ramnit | 672cafdb040972a1e0827958b3afabce1576f8e0cd59f669b04863a258bb4c93

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
29-05-2024 22:33

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General

Target

672cafdb040972a1e0827958b3afabce1576f8e0cd59f669b04863a258bb4c93.dll
Size

832KB
MD5

fee29d749e9a6755526a0c517164cb16
SHA1

4232c812300820be5f637b15c68959961f316a33
SHA256

672cafdb040972a1e0827958b3afabce1576f8e0cd59f669b04863a258bb4c93
SHA512

81994cddf01f31c7b3c2ff5b73f21da66b2496a313d5774bd73919b03f410f31bf1722136e09088d8b6174eca019f6d9fd0c42e767dd9b1274e05a530b7191ac
SSDEEP

24576:TxTyK5ZRYoRwVZlCvQ3cRB7aBq3U9T3Gaw:TxRp/RwblCvQ3g7c39jw

Score

10^/10

ramnit banker 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

UPX dump on OEP (original entry point) 5 IoCs

resource	yara_rule
behavioral1/memory/2124-1-0x0000000010000000-0x00000000100D4000-memory.dmp	UPX
behavioral1/files/0x000a0000000122ec-2.dat	UPX
behavioral1/memory/1836-10-0x0000000000400000-0x00000000004BA000-memory.dmp	UPX
behavioral1/memory/1836-14-0x0000000000400000-0x00000000004BA000-memory.dmp	UPX
behavioral1/memory/1836-22-0x0000000000400000-0x00000000004BA000-memory.dmp	UPX

Executes dropped EXE 1 IoCs

pid	Process
1836	rundll32mgr.exe

Loads dropped DLL 4 IoCs

pid	Process
2124	rundll32.exe
2124	rundll32.exe
1836	rundll32mgr.exe
1836	rundll32mgr.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000a0000000122ec-2.dat	upx
behavioral1/memory/1836-10-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/1836-14-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/1836-22-0x0000000000400000-0x00000000004BA000-memory.dmp	upx

Drops file in System32 directory 1 IoCs

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

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1836	rundll32mgr.exe

Suspicious behavior: MapViewOfSection 21 IoCs

pid	Process
1836	rundll32mgr.exe
1836	rundll32mgr.exe
1836	rundll32mgr.exe
1836	rundll32mgr.exe
1836	rundll32mgr.exe
1836	rundll32mgr.exe
1836	rundll32mgr.exe
1836	rundll32mgr.exe
1836	rundll32mgr.exe
1836	rundll32mgr.exe
1836	rundll32mgr.exe
1836	rundll32mgr.exe
1836	rundll32mgr.exe
1836	rundll32mgr.exe
1836	rundll32mgr.exe
1836	rundll32mgr.exe
1836	rundll32mgr.exe
1836	rundll32mgr.exe
1836	rundll32mgr.exe
1836	rundll32mgr.exe
1836	rundll32mgr.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1836	rundll32mgr.exe
Token: SeDebugPrivilege	1836	rundll32mgr.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3052 wrote to memory of 2124	3052	rundll32.exe	28
PID 3052 wrote to memory of 2124	3052	rundll32.exe	28
PID 3052 wrote to memory of 2124	3052	rundll32.exe	28
PID 3052 wrote to memory of 2124	3052	rundll32.exe	28
PID 3052 wrote to memory of 2124	3052	rundll32.exe	28
PID 3052 wrote to memory of 2124	3052	rundll32.exe	28
PID 3052 wrote to memory of 2124	3052	rundll32.exe	28
PID 2124 wrote to memory of 1836	2124	rundll32.exe	29
PID 2124 wrote to memory of 1836	2124	rundll32.exe	29
PID 2124 wrote to memory of 1836	2124	rundll32.exe	29
PID 2124 wrote to memory of 1836	2124	rundll32.exe	29
PID 1836 wrote to memory of 384	1836	rundll32mgr.exe	3
PID 1836 wrote to memory of 384	1836	rundll32mgr.exe	3
PID 1836 wrote to memory of 384	1836	rundll32mgr.exe	3
PID 1836 wrote to memory of 384	1836	rundll32mgr.exe	3
PID 1836 wrote to memory of 384	1836	rundll32mgr.exe	3
PID 1836 wrote to memory of 384	1836	rundll32mgr.exe	3
PID 1836 wrote to memory of 384	1836	rundll32mgr.exe	3
PID 1836 wrote to memory of 392	1836	rundll32mgr.exe	4
PID 1836 wrote to memory of 392	1836	rundll32mgr.exe	4
PID 1836 wrote to memory of 392	1836	rundll32mgr.exe	4
PID 1836 wrote to memory of 392	1836	rundll32mgr.exe	4
PID 1836 wrote to memory of 392	1836	rundll32mgr.exe	4
PID 1836 wrote to memory of 392	1836	rundll32mgr.exe	4
PID 1836 wrote to memory of 392	1836	rundll32mgr.exe	4
PID 1836 wrote to memory of 424	1836	rundll32mgr.exe	5
PID 1836 wrote to memory of 424	1836	rundll32mgr.exe	5
PID 1836 wrote to memory of 424	1836	rundll32mgr.exe	5
PID 1836 wrote to memory of 424	1836	rundll32mgr.exe	5
PID 1836 wrote to memory of 424	1836	rundll32mgr.exe	5
PID 1836 wrote to memory of 424	1836	rundll32mgr.exe	5
PID 1836 wrote to memory of 424	1836	rundll32mgr.exe	5
PID 1836 wrote to memory of 476	1836	rundll32mgr.exe	6
PID 1836 wrote to memory of 476	1836	rundll32mgr.exe	6
PID 1836 wrote to memory of 476	1836	rundll32mgr.exe	6
PID 1836 wrote to memory of 476	1836	rundll32mgr.exe	6
PID 1836 wrote to memory of 476	1836	rundll32mgr.exe	6
PID 1836 wrote to memory of 476	1836	rundll32mgr.exe	6
PID 1836 wrote to memory of 476	1836	rundll32mgr.exe	6
PID 1836 wrote to memory of 492	1836	rundll32mgr.exe	7
PID 1836 wrote to memory of 492	1836	rundll32mgr.exe	7
PID 1836 wrote to memory of 492	1836	rundll32mgr.exe	7
PID 1836 wrote to memory of 492	1836	rundll32mgr.exe	7
PID 1836 wrote to memory of 492	1836	rundll32mgr.exe	7
PID 1836 wrote to memory of 492	1836	rundll32mgr.exe	7
PID 1836 wrote to memory of 492	1836	rundll32mgr.exe	7
PID 1836 wrote to memory of 500	1836	rundll32mgr.exe	8
PID 1836 wrote to memory of 500	1836	rundll32mgr.exe	8
PID 1836 wrote to memory of 500	1836	rundll32mgr.exe	8
PID 1836 wrote to memory of 500	1836	rundll32mgr.exe	8
PID 1836 wrote to memory of 500	1836	rundll32mgr.exe	8
PID 1836 wrote to memory of 500	1836	rundll32mgr.exe	8
PID 1836 wrote to memory of 500	1836	rundll32mgr.exe	8
PID 1836 wrote to memory of 592	1836	rundll32mgr.exe	9
PID 1836 wrote to memory of 592	1836	rundll32mgr.exe	9
PID 1836 wrote to memory of 592	1836	rundll32mgr.exe	9
PID 1836 wrote to memory of 592	1836	rundll32mgr.exe	9
PID 1836 wrote to memory of 592	1836	rundll32mgr.exe	9
PID 1836 wrote to memory of 592	1836	rundll32mgr.exe	9
PID 1836 wrote to memory of 592	1836	rundll32mgr.exe	9
PID 1836 wrote to memory of 676	1836	rundll32mgr.exe	10
PID 1836 wrote to memory of 676	1836	rundll32mgr.exe	10
PID 1836 wrote to memory of 676	1836	rundll32mgr.exe	10
PID 1836 wrote to memory of 676	1836	rundll32mgr.exe	10

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\wininit.exe
wininit.exe
1⤵
PID:392
- 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:1632
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k RPCSS
    3⤵
    PID:676
- - C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
    3⤵
    PID:764
- - C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
    3⤵
    PID:804
  - - C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      4⤵
      PID:1156
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs
    3⤵
    PID:844
- - 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:236
- - C:\Windows\System32\spoolsv.exe
    C:\Windows\System32\spoolsv.exe
    3⤵
    PID:108
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
    3⤵
    PID:1064
- - C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    3⤵
    PID:1096
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
    3⤵
    PID:1144
- - C:\Windows\system32\sppsvc.exe
    C:\Windows\system32\sppsvc.exe
    3⤵
    PID:2060
- 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\winlogon.exe
winlogon.exe
1⤵
PID:424

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1196
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\672cafdb040972a1e0827958b3afabce1576f8e0cd59f669b04863a258bb4c93.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3052
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\672cafdb040972a1e0827958b3afabce1576f8e0cd59f669b04863a258bb4c93.dll,#1
    3⤵
    - Loads dropped DLL
    - Drops file in System32 directory
    - Suspicious use of WriteProcessMemory
    PID:2124
  - - C:\Windows\SysWOW64\rundll32mgr.exe
      C:\Windows\SysWOW64\rundll32mgr.exe
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:1836

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\~TM2626.tmp

Filesize
1.2MB

MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

Download Submit
\Users\Admin\AppData\Local\Temp\~TM2666.tmp

Filesize
1.1MB

MD5
9b98d47916ead4f69ef51b56b0c2323c

SHA1
290a80b4ded0efc0fd00816f373fcea81a521330

SHA256
96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

SHA512
68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
514KB

MD5
bb015e33525a7ff0bb6a6f9bef84d148

SHA1
4588e9f270c950aaa37a379af0ef0602e529fc74

SHA256
2fb82ee3d618e43d133349e6ccf0d9904a0d50085915fe7519a99c1dddf4b01c

SHA512
2a8f584e3ca507433a49aa1d7b7a8cd5cf79705cc32865b5d24201812bde30173dd1dbb0dced856f0df8af81f6eb1e0d997ff7e952dde634e8b061321f6db497

Download Submit
memory/1836-13-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1836-12-0x0000000077410000-0x0000000077411000-memory.dmp

Filesize
4KB

Download
memory/1836-11-0x000000007740F000-0x0000000077410000-memory.dmp

Filesize
4KB

Download
memory/1836-14-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1836-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1836-22-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1836-21-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2124-1-0x0000000010000000-0x00000000100D4000-memory.dmp

Filesize
848KB

Download
memory/2124-9-0x0000000000300000-0x00000000003BA000-memory.dmp

Filesize
744KB

Download
memory/2124-24-0x0000000000300000-0x00000000003BA000-memory.dmp

Filesize
744KB

Download