ramnit | aedf7741c1770ade830ddff75cc1ed4a80b864f63cadb83b1b08ef19267ea5ee

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26/12/2024, 01:57

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General

Target

aedf7741c1770ade830ddff75cc1ed4a80b864f63cadb83b1b08ef19267ea5ee.dll
Size

288KB
MD5

7e28649fc0e3db21619c4667baa77c2e
SHA1

670527aa4917ed5bb2ce77f1a92a1cca0cc4482f
SHA256

aedf7741c1770ade830ddff75cc1ed4a80b864f63cadb83b1b08ef19267ea5ee
SHA512

29b83ada3e009c294c64709286496aea824aa43da15b313429b8f38f8680d1dad6a0b601085284b86520135f05b62cad4fb7d9017e8ac56d1ee6ef775216b579
SSDEEP

6144:5CIGPj038tAgFMldWNX+fNErZiYqVHS9fE5M7i4y39:yj038t/FMldW4fAZiYqVHY80w39

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
4956	rundll32mgr.exe

Drops file in System32 directory 1 IoCs

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

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4956-9-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/4956-10-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/4956-12-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/4956-11-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/4956-13-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/4956-16-0x0000000000400000-0x000000000041A000-memory.dmp	upx
behavioral2/memory/4956-18-0x0000000000400000-0x000000000041A000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3268	2376	WerFault.exe	83

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-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31151929"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2275064779"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31151929"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{B33AB909-C32C-11EF-91C3-CE95CE932DF6} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "441943197"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31151929"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\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-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2275064779"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2278970711"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4956	rundll32mgr.exe
4956	rundll32mgr.exe
4956	rundll32mgr.exe
4956	rundll32mgr.exe
4956	rundll32mgr.exe
4956	rundll32mgr.exe
4956	rundll32mgr.exe
4956	rundll32mgr.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4956	rundll32mgr.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4876	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4876	iexplore.exe
4876	iexplore.exe
2000	IEXPLORE.EXE
2000	IEXPLORE.EXE
2000	IEXPLORE.EXE
2000	IEXPLORE.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
4956	rundll32mgr.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1200 wrote to memory of 2376	1200	rundll32.exe	83
PID 1200 wrote to memory of 2376	1200	rundll32.exe	83
PID 1200 wrote to memory of 2376	1200	rundll32.exe	83
PID 2376 wrote to memory of 4956	2376	rundll32.exe	84
PID 2376 wrote to memory of 4956	2376	rundll32.exe	84
PID 2376 wrote to memory of 4956	2376	rundll32.exe	84
PID 4956 wrote to memory of 4876	4956	rundll32mgr.exe	87
PID 4956 wrote to memory of 4876	4956	rundll32mgr.exe	87
PID 4876 wrote to memory of 2000	4876	iexplore.exe	89
PID 4876 wrote to memory of 2000	4876	iexplore.exe	89
PID 4876 wrote to memory of 2000	4876	iexplore.exe	89

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\aedf7741c1770ade830ddff75cc1ed4a80b864f63cadb83b1b08ef19267ea5ee.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1200
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\aedf7741c1770ade830ddff75cc1ed4a80b864f63cadb83b1b08ef19267ea5ee.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2376
- - 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:4956
  - - 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:4876
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4876 CREDAT:17410 /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:2000
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2376 -s 616
    3⤵
    - Program crash
    PID:3268

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2376 -ip 2376
1⤵
PID:2188

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
a5a7e8d6ada9ee65d6b5a4d85af072a5

SHA1
055870d3c680ed0fe101b6e67b31c4bb3a00c3c0

SHA256
e6f1256c92623527022b2a2558ddd84ddbc25201713565859fb5b3bc9483936d

SHA512
a8509c0aa62847c37d059ee7ae77027cff0bc1995ba6a7c954224c86f7808a477b26f2ef9160f1068d2ee966b6dac5f7660396644af96d9431d1ae3acfee3d7d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\XH3Z2ZON\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

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

Filesize
121KB

MD5
623d4fbb23eede885545651c25bc9b28

SHA1
290d67841d6bd8ce68ae88d8f4a3e3bdca072143

SHA256
1546eae84af97be2cfd8127c75f79b03bd18cc9f44630d3e4e87a5074c644050

SHA512
e489e9316626a645581fb5f0db8458df951643ebdb5a9e9224b3a3f4d9808efbda3a1ad260d865bd49ee385ddf46188072700e0536d3a335cacbaba998ea2f2a

Download Submit
memory/2376-1-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2376-22-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4956-13-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/4956-18-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/4956-12-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/4956-11-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/4956-9-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/4956-16-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/4956-20-0x0000000076FE2000-0x0000000076FE3000-memory.dmp

Filesize
4KB

Download
memory/4956-10-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/4956-21-0x0000000000401000-0x0000000000405000-memory.dmp

Filesize
16KB

Download
memory/4956-17-0x0000000000060000-0x0000000000061000-memory.dmp

Filesize
4KB

Download
memory/4956-8-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/4956-7-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/4956-6-0x0000000000401000-0x0000000000405000-memory.dmp

Filesize
16KB

Download
memory/4956-4-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download