ramnit | b5f6c555f096539bc635d211d34c7563272b6c99cbab6f1047618469ce0bad47

Analysis

max time kernel
103s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02-01-2025 00:05

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General

Target

b5f6c555f096539bc635d211d34c7563272b6c99cbab6f1047618469ce0bad47.dll
Size

384KB
MD5

b0aee4968e280575159c2a143b255e24
SHA1

1eb31083a5bc971610cffc5f174afa36e512e8f2
SHA256

b5f6c555f096539bc635d211d34c7563272b6c99cbab6f1047618469ce0bad47
SHA512

5638dae67356ffc33801a1f29635d40c55a27bf494773385505abf44694d0790482804094e423b147009b40278e300362544bd95b52a48f8960cb8700fd99035
SSDEEP

6144:b4HAARhdwUeKPQrs3nz33Eov9XDJgNAfqqR+:b4gARhdfe/2nz33Evys

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
796	rundll32.exe
796	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/0x000b000000012263-8.dat	upx
behavioral1/memory/2340-10-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral1/memory/2340-14-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral1/memory/2340-18-0x0000000000400000-0x0000000000464000-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
2340	rundll32mgr.exe
2340	rundll32mgr.exe
2340	rundll32mgr.exe

Suspicious behavior: MapViewOfSection 27 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
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 2112 wrote to memory of 796	2112	rundll32.exe	31
PID 2112 wrote to memory of 796	2112	rundll32.exe	31
PID 2112 wrote to memory of 796	2112	rundll32.exe	31
PID 2112 wrote to memory of 796	2112	rundll32.exe	31
PID 2112 wrote to memory of 796	2112	rundll32.exe	31
PID 2112 wrote to memory of 796	2112	rundll32.exe	31
PID 2112 wrote to memory of 796	2112	rundll32.exe	31
PID 796 wrote to memory of 2340	796	rundll32.exe	32
PID 796 wrote to memory of 2340	796	rundll32.exe	32
PID 796 wrote to memory of 2340	796	rundll32.exe	32
PID 796 wrote to memory of 2340	796	rundll32.exe	32
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 392	2340	rundll32mgr.exe	4
PID 2340 wrote to memory of 392	2340	rundll32mgr.exe	4
PID 2340 wrote to memory of 392	2340	rundll32mgr.exe	4
PID 2340 wrote to memory of 392	2340	rundll32mgr.exe	4
PID 2340 wrote to memory of 392	2340	rundll32mgr.exe	4
PID 2340 wrote to memory of 392	2340	rundll32mgr.exe	4
PID 2340 wrote to memory of 392	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 600	2340	rundll32mgr.exe	9
PID 2340 wrote to memory of 600	2340	rundll32mgr.exe	9
PID 2340 wrote to memory of 600	2340	rundll32mgr.exe	9
PID 2340 wrote to memory of 600	2340	rundll32mgr.exe	9
PID 2340 wrote to memory of 600	2340	rundll32mgr.exe	9
PID 2340 wrote to memory of 600	2340	rundll32mgr.exe	9
PID 2340 wrote to memory of 600	2340	rundll32mgr.exe	9
PID 2340 wrote to memory of 680	2340	rundll32mgr.exe	10
PID 2340 wrote to memory of 680	2340	rundll32mgr.exe	10
PID 2340 wrote to memory of 680	2340	rundll32mgr.exe	10
PID 2340 wrote to memory of 680	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:600
  - - C:\Windows\system32\DllHost.exe
      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
      4⤵
      PID:1428
  - - C:\Windows\system32\wbem\wmiprvse.exe
      C:\Windows\system32\wbem\wmiprvse.exe
      4⤵
      PID:760
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k RPCSS
    3⤵
    PID:680
- - 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:812
  - - C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      4⤵
      PID:1184
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs
    3⤵
    PID:836
  - - \\?\C:\Windows\system32\wbem\WMIADAP.EXE
      wmiadap.exe /F /T /R
      4⤵
      PID:1900
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalService
    3⤵
    PID:960
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k NetworkService
    3⤵
    PID:276
- - C:\Windows\System32\spoolsv.exe
    C:\Windows\System32\spoolsv.exe
    3⤵
    PID:112
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
    3⤵
    PID:1048
- - C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    3⤵
    PID:1112
- - C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE
    "C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE"
    3⤵
    PID:1788
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
    3⤵
    PID:2452
- - C:\Windows\system32\sppsvc.exe
    C:\Windows\system32\sppsvc.exe
    3⤵
    PID:2428
- 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:392

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1248
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b5f6c555f096539bc635d211d34c7563272b6c99cbab6f1047618469ce0bad47.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2112
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\b5f6c555f096539bc635d211d34c7563272b6c99cbab6f1047618469ce0bad47.dll,#1
    3⤵
    - Loads dropped DLL
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:796
  - - 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

C:\Users\Admin\AppData\Local\Temp\164256280\zmstage.exe
C:\Users\Admin\AppData\Local\Temp\164256280\zmstage.exe
1⤵
PID:2104

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/796-7-0x0000000010000000-0x0000000010060000-memory.dmp

Filesize
384KB

Download
memory/796-9-0x0000000000410000-0x0000000000474000-memory.dmp

Filesize
400KB

Download
memory/796-19-0x000000007EFA0000-0x000000007EFAC000-memory.dmp

Filesize
48KB

Download
memory/2340-10-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2340-16-0x000000007772F000-0x0000000077730000-memory.dmp

Filesize
4KB

Download
memory/2340-15-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/2340-14-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2340-13-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2340-18-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2340-12-0x0000000077730000-0x0000000077731000-memory.dmp

Filesize
4KB

Download
memory/2340-11-0x000000007772F000-0x0000000077730000-memory.dmp

Filesize
4KB

Download