b54707455a020020585ad3a0ba361b5ec5d1d52fc82fe7130186a716887f1274

Analysis

max time kernel
141s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
26-11-2022 22:45

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General

Target

b54707455a020020585ad3a0ba361b5ec5d1d52fc82fe7130186a716887f1274.exe
Size

252KB
MD5

3ee7f6f8ecc7aa5eebec6e2768183f74
SHA1

cc7a374f855db0fddf3b0059363c13725613d1ba
SHA256

b54707455a020020585ad3a0ba361b5ec5d1d52fc82fe7130186a716887f1274
SHA512

350a1a6e99ef758ed08f7d01c16a50a9b627b6fb55c246664c15b44704fa8168c7d2d3aae1ca155a07722efea7f46465eca106750b698753c38df2427f2e9e76
SSDEEP

6144:i8bRwCxWXAS8ewZ2c5+BDTzmT8qNTqhnokgI5h:r1nxWQS8eHg+QbtqSk

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

b54707455a020020585ad3a0ba361b5ec5d1d52fc82fe7130186a716887f1274.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\SteamWebHelper = "C:\\Documents and Settings\\All Users\\SteamWebHelper\\b54707455a020020585ad3a0ba361b5ec5d1d52fc82fe7130186a716887f1274.exe"	b54707455a020020585ad3a0ba361b5ec5d1d52fc82fe7130186a716887f1274.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

b54707455a020020585ad3a0ba361b5ec5d1d52fc82fe7130186a716887f1274.exe

pid process

1240 b54707455a020020585ad3a0ba361b5ec5d1d52fc82fe7130186a716887f1274.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

b54707455a020020585ad3a0ba361b5ec5d1d52fc82fe7130186a716887f1274.exe

description pid process

Token: SeDebugPrivilege 1240 b54707455a020020585ad3a0ba361b5ec5d1d52fc82fe7130186a716887f1274.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

DllHost.exe

pid process

1500 DllHost.exe

pid	process
1240	b54707455a020020585ad3a0ba361b5ec5d1d52fc82fe7130186a716887f1274.exe

description	pid	process
Token: SeDebugPrivilege	1240	b54707455a020020585ad3a0ba361b5ec5d1d52fc82fe7130186a716887f1274.exe

pid	process
1500	DllHost.exe

C:\Users\Admin\AppData\Local\Temp\b54707455a020020585ad3a0ba361b5ec5d1d52fc82fe7130186a716887f1274.exe
"C:\Users\Admin\AppData\Local\Temp\b54707455a020020585ad3a0ba361b5ec5d1d52fc82fe7130186a716887f1274.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1240

C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
1⤵
- Suspicious use of FindShellTrayWindow
PID:1500

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\b54707455a020020585ad3a0ba361b5ec5d1d52fc82fe7130186a716887f1274.png
Filesize
117KB

MD5
0a0823b1839c57d06191dcfcf10ce441

SHA1
22b8a65e7edc634c4ea933884390e1d9fc97712a

SHA256
2446b7c267f7d63e02a61a3fcb45141580bc2dfac5816535a774dc29b1cf564a

SHA512
f664076a549e95db7301520778311652f02967909d9abc391fe637c8de6a11ecc0ec49d3a1cd4cffc63364dcc186084d1657fcef711cb6d47b84ea536631b960

Download Submit
memory/1240-54-0x0000000074F01000-0x0000000074F03000-memory.dmp

Filesize
8KB

Download
memory/1240-55-0x00000000743D0000-0x000000007497B000-memory.dmp

Filesize
5.7MB

Download
memory/1240-56-0x00000000743D0000-0x000000007497B000-memory.dmp

Filesize
5.7MB

Download
memory/1240-59-0x00000000743D0000-0x000000007497B000-memory.dmp

Filesize
5.7MB

Download