ramnit | a441f8aa39e46ed5f8e7815a075920a4b0f0314a177dcee600bfcf00f31b81c8

Analysis

max time kernel
78s
max time network
18s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
02-01-2025 08:07

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General

Target

a441f8aa39e46ed5f8e7815a075920a4b0f0314a177dcee600bfcf00f31b81c8.dll
Size

220KB
MD5

8b43a65547a6e6dacae765c72bb8b255
SHA1

ae062d5e967c6e31799a8ee64c00ba7b76fe0ef2
SHA256

a441f8aa39e46ed5f8e7815a075920a4b0f0314a177dcee600bfcf00f31b81c8
SHA512

13a4f5a0f29c96b33e66b55171ce50df35ee999449ce4615feec561611287c9dfe9de1a4b311c3810c467f120bfd1a5cb0cfcf24a90d884fff32be35cc5f467b
SSDEEP

3072:5n2PxxtGWfQLBvBt0M1qCWzJP0ruTTBaClHpspom7ffrAmpO:hmILBf0dJ5TTBZbspom7bXc

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
2740	rundll32mgr.exe

Loads dropped DLL 2 IoCs

pid	Process
2892	rundll32.exe
2892	rundll32.exe

Drops file in System32 directory 1 IoCs

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

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000d0000000133b8-11.dat	upx
behavioral1/memory/2740-16-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral1/memory/2740-12-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral1/memory/2740-18-0x0000000000400000-0x0000000000464000-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
2740	rundll32mgr.exe
2740	rundll32mgr.exe
2740	rundll32mgr.exe

Suspicious behavior: MapViewOfSection 25 IoCs

pid	Process
2740	rundll32mgr.exe
2740	rundll32mgr.exe
2740	rundll32mgr.exe
2740	rundll32mgr.exe
2740	rundll32mgr.exe
2740	rundll32mgr.exe
2740	rundll32mgr.exe
2740	rundll32mgr.exe
2740	rundll32mgr.exe
2740	rundll32mgr.exe
2740	rundll32mgr.exe
2740	rundll32mgr.exe
2740	rundll32mgr.exe
2740	rundll32mgr.exe
2740	rundll32mgr.exe
2740	rundll32mgr.exe
2740	rundll32mgr.exe
2740	rundll32mgr.exe
2740	rundll32mgr.exe
2740	rundll32mgr.exe
2740	rundll32mgr.exe
2740	rundll32mgr.exe
2740	rundll32mgr.exe
2740	rundll32mgr.exe
2740	rundll32mgr.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2740	rundll32mgr.exe
Token: SeDebugPrivilege	2740	rundll32mgr.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2868 wrote to memory of 2892	2868	rundll32.exe	30
PID 2868 wrote to memory of 2892	2868	rundll32.exe	30
PID 2868 wrote to memory of 2892	2868	rundll32.exe	30
PID 2868 wrote to memory of 2892	2868	rundll32.exe	30
PID 2868 wrote to memory of 2892	2868	rundll32.exe	30
PID 2868 wrote to memory of 2892	2868	rundll32.exe	30
PID 2868 wrote to memory of 2892	2868	rundll32.exe	30
PID 2892 wrote to memory of 2740	2892	rundll32.exe	31
PID 2892 wrote to memory of 2740	2892	rundll32.exe	31
PID 2892 wrote to memory of 2740	2892	rundll32.exe	31
PID 2892 wrote to memory of 2740	2892	rundll32.exe	31
PID 2740 wrote to memory of 372	2740	rundll32mgr.exe	3
PID 2740 wrote to memory of 372	2740	rundll32mgr.exe	3
PID 2740 wrote to memory of 372	2740	rundll32mgr.exe	3
PID 2740 wrote to memory of 372	2740	rundll32mgr.exe	3
PID 2740 wrote to memory of 372	2740	rundll32mgr.exe	3
PID 2740 wrote to memory of 372	2740	rundll32mgr.exe	3
PID 2740 wrote to memory of 372	2740	rundll32mgr.exe	3
PID 2740 wrote to memory of 384	2740	rundll32mgr.exe	4
PID 2740 wrote to memory of 384	2740	rundll32mgr.exe	4
PID 2740 wrote to memory of 384	2740	rundll32mgr.exe	4
PID 2740 wrote to memory of 384	2740	rundll32mgr.exe	4
PID 2740 wrote to memory of 384	2740	rundll32mgr.exe	4
PID 2740 wrote to memory of 384	2740	rundll32mgr.exe	4
PID 2740 wrote to memory of 384	2740	rundll32mgr.exe	4
PID 2740 wrote to memory of 420	2740	rundll32mgr.exe	5
PID 2740 wrote to memory of 420	2740	rundll32mgr.exe	5
PID 2740 wrote to memory of 420	2740	rundll32mgr.exe	5
PID 2740 wrote to memory of 420	2740	rundll32mgr.exe	5
PID 2740 wrote to memory of 420	2740	rundll32mgr.exe	5
PID 2740 wrote to memory of 420	2740	rundll32mgr.exe	5
PID 2740 wrote to memory of 420	2740	rundll32mgr.exe	5
PID 2740 wrote to memory of 464	2740	rundll32mgr.exe	6
PID 2740 wrote to memory of 464	2740	rundll32mgr.exe	6
PID 2740 wrote to memory of 464	2740	rundll32mgr.exe	6
PID 2740 wrote to memory of 464	2740	rundll32mgr.exe	6
PID 2740 wrote to memory of 464	2740	rundll32mgr.exe	6
PID 2740 wrote to memory of 464	2740	rundll32mgr.exe	6
PID 2740 wrote to memory of 464	2740	rundll32mgr.exe	6
PID 2740 wrote to memory of 480	2740	rundll32mgr.exe	7
PID 2740 wrote to memory of 480	2740	rundll32mgr.exe	7
PID 2740 wrote to memory of 480	2740	rundll32mgr.exe	7
PID 2740 wrote to memory of 480	2740	rundll32mgr.exe	7
PID 2740 wrote to memory of 480	2740	rundll32mgr.exe	7
PID 2740 wrote to memory of 480	2740	rundll32mgr.exe	7
PID 2740 wrote to memory of 480	2740	rundll32mgr.exe	7
PID 2740 wrote to memory of 488	2740	rundll32mgr.exe	8
PID 2740 wrote to memory of 488	2740	rundll32mgr.exe	8
PID 2740 wrote to memory of 488	2740	rundll32mgr.exe	8
PID 2740 wrote to memory of 488	2740	rundll32mgr.exe	8
PID 2740 wrote to memory of 488	2740	rundll32mgr.exe	8
PID 2740 wrote to memory of 488	2740	rundll32mgr.exe	8
PID 2740 wrote to memory of 488	2740	rundll32mgr.exe	8
PID 2740 wrote to memory of 596	2740	rundll32mgr.exe	9
PID 2740 wrote to memory of 596	2740	rundll32mgr.exe	9
PID 2740 wrote to memory of 596	2740	rundll32mgr.exe	9
PID 2740 wrote to memory of 596	2740	rundll32mgr.exe	9
PID 2740 wrote to memory of 596	2740	rundll32mgr.exe	9
PID 2740 wrote to memory of 596	2740	rundll32mgr.exe	9
PID 2740 wrote to memory of 596	2740	rundll32mgr.exe	9
PID 2740 wrote to memory of 672	2740	rundll32mgr.exe	10
PID 2740 wrote to memory of 672	2740	rundll32mgr.exe	10
PID 2740 wrote to memory of 672	2740	rundll32mgr.exe	10
PID 2740 wrote to memory of 672	2740	rundll32mgr.exe	10

C:\Windows\system32\wininit.exe
wininit.exe
1⤵
PID:372
- C:\Windows\system32\services.exe
  C:\Windows\system32\services.exe
  2⤵
  PID:464
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k DcomLaunch
    3⤵
    PID:596
  - - C:\Windows\system32\wbem\wmiprvse.exe
      C:\Windows\system32\wbem\wmiprvse.exe
      4⤵
      PID:1692
  - - C:\Windows\system32\DllHost.exe
      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
      4⤵
      PID:796
- - 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:752
- - C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
    3⤵
    PID:816
  - - C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      4⤵
      PID:1308
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs
    3⤵
    PID:860
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalService
    3⤵
    PID:1000
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k NetworkService
    3⤵
    PID:300
- - C:\Windows\System32\spoolsv.exe
    C:\Windows\System32\spoolsv.exe
    3⤵
    PID:272
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
    3⤵
    PID:1040
- - C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    3⤵
    PID:1220
- - C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE
    "C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE"
    3⤵
    PID:1500
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
    3⤵
    PID:1916
- - C:\Windows\system32\sppsvc.exe
    C:\Windows\system32\sppsvc.exe
    3⤵
    PID:668
- C:\Windows\system32\lsass.exe
  C:\Windows\system32\lsass.exe
  2⤵
  PID:480
- C:\Windows\system32\lsm.exe
  C:\Windows\system32\lsm.exe
  2⤵
  PID:488

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:384

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:420

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1352
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a441f8aa39e46ed5f8e7815a075920a4b0f0314a177dcee600bfcf00f31b81c8.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2868
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\a441f8aa39e46ed5f8e7815a075920a4b0f0314a177dcee600bfcf00f31b81c8.dll,#1
    3⤵
    - Loads dropped DLL
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2892
  - - 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:2740

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/2740-14-0x0000000077DD0000-0x0000000077DD1000-memory.dmp

Filesize
4KB

Download
memory/2740-15-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2740-13-0x0000000077DCF000-0x0000000077DD0000-memory.dmp

Filesize
4KB

Download
memory/2740-16-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2740-12-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2740-17-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/2740-18-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2892-3-0x00000000753F0000-0x0000000075428000-memory.dmp

Filesize
224KB

Download
memory/2892-2-0x00000000753B0000-0x00000000753E8000-memory.dmp

Filesize
224KB

Download
memory/2892-8-0x00000000002C0000-0x0000000000324000-memory.dmp

Filesize
400KB

Download
memory/2892-1-0x00000000753F0000-0x0000000075428000-memory.dmp

Filesize
224KB

Download
memory/2892-20-0x000000007EFA0000-0x000000007EFAC000-memory.dmp

Filesize
48KB

Download