0a950487e1e5fdc31fdac297adf226b604568a32517d27c5b80acd45a9c0906d

Analysis

max time kernel
150s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
03/05/2024, 18:37

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General

Target

0a950487e1e5fdc31fdac297adf226b604568a32517d27c5b80acd45a9c0906d.exe
Size

158KB
MD5

a90e18281ce3df17891957a18b82cf0f
SHA1

92934b0d8e313091f3463025fea5359413a982fb
SHA256

0a950487e1e5fdc31fdac297adf226b604568a32517d27c5b80acd45a9c0906d
SHA512

2f4b38183afe1658f92c3a7300890e28f89a54f07354e292ad51f30386a586630fa44eb89c4561513531e6a6b9d69d84f1be3e85641c21639ff33949ca83a67f
SSDEEP

1536:uvUvE3qz4ayX9ioT5Xl8lQWj1vTo5G6kvBzodfjZp4ZDp/naRRXB:PC79l86WqGzIfjZpSDp/naRRR

Score

9^/10

persistence

Malware Config

Signatures

Detects executables built or packed with MPress PE compressor 5 IoCs

resource	yara_rule
behavioral2/memory/5332-0-0x0000000000400000-0x0000000000422000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000b000000023b91-3.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/720-5-0x0000000000400000-0x0000000000422000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5332-8-0x0000000000400000-0x0000000000422000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/720-9-0x0000000000400000-0x0000000000422000-memory.dmp	INDICATOR_EXE_Packed_MPress

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-877519540-908060166-1852957295-1000\Control Panel\International\Geo\Nation	0a950487e1e5fdc31fdac297adf226b604568a32517d27c5b80acd45a9c0906d.exe

Executes dropped EXE 1 IoCs

pid	Process
720	AhnSvc.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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\AhnUpadate = "\"C:\\ProgramData\\AhnLab\\AhnSvc.exe\" /run"	0a950487e1e5fdc31fdac297adf226b604568a32517d27c5b80acd45a9c0906d.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5332	0a950487e1e5fdc31fdac297adf226b604568a32517d27c5b80acd45a9c0906d.exe
Token: SeDebugPrivilege	720	AhnSvc.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5332 wrote to memory of 720	5332	0a950487e1e5fdc31fdac297adf226b604568a32517d27c5b80acd45a9c0906d.exe	83
PID 5332 wrote to memory of 720	5332	0a950487e1e5fdc31fdac297adf226b604568a32517d27c5b80acd45a9c0906d.exe	83
PID 5332 wrote to memory of 720	5332	0a950487e1e5fdc31fdac297adf226b604568a32517d27c5b80acd45a9c0906d.exe	83
PID 5332 wrote to memory of 4836	5332	0a950487e1e5fdc31fdac297adf226b604568a32517d27c5b80acd45a9c0906d.exe	84
PID 5332 wrote to memory of 4836	5332	0a950487e1e5fdc31fdac297adf226b604568a32517d27c5b80acd45a9c0906d.exe	84
PID 5332 wrote to memory of 4836	5332	0a950487e1e5fdc31fdac297adf226b604568a32517d27c5b80acd45a9c0906d.exe	84

C:\Users\Admin\AppData\Local\Temp\0a950487e1e5fdc31fdac297adf226b604568a32517d27c5b80acd45a9c0906d.exe
"C:\Users\Admin\AppData\Local\Temp\0a950487e1e5fdc31fdac297adf226b604568a32517d27c5b80acd45a9c0906d.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5332
- C:\ProgramData\AhnLab\AhnSvc.exe
  "C:\ProgramData\AhnLab\AhnSvc.exe" /run
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:720
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\0a950487e1e5fdc31fdac297adf226b604568a32517d27c5b80acd45a9c0906d.exe" >> NUL
  2⤵
  PID:4836

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\AhnLab\AhnSvc.exe

Filesize
158KB

MD5
b76e47efcc7e735251e63b8067b81615

SHA1
8482791e23e1e55a4a5146c58791e20230ae1fd6

SHA256
43a68a3cb00b5e0147ff06f7c50c28d5f4d761067fb6adc2b61f242c0cbc6112

SHA512
ce53af1c84813ace98066aa3a8449e9b022f511b6be961057271145a81aa3ef36a6b4005553ab47227332f30ebd5d9f21bcacfffe0282e423ab14e55e13ec2d9

Download Submit
memory/720-5-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/720-9-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/5332-0-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/5332-8-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads