow
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:1368
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1368 CREDAT:17410 /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:2892

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
471B

MD5
526c40c41732e5b3d962f781fbbae134

SHA1
baa42198e292fdb90b0e2b290da206b650ae8bd5

SHA256
f4a1f2b28c9eeac4af29803c6803961aab329ca1753a70ad157618c299b7ea48

SHA512
d2a161bdedc2354dea4ffc62d62d0a6625c2ff93d2254cf038badeb0c2f9da5b5afaa5be0e647c8342d2b0976018f3570ee0aeb0a7f158d4562fa9c9024a07c0

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
404B

MD5
bf87a0a5feb810328f735060c99b2c2c

SHA1
be431a84435c960c476f56d3fc07dc6b63de70bc

SHA256
b6c22c2e8ee5c1cb7451d13de2aa56e21fc094b0def4ee6eb34dc6df75ad92c3

SHA512
bb214a16f8d94e1f9d18d98aa5eec5849279c9b61cba07c86938da1770ac118746a00857073a659dea557bedd6e5a50163874fd2356a7dc096828bfff14523f1

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\VKYZDMA5\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Windows\SysWOW64\rundll32mgr.exe

Filesize
84KB

MD5
2b8bb9f077a564234e057b9c715f9a5b

SHA1
55abc544d7c7cfe45649f1967ade8d1c10fba2cb

SHA256
f34b80a1632165c7bc83b8301255c5b4000d54863df05de92388481fa5e03224

SHA512
7049cf1cb8f19053ec61724d9b72d18ee1898887e92c9a19d54a686c4908cc9b67595294e1adabf18f760516656dcd6a278a1c5950584a778c7ee5c984d2ebf9

Download Submit
memory/232-20-0x00000000776F2000-0x00000000776F3000-memory.dmp

Filesize
4KB

Download
memory/232-9-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/232-14-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/232-18-0x00000000776F2000-0x00000000776F3000-memory.dmp

Filesize
4KB

Download
memory/232-17-0x0000000000060000-0x0000000000061000-memory.dmp

Filesize
4KB

Download
memory/232-16-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/232-5-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/232-19-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/232-13-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/232-11-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/232-8-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/232-12-0x00000000006A0000-0x00000000006A1000-memory.dmp

Filesize
4KB

Download
memory/232-10-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/232-21-0x0000000000401000-0x0000000000405000-memory.dmp

Filesize
16KB

Download
memory/232-6-0x0000000000401000-0x0000000000405000-memory.dmp

Filesize
16KB

Download
memory/232-7-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/1604-0-0x0000000005000000-0x00000000050BF000-memory.dmp

Filesize
764KB

Download