ramnit | f8f0c6c33ebf70b2f5db8f27502a5a5dd4e275c926fbc32cbf836b31815473b0

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02-01-2025 11:32

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General

Target

f8f0c6c33ebf70b2f5db8f27502a5a5dd4e275c926fbc32cbf836b31815473b0.dll
Size

240KB
MD5

dfe538ec79bcd56ed0b416ba864fc5c3
SHA1

9fa0af060188b1b9a0ae07d13f46f1bc77c521a1
SHA256

f8f0c6c33ebf70b2f5db8f27502a5a5dd4e275c926fbc32cbf836b31815473b0
SHA512

50236e78b041ed10addbccf2c8a31fbfa559365360dca8c87b5dcb8380f2bfff6098ff88070d1a47347b5d7f66d643807704c38bd1450bb6af0bbe761286732f
SSDEEP

3072:cn2PxxtUZZ0u3QLBvBt0M1qCWzJP0ruTTBaClHpspom7ffrAmpns:EXZZ/gLBf0dJ5TTBZbspom7bXa

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
2340	rundll32mgr.exe

Loads dropped DLL 2 IoCs

pid	Process
2084	rundll32.exe
2084	rundll32.exe

Drops file in System32 directory 1 IoCs

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

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2340-13-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral1/files/0x00080000000120f9-0.dat	upx
behavioral1/memory/2084-10-0x00000000002F0000-0x0000000000354000-memory.dmp	upx
behavioral1/memory/2340-17-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral1/memory/2340-20-0x0000000000400000-0x0000000000464000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 1 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

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2340	rundll32mgr.exe
2340	rundll32mgr.exe
2340	rundll32mgr.exe

Suspicious behavior: MapViewOfSection 25 IoCs

pid	Process
2340	rundll32mgr.exe
2340	rundll32mgr.exe
2340	rundll32mgr.exe
2340	rundll32mgr.exe
2340	rundll32mgr.exe
2340	rundll32mgr.exe
2340	rundll32mgr.exe
2340	rundll32mgr.exe
2340	rundll32mgr.exe
2340	rundll32mgr.exe
2340	rundll32mgr.exe
2340	rundll32mgr.exe
2340	rundll32mgr.exe
2340	rundll32mgr.exe
2340	rundll32mgr.exe
2340	rundll32mgr.exe
2340	rundll32mgr.exe
2340	rundll32mgr.exe
2340	rundll32mgr.exe
2340	rundll32mgr.exe
2340	rundll32mgr.exe
2340	rundll32mgr.exe
2340	rundll32mgr.exe
2340	rundll32mgr.exe
2340	rundll32mgr.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2340	rundll32mgr.exe
Token: SeDebugPrivilege	2340	rundll32mgr.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1696 wrote to memory of 2084	1696	rundll32.exe	30
PID 1696 wrote to memory of 2084	1696	rundll32.exe	30
PID 1696 wrote to memory of 2084	1696	rundll32.exe	30
PID 1696 wrote to memory of 2084	1696	rundll32.exe	30
PID 1696 wrote to memory of 2084	1696	rundll32.exe	30
PID 1696 wrote to memory of 2084	1696	rundll32.exe	30
PID 1696 wrote to memory of 2084	1696	rundll32.exe	30
PID 2084 wrote to memory of 2340	2084	rundll32.exe	31
PID 2084 wrote to memory of 2340	2084	rundll32.exe	31
PID 2084 wrote to memory of 2340	2084	rundll32.exe	31
PID 2084 wrote to memory of 2340	2084	rundll32.exe	31
PID 2340 wrote to memory of 384	2340	rundll32mgr.exe	3
PID 2340 wrote to memory of 384	2340	rundll32mgr.exe	3
PID 2340 wrote to memory of 384	2340	rundll32mgr.exe	3
PID 2340 wrote to memory of 384	2340	rundll32mgr.exe	3
PID 2340 wrote to memory of 384	2340	rundll32mgr.exe	3
PID 2340 wrote to memory of 384	2340	rundll32mgr.exe	3
PID 2340 wrote to memory of 384	2340	rundll32mgr.exe	3
PID 2340 wrote to memory of 396	2340	rundll32mgr.exe	4
PID 2340 wrote to memory of 396	2340	rundll32mgr.exe	4
PID 2340 wrote to memory of 396	2340	rundll32mgr.exe	4
PID 2340 wrote to memory of 396	2340	rundll32mgr.exe	4
PID 2340 wrote to memory of 396	2340	rundll32mgr.exe	4
PID 2340 wrote to memory of 396	2340	rundll32mgr.exe	4
PID 2340 wrote to memory of 396	2340	rundll32mgr.exe	4
PID 2340 wrote to memory of 432	2340	rundll32mgr.exe	5
PID 2340 wrote to memory of 432	2340	rundll32mgr.exe	5
PID 2340 wrote to memory of 432	2340	rundll32mgr.exe	5
PID 2340 wrote to memory of 432	2340	rundll32mgr.exe	5
PID 2340 wrote to memory of 432	2340	rundll32mgr.exe	5
PID 2340 wrote to memory of 432	2340	rundll32mgr.exe	5
PID 2340 wrote to memory of 432	2340	rundll32mgr.exe	5
PID 2340 wrote to memory of 476	2340	rundll32mgr.exe	6
PID 2340 wrote to memory of 476	2340	rundll32mgr.exe	6
PID 2340 wrote to memory of 476	2340	rundll32mgr.exe	6
PID 2340 wrote to memory of 476	2340	rundll32mgr.exe	6
PID 2340 wrote to memory of 476	2340	rundll32mgr.exe	6
PID 2340 wrote to memory of 476	2340	rundll32mgr.exe	6
PID 2340 wrote to memory of 476	2340	rundll32mgr.exe	6
PID 2340 wrote to memory of 492	2340	rundll32mgr.exe	7
PID 2340 wrote to memory of 492	2340	rundll32mgr.exe	7
PID 2340 wrote to memory of 492	2340	rundll32mgr.exe	7
PID 2340 wrote to memory of 492	2340	rundll32mgr.exe	7
PID 2340 wrote to memory of 492	2340	rundll32mgr.exe	7
PID 2340 wrote to memory of 492	2340	rundll32mgr.exe	7
PID 2340 wrote to memory of 492	2340	rundll32mgr.exe	7
PID 2340 wrote to memory of 500	2340	rundll32mgr.exe	8
PID 2340 wrote to memory of 500	2340	rundll32mgr.exe	8
PID 2340 wrote to memory of 500	2340	rundll32mgr.exe	8
PID 2340 wrote to memory of 500	2340	rundll32mgr.exe	8
PID 2340 wrote to memory of 500	2340	rundll32mgr.exe	8
PID 2340 wrote to memory of 500	2340	rundll32mgr.exe	8
PID 2340 wrote to memory of 500	2340	rundll32mgr.exe	8
PID 2340 wrote to memory of 592	2340	rundll32mgr.exe	9
PID 2340 wrote to memory of 592	2340	rundll32mgr.exe	9
PID 2340 wrote to memory of 592	2340	rundll32mgr.exe	9
PID 2340 wrote to memory of 592	2340	rundll32mgr.exe	9
PID 2340 wrote to memory of 592	2340	rundll32mgr.exe	9
PID 2340 wrote to memory of 592	2340	rundll32mgr.exe	9
PID 2340 wrote to memory of 592	2340	rundll32mgr.exe	9
PID 2340 wrote to memory of 672	2340	rundll32mgr.exe	10
PID 2340 wrote to memory of 672	2340	rundll32mgr.exe	10
PID 2340 wrote to memory of 672	2340	rundll32mgr.exe	10
PID 2340 wrote to memory of 672	2340	rundll32mgr.exe	10

C:\Windows\system32\wininit.exe
wininit.exe
1⤵
PID:384
- C:\Windows\system32\services.exe
  C:\Windows\system32\services.exe
  2⤵
  PID:476
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k DcomLaunch
    3⤵
    PID:592
  - - C:\Windows\system32\DllHost.exe
      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
      4⤵
      PID:1440
  - - C:\Windows\system32\wbem\wmiprvse.exe
      C:\Windows\system32\wbem\wmiprvse.exe
      4⤵
      PID:756
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k RPCSS
    3⤵
    PID:672
- - C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
    3⤵
    PID:744
- - C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
    3⤵
    PID:812
  - - C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      4⤵
      PID:1160
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs
    3⤵
    PID:848
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalService
    3⤵
    PID:964
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k NetworkService
    3⤵
    PID:108
- - C:\Windows\System32\spoolsv.exe
    C:\Windows\System32\spoolsv.exe
    3⤵
    PID:1020
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
    3⤵
    PID:1060
- - C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    3⤵
    PID:1100
- - C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE
    "C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE"
    3⤵
    PID:1712
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
    3⤵
    PID:1964
- - C:\Windows\system32\sppsvc.exe
    C:\Windows\system32\sppsvc.exe
    3⤵
    PID:772
- C:\Windows\system32\lsass.exe
  C:\Windows\system32\lsass.exe
  2⤵
  PID:492
- C:\Windows\system32\lsm.exe
  C:\Windows\system32\lsm.exe
  2⤵
  PID:500

C:\Windows\system32\csrss.exe
%SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=16
1⤵
PID:396

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:432

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1188
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f8f0c6c33ebf70b2f5db8f27502a5a5dd4e275c926fbc32cbf836b31815473b0.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1696
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\f8f0c6c33ebf70b2f5db8f27502a5a5dd4e275c926fbc32cbf836b31815473b0.dll,#1
    3⤵
    - Loads dropped DLL
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2084
  - - C:\Windows\SysWOW64\rundll32mgr.exe
      C:\Windows\SysWOW64\rundll32mgr.exe
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:2340

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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:\Windows\SysWOW64\rundll32mgr.exe

Filesize
159KB

MD5
8703c6aeb2e62da71e50db9698d91e35

SHA1
cafceda794c5b1976b46a5d39949137aba8dc9e6

SHA256
c3a332de99e2b195bbb3e5927f8ee4217f968bc373f8c499db45db0b3388d47d

SHA512
48e45868929fcacfa06c5078de2e54d32cfab80e5dd00036b37f3d55b33269f0ee82f46b68e7a6adc2ec9aecad8672393a77602c1b995133876c2c4e6d15229a

Download Submit
memory/2084-10-0x00000000002F0000-0x0000000000354000-memory.dmp

Filesize
400KB

Download
memory/2084-2-0x0000000075080000-0x00000000750BD000-memory.dmp

Filesize
244KB

Download
memory/2084-1-0x00000000750C0000-0x00000000750FD000-memory.dmp

Filesize
244KB

Download
memory/2084-3-0x00000000750C0000-0x00000000750FD000-memory.dmp

Filesize
244KB

Download
memory/2084-11-0x00000000002F0000-0x0000000000354000-memory.dmp

Filesize
400KB

Download
memory/2084-21-0x000000007EFA0000-0x000000007EFAC000-memory.dmp

Filesize
48KB

Download
memory/2340-13-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2340-16-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2340-15-0x0000000077AA0000-0x0000000077AA1000-memory.dmp

Filesize
4KB

Download
memory/2340-14-0x0000000077A9F000-0x0000000077AA0000-memory.dmp

Filesize
4KB

Download
memory/2340-18-0x00000000002C0000-0x00000000002C1000-memory.dmp

Filesize
4KB

Download
memory/2340-17-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2340-20-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download