ramnit | 53de53007ecd2497d183c9184d74fe1ac165d096ed8e83287ea1ec510fa43d1d

Analysis

max time kernel
42s
max time network
45s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
06-11-2022 21:14

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General

Target

53de53007ecd2497d183c9184d74fe1ac165d096ed8e83287ea1ec510fa43d1d.dll
Size

468KB
MD5

05f43c6ab4e70109bb0dc17b24273a40
SHA1

b59e21936afb470081009b4fa0b6a1b025c2153e
SHA256

53de53007ecd2497d183c9184d74fe1ac165d096ed8e83287ea1ec510fa43d1d
SHA512

eb04efb19ad14061f4f1d3f0e14aec3e029fc6c39b423b69b930bf79bb606bfee14d9d3e1d318fc5b7c749159fab19026e3c2fc3f5868e7e3762fb51f219f54b
SSDEEP

12288:LXClLduO3HyzesG5ybCsUa2J/iKtsazrml:LyPPSzesG59qK63

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

Executes dropped EXE 1 IoCs

pid	Process
1712	rundll32Srv.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x00140000000054ab-56.dat	upx
behavioral1/files/0x00140000000054ab-58.dat	upx
behavioral1/files/0x00140000000054ab-61.dat	upx
behavioral1/memory/1712-62-0x0000000000400000-0x0000000000435000-memory.dmp	upx

Loads dropped DLL 1 IoCs

pid	Process
340	rundll32.exe

Drops file in System32 directory 1 IoCs

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

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\pxFE6C.tmp	rundll32Srv.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1712	rundll32Srv.exe

Suspicious behavior: MapViewOfSection 23 IoCs

pid	Process
1712	rundll32Srv.exe
1712	rundll32Srv.exe
1712	rundll32Srv.exe
1712	rundll32Srv.exe
1712	rundll32Srv.exe
1712	rundll32Srv.exe
1712	rundll32Srv.exe
1712	rundll32Srv.exe
1712	rundll32Srv.exe
1712	rundll32Srv.exe
1712	rundll32Srv.exe
1712	rundll32Srv.exe
1712	rundll32Srv.exe
1712	rundll32Srv.exe
1712	rundll32Srv.exe
1712	rundll32Srv.exe
1712	rundll32Srv.exe
1712	rundll32Srv.exe
1712	rundll32Srv.exe
1712	rundll32Srv.exe
1712	rundll32Srv.exe
1712	rundll32Srv.exe
1712	rundll32Srv.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1712	rundll32Srv.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1836 wrote to memory of 340	1836	rundll32.exe	27
PID 1836 wrote to memory of 340	1836	rundll32.exe	27
PID 1836 wrote to memory of 340	1836	rundll32.exe	27
PID 1836 wrote to memory of 340	1836	rundll32.exe	27
PID 1836 wrote to memory of 340	1836	rundll32.exe	27
PID 1836 wrote to memory of 340	1836	rundll32.exe	27
PID 1836 wrote to memory of 340	1836	rundll32.exe	27
PID 340 wrote to memory of 1712	340	rundll32.exe	28
PID 340 wrote to memory of 1712	340	rundll32.exe	28
PID 340 wrote to memory of 1712	340	rundll32.exe	28
PID 340 wrote to memory of 1712	340	rundll32.exe	28
PID 1712 wrote to memory of 372	1712	rundll32Srv.exe	5
PID 1712 wrote to memory of 372	1712	rundll32Srv.exe	5
PID 1712 wrote to memory of 372	1712	rundll32Srv.exe	5
PID 1712 wrote to memory of 372	1712	rundll32Srv.exe	5
PID 1712 wrote to memory of 372	1712	rundll32Srv.exe	5
PID 1712 wrote to memory of 372	1712	rundll32Srv.exe	5
PID 1712 wrote to memory of 372	1712	rundll32Srv.exe	5
PID 1712 wrote to memory of 384	1712	rundll32Srv.exe	4
PID 1712 wrote to memory of 384	1712	rundll32Srv.exe	4
PID 1712 wrote to memory of 384	1712	rundll32Srv.exe	4
PID 1712 wrote to memory of 384	1712	rundll32Srv.exe	4
PID 1712 wrote to memory of 384	1712	rundll32Srv.exe	4
PID 1712 wrote to memory of 384	1712	rundll32Srv.exe	4
PID 1712 wrote to memory of 384	1712	rundll32Srv.exe	4
PID 1712 wrote to memory of 420	1712	rundll32Srv.exe	3
PID 1712 wrote to memory of 420	1712	rundll32Srv.exe	3
PID 1712 wrote to memory of 420	1712	rundll32Srv.exe	3
PID 1712 wrote to memory of 420	1712	rundll32Srv.exe	3
PID 1712 wrote to memory of 420	1712	rundll32Srv.exe	3
PID 1712 wrote to memory of 420	1712	rundll32Srv.exe	3
PID 1712 wrote to memory of 420	1712	rundll32Srv.exe	3
PID 1712 wrote to memory of 464	1712	rundll32Srv.exe	2
PID 1712 wrote to memory of 464	1712	rundll32Srv.exe	2
PID 1712 wrote to memory of 464	1712	rundll32Srv.exe	2
PID 1712 wrote to memory of 464	1712	rundll32Srv.exe	2
PID 1712 wrote to memory of 464	1712	rundll32Srv.exe	2
PID 1712 wrote to memory of 464	1712	rundll32Srv.exe	2
PID 1712 wrote to memory of 464	1712	rundll32Srv.exe	2
PID 1712 wrote to memory of 480	1712	rundll32Srv.exe	1
PID 1712 wrote to memory of 480	1712	rundll32Srv.exe	1
PID 1712 wrote to memory of 480	1712	rundll32Srv.exe	1
PID 1712 wrote to memory of 480	1712	rundll32Srv.exe	1
PID 1712 wrote to memory of 480	1712	rundll32Srv.exe	1
PID 1712 wrote to memory of 480	1712	rundll32Srv.exe	1
PID 1712 wrote to memory of 480	1712	rundll32Srv.exe	1
PID 1712 wrote to memory of 488	1712	rundll32Srv.exe	8
PID 1712 wrote to memory of 488	1712	rundll32Srv.exe	8
PID 1712 wrote to memory of 488	1712	rundll32Srv.exe	8
PID 1712 wrote to memory of 488	1712	rundll32Srv.exe	8
PID 1712 wrote to memory of 488	1712	rundll32Srv.exe	8
PID 1712 wrote to memory of 488	1712	rundll32Srv.exe	8
PID 1712 wrote to memory of 488	1712	rundll32Srv.exe	8
PID 1712 wrote to memory of 600	1712	rundll32Srv.exe	26
PID 1712 wrote to memory of 600	1712	rundll32Srv.exe	26
PID 1712 wrote to memory of 600	1712	rundll32Srv.exe	26
PID 1712 wrote to memory of 600	1712	rundll32Srv.exe	26
PID 1712 wrote to memory of 600	1712	rundll32Srv.exe	26
PID 1712 wrote to memory of 600	1712	rundll32Srv.exe	26
PID 1712 wrote to memory of 600	1712	rundll32Srv.exe	26
PID 1712 wrote to memory of 676	1712	rundll32Srv.exe	25
PID 1712 wrote to memory of 676	1712	rundll32Srv.exe	25
PID 1712 wrote to memory of 676	1712	rundll32Srv.exe	25
PID 1712 wrote to memory of 676	1712	rundll32Srv.exe	25

C:\Windows\system32\lsass.exe
C:\Windows\system32\lsass.exe
1⤵
PID:480

C:\Windows\system32\services.exe
C:\Windows\system32\services.exe
1⤵
PID:464
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
  2⤵
  PID:1056
- C:\Windows\system32\sppsvc.exe
  C:\Windows\system32\sppsvc.exe
  2⤵
  PID:752
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
  2⤵
  PID:1796
- C:\Windows\system32\taskhost.exe
  "taskhost.exe"
  2⤵
  PID:1128
- C:\Windows\System32\spoolsv.exe
  C:\Windows\System32\spoolsv.exe
  2⤵
  PID:1028
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k NetworkService
  2⤵
  PID:292
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k netsvcs
  2⤵
  PID:880
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k LocalService
  2⤵
  PID:856
- C:\Windows\System32\svchost.exe
  C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
  2⤵
  PID:816
- C:\Windows\System32\svchost.exe
  C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
  2⤵
  PID:768
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k RPCSS
  2⤵
  PID:676
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k DcomLaunch
  2⤵
  PID:600

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:420

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:372
- C:\Windows\system32\lsm.exe
  C:\Windows\system32\lsm.exe
  2⤵
  PID:488

\\?\C:\Windows\system32\wbem\WMIADAP.EXE
wmiadap.exe /F /T /R
1⤵
PID:1940

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1268
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\53de53007ecd2497d183c9184d74fe1ac165d096ed8e83287ea1ec510fa43d1d.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1836
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\53de53007ecd2497d183c9184d74fe1ac165d096ed8e83287ea1ec510fa43d1d.dll,#1
    3⤵
    - Loads dropped DLL
    - Drops file in System32 directory
    - Suspicious use of WriteProcessMemory
    PID:340
  - - C:\Windows\SysWOW64\rundll32Srv.exe
      C:\Windows\SysWOW64\rundll32Srv.exe
      4⤵
      Executes dropped EXE
      Drops file in Program Files directory
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:1712

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1204

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\WINDOWS\SYSWOW64\RUNDLL32SRV.EXE

Filesize
84KB

MD5
15e43cf7d67b779f26b0f7941dad5b93

SHA1
b590d4bb8826335a20ccb02e45d407421a6de85f

SHA256
382110f26a7a225baf2f1f67bcb470910170cdc511c56fdda368e376ea6782f8

SHA512
ab54b18f732a9bd8e11c845c45b60fcdf8abacc8f4f4b50b4347b37405436732c49bec34409dbc1726cadf939e8ddd02bab1d5bb9ae1c43ac80eaa86d6f42da6

Download Submit
C:\Windows\SysWOW64\rundll32Srv.exe

Filesize
84KB

MD5
15e43cf7d67b779f26b0f7941dad5b93

SHA1
b590d4bb8826335a20ccb02e45d407421a6de85f

SHA256
382110f26a7a225baf2f1f67bcb470910170cdc511c56fdda368e376ea6782f8

SHA512
ab54b18f732a9bd8e11c845c45b60fcdf8abacc8f4f4b50b4347b37405436732c49bec34409dbc1726cadf939e8ddd02bab1d5bb9ae1c43ac80eaa86d6f42da6

Download Submit
\Windows\SysWOW64\rundll32Srv.exe

Filesize
84KB

MD5
15e43cf7d67b779f26b0f7941dad5b93

SHA1
b590d4bb8826335a20ccb02e45d407421a6de85f

SHA256
382110f26a7a225baf2f1f67bcb470910170cdc511c56fdda368e376ea6782f8

SHA512
ab54b18f732a9bd8e11c845c45b60fcdf8abacc8f4f4b50b4347b37405436732c49bec34409dbc1726cadf939e8ddd02bab1d5bb9ae1c43ac80eaa86d6f42da6

Download Submit
memory/340-55-0x0000000075771000-0x0000000075773000-memory.dmp

Filesize
8KB

Download
memory/340-60-0x0000000074620000-0x00000000746A0000-memory.dmp

Filesize
512KB

Download
memory/1712-62-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download