ramnit | 39f2cb8d6335165a641feb409e011be2ea6e44132c32b2e3830c1e7c906a8dce

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
31-12-2024 21:30

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General

Target

39f2cb8d6335165a641feb409e011be2ea6e44132c32b2e3830c1e7c906a8dce.dll
Size

220KB
MD5

608b6a2d8da0e13d53f69b4221b1ae48
SHA1

6699e1a674a9d755ac8f852b8ba32dd1b0fce78c
SHA256

39f2cb8d6335165a641feb409e011be2ea6e44132c32b2e3830c1e7c906a8dce
SHA512

80e0a66fed1f8afcc9b85e006987cc1de030e11e8d47f9e9578f2a6575c1c50a9ac969a98233eb5e1912b70c1d0ba0dd9ec6b849bbe2a55e0ab1a38d84f96ea4
SSDEEP

3072:gn2Pxxtd3PQLBvBt0M1qCWzJP0ruTTBaClHpspom7ffrAmpV:oS4LBf0dJ5TTBZbspom7bXD

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
1040	rundll32mgr.exe

Loads dropped DLL 2 IoCs

pid	Process
1812	rundll32.exe
1812	rundll32.exe

Drops file in System32 directory 1 IoCs

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

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000c00000001202c-7.dat	upx
behavioral1/memory/1812-6-0x0000000000290000-0x00000000002F4000-memory.dmp	upx
behavioral1/memory/1040-13-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral1/memory/1040-19-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral1/memory/1040-17-0x0000000000400000-0x0000000000464000-memory.dmp	upx
behavioral1/memory/1812-22-0x0000000000290000-0x00000000002F4000-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
1040	rundll32mgr.exe
1040	rundll32mgr.exe
1040	rundll32mgr.exe

Suspicious behavior: MapViewOfSection 25 IoCs

pid	Process
1040	rundll32mgr.exe
1040	rundll32mgr.exe
1040	rundll32mgr.exe
1040	rundll32mgr.exe
1040	rundll32mgr.exe
1040	rundll32mgr.exe
1040	rundll32mgr.exe
1040	rundll32mgr.exe
1040	rundll32mgr.exe
1040	rundll32mgr.exe
1040	rundll32mgr.exe
1040	rundll32mgr.exe
1040	rundll32mgr.exe
1040	rundll32mgr.exe
1040	rundll32mgr.exe
1040	rundll32mgr.exe
1040	rundll32mgr.exe
1040	rundll32mgr.exe
1040	rundll32mgr.exe
1040	rundll32mgr.exe
1040	rundll32mgr.exe
1040	rundll32mgr.exe
1040	rundll32mgr.exe
1040	rundll32mgr.exe
1040	rundll32mgr.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1040	rundll32mgr.exe
Token: SeDebugPrivilege	1040	rundll32mgr.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 1040	1812	rundll32.exe	31
PID 1812 wrote to memory of 1040	1812	rundll32.exe	31
PID 1812 wrote to memory of 1040	1812	rundll32.exe	31
PID 1812 wrote to memory of 1040	1812	rundll32.exe	31
PID 1040 wrote to memory of 380	1040	rundll32mgr.exe	3
PID 1040 wrote to memory of 380	1040	rundll32mgr.exe	3
PID 1040 wrote to memory of 380	1040	rundll32mgr.exe	3
PID 1040 wrote to memory of 380	1040	rundll32mgr.exe	3
PID 1040 wrote to memory of 380	1040	rundll32mgr.exe	3
PID 1040 wrote to memory of 380	1040	rundll32mgr.exe	3
PID 1040 wrote to memory of 380	1040	rundll32mgr.exe	3
PID 1040 wrote to memory of 388	1040	rundll32mgr.exe	4
PID 1040 wrote to memory of 388	1040	rundll32mgr.exe	4
PID 1040 wrote to memory of 388	1040	rundll32mgr.exe	4
PID 1040 wrote to memory of 388	1040	rundll32mgr.exe	4
PID 1040 wrote to memory of 388	1040	rundll32mgr.exe	4
PID 1040 wrote to memory of 388	1040	rundll32mgr.exe	4
PID 1040 wrote to memory of 388	1040	rundll32mgr.exe	4
PID 1040 wrote to memory of 428	1040	rundll32mgr.exe	5
PID 1040 wrote to memory of 428	1040	rundll32mgr.exe	5
PID 1040 wrote to memory of 428	1040	rundll32mgr.exe	5
PID 1040 wrote to memory of 428	1040	rundll32mgr.exe	5
PID 1040 wrote to memory of 428	1040	rundll32mgr.exe	5
PID 1040 wrote to memory of 428	1040	rundll32mgr.exe	5
PID 1040 wrote to memory of 428	1040	rundll32mgr.exe	5
PID 1040 wrote to memory of 472	1040	rundll32mgr.exe	6
PID 1040 wrote to memory of 472	1040	rundll32mgr.exe	6
PID 1040 wrote to memory of 472	1040	rundll32mgr.exe	6
PID 1040 wrote to memory of 472	1040	rundll32mgr.exe	6
PID 1040 wrote to memory of 472	1040	rundll32mgr.exe	6
PID 1040 wrote to memory of 472	1040	rundll32mgr.exe	6
PID 1040 wrote to memory of 472	1040	rundll32mgr.exe	6
PID 1040 wrote to memory of 488	1040	rundll32mgr.exe	7
PID 1040 wrote to memory of 488	1040	rundll32mgr.exe	7
PID 1040 wrote to memory of 488	1040	rundll32mgr.exe	7
PID 1040 wrote to memory of 488	1040	rundll32mgr.exe	7
PID 1040 wrote to memory of 488	1040	rundll32mgr.exe	7
PID 1040 wrote to memory of 488	1040	rundll32mgr.exe	7
PID 1040 wrote to memory of 488	1040	rundll32mgr.exe	7
PID 1040 wrote to memory of 496	1040	rundll32mgr.exe	8
PID 1040 wrote to memory of 496	1040	rundll32mgr.exe	8
PID 1040 wrote to memory of 496	1040	rundll32mgr.exe	8
PID 1040 wrote to memory of 496	1040	rundll32mgr.exe	8
PID 1040 wrote to memory of 496	1040	rundll32mgr.exe	8
PID 1040 wrote to memory of 496	1040	rundll32mgr.exe	8
PID 1040 wrote to memory of 496	1040	rundll32mgr.exe	8
PID 1040 wrote to memory of 592	1040	rundll32mgr.exe	9
PID 1040 wrote to memory of 592	1040	rundll32mgr.exe	9
PID 1040 wrote to memory of 592	1040	rundll32mgr.exe	9
PID 1040 wrote to memory of 592	1040	rundll32mgr.exe	9
PID 1040 wrote to memory of 592	1040	rundll32mgr.exe	9
PID 1040 wrote to memory of 592	1040	rundll32mgr.exe	9
PID 1040 wrote to memory of 592	1040	rundll32mgr.exe	9
PID 1040 wrote to memory of 672	1040	rundll32mgr.exe	10
PID 1040 wrote to memory of 672	1040	rundll32mgr.exe	10
PID 1040 wrote to memory of 672	1040	rundll32mgr.exe	10
PID 1040 wrote to memory of 672	1040	rundll32mgr.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\39f2cb8d6335165a641feb409e011be2ea6e44132c32b2e3830c1e7c906a8dce.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1156
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\39f2cb8d6335165a641feb409e011be2ea6e44132c32b2e3830c1e7c906a8dce.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\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:1040

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\rundll32mgr.exe

Filesize
159KB

MD5
8703c6aeb2e62da71e50db9698d91e35

SHA1
cafceda794c5b1976b46a5d39949137aba8dc9e6

SHA256
c3a332de99e2b195bbb3e5927f8ee4217f968bc373f8c499db45db0b3388d47d

SHA512
48e45868929fcacfa06c5078de2e54d32cfab80e5dd00036b37f3d55b33269f0ee82f46b68e7a6adc2ec9aecad8672393a77602c1b995133876c2c4e6d15229a

Download Submit
memory/1040-16-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/1040-15-0x0000000077C40000-0x0000000077C41000-memory.dmp

Filesize
4KB

Download
memory/1040-13-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1040-19-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1040-14-0x0000000077C3F000-0x0000000077C40000-memory.dmp

Filesize
4KB

Download
memory/1040-18-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/1040-17-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1812-21-0x000000007EFA0000-0x000000007EFAC000-memory.dmp

Filesize
48KB

Download
memory/1812-4-0x0000000075260000-0x0000000075298000-memory.dmp

Filesize
224KB

Download
memory/1812-6-0x0000000000290000-0x00000000002F4000-memory.dmp

Filesize
400KB

Download
memory/1812-12-0x0000000000290000-0x00000000002F4000-memory.dmp

Filesize
400KB

Download
memory/1812-2-0x0000000075220000-0x0000000075258000-memory.dmp

Filesize
224KB

Download
memory/1812-1-0x0000000075260000-0x0000000075298000-memory.dmp

Filesize
224KB

Download
memory/1812-22-0x0000000000290000-0x00000000002F4000-memory.dmp

Filesize
400KB

Download
memory/1812-23-0x000000007EFA0000-0x000000007EFAC000-memory.dmp

Filesize
48KB

Download