ramnit | 732d33e5adab7b396baa22f75f6d5ca84fe0f0b680cce4f4edd56a7738be8eaf

General

Target

732d33e5adab7b396baa22f75f6d5ca84fe0f0b680cce4f4edd56a7738be8eaf.dll
Size

948KB
MD5

ddf71a19a9461207c2d9320de1f6dd45
SHA1

3ba9bc3925835b3a7ce1c980f8ae50e20e7db0c4
SHA256

732d33e5adab7b396baa22f75f6d5ca84fe0f0b680cce4f4edd56a7738be8eaf
SHA512

32e7a8810965e3a9d7d2def33b6f2ec151b503750429c617bcbab46c5c7f7b565d77cf9fca115ffe9ad39bfbc45828ed60c9eeb6fb8687aa4e76a8c9011ea985
SSDEEP

24576:9zb1MlCKUQyUmjtczu6Prs9pgWoopooK9kwP43Qbp9ZSwV0VrDOv:9zbKsUmjtcdPGgIwPYQbpjV0cv

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 3 IoCs

pid	Process
4648	rundll32mgr.exe
4964	rundll32mgrmgr.exe
840	rundll32mgrmgrmgr.exe

Loads dropped DLL 3 IoCs

pid	Process
4648	rundll32mgr.exe
4964	rundll32mgrmgr.exe
840	rundll32mgrmgrmgr.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\rundll32mgrmgrmgr.exe	rundll32mgrmgr.exe
File created	C:\Windows\SysWOW64\rundll32mgr.exe	rundll32.exe
File created	C:\Windows\SysWOW64\rundll32mgrmgr.exe	rundll32mgr.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4964-28-0x0000000000400000-0x000000000045D000-memory.dmp	upx
behavioral2/memory/840-23-0x0000000000400000-0x0000000000444000-memory.dmp	upx
behavioral2/memory/4648-19-0x0000000000400000-0x0000000000475000-memory.dmp	upx

Program crash 3 IoCs

pid	pid_target	Process	procid_target
4768	840	WerFault.exe	85
2696	4648	WerFault.exe	83
3020	4964	WerFault.exe	84

System Location Discovery: System Language Discovery 1 TTPs 4 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	rundll32mgrmgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32mgrmgrmgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32mgr.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4928 wrote to memory of 1664	4928	rundll32.exe	82
PID 4928 wrote to memory of 1664	4928	rundll32.exe	82
PID 4928 wrote to memory of 1664	4928	rundll32.exe	82
PID 1664 wrote to memory of 4648	1664	rundll32.exe	83
PID 1664 wrote to memory of 4648	1664	rundll32.exe	83
PID 1664 wrote to memory of 4648	1664	rundll32.exe	83
PID 4648 wrote to memory of 4964	4648	rundll32mgr.exe	84
PID 4648 wrote to memory of 4964	4648	rundll32mgr.exe	84
PID 4648 wrote to memory of 4964	4648	rundll32mgr.exe	84
PID 4964 wrote to memory of 840	4964	rundll32mgrmgr.exe	85
PID 4964 wrote to memory of 840	4964	rundll32mgrmgr.exe	85
PID 4964 wrote to memory of 840	4964	rundll32mgrmgr.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\732d33e5adab7b396baa22f75f6d5ca84fe0f0b680cce4f4edd56a7738be8eaf.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4928
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\732d33e5adab7b396baa22f75f6d5ca84fe0f0b680cce4f4edd56a7738be8eaf.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1664
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4648
  - - C:\Windows\SysWOW64\rundll32mgrmgr.exe
      C:\Windows\SysWOW64\rundll32mgrmgr.exe
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Drops file in System32 directory
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:4964
    - - C:\Windows\SysWOW64\rundll32mgrmgrmgr.exe
        
        C:\Windows\SysWOW64\rundll32mgrmgrmgr.exe
        5⤵
        Executes dropped EXE
        Loads dropped DLL
        System Location Discovery: System Language Discovery
        
        PID:840
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 840 -s 10176
        6⤵
        Program crash
        
        PID:4768
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4964 -s 10184
        5⤵
        Program crash
        
        PID:3020
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4648 -s 10184
      4⤵
      Program crash
      PID:2696

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 840 -ip 840
1⤵
PID:2920

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 4964 -ip 4964
1⤵
PID:1624

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4648 -ip 4648
1⤵
PID:2628

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\~TM78F9.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

Download Submit
C:\Windows\SysWOW64\rundll32mgr.exe

Filesize
289KB

MD5
ff5ce4fca25c898c61464383e98b2230

SHA1
101cc6c06290438c371af991521a92382e07552f

SHA256
736c51133e0b4cc54b1e7edd8e4ddc94b05f7df8e619833b918b2ec591c8baab

SHA512
75eab88071b51eb58cd0b79b4e24db0fa48027dc0b19cc8cbcc2e188239b4b97018a31adde42cb836beb672abd847660822df06cd0aed955fc71fe4b103a4a78

Download Submit
C:\Windows\SysWOW64\rundll32mgrmgr.exe

Filesize
191KB

MD5
2fbcf36f852eedfc37c1cf05a8c98d76

SHA1
d1e36f013a49ec66152abd0ef83e53bf1e366880

SHA256
16db28e478e418756bdbd6a58d49fb70f016177b68c2848540ade59f8f584e04

SHA512
0160953410b336ad684c1a3b67198244b54de7f92fa862bb8ee0d31e3e3f8c4e74ccc55835f5986f00f215f110fb6bf7a6267460f35927be02e05ace29128604

Download Submit
C:\Windows\SysWOW64\rundll32mgrmgrmgr.exe

Filesize
94KB

MD5
8b5f2036288762602f2916929b1ab9d8

SHA1
351a0157960c3b009a9814a6e8b7f788ba798988

SHA256
55751df54d8d54e5bb8edab83bd57fd599b2e9aa313233d6aa084cde167e6951

SHA512
41a45bd5ff492cf2a01ad156f763854b1d5371d1a41cee4cad977c4ff25a561c1b3fbb067463e2b7278ac6878af139ff7fd695bed1f5883516a70031e9758bc1

Download Submit
memory/840-20-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/840-23-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1664-0-0x0000000005000000-0x00000000050F2000-memory.dmp

Filesize
968KB

Download
memory/4648-5-0x0000000000400000-0x0000000000475000-memory.dmp

Filesize
468KB

Download
memory/4648-19-0x0000000000400000-0x0000000000475000-memory.dmp

Filesize
468KB

Download
memory/4648-18-0x0000000002140000-0x00000000021B5000-memory.dmp

Filesize
468KB

Download
memory/4964-10-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/4964-28-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download

Analysis

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