ramnit | f6459706021fa22c5bdbe89cccd6f7313932d6021b50a5e292c4cad9039cd747

Analysis

max time kernel
119s
max time network
16s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
04-01-2025 07:37

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General

Target

f6459706021fa22c5bdbe89cccd6f7313932d6021b50a5e292c4cad9039cd747N.dll
Size

136KB
MD5

5a3970c39f090d1a289ce5c86a6ce2b0
SHA1

548ff3d32f22bf63e8e53670177e637b888d42e7
SHA256

f6459706021fa22c5bdbe89cccd6f7313932d6021b50a5e292c4cad9039cd747
SHA512

21bacd2d03069ffac291f61aa4bbd17e278b4972145c2e99e09b1d5e860e2cc427ddbe28f278566ccce3341903e70eae6e38445f0a70fda9dd6ddacc49ebfe28
SSDEEP

3072:RkZrg1P6DGxO144swW5K5XRNLPz41lk2:WBGxm/W5SXRr2

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
2436	rundll32Srv.exe

Loads dropped DLL 1 IoCs

pid	Process
1812	rundll32.exe

Drops file in System32 directory 1 IoCs

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

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2436-12-0x0000000000400000-0x0000000000435000-memory.dmp	upx
behavioral1/memory/2436-14-0x0000000000400000-0x0000000000435000-memory.dmp	upx
behavioral1/files/0x000c00000001202c-11.dat	upx
behavioral1/memory/2436-7-0x0000000000400000-0x0000000000435000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\pxA7B4.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

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
2436	rundll32Srv.exe

Suspicious behavior: MapViewOfSection 25 IoCs

pid	Process
2436	rundll32Srv.exe
2436	rundll32Srv.exe
2436	rundll32Srv.exe
2436	rundll32Srv.exe
2436	rundll32Srv.exe
2436	rundll32Srv.exe
2436	rundll32Srv.exe
2436	rundll32Srv.exe
2436	rundll32Srv.exe
2436	rundll32Srv.exe
2436	rundll32Srv.exe
2436	rundll32Srv.exe
2436	rundll32Srv.exe
2436	rundll32Srv.exe
2436	rundll32Srv.exe
2436	rundll32Srv.exe
2436	rundll32Srv.exe
2436	rundll32Srv.exe
2436	rundll32Srv.exe
2436	rundll32Srv.exe
2436	rundll32Srv.exe
2436	rundll32Srv.exe
2436	rundll32Srv.exe
2436	rundll32Srv.exe
2436	rundll32Srv.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2436	rundll32Srv.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1156 wrote to memory of 1812	1156	rundll32.exe	30
PID 1156 wrote to memory of 1812	1156	rundll32.exe	30
PID 1156 wrote to memory of 1812	1156	rundll32.exe	30
PID 1156 wrote to memory of 1812	1156	rundll32.exe	30
PID 1156 wrote to memory of 1812	1156	rundll32.exe	30
PID 1156 wrote to memory of 1812	1156	rundll32.exe	30
PID 1156 wrote to memory of 1812	1156	rundll32.exe	30
PID 1812 wrote to memory of 2436	1812	rundll32.exe	31
PID 1812 wrote to memory of 2436	1812	rundll32.exe	31
PID 1812 wrote to memory of 2436	1812	rundll32.exe	31
PID 1812 wrote to memory of 2436	1812	rundll32.exe	31
PID 2436 wrote to memory of 380	2436	rundll32Srv.exe	3
PID 2436 wrote to memory of 380	2436	rundll32Srv.exe	3
PID 2436 wrote to memory of 380	2436	rundll32Srv.exe	3
PID 2436 wrote to memory of 380	2436	rundll32Srv.exe	3
PID 2436 wrote to memory of 380	2436	rundll32Srv.exe	3
PID 2436 wrote to memory of 380	2436	rundll32Srv.exe	3
PID 2436 wrote to memory of 380	2436	rundll32Srv.exe	3
PID 2436 wrote to memory of 388	2436	rundll32Srv.exe	4
PID 2436 wrote to memory of 388	2436	rundll32Srv.exe	4
PID 2436 wrote to memory of 388	2436	rundll32Srv.exe	4
PID 2436 wrote to memory of 388	2436	rundll32Srv.exe	4
PID 2436 wrote to memory of 388	2436	rundll32Srv.exe	4
PID 2436 wrote to memory of 388	2436	rundll32Srv.exe	4
PID 2436 wrote to memory of 388	2436	rundll32Srv.exe	4
PID 2436 wrote to memory of 428	2436	rundll32Srv.exe	5
PID 2436 wrote to memory of 428	2436	rundll32Srv.exe	5
PID 2436 wrote to memory of 428	2436	rundll32Srv.exe	5
PID 2436 wrote to memory of 428	2436	rundll32Srv.exe	5
PID 2436 wrote to memory of 428	2436	rundll32Srv.exe	5
PID 2436 wrote to memory of 428	2436	rundll32Srv.exe	5
PID 2436 wrote to memory of 428	2436	rundll32Srv.exe	5
PID 2436 wrote to memory of 472	2436	rundll32Srv.exe	6
PID 2436 wrote to memory of 472	2436	rundll32Srv.exe	6
PID 2436 wrote to memory of 472	2436	rundll32Srv.exe	6
PID 2436 wrote to memory of 472	2436	rundll32Srv.exe	6
PID 2436 wrote to memory of 472	2436	rundll32Srv.exe	6
PID 2436 wrote to memory of 472	2436	rundll32Srv.exe	6
PID 2436 wrote to memory of 472	2436	rundll32Srv.exe	6
PID 2436 wrote to memory of 488	2436	rundll32Srv.exe	7
PID 2436 wrote to memory of 488	2436	rundll32Srv.exe	7
PID 2436 wrote to memory of 488	2436	rundll32Srv.exe	7
PID 2436 wrote to memory of 488	2436	rundll32Srv.exe	7
PID 2436 wrote to memory of 488	2436	rundll32Srv.exe	7
PID 2436 wrote to memory of 488	2436	rundll32Srv.exe	7
PID 2436 wrote to memory of 488	2436	rundll32Srv.exe	7
PID 2436 wrote to memory of 496	2436	rundll32Srv.exe	8
PID 2436 wrote to memory of 496	2436	rundll32Srv.exe	8
PID 2436 wrote to memory of 496	2436	rundll32Srv.exe	8
PID 2436 wrote to memory of 496	2436	rundll32Srv.exe	8
PID 2436 wrote to memory of 496	2436	rundll32Srv.exe	8
PID 2436 wrote to memory of 496	2436	rundll32Srv.exe	8
PID 2436 wrote to memory of 496	2436	rundll32Srv.exe	8
PID 2436 wrote to memory of 592	2436	rundll32Srv.exe	9
PID 2436 wrote to memory of 592	2436	rundll32Srv.exe	9
PID 2436 wrote to memory of 592	2436	rundll32Srv.exe	9
PID 2436 wrote to memory of 592	2436	rundll32Srv.exe	9
PID 2436 wrote to memory of 592	2436	rundll32Srv.exe	9
PID 2436 wrote to memory of 592	2436	rundll32Srv.exe	9
PID 2436 wrote to memory of 592	2436	rundll32Srv.exe	9
PID 2436 wrote to memory of 672	2436	rundll32Srv.exe	10
PID 2436 wrote to memory of 672	2436	rundll32Srv.exe	10
PID 2436 wrote to memory of 672	2436	rundll32Srv.exe	10
PID 2436 wrote to memory of 672	2436	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:472
- - 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:464
  - - C:\Windows\system32\wbem\wmiprvse.exe
      C:\Windows\system32\wbem\wmiprvse.exe
      4⤵
      PID:1588
- - 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:744
- - 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:1172
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs
    3⤵
    PID:836
- - 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:108
- - 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:1064
- - C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    3⤵
    PID:1100
- - C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE
    "C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE"
    3⤵
    PID:1536
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
    3⤵
    PID:2256
- - C:\Windows\system32\sppsvc.exe
    C:\Windows\system32\sppsvc.exe
    3⤵
    PID:1996
- 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:388

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:428

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1200
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f6459706021fa22c5bdbe89cccd6f7313932d6021b50a5e292c4cad9039cd747N.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1156
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\f6459706021fa22c5bdbe89cccd6f7313932d6021b50a5e292c4cad9039cd747N.dll,#1
    3⤵
    - Loads dropped DLL
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1812
  - - 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:2436

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
b007a0eedf9320ff3f85339f970d3368

SHA1
cae4823f26f161e5153eba3df453006d3d4a8bf8

SHA256
70a8528bdd0992a7a0518d2611122aa796d323fb6bf6fd573fc9aa3818641241

SHA512
3c2a9b116ec5559e7ddbd23fb9a40b95b164118a2e8a8097e3367bc1ea77b1a584cb6d480d1ab1a1031cba08710825d7f33ad4bd575d47fa646ed045b4fb8c30

Download Submit
memory/1812-5-0x0000000000170000-0x00000000001A5000-memory.dmp

Filesize
212KB

Download
memory/1812-1-0x000000003F050000-0x000000003F072000-memory.dmp

Filesize
136KB

Download
memory/1812-15-0x000000003F050000-0x000000003F072000-memory.dmp

Filesize
136KB

Download
memory/1812-17-0x0000000000170000-0x0000000000172000-memory.dmp

Filesize
8KB

Download
memory/1812-16-0x000000007EFA0000-0x000000007EFAC000-memory.dmp

Filesize
48KB

Download
memory/2436-12-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/2436-14-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/2436-10-0x00000000001D0000-0x00000000001DF000-memory.dmp

Filesize
60KB

Download
memory/2436-9-0x0000000077C40000-0x0000000077C41000-memory.dmp

Filesize
4KB

Download
memory/2436-8-0x0000000077C3F000-0x0000000077C40000-memory.dmp

Filesize
4KB

Download
memory/2436-7-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download