ramnit | 32c45fecad47b5a4b519ba8ac22e128fbc745de1dca65b5c482b8fad81ef4b67

Analysis

max time kernel
146s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
30/10/2022, 02:48

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

32c45fecad47b5a4b519ba8ac22e128fbc745de1dca65b5c482b8fad81ef4b67.dll
Size

180KB
MD5

8504f69819a1a4ed5bc10f3cd81a3dc0
SHA1

1be5beae0a71229c1505e176f07f07c65461fafd
SHA256

32c45fecad47b5a4b519ba8ac22e128fbc745de1dca65b5c482b8fad81ef4b67
SHA512

93d52bcebd8608be30249f98d05cca787a91092041daa22a25dc3fb5f495391898bf4660ebbb6a60367326ec2c19a3cd472655c8b7f4824d96672095e56e3f7b
SSDEEP

3072:PbmBlvjLIpt5PTpxQLs6GAEelm7FG2mAp1DgPoZNdi3RVPPI4AN6uxijkqc:P2vvYos6GfVwovdi3RVPPI4uijU

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
1288	regsvr32mgr.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1288-137-0x0000000000400000-0x000000000042C1D8-memory.dmp	upx

Loads dropped DLL 1 IoCs

pid	Process
1288	regsvr32mgr.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\regsvr32mgr.exe	regsvr32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4576	1288	WerFault.exe	83

Modifies registry class 9 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3C78B8E2-6C4D-11D1-ADE2-0000F8754B99}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{3C78B8E2-6C4D-11D1-ADE2-0000F8754B99}\FriendlyName = "WAV Dest"	regsvr32.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{3C78B8E2-6C4D-11D1-ADE2-0000F8754B99}\FilterData = 02000000000020000000000000000000	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3C78B8E2-6C4D-11D1-ADE2-0000F8754B99}\ = "WAV Dest"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3C78B8E2-6C4D-11D1-ADE2-0000F8754B99}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{3C78B8E2-6C4D-11D1-ADE2-0000F8754B99}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{3C78B8E2-6C4D-11D1-ADE2-0000F8754B99}\CLSID = "{3C78B8E2-6C4D-11D1-ADE2-0000F8754B99}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3C78B8E2-6C4D-11D1-ADE2-0000F8754B99}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3C78B8E2-6C4D-11D1-ADE2-0000F8754B99}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\32c45fecad47b5a4b519ba8ac22e128fbc745de1dca65b5c482b8fad81ef4b67.dll"	regsvr32.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4832 wrote to memory of 4712	4832	regsvr32.exe	82
PID 4832 wrote to memory of 4712	4832	regsvr32.exe	82
PID 4832 wrote to memory of 4712	4832	regsvr32.exe	82
PID 4712 wrote to memory of 1288	4712	regsvr32.exe	83
PID 4712 wrote to memory of 1288	4712	regsvr32.exe	83
PID 4712 wrote to memory of 1288	4712	regsvr32.exe	83

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\32c45fecad47b5a4b519ba8ac22e128fbc745de1dca65b5c482b8fad81ef4b67.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4832
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\32c45fecad47b5a4b519ba8ac22e128fbc745de1dca65b5c482b8fad81ef4b67.dll
  2⤵
  - Drops file in System32 directory
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:4712
- - C:\Windows\SysWOW64\regsvr32mgr.exe
    C:\Windows\SysWOW64\regsvr32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    PID:1288
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1288 -s 10168
      4⤵
      Program crash
      PID:4576

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1288 -ip 1288
1⤵
PID:4660

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\~TM9223.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

Download Submit
C:\Windows\SysWOW64\regsvr32mgr.exe

Filesize
97KB

MD5
ef5dc2521333fb418bd5518f1db3fd08

SHA1
3d5e8d6dbf09a599f674fe9d6c1d736b0c31cb70

SHA256
75bfc7c1f54f2579541c35f721a6bbd9083c7208bd989624ceb25f16bd03afbe

SHA512
8768e95f5539dc61350f552d575c683e20e000f41283701c9c5f393da40975a02a7d432374c72565f3e1848266ee94e20d905f62b849f91f3c956b7980d87882

Download Submit
C:\Windows\SysWOW64\regsvr32mgr.exe

Filesize
97KB

MD5
ef5dc2521333fb418bd5518f1db3fd08

SHA1
3d5e8d6dbf09a599f674fe9d6c1d736b0c31cb70

SHA256
75bfc7c1f54f2579541c35f721a6bbd9083c7208bd989624ceb25f16bd03afbe

SHA512
8768e95f5539dc61350f552d575c683e20e000f41283701c9c5f393da40975a02a7d432374c72565f3e1848266ee94e20d905f62b849f91f3c956b7980d87882

Download Submit
memory/1288-137-0x0000000000400000-0x000000000042C1D8-memory.dmp

Filesize
176KB

Download
memory/1288-138-0x0000000002180000-0x00000000021AD000-memory.dmp

Filesize
180KB

Download
memory/1288-139-0x0000000077370000-0x0000000077513000-memory.dmp

Filesize
1.6MB

Download