ramnit | 3511fc1d4ed6220296d77a81fa58cdfb0dcd106d6736728f0830d06e11b9082f

Analysis

max time kernel
127s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
06-11-2022 21:22

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General

Target

3511fc1d4ed6220296d77a81fa58cdfb0dcd106d6736728f0830d06e11b9082f.dll
Size

540KB
MD5

0dccd51788eb828a41e38ac98f277b50
SHA1

44a480571a7debdbffb9ae79cbcdea715e3c153c
SHA256

3511fc1d4ed6220296d77a81fa58cdfb0dcd106d6736728f0830d06e11b9082f
SHA512

54f22510670f9506b06df4016b41c7e1b69701c7288be83d5ca813f2b4549a94ecdd5ac95f9ef74eb5c43e3736bd636292683f948490897d661f193efc15dc78
SSDEEP

12288:+DgdbyuRLNs1cb1OCRJwH3afOLI0jn3z+OyWTfOQ:aYRG1M1OCRfOLIMCOyWH

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
3928	rundll32mgr.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3928-138-0x0000000000400000-0x000000000042A000-memory.dmp	upx

Loads dropped DLL 1 IoCs

pid	Process
3928	rundll32mgr.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\rundll32mgr.exe	rundll32.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{7215BE9D-560F-4AD7-9CAE-F69F6EBB86A7}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{DCB12337-0C79-4246-836E-68960AF4241D}.catalogItem	svchost.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2032	3928	WerFault.exe	76

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svchost.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	svchost.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2228 wrote to memory of 1588	2228	rundll32.exe	75
PID 2228 wrote to memory of 1588	2228	rundll32.exe	75
PID 2228 wrote to memory of 1588	2228	rundll32.exe	75
PID 1588 wrote to memory of 3928	1588	rundll32.exe	76
PID 1588 wrote to memory of 3928	1588	rundll32.exe	76
PID 1588 wrote to memory of 3928	1588	rundll32.exe	76

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3511fc1d4ed6220296d77a81fa58cdfb0dcd106d6736728f0830d06e11b9082f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2228
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3511fc1d4ed6220296d77a81fa58cdfb0dcd106d6736728f0830d06e11b9082f.dll,#1
  2⤵
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:1588
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    PID:3928
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3928 -s 484
      4⤵
      Program crash
      PID:2032

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3928 -ip 3928
1⤵
PID:3204

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p
1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry
PID:1420

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\~TM129.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

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

Filesize
106KB

MD5
fe36fb1073e6f8fa14d7250501a29aaf

SHA1
6c7e01278362797dabcff3e666b68227cb9af10f

SHA256
f34e5af97ccb3574f7d5343246138daf979bfd1f9c37590e9a41f6420ddb3bb6

SHA512
8584c008c5780352f634c37b7f46543a26280b57577b675f6e72185bfc1d95f771d210d799d704eceaba509ebfd2796fb43829495d5b2a568c741ad2d44f882f

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

Filesize
106KB

MD5
fe36fb1073e6f8fa14d7250501a29aaf

SHA1
6c7e01278362797dabcff3e666b68227cb9af10f

SHA256
f34e5af97ccb3574f7d5343246138daf979bfd1f9c37590e9a41f6420ddb3bb6

SHA512
8584c008c5780352f634c37b7f46543a26280b57577b675f6e72185bfc1d95f771d210d799d704eceaba509ebfd2796fb43829495d5b2a568c741ad2d44f882f

Download Submit
memory/1588-132-0x0000000000000000-mapping.dmp

Download
memory/1588-136-0x0000000010400000-0x0000000010489000-memory.dmp

Filesize
548KB

Download
memory/3928-133-0x0000000000000000-mapping.dmp

Download
memory/3928-138-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/3928-139-0x0000000002190000-0x00000000021BA000-memory.dmp

Filesize
168KB

Download
memory/3928-140-0x00000000771B0000-0x0000000077353000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads