ramnit | 85a56af735f134948a11fc9dd4065552e8e5e3c23e09c6d89b4ccffbb29f5976

Analysis

max time kernel
19s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01-01-2025 14:41

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General

Target

85a56af735f134948a11fc9dd4065552e8e5e3c23e09c6d89b4ccffbb29f5976.dll
Size

304KB
MD5

c8bf29e1bcdd4ec85ee09318b4568c4f
SHA1

c134445ae3d16d6729f41aab6aedae4e9888abc0
SHA256

85a56af735f134948a11fc9dd4065552e8e5e3c23e09c6d89b4ccffbb29f5976
SHA512

439e484cb9ff64f8b5fe00f409c818db0b75431e63766e6c9e61be01feac53456705ebde51b19b48854702b6abb0fe85a42cf87743018bd04e0e5fdfae75e880
SSDEEP

3072:PZmu9K33zShdJ/tqLtAPrLWoxdv8yD4wQLBvBt0M1qCWzJP0ruTTBaClHpspom7F:P8b33y4UrqMALBf0dJ5TTBZbspom7bXR

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
1044	rundll32mgr.exe

Loads dropped DLL 2 IoCs

pid	Process
2076	rundll32.exe
2076	rundll32.exe

Drops file in System32 directory 1 IoCs

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

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x0007000000012118-11.dat	upx
behavioral1/memory/1044-18-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral1/memory/1044-13-0x0000000000400000-0x0000000000464000-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
1044	rundll32mgr.exe
1044	rundll32mgr.exe
1044	rundll32mgr.exe

Suspicious behavior: MapViewOfSection 21 IoCs

pid	Process
1044	rundll32mgr.exe
1044	rundll32mgr.exe
1044	rundll32mgr.exe
1044	rundll32mgr.exe
1044	rundll32mgr.exe
1044	rundll32mgr.exe
1044	rundll32mgr.exe
1044	rundll32mgr.exe
1044	rundll32mgr.exe
1044	rundll32mgr.exe
1044	rundll32mgr.exe
1044	rundll32mgr.exe
1044	rundll32mgr.exe
1044	rundll32mgr.exe
1044	rundll32mgr.exe
1044	rundll32mgr.exe
1044	rundll32mgr.exe
1044	rundll32mgr.exe
1044	rundll32mgr.exe
1044	rundll32mgr.exe
1044	rundll32mgr.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1044	rundll32mgr.exe
Token: SeDebugPrivilege	1044	rundll32mgr.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2424 wrote to memory of 2076	2424	rundll32.exe	28
PID 2424 wrote to memory of 2076	2424	rundll32.exe	28
PID 2424 wrote to memory of 2076	2424	rundll32.exe	28
PID 2424 wrote to memory of 2076	2424	rundll32.exe	28
PID 2424 wrote to memory of 2076	2424	rundll32.exe	28
PID 2424 wrote to memory of 2076	2424	rundll32.exe	28
PID 2424 wrote to memory of 2076	2424	rundll32.exe	28
PID 2076 wrote to memory of 1044	2076	rundll32.exe	29
PID 2076 wrote to memory of 1044	2076	rundll32.exe	29
PID 2076 wrote to memory of 1044	2076	rundll32.exe	29
PID 2076 wrote to memory of 1044	2076	rundll32.exe	29
PID 1044 wrote to memory of 372	1044	rundll32mgr.exe	3
PID 1044 wrote to memory of 372	1044	rundll32mgr.exe	3
PID 1044 wrote to memory of 372	1044	rundll32mgr.exe	3
PID 1044 wrote to memory of 372	1044	rundll32mgr.exe	3
PID 1044 wrote to memory of 372	1044	rundll32mgr.exe	3
PID 1044 wrote to memory of 372	1044	rundll32mgr.exe	3
PID 1044 wrote to memory of 372	1044	rundll32mgr.exe	3
PID 1044 wrote to memory of 396	1044	rundll32mgr.exe	4
PID 1044 wrote to memory of 396	1044	rundll32mgr.exe	4
PID 1044 wrote to memory of 396	1044	rundll32mgr.exe	4
PID 1044 wrote to memory of 396	1044	rundll32mgr.exe	4
PID 1044 wrote to memory of 396	1044	rundll32mgr.exe	4
PID 1044 wrote to memory of 396	1044	rundll32mgr.exe	4
PID 1044 wrote to memory of 396	1044	rundll32mgr.exe	4
PID 1044 wrote to memory of 432	1044	rundll32mgr.exe	5
PID 1044 wrote to memory of 432	1044	rundll32mgr.exe	5
PID 1044 wrote to memory of 432	1044	rundll32mgr.exe	5
PID 1044 wrote to memory of 432	1044	rundll32mgr.exe	5
PID 1044 wrote to memory of 432	1044	rundll32mgr.exe	5
PID 1044 wrote to memory of 432	1044	rundll32mgr.exe	5
PID 1044 wrote to memory of 432	1044	rundll32mgr.exe	5
PID 1044 wrote to memory of 476	1044	rundll32mgr.exe	6
PID 1044 wrote to memory of 476	1044	rundll32mgr.exe	6
PID 1044 wrote to memory of 476	1044	rundll32mgr.exe	6
PID 1044 wrote to memory of 476	1044	rundll32mgr.exe	6
PID 1044 wrote to memory of 476	1044	rundll32mgr.exe	6
PID 1044 wrote to memory of 476	1044	rundll32mgr.exe	6
PID 1044 wrote to memory of 476	1044	rundll32mgr.exe	6
PID 1044 wrote to memory of 492	1044	rundll32mgr.exe	7
PID 1044 wrote to memory of 492	1044	rundll32mgr.exe	7
PID 1044 wrote to memory of 492	1044	rundll32mgr.exe	7
PID 1044 wrote to memory of 492	1044	rundll32mgr.exe	7
PID 1044 wrote to memory of 492	1044	rundll32mgr.exe	7
PID 1044 wrote to memory of 492	1044	rundll32mgr.exe	7
PID 1044 wrote to memory of 492	1044	rundll32mgr.exe	7
PID 1044 wrote to memory of 500	1044	rundll32mgr.exe	8
PID 1044 wrote to memory of 500	1044	rundll32mgr.exe	8
PID 1044 wrote to memory of 500	1044	rundll32mgr.exe	8
PID 1044 wrote to memory of 500	1044	rundll32mgr.exe	8
PID 1044 wrote to memory of 500	1044	rundll32mgr.exe	8
PID 1044 wrote to memory of 500	1044	rundll32mgr.exe	8
PID 1044 wrote to memory of 500	1044	rundll32mgr.exe	8
PID 1044 wrote to memory of 612	1044	rundll32mgr.exe	9
PID 1044 wrote to memory of 612	1044	rundll32mgr.exe	9
PID 1044 wrote to memory of 612	1044	rundll32mgr.exe	9
PID 1044 wrote to memory of 612	1044	rundll32mgr.exe	9
PID 1044 wrote to memory of 612	1044	rundll32mgr.exe	9
PID 1044 wrote to memory of 612	1044	rundll32mgr.exe	9
PID 1044 wrote to memory of 612	1044	rundll32mgr.exe	9
PID 1044 wrote to memory of 692	1044	rundll32mgr.exe	10
PID 1044 wrote to memory of 692	1044	rundll32mgr.exe	10
PID 1044 wrote to memory of 692	1044	rundll32mgr.exe	10
PID 1044 wrote to memory of 692	1044	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:476
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k DcomLaunch
    3⤵
    PID:612
  - - C:\Windows\system32\DllHost.exe
      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
      4⤵
      PID:1536
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k RPCSS
    3⤵
    PID:692
- - C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
    3⤵
    PID:776
- - C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
    3⤵
    PID:824
  - - C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      4⤵
      PID:1172
- - 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:272
- - C:\Windows\System32\spoolsv.exe
    C:\Windows\System32\spoolsv.exe
    3⤵
    PID:352
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
    3⤵
    PID:1068
- - C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    3⤵
    PID:1104
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
    3⤵
    PID:584
- - C:\Windows\system32\sppsvc.exe
    C:\Windows\system32\sppsvc.exe
    3⤵
    PID:1480
- 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:1196
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\85a56af735f134948a11fc9dd4065552e8e5e3c23e09c6d89b4ccffbb29f5976.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2424
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\85a56af735f134948a11fc9dd4065552e8e5e3c23e09c6d89b4ccffbb29f5976.dll,#1
    3⤵
    - Loads dropped DLL
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2076
  - - 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:1044

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/1044-18-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1044-17-0x0000000001C90000-0x0000000001C91000-memory.dmp

Filesize
4KB

Download
memory/1044-16-0x0000000077AD0000-0x0000000077AD1000-memory.dmp

Filesize
4KB

Download
memory/1044-15-0x0000000077ACF000-0x0000000077AD0000-memory.dmp

Filesize
4KB

Download
memory/1044-14-0x0000000001CD0000-0x0000000001CD1000-memory.dmp

Filesize
4KB

Download
memory/1044-13-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2076-0-0x00000000750D0000-0x000000007511E000-memory.dmp

Filesize
312KB

Download
memory/2076-4-0x0000000075080000-0x00000000750CE000-memory.dmp

Filesize
312KB

Download
memory/2076-3-0x00000000750D0000-0x000000007511E000-memory.dmp

Filesize
312KB

Download
memory/2076-1-0x0000000075080000-0x00000000750CE000-memory.dmp

Filesize
312KB

Download
memory/2076-12-0x0000000000720000-0x0000000000784000-memory.dmp

Filesize
400KB

Download