ramnit | db5183f6a04f19e2faa86d8198e9408a35785792cc50d73ad6ff80b19d6b0be6

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17-12-2024 18:17

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General

Target

db5183f6a04f19e2faa86d8198e9408a35785792cc50d73ad6ff80b19d6b0be6N.dll
Size

4.7MB
MD5

dcb842ae53cff2f202901e4cb2410fe0
SHA1

3d9f9313a43402707baa50bbbbe5aa085ee03101
SHA256

db5183f6a04f19e2faa86d8198e9408a35785792cc50d73ad6ff80b19d6b0be6
SHA512

8f674b904541c42db33b801412a1c0083d7fd8f32a3b66ac6bf778bac7b96a283ec10cf541a50f7ab251c94bd5bb02d69bbc7e565de9c5e4ed679f2beabb9a15
SSDEEP

98304:9aTiZ7qe+aOKvp3QZ6/HbS9FugmTw3gvhiWaOuBuJ0Ato4z/ukD:9aTiZ7qfRmp3QZ6/+9Fu/v0AmWh

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
1952	rundll32Srv.exe

Loads dropped DLL 1 IoCs

pid	Process
2368	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\rundll32Srv.exe	rundll32.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x00080000000120ff-4.dat	upx
behavioral1/memory/1952-13-0x0000000000400000-0x0000000000435000-memory.dmp	upx
behavioral1/memory/1952-7-0x0000000000400000-0x0000000000435000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	rundll32Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	rundll32Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\pxC4A6.tmp	rundll32Srv.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	rundll32Srv.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1952	rundll32Srv.exe

Suspicious behavior: MapViewOfSection 25 IoCs

pid	Process
1952	rundll32Srv.exe
1952	rundll32Srv.exe
1952	rundll32Srv.exe
1952	rundll32Srv.exe
1952	rundll32Srv.exe
1952	rundll32Srv.exe
1952	rundll32Srv.exe
1952	rundll32Srv.exe
1952	rundll32Srv.exe
1952	rundll32Srv.exe
1952	rundll32Srv.exe
1952	rundll32Srv.exe
1952	rundll32Srv.exe
1952	rundll32Srv.exe
1952	rundll32Srv.exe
1952	rundll32Srv.exe
1952	rundll32Srv.exe
1952	rundll32Srv.exe
1952	rundll32Srv.exe
1952	rundll32Srv.exe
1952	rundll32Srv.exe
1952	rundll32Srv.exe
1952	rundll32Srv.exe
1952	rundll32Srv.exe
1952	rundll32Srv.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1952	rundll32Srv.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2348 wrote to memory of 2368	2348	rundll32.exe	30
PID 2348 wrote to memory of 2368	2348	rundll32.exe	30
PID 2348 wrote to memory of 2368	2348	rundll32.exe	30
PID 2348 wrote to memory of 2368	2348	rundll32.exe	30
PID 2348 wrote to memory of 2368	2348	rundll32.exe	30
PID 2348 wrote to memory of 2368	2348	rundll32.exe	30
PID 2348 wrote to memory of 2368	2348	rundll32.exe	30
PID 2368 wrote to memory of 1952	2368	rundll32.exe	31
PID 2368 wrote to memory of 1952	2368	rundll32.exe	31
PID 2368 wrote to memory of 1952	2368	rundll32.exe	31
PID 2368 wrote to memory of 1952	2368	rundll32.exe	31
PID 1952 wrote to memory of 380	1952	rundll32Srv.exe	3
PID 1952 wrote to memory of 380	1952	rundll32Srv.exe	3
PID 1952 wrote to memory of 380	1952	rundll32Srv.exe	3
PID 1952 wrote to memory of 380	1952	rundll32Srv.exe	3
PID 1952 wrote to memory of 380	1952	rundll32Srv.exe	3
PID 1952 wrote to memory of 380	1952	rundll32Srv.exe	3
PID 1952 wrote to memory of 380	1952	rundll32Srv.exe	3
PID 1952 wrote to memory of 396	1952	rundll32Srv.exe	4
PID 1952 wrote to memory of 396	1952	rundll32Srv.exe	4
PID 1952 wrote to memory of 396	1952	rundll32Srv.exe	4
PID 1952 wrote to memory of 396	1952	rundll32Srv.exe	4
PID 1952 wrote to memory of 396	1952	rundll32Srv.exe	4
PID 1952 wrote to memory of 396	1952	rundll32Srv.exe	4
PID 1952 wrote to memory of 396	1952	rundll32Srv.exe	4
PID 1952 wrote to memory of 432	1952	rundll32Srv.exe	5
PID 1952 wrote to memory of 432	1952	rundll32Srv.exe	5
PID 1952 wrote to memory of 432	1952	rundll32Srv.exe	5
PID 1952 wrote to memory of 432	1952	rundll32Srv.exe	5
PID 1952 wrote to memory of 432	1952	rundll32Srv.exe	5
PID 1952 wrote to memory of 432	1952	rundll32Srv.exe	5
PID 1952 wrote to memory of 432	1952	rundll32Srv.exe	5
PID 1952 wrote to memory of 476	1952	rundll32Srv.exe	6
PID 1952 wrote to memory of 476	1952	rundll32Srv.exe	6
PID 1952 wrote to memory of 476	1952	rundll32Srv.exe	6
PID 1952 wrote to memory of 476	1952	rundll32Srv.exe	6
PID 1952 wrote to memory of 476	1952	rundll32Srv.exe	6
PID 1952 wrote to memory of 476	1952	rundll32Srv.exe	6
PID 1952 wrote to memory of 476	1952	rundll32Srv.exe	6
PID 1952 wrote to memory of 492	1952	rundll32Srv.exe	7
PID 1952 wrote to memory of 492	1952	rundll32Srv.exe	7
PID 1952 wrote to memory of 492	1952	rundll32Srv.exe	7
PID 1952 wrote to memory of 492	1952	rundll32Srv.exe	7
PID 1952 wrote to memory of 492	1952	rundll32Srv.exe	7
PID 1952 wrote to memory of 492	1952	rundll32Srv.exe	7
PID 1952 wrote to memory of 492	1952	rundll32Srv.exe	7
PID 1952 wrote to memory of 500	1952	rundll32Srv.exe	8
PID 1952 wrote to memory of 500	1952	rundll32Srv.exe	8
PID 1952 wrote to memory of 500	1952	rundll32Srv.exe	8
PID 1952 wrote to memory of 500	1952	rundll32Srv.exe	8
PID 1952 wrote to memory of 500	1952	rundll32Srv.exe	8
PID 1952 wrote to memory of 500	1952	rundll32Srv.exe	8
PID 1952 wrote to memory of 500	1952	rundll32Srv.exe	8
PID 1952 wrote to memory of 604	1952	rundll32Srv.exe	9
PID 1952 wrote to memory of 604	1952	rundll32Srv.exe	9
PID 1952 wrote to memory of 604	1952	rundll32Srv.exe	9
PID 1952 wrote to memory of 604	1952	rundll32Srv.exe	9
PID 1952 wrote to memory of 604	1952	rundll32Srv.exe	9
PID 1952 wrote to memory of 604	1952	rundll32Srv.exe	9
PID 1952 wrote to memory of 604	1952	rundll32Srv.exe	9
PID 1952 wrote to memory of 684	1952	rundll32Srv.exe	10
PID 1952 wrote to memory of 684	1952	rundll32Srv.exe	10
PID 1952 wrote to memory of 684	1952	rundll32Srv.exe	10
PID 1952 wrote to memory of 684	1952	rundll32Srv.exe	10

C:\Windows\system32\wininit.exe
wininit.exe
1⤵
PID:380
- 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:604
  - - C:\Windows\system32\DllHost.exe
      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
      4⤵
      PID:1328
  - - C:\Windows\system32\wbem\wmiprvse.exe
      C:\Windows\system32\wbem\wmiprvse.exe
      4⤵
      PID:548
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k RPCSS
    3⤵
    PID:684
- - C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
    3⤵
    PID:768
- - C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
    3⤵
    PID:828
  - - C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      4⤵
      PID:1180
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs
    3⤵
    PID:856
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalService
    3⤵
    PID:976
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k NetworkService
    3⤵
    PID:280
- - C:\Windows\System32\spoolsv.exe
    C:\Windows\System32\spoolsv.exe
    3⤵
    PID:292
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
    3⤵
    PID:1076
- - C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    3⤵
    PID:1116
- - C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE
    "C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE"
    3⤵
    PID:1636
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
    3⤵
    PID:1720
- - C:\Windows\system32\sppsvc.exe
    C:\Windows\system32\sppsvc.exe
    3⤵
    PID:1064
- 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:1256
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\db5183f6a04f19e2faa86d8198e9408a35785792cc50d73ad6ff80b19d6b0be6N.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2348
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\db5183f6a04f19e2faa86d8198e9408a35785792cc50d73ad6ff80b19d6b0be6N.dll,#1
    3⤵
    - Loads dropped DLL
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2368
  - - C:\Windows\SysWOW64\rundll32Srv.exe
      C:\Windows\SysWOW64\rundll32Srv.exe
      4⤵
      Executes dropped EXE
      Drops file in Program Files directory
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:1952

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\rundll32Srv.exe

Filesize
84KB

MD5
15c4d91b9254aa6a5d9cdf15a8c5fad1

SHA1
b07290b367a128f452edad6de8de5e2acc9157b4

SHA256
b169c634039baad537f3bed807d571efb6c5d3bed0088effa06fbdaa4bd362c8

SHA512
007ac72c67af1ffa3d0e829dea45ae4a70ea3f537f281ec3f1add4253c3fa4b9e854887073b6c0dfed7cc7e058e3210a3cd9d259a5b1cd053dc0b64e6a5ae7ed

Download Submit
memory/1952-14-0x0000000000240000-0x000000000024F000-memory.dmp

Filesize
60KB

Download
memory/1952-13-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/1952-7-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/1952-9-0x000000007782F000-0x0000000077830000-memory.dmp

Filesize
4KB

Download
memory/1952-8-0x0000000077830000-0x0000000077831000-memory.dmp

Filesize
4KB

Download
memory/2368-6-0x0000000006000000-0x00000000064C7000-memory.dmp

Filesize
4.8MB

Download
memory/2368-5-0x0000000006000000-0x00000000064C7000-memory.dmp

Filesize
4.8MB

Download
memory/2368-10-0x00000000002B0000-0x00000000002E5000-memory.dmp

Filesize
212KB

Download
memory/2368-16-0x000000007EFA0000-0x000000007EFAC000-memory.dmp

Filesize
48KB

Download