ramnit | 7b1c275099d11fa4e914ab0dc3faedbaf15713fcb7d79c7d99710ca581d52be6

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
31-12-2024 05:46

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General

Target

JaffaCakes118_0748ba4e3da132fc06603b30014ad2f0.dll
Size

129KB
MD5

0748ba4e3da132fc06603b30014ad2f0
SHA1

57606117b0927f02644789dffe86ce872662ce00
SHA256

7b1c275099d11fa4e914ab0dc3faedbaf15713fcb7d79c7d99710ca581d52be6
SHA512

967e68328c5dc36c79452e5b587e8fb82619b1652eb445c4290d7bda76f79aebbd7a2dfd926fd27961c5d80b29e60414f61ee37d2a0e3a1d6a3bf9c47726f195
SSDEEP

3072:t/aWRGXhRqj+EFQ3KyE/bUvoijOQUuTW+K9Eu3P:t/aWAKPQmbUwQUC9K9EG

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
2220	rundll32Srv.exe

Loads dropped DLL 1 IoCs

pid	Process
1924	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/0x0007000000012116-1.dat	upx
behavioral1/memory/1924-4-0x0000000000400000-0x0000000000433000-memory.dmp	upx
behavioral1/memory/2220-14-0x0000000000400000-0x0000000000433000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px5496.tmp	rundll32Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	rundll32Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	rundll32Srv.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2744	1924	WerFault.exe	30

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
2220	rundll32Srv.exe

Suspicious behavior: MapViewOfSection 26 IoCs

pid	Process
2220	rundll32Srv.exe
2220	rundll32Srv.exe
2220	rundll32Srv.exe
2220	rundll32Srv.exe
2220	rundll32Srv.exe
2220	rundll32Srv.exe
2220	rundll32Srv.exe
2220	rundll32Srv.exe
2220	rundll32Srv.exe
2220	rundll32Srv.exe
2220	rundll32Srv.exe
2220	rundll32Srv.exe
2220	rundll32Srv.exe
2220	rundll32Srv.exe
2220	rundll32Srv.exe
2220	rundll32Srv.exe
2220	rundll32Srv.exe
2220	rundll32Srv.exe
2220	rundll32Srv.exe
2220	rundll32Srv.exe
2220	rundll32Srv.exe
2220	rundll32Srv.exe
2220	rundll32Srv.exe
2220	rundll32Srv.exe
2220	rundll32Srv.exe
2220	rundll32Srv.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2220	rundll32Srv.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2288 wrote to memory of 1924	2288	rundll32.exe	30
PID 2288 wrote to memory of 1924	2288	rundll32.exe	30
PID 2288 wrote to memory of 1924	2288	rundll32.exe	30
PID 2288 wrote to memory of 1924	2288	rundll32.exe	30
PID 2288 wrote to memory of 1924	2288	rundll32.exe	30
PID 2288 wrote to memory of 1924	2288	rundll32.exe	30
PID 2288 wrote to memory of 1924	2288	rundll32.exe	30
PID 1924 wrote to memory of 2220	1924	rundll32.exe	31
PID 1924 wrote to memory of 2220	1924	rundll32.exe	31
PID 1924 wrote to memory of 2220	1924	rundll32.exe	31
PID 1924 wrote to memory of 2220	1924	rundll32.exe	31
PID 1924 wrote to memory of 2744	1924	rundll32.exe	32
PID 1924 wrote to memory of 2744	1924	rundll32.exe	32
PID 1924 wrote to memory of 2744	1924	rundll32.exe	32
PID 1924 wrote to memory of 2744	1924	rundll32.exe	32
PID 2220 wrote to memory of 384	2220	rundll32Srv.exe	3
PID 2220 wrote to memory of 384	2220	rundll32Srv.exe	3
PID 2220 wrote to memory of 384	2220	rundll32Srv.exe	3
PID 2220 wrote to memory of 384	2220	rundll32Srv.exe	3
PID 2220 wrote to memory of 384	2220	rundll32Srv.exe	3
PID 2220 wrote to memory of 384	2220	rundll32Srv.exe	3
PID 2220 wrote to memory of 392	2220	rundll32Srv.exe	4
PID 2220 wrote to memory of 392	2220	rundll32Srv.exe	4
PID 2220 wrote to memory of 392	2220	rundll32Srv.exe	4
PID 2220 wrote to memory of 392	2220	rundll32Srv.exe	4
PID 2220 wrote to memory of 392	2220	rundll32Srv.exe	4
PID 2220 wrote to memory of 392	2220	rundll32Srv.exe	4
PID 2220 wrote to memory of 432	2220	rundll32Srv.exe	5
PID 2220 wrote to memory of 432	2220	rundll32Srv.exe	5
PID 2220 wrote to memory of 432	2220	rundll32Srv.exe	5
PID 2220 wrote to memory of 432	2220	rundll32Srv.exe	5
PID 2220 wrote to memory of 432	2220	rundll32Srv.exe	5
PID 2220 wrote to memory of 432	2220	rundll32Srv.exe	5
PID 2220 wrote to memory of 480	2220	rundll32Srv.exe	6
PID 2220 wrote to memory of 480	2220	rundll32Srv.exe	6
PID 2220 wrote to memory of 480	2220	rundll32Srv.exe	6
PID 2220 wrote to memory of 480	2220	rundll32Srv.exe	6
PID 2220 wrote to memory of 480	2220	rundll32Srv.exe	6
PID 2220 wrote to memory of 480	2220	rundll32Srv.exe	6
PID 2220 wrote to memory of 488	2220	rundll32Srv.exe	7
PID 2220 wrote to memory of 488	2220	rundll32Srv.exe	7
PID 2220 wrote to memory of 488	2220	rundll32Srv.exe	7
PID 2220 wrote to memory of 488	2220	rundll32Srv.exe	7
PID 2220 wrote to memory of 488	2220	rundll32Srv.exe	7
PID 2220 wrote to memory of 488	2220	rundll32Srv.exe	7
PID 2220 wrote to memory of 496	2220	rundll32Srv.exe	8
PID 2220 wrote to memory of 496	2220	rundll32Srv.exe	8
PID 2220 wrote to memory of 496	2220	rundll32Srv.exe	8
PID 2220 wrote to memory of 496	2220	rundll32Srv.exe	8
PID 2220 wrote to memory of 496	2220	rundll32Srv.exe	8
PID 2220 wrote to memory of 496	2220	rundll32Srv.exe	8
PID 2220 wrote to memory of 596	2220	rundll32Srv.exe	9
PID 2220 wrote to memory of 596	2220	rundll32Srv.exe	9
PID 2220 wrote to memory of 596	2220	rundll32Srv.exe	9
PID 2220 wrote to memory of 596	2220	rundll32Srv.exe	9
PID 2220 wrote to memory of 596	2220	rundll32Srv.exe	9
PID 2220 wrote to memory of 596	2220	rundll32Srv.exe	9
PID 2220 wrote to memory of 672	2220	rundll32Srv.exe	10
PID 2220 wrote to memory of 672	2220	rundll32Srv.exe	10
PID 2220 wrote to memory of 672	2220	rundll32Srv.exe	10
PID 2220 wrote to memory of 672	2220	rundll32Srv.exe	10
PID 2220 wrote to memory of 672	2220	rundll32Srv.exe	10
PID 2220 wrote to memory of 672	2220	rundll32Srv.exe	10
PID 2220 wrote to memory of 760	2220	rundll32Srv.exe	11

C:\Windows\system32\wininit.exe
wininit.exe
1⤵
PID:384
- C:\Windows\system32\services.exe
  C:\Windows\system32\services.exe
  2⤵
  PID:480
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k DcomLaunch
    3⤵
    PID:596
  - - C:\Windows\system32\DllHost.exe
      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
      4⤵
      PID:1616
  - - C:\Windows\system32\wbem\wmiprvse.exe
      C:\Windows\system32\wbem\wmiprvse.exe
      4⤵
      PID:1028
- - 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:760
- - C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
    3⤵
    PID:800
  - - C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      4⤵
      PID:1144
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs
    3⤵
    PID:832
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalService
    3⤵
    PID:956
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k NetworkService
    3⤵
    PID:1020
- - C:\Windows\System32\spoolsv.exe
    C:\Windows\System32\spoolsv.exe
    3⤵
    PID:1000
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
    3⤵
    PID:1060
- - C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    3⤵
    PID:1096
- - C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE
    "C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE"
    3⤵
    PID:300
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
    3⤵
    PID:1416
- - C:\Windows\system32\sppsvc.exe
    C:\Windows\system32\sppsvc.exe
    3⤵
    PID:2072
- C:\Windows\system32\lsass.exe
  C:\Windows\system32\lsass.exe
  2⤵
  PID:488
- C:\Windows\system32\lsm.exe
  C:\Windows\system32\lsm.exe
  2⤵
  PID:496

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:1180
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0748ba4e3da132fc06603b30014ad2f0.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2288
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0748ba4e3da132fc06603b30014ad2f0.dll,#1
    3⤵
    - Loads dropped DLL
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1924
  - - 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:2220
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1924 -s 224
      4⤵
      Program crash
      PID:2744

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

\Windows\SysWOW64\rundll32Srv.exe

Filesize
74KB

MD5
f418a223805611eb0c0c9892746a18c6

SHA1
ea101b15bc9cc5540681a82ee3f25e02d1e32a44

SHA256
d8899ca79b45c5d840e8454791778cffbef7e7184987351bdfca82077bf75378

SHA512
d579b86647d4bd612fffe16082fb6b0639f7c6414639558eefcc37ff60815ea067204320b35257922479a459d44dbe34a6ffff9facaec4d9d9e9d677bedf6498

Download Submit
memory/1924-4-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/1924-2-0x0000000010000000-0x0000000010025000-memory.dmp

Filesize
148KB

Download
memory/1924-15-0x0000000010000000-0x0000000010025000-memory.dmp

Filesize
148KB

Download
memory/2220-14-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/2220-11-0x0000000000440000-0x000000000044F000-memory.dmp

Filesize
60KB

Download
memory/2220-9-0x000000007743F000-0x0000000077440000-memory.dmp

Filesize
4KB

Download
memory/2220-8-0x0000000077440000-0x0000000077441000-memory.dmp

Filesize
4KB

Download
memory/2744-12-0x000000007EFA0000-0x000000007EFA9000-memory.dmp

Filesize
36KB

Download
memory/2744-16-0x000000007EFA0000-0x000000007EFA9000-memory.dmp

Filesize
36KB

Download