162a506435a80ab3109bd2bd9f829eaf8f228220ff350dd102db11c481dfc4fc

Analysis

max time kernel
118s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
22/07/2024, 23:28

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General

Target

2b4abcd116797228509c1ad692478660N.exe
Size

59KB
MD5

2b4abcd116797228509c1ad692478660
SHA1

d7c5d6a867992dec236fa4f3ef69ad8a9693a809
SHA256

162a506435a80ab3109bd2bd9f829eaf8f228220ff350dd102db11c481dfc4fc
SHA512

d3e4ff58e60af702bb2bfcc297c3d3187758f576815a64a9a2a18d1eec1883a6e2f4c9303b809020ed880c761687b5520e4a337d15885630c3d6ecbfa81c0108
SSDEEP

1536:3+ZgwRdiE8cO4p1xRjfTvSq5r3ZiIZ4nouy8uh1aQ/:OeodiUO4p13b9HiIeoutuh1aQ/

Score

7^/10

persistence upx

Malware Config

Signatures

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-1-5-21-1750093773-264148664-1320403265-1000\Control Panel\International\Geo\Nation	2b4abcd116797228509c1ad692478660N.exe

Executes dropped EXE 1 IoCs

pid	Process
1684	AhnSvc.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3092-0-0x0000000000BA0000-0x0000000000BC7000-memory.dmp	upx
behavioral2/files/0x0008000000023469-2.dat	upx
behavioral2/memory/1684-7-0x0000000000780000-0x00000000007A7000-memory.dmp	upx
behavioral2/memory/3092-9-0x0000000000BA0000-0x0000000000BC7000-memory.dmp	upx
behavioral2/memory/1684-10-0x0000000000780000-0x00000000007A7000-memory.dmp	upx
behavioral2/memory/1684-11-0x0000000000780000-0x00000000007A7000-memory.dmp	upx

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"	2b4abcd116797228509c1ad692478660N.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	3092	2b4abcd116797228509c1ad692478660N.exe
Token: SeDebugPrivilege	1684	AhnSvc.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3092 wrote to memory of 1684	3092	2b4abcd116797228509c1ad692478660N.exe	86
PID 3092 wrote to memory of 1684	3092	2b4abcd116797228509c1ad692478660N.exe	86
PID 3092 wrote to memory of 1684	3092	2b4abcd116797228509c1ad692478660N.exe	86
PID 3092 wrote to memory of 1028	3092	2b4abcd116797228509c1ad692478660N.exe	87
PID 3092 wrote to memory of 1028	3092	2b4abcd116797228509c1ad692478660N.exe	87
PID 3092 wrote to memory of 1028	3092	2b4abcd116797228509c1ad692478660N.exe	87

C:\Users\Admin\AppData\Local\Temp\2b4abcd116797228509c1ad692478660N.exe
"C:\Users\Admin\AppData\Local\Temp\2b4abcd116797228509c1ad692478660N.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3092
- C:\ProgramData\AhnLab\AhnSvc.exe
  "C:\ProgramData\AhnLab\AhnSvc.exe" /run
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:1684
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\2b4abcd116797228509c1ad692478660N.exe" >> NUL
  2⤵
  PID:1028

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
59KB

MD5
cad293713cfa486d2a38ada3ab179f8b

SHA1
974ff01a4036e576e9cb1bafc04908facf4faaf6

SHA256
7bda18f00b19c7542a756b8459b6c432492264adf79fa47e04103380535b2bc2

SHA512
a44d7b1016ba8abb3dc36e9b534b196bf9824d1db351d13d1dfe902245bc650bf1949397eb88c7a08a315a2c70917f35c4ae323052ccb1822dcb3941c526ced0

Download Submit
memory/1684-7-0x0000000000780000-0x00000000007A7000-memory.dmp

Filesize
156KB

Download
memory/1684-10-0x0000000000780000-0x00000000007A7000-memory.dmp

Filesize
156KB

Download
memory/1684-11-0x0000000000780000-0x00000000007A7000-memory.dmp

Filesize
156KB

Download
memory/3092-0-0x0000000000BA0000-0x0000000000BC7000-memory.dmp

Filesize
156KB

Download
memory/3092-9-0x0000000000BA0000-0x0000000000BC7000-memory.dmp

Filesize
156KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads