ramnit | e981b1dea44f3ea1eea08782583104e1f30cb314fa56458e208c34447cc2a250

Analysis

max time kernel
93s
max time network
111s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2024, 23:24

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General

Target

e981b1dea44f3ea1eea08782583104e1f30cb314fa56458e208c34447cc2a250.dll
Size

148KB
MD5

21138ef3b2f50d45cdbd29fe6ad1edb2
SHA1

8dd01bcd5101aefb50db7b23c0116c6e947a28ea
SHA256

e981b1dea44f3ea1eea08782583104e1f30cb314fa56458e208c34447cc2a250
SHA512

f6dc36b6ff073798933d825c388e59e8c5f596e77eddeac85e6383e1ed1cb238c82255c3b783d1b6eab71438ef6ce2ba9e61d6f4e6446a8ec9da3a2611364874
SSDEEP

3072:CBbqirto6ttM7VmKeZ88Dkj7oR2SqwKJXtf5DGyVBQwIY6X4j:+scvZNDkYR2SqwK/AyVBQ9RIj

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
2688	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/2688-8-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/2688-12-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/2688-13-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/2688-18-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/2688-17-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/2688-14-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/2688-9-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/2688-7-0x0000000000400000-0x000000000041A000-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 32 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31151908"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31151908"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31151908"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "843688090"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31151908"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\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
Set value (int)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "843218937"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "441934034"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{5DA220A0-C317-11EF-AEE2-E6FB6C85BB83} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "843218937"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "843688090"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2688	rundll32mgr.exe
2688	rundll32mgr.exe
2688	rundll32mgr.exe
2688	rundll32mgr.exe
2688	rundll32mgr.exe
2688	rundll32mgr.exe
2688	rundll32mgr.exe
2688	rundll32mgr.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2688	rundll32mgr.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4848	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4848	iexplore.exe
4848	iexplore.exe
3892	IEXPLORE.EXE
3892	IEXPLORE.EXE
3892	IEXPLORE.EXE
3892	IEXPLORE.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
2688	rundll32mgr.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3572 wrote to memory of 3088	3572	rundll32.exe	83
PID 3572 wrote to memory of 3088	3572	rundll32.exe	83
PID 3572 wrote to memory of 3088	3572	rundll32.exe	83
PID 3088 wrote to memory of 2688	3088	rundll32.exe	84
PID 3088 wrote to memory of 2688	3088	rundll32.exe	84
PID 3088 wrote to memory of 2688	3088	rundll32.exe	84
PID 2688 wrote to memory of 4848	2688	rundll32mgr.exe	85
PID 2688 wrote to memory of 4848	2688	rundll32mgr.exe	85
PID 4848 wrote to memory of 3892	4848	iexplore.exe	86
PID 4848 wrote to memory of 3892	4848	iexplore.exe	86
PID 4848 wrote to memory of 3892	4848	iexplore.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e981b1dea44f3ea1eea08782583104e1f30cb314fa56458e208c34447cc2a250.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3572
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e981b1dea44f3ea1eea08782583104e1f30cb314fa56458e208c34447cc2a250.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3088
- - 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:2688
  - - 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:4848
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4848 CREDAT:17410 /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:3892

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
73d8dd7eaa8896905e31f1960f51ece1

SHA1
164e031603e75d95091220c5ff0d695547f6d3ae

SHA256
9ff75ab638fe252bd0d04aea3f0ce38270ffc8df5db9399f9ea45aaef196dddc

SHA512
4879585482992d7ea3ee02775b74592b06daab32a63dc7700dd4da40c45a524f3bcfc2beff928a85563f09ad0438be5b3e458bc3d0cd08ad146d416fec014a04

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

Filesize
404B

MD5
d214df86edcd1cecf4987126649ce47d

SHA1
6a229ca481bb8e2c783bcff2353c6f5d114f0f2c

SHA256
1bd210731ee5d67ea7b36d7ceb66daa86042b4b25dd80b5ab825dfd73b524cc8

SHA512
5fcff80fc0d8a08d7648632e4a5ff0c062147fc9a15998d55c5ede994ee031c4029b771ae33948b4893007ef5d9cee1153eb5c9b9b9c088c8d70cbd5d27e7889

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver29F9.tmp

Filesize
15KB

MD5
1a545d0052b581fbb2ab4c52133846bc

SHA1
62f3266a9b9925cd6d98658b92adec673cbe3dd3

SHA256
557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

SHA512
bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\M6JHG9EK\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

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

Filesize
88KB

MD5
fe76e62c9c90a4bea8f2c464dc867719

SHA1
f0935e8b6c22dea5c6e9d4127f5c10363deba541

SHA256
5705c47b229c893f67741480ed5e3bce60597b2bb0dd755fb1f499a23888d7d6

SHA512
7d6d5bfb10df493ffea7132807be417b5a283d34a1cd49042390b2b927691fd53ecf8eee459c727844395f34e4230b2cd85b38b7fb7df0a3638b244d0c3f6394

Download Submit
memory/2688-18-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2688-15-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/2688-13-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2688-21-0x0000000000401000-0x0000000000405000-memory.dmp

Filesize
16KB

Download
memory/2688-19-0x00000000777A2000-0x00000000777A3000-memory.dmp

Filesize
4KB

Download
memory/2688-5-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2688-17-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2688-12-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2688-14-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2688-9-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2688-7-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2688-6-0x0000000000401000-0x0000000000405000-memory.dmp

Filesize
16KB

Download
memory/2688-8-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2688-10-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2688-11-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/3088-1-0x0000000010000000-0x0000000010026000-memory.dmp

Filesize
152KB

Download