ramnit | 7667d41eee3d208899838a0bd86c4e11b78829fd6f175a59126fa4f740b4ec3b

Analysis

max time kernel
94s
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
19-12-2024 09:33

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General

Target

7667d41eee3d208899838a0bd86c4e11b78829fd6f175a59126fa4f740b4ec3b.dll
Size

289KB
MD5

390097bf54414e0bd831d07ada42feee
SHA1

1a04dce013331d615748f43ede9db01f850acd68
SHA256

7667d41eee3d208899838a0bd86c4e11b78829fd6f175a59126fa4f740b4ec3b
SHA512

a5bd69b0b062b22504002329c4554903646b46cb4a2b11998b18bfa14974925f722bf676bf10c9ed2e0ca5aeaa4bda99ac52b179aea17f97073c0359569eeb74
SSDEEP

6144:PCIGPj038tAgFMldWNX+DubRkLZ2+KcAfv5CSkSL:Uj038t/FMldW4DTZ2+KccC9SL

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
2284	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/2284-7-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/2284-8-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/2284-6-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/2284-9-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/2284-11-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/2284-14-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/2284-12-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/2284-15-0x0000000000400000-0x000000000041A000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3544	4728	WerFault.exe	82

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-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31150585"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "441365774"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31150585"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31150585"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "495601831"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "495601831"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31150585"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{485AD996-BDEC-11EF-ADF2-CE95CE932DF6} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "489664661"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "489664661"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2284	rundll32mgr.exe
2284	rundll32mgr.exe
2284	rundll32mgr.exe
2284	rundll32mgr.exe
2284	rundll32mgr.exe
2284	rundll32mgr.exe
2284	rundll32mgr.exe
2284	rundll32mgr.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2284	rundll32mgr.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1512	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1512	iexplore.exe
1512	iexplore.exe
4328	IEXPLORE.EXE
4328	IEXPLORE.EXE
4328	IEXPLORE.EXE
4328	IEXPLORE.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
2284	rundll32mgr.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2792 wrote to memory of 4728	2792	rundll32.exe	82
PID 2792 wrote to memory of 4728	2792	rundll32.exe	82
PID 2792 wrote to memory of 4728	2792	rundll32.exe	82
PID 4728 wrote to memory of 2284	4728	rundll32.exe	83
PID 4728 wrote to memory of 2284	4728	rundll32.exe	83
PID 4728 wrote to memory of 2284	4728	rundll32.exe	83
PID 2284 wrote to memory of 1512	2284	rundll32mgr.exe	86
PID 2284 wrote to memory of 1512	2284	rundll32mgr.exe	86
PID 1512 wrote to memory of 4328	1512	iexplore.exe	88
PID 1512 wrote to memory of 4328	1512	iexplore.exe	88
PID 1512 wrote to memory of 4328	1512	iexplore.exe	88

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7667d41eee3d208899838a0bd86c4e11b78829fd6f175a59126fa4f740b4ec3b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2792
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\7667d41eee3d208899838a0bd86c4e11b78829fd6f175a59126fa4f740b4ec3b.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4728
- - 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:2284
  - - 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:1512
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1512 CREDAT:17410 /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:4328
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4728 -s 608
    3⤵
    - Program crash
    PID:3544

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4728 -ip 4728
1⤵
PID:2348

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
5e99ec80bb4e60401972729dff7db4f2

SHA1
a68a2f47614d8afd1b7afd1e0620d32cd393e2c0

SHA256
6ac6e0c6b415580d28c082f0e59f45289379890a167c088a557d3e2578b424e0

SHA512
7670c7e91ae9555458275effc570e107c9ae43b02e65f9200b773f9139dfe228faf55f5c4ac5d9d713d0231e16c129baf1c289534b42ac7b4d042f370240c654

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

Filesize
404B

MD5
358f098d4762bf61ae0ddac6b47abeb2

SHA1
0846216407456df278217fb503331a173cdeb4c3

SHA256
c0914a8ab103ed152bc1115538bed9bc1382e2b93e4b0a332f9e84bf9e7e7cf2

SHA512
735f6fbb6563bea81ce49aad660886c42dfc9792fe589b2902134477f395f595af1a6f1779220ab7175aee2212f06e833e8afac82e6377e4ecf8cc9db467b71a

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver14DB.tmp

Filesize
15KB

MD5
1a545d0052b581fbb2ab4c52133846bc

SHA1
62f3266a9b9925cd6d98658b92adec673cbe3dd3

SHA256
557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

SHA512
bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\PGH3GSHW\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

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

Filesize
121KB

MD5
ee77f2a82f0ada3db67768b4fb688c71

SHA1
5165e088484d73d5100a92bcfab9f6ea367407fe

SHA256
71793760f681181db3e67b9f9231b1dc67dd896b431f4b13d920d876fb8edbb9

SHA512
40e7a4dfedbbc8e936684b3bf498d2d47b05b2fe8af13f21e89dca5fac8aa1d9caa354120c4d0308295b35f9f6a9a2c2fd0eae488b33e665cb27431f3b2148f1

Download Submit
memory/2284-11-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2284-16-0x0000000000060000-0x0000000000061000-memory.dmp

Filesize
4KB

Download
memory/2284-9-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2284-5-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2284-14-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2284-12-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2284-15-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2284-10-0x00000000006C0000-0x00000000006C1000-memory.dmp

Filesize
4KB

Download
memory/2284-17-0x0000000077C52000-0x0000000077C53000-memory.dmp

Filesize
4KB

Download
memory/2284-7-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2284-6-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2284-8-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/4728-19-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4728-1-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download