a13f2ecc72c675d45a3d55bfb289ee3a180d11221a17c4d168d8f451fe434f4d

Analysis

max time kernel
119s
max time network
122s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
08/08/2023, 07:32

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General

Target

EhJ.exe
Size

2.5MB
MD5

5ae62cc181ad871edb6bfa7f3f52ad14
SHA1

cacbbb9a46ee8522e92ea2bc5009454f26ffb271
SHA256

a13f2ecc72c675d45a3d55bfb289ee3a180d11221a17c4d168d8f451fe434f4d
SHA512

be52bc8fb312b7be26bf31b86700e467c9062c7e9a41a432c0ebacc231e53a9e8b6e025b54c2ba9cc73b120bf70473db2069b0baefcf8fda5d2300792bfdade9
SSDEEP

49152:wqdLduUVoqzOegfwSpJCBP8zEGyuJujR98:w8Ju5qKqAED

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2240	Ox4tRBE.exe

Loads dropped DLL 1 IoCs

pid	Process
2976	EhJ.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000\Software\Microsoft\Windows\CurrentVersion\Run\EJytngYdcB = "C:\\Users\\Admin\\AppData\\Roaming\\Gtzrl\\Ox4tRBE.exe"	Ox4tRBE.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2976 wrote to memory of 2240	2976	EhJ.exe	28
PID 2976 wrote to memory of 2240	2976	EhJ.exe	28
PID 2976 wrote to memory of 2240	2976	EhJ.exe	28
PID 2976 wrote to memory of 2240	2976	EhJ.exe	28

C:\Users\Admin\AppData\Local\Temp\EhJ.exe
"C:\Users\Admin\AppData\Local\Temp\EhJ.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2976
- C:\Users\Admin\AppData\Roaming\Gtzrl\Ox4tRBE.exe
  "C:\Users\Admin\AppData\Roaming\Gtzrl\Ox4tRBE.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  PID:2240

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Gtzrl\Ox4tRBE.exe

Filesize
2.5MB

MD5
5ae62cc181ad871edb6bfa7f3f52ad14

SHA1
cacbbb9a46ee8522e92ea2bc5009454f26ffb271

SHA256
a13f2ecc72c675d45a3d55bfb289ee3a180d11221a17c4d168d8f451fe434f4d

SHA512
be52bc8fb312b7be26bf31b86700e467c9062c7e9a41a432c0ebacc231e53a9e8b6e025b54c2ba9cc73b120bf70473db2069b0baefcf8fda5d2300792bfdade9

Download Submit
\Users\Admin\AppData\Roaming\Gtzrl\Ox4tRBE.exe

Filesize
2.5MB

MD5
5ae62cc181ad871edb6bfa7f3f52ad14

SHA1
cacbbb9a46ee8522e92ea2bc5009454f26ffb271

SHA256
a13f2ecc72c675d45a3d55bfb289ee3a180d11221a17c4d168d8f451fe434f4d

SHA512
be52bc8fb312b7be26bf31b86700e467c9062c7e9a41a432c0ebacc231e53a9e8b6e025b54c2ba9cc73b120bf70473db2069b0baefcf8fda5d2300792bfdade9

Download Submit
memory/2240-67-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2240-68-0x0000000000400000-0x0000000000716000-memory.dmp

Filesize
3.1MB

Download
memory/2976-54-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2976-61-0x0000000000400000-0x0000000000716000-memory.dmp

Filesize
3.1MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads