ramnit | 2715e2e331369c798ad9218355bc79e0bed9d8e4f6fdf165202ede645a158a7e

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18-12-2024 10:48

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General

Target

2715e2e331369c798ad9218355bc79e0bed9d8e4f6fdf165202ede645a158a7e.dll
Size

4.7MB
MD5

0fd370a8f48b6f0f833fb24a77d98ae3
SHA1

579cbfbe20611958062b102652a4051a6b9a1be8
SHA256

2715e2e331369c798ad9218355bc79e0bed9d8e4f6fdf165202ede645a158a7e
SHA512

5f7be894f9f2675b7f8b4e643ce0d0cbbc3ab997856f8f51422f12c0978417de47d125d0ba88beb1334cdc974ff31030f4d8d570f46d74749e15437aa08f976e
SSDEEP

98304:9aTiZ7qe+aOKvp3QZ6/HbS9FugmTw3gvhiWaOuBuJ0Ato4z/ukDr:9aTiZ7qfRmp3QZ6/+9Fu/v0AmWh/

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
2780	rundll32Srv.exe

Loads dropped DLL 1 IoCs

pid	Process
2740	rundll32.exe

Drops file in System32 directory 1 IoCs

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

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000e000000012280-1.dat	upx
behavioral1/memory/2780-9-0x0000000000400000-0x0000000000435000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	rundll32Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\pxE82D.tmp	rundll32Srv.exe
File created	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
2780	rundll32Srv.exe

Suspicious behavior: MapViewOfSection 26 IoCs

pid	Process
2780	rundll32Srv.exe
2780	rundll32Srv.exe
2780	rundll32Srv.exe
2780	rundll32Srv.exe
2780	rundll32Srv.exe
2780	rundll32Srv.exe
2780	rundll32Srv.exe
2780	rundll32Srv.exe
2780	rundll32Srv.exe
2780	rundll32Srv.exe
2780	rundll32Srv.exe
2780	rundll32Srv.exe
2780	rundll32Srv.exe
2780	rundll32Srv.exe
2780	rundll32Srv.exe
2780	rundll32Srv.exe
2780	rundll32Srv.exe
2780	rundll32Srv.exe
2780	rundll32Srv.exe
2780	rundll32Srv.exe
2780	rundll32Srv.exe
2780	rundll32Srv.exe
2780	rundll32Srv.exe
2780	rundll32Srv.exe
2780	rundll32Srv.exe
2780	rundll32Srv.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2780	rundll32Srv.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2684 wrote to memory of 2740	2684	rundll32.exe	31
PID 2684 wrote to memory of 2740	2684	rundll32.exe	31
PID 2684 wrote to memory of 2740	2684	rundll32.exe	31
PID 2684 wrote to memory of 2740	2684	rundll32.exe	31
PID 2684 wrote to memory of 2740	2684	rundll32.exe	31
PID 2684 wrote to memory of 2740	2684	rundll32.exe	31
PID 2684 wrote to memory of 2740	2684	rundll32.exe	31
PID 2740 wrote to memory of 2780	2740	rundll32.exe	32
PID 2740 wrote to memory of 2780	2740	rundll32.exe	32
PID 2740 wrote to memory of 2780	2740	rundll32.exe	32
PID 2740 wrote to memory of 2780	2740	rundll32.exe	32
PID 2780 wrote to memory of 380	2780	rundll32Srv.exe	3
PID 2780 wrote to memory of 380	2780	rundll32Srv.exe	3
PID 2780 wrote to memory of 380	2780	rundll32Srv.exe	3
PID 2780 wrote to memory of 380	2780	rundll32Srv.exe	3
PID 2780 wrote to memory of 380	2780	rundll32Srv.exe	3
PID 2780 wrote to memory of 380	2780	rundll32Srv.exe	3
PID 2780 wrote to memory of 380	2780	rundll32Srv.exe	3
PID 2780 wrote to memory of 388	2780	rundll32Srv.exe	4
PID 2780 wrote to memory of 388	2780	rundll32Srv.exe	4
PID 2780 wrote to memory of 388	2780	rundll32Srv.exe	4
PID 2780 wrote to memory of 388	2780	rundll32Srv.exe	4
PID 2780 wrote to memory of 388	2780	rundll32Srv.exe	4
PID 2780 wrote to memory of 388	2780	rundll32Srv.exe	4
PID 2780 wrote to memory of 388	2780	rundll32Srv.exe	4
PID 2780 wrote to memory of 428	2780	rundll32Srv.exe	5
PID 2780 wrote to memory of 428	2780	rundll32Srv.exe	5
PID 2780 wrote to memory of 428	2780	rundll32Srv.exe	5
PID 2780 wrote to memory of 428	2780	rundll32Srv.exe	5
PID 2780 wrote to memory of 428	2780	rundll32Srv.exe	5
PID 2780 wrote to memory of 428	2780	rundll32Srv.exe	5
PID 2780 wrote to memory of 428	2780	rundll32Srv.exe	5
PID 2780 wrote to memory of 472	2780	rundll32Srv.exe	6
PID 2780 wrote to memory of 472	2780	rundll32Srv.exe	6
PID 2780 wrote to memory of 472	2780	rundll32Srv.exe	6
PID 2780 wrote to memory of 472	2780	rundll32Srv.exe	6
PID 2780 wrote to memory of 472	2780	rundll32Srv.exe	6
PID 2780 wrote to memory of 472	2780	rundll32Srv.exe	6
PID 2780 wrote to memory of 472	2780	rundll32Srv.exe	6
PID 2780 wrote to memory of 488	2780	rundll32Srv.exe	7
PID 2780 wrote to memory of 488	2780	rundll32Srv.exe	7
PID 2780 wrote to memory of 488	2780	rundll32Srv.exe	7
PID 2780 wrote to memory of 488	2780	rundll32Srv.exe	7
PID 2780 wrote to memory of 488	2780	rundll32Srv.exe	7
PID 2780 wrote to memory of 488	2780	rundll32Srv.exe	7
PID 2780 wrote to memory of 488	2780	rundll32Srv.exe	7
PID 2780 wrote to memory of 496	2780	rundll32Srv.exe	8
PID 2780 wrote to memory of 496	2780	rundll32Srv.exe	8
PID 2780 wrote to memory of 496	2780	rundll32Srv.exe	8
PID 2780 wrote to memory of 496	2780	rundll32Srv.exe	8
PID 2780 wrote to memory of 496	2780	rundll32Srv.exe	8
PID 2780 wrote to memory of 496	2780	rundll32Srv.exe	8
PID 2780 wrote to memory of 496	2780	rundll32Srv.exe	8
PID 2780 wrote to memory of 588	2780	rundll32Srv.exe	9
PID 2780 wrote to memory of 588	2780	rundll32Srv.exe	9
PID 2780 wrote to memory of 588	2780	rundll32Srv.exe	9
PID 2780 wrote to memory of 588	2780	rundll32Srv.exe	9
PID 2780 wrote to memory of 588	2780	rundll32Srv.exe	9
PID 2780 wrote to memory of 588	2780	rundll32Srv.exe	9
PID 2780 wrote to memory of 588	2780	rundll32Srv.exe	9
PID 2780 wrote to memory of 668	2780	rundll32Srv.exe	10
PID 2780 wrote to memory of 668	2780	rundll32Srv.exe	10
PID 2780 wrote to memory of 668	2780	rundll32Srv.exe	10
PID 2780 wrote to memory of 668	2780	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:588
  - - C:\Windows\system32\DllHost.exe
      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
      4⤵
      PID:1940
  - - C:\Windows\system32\wbem\wmiprvse.exe
      C:\Windows\system32\wbem\wmiprvse.exe
      4⤵
      PID:1252
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k RPCSS
    3⤵
    PID:668
- - C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
    3⤵
    PID:740
- - 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:1108
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs
    3⤵
    PID:844
  - - \\?\C:\Windows\system32\wbem\WMIADAP.EXE
      wmiadap.exe /F /T /R
      4⤵
      PID:1084
- - 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:284
- - C:\Windows\System32\spoolsv.exe
    C:\Windows\System32\spoolsv.exe
    3⤵
    PID:1048
- - C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    3⤵
    PID:1060
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
    3⤵
    PID:1136
- - C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE
    "C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE"
    3⤵
    PID:2020
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
    3⤵
    PID:2260
- - C:\Windows\system32\sppsvc.exe
    C:\Windows\system32\sppsvc.exe
    3⤵
    PID:2220
- 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:1180
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\2715e2e331369c798ad9218355bc79e0bed9d8e4f6fdf165202ede645a158a7e.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2684
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\2715e2e331369c798ad9218355bc79e0bed9d8e4f6fdf165202ede645a158a7e.dll,#1
    3⤵
    - Loads dropped DLL
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2740
  - - 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:2780

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
84KB

MD5
15c4d91b9254aa6a5d9cdf15a8c5fad1

SHA1
b07290b367a128f452edad6de8de5e2acc9157b4

SHA256
b169c634039baad537f3bed807d571efb6c5d3bed0088effa06fbdaa4bd362c8

SHA512
007ac72c67af1ffa3d0e829dea45ae4a70ea3f537f281ec3f1add4253c3fa4b9e854887073b6c0dfed7cc7e058e3210a3cd9d259a5b1cd053dc0b64e6a5ae7ed

Download Submit
memory/2740-4-0x0000000006000000-0x00000000064C7000-memory.dmp

Filesize
4.8MB

Download
memory/2740-10-0x0000000006000000-0x00000000064C7000-memory.dmp

Filesize
4.8MB

Download
memory/2740-12-0x000000007EFA0000-0x000000007EFAC000-memory.dmp

Filesize
48KB

Download
memory/2740-11-0x000000007785F000-0x0000000077860000-memory.dmp

Filesize
4KB

Download
memory/2740-13-0x0000000006000000-0x00000000064C7000-memory.dmp

Filesize
4.8MB

Download
memory/2780-9-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download