7da433ee6a99f239ef8ef5502a82a91ec1269789393a2e6082d2847bff8d7eb0

Analysis

max time kernel
118s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
19/07/2024, 03:39

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General

Target

4ab607520534abe3b33138f97239a5e0N.exe
Size

59KB
MD5

4ab607520534abe3b33138f97239a5e0
SHA1

a4e10c79be645129d086086514cbc394817fec73
SHA256

7da433ee6a99f239ef8ef5502a82a91ec1269789393a2e6082d2847bff8d7eb0
SHA512

14559ca81e476fb259d23136f78a541ab71aeba5f5d2e691c25ff583ae8af56c670b374b30fd10a26b2ea90917e1f524b9893a1f51d5279a17a19d4560fca45a
SSDEEP

1536:3+ZgwRdiE8cO4p1xRjfTvSq5r3ZiIZ4nouy8uh1aQb:OeodiUO4p13b9HiIeoutuh1aQb

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-1-5-21-701583114-2636601053-947405450-1000\Control Panel\International\Geo\Nation	4ab607520534abe3b33138f97239a5e0N.exe

Executes dropped EXE 1 IoCs

pid	Process
3900	AhnSvc.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4168-0-0x0000000000A40000-0x0000000000A67000-memory.dmp	upx
behavioral2/files/0x00080000000234c3-3.dat	upx
behavioral2/memory/3900-4-0x00000000004D0000-0x00000000004F7000-memory.dmp	upx
behavioral2/memory/4168-8-0x0000000000A40000-0x0000000000A67000-memory.dmp	upx
behavioral2/memory/3900-9-0x00000000004D0000-0x00000000004F7000-memory.dmp	upx
behavioral2/memory/3900-11-0x00000000004D0000-0x00000000004F7000-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"	4ab607520534abe3b33138f97239a5e0N.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	4168	4ab607520534abe3b33138f97239a5e0N.exe
Token: SeDebugPrivilege	3900	AhnSvc.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4168 wrote to memory of 3900	4168	4ab607520534abe3b33138f97239a5e0N.exe	84
PID 4168 wrote to memory of 3900	4168	4ab607520534abe3b33138f97239a5e0N.exe	84
PID 4168 wrote to memory of 3900	4168	4ab607520534abe3b33138f97239a5e0N.exe	84
PID 4168 wrote to memory of 5060	4168	4ab607520534abe3b33138f97239a5e0N.exe	85
PID 4168 wrote to memory of 5060	4168	4ab607520534abe3b33138f97239a5e0N.exe	85
PID 4168 wrote to memory of 5060	4168	4ab607520534abe3b33138f97239a5e0N.exe	85

C:\Users\Admin\AppData\Local\Temp\4ab607520534abe3b33138f97239a5e0N.exe
"C:\Users\Admin\AppData\Local\Temp\4ab607520534abe3b33138f97239a5e0N.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4168
- C:\ProgramData\AhnLab\AhnSvc.exe
  "C:\ProgramData\AhnLab\AhnSvc.exe" /run
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:3900
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\4ab607520534abe3b33138f97239a5e0N.exe" >> NUL
  2⤵
  PID:5060

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
d329ed1d890a4109d3924780b6b79d93

SHA1
bc181993cdc7f79023d5677739bdd51d455933ed

SHA256
83626b041cbe9752edd0c350e72856ddc988b3714b3113b9131c14b3753f080f

SHA512
cae60f467dde1e2826ecbb21deb9512581910442f7875b625fc3e63dca864c7b2605b60a3a36e669a99b66b842abf1641a3991d99e25394ae47cb3c78fbcc944

Download Submit
memory/3900-4-0x00000000004D0000-0x00000000004F7000-memory.dmp

Filesize
156KB

Download
memory/3900-9-0x00000000004D0000-0x00000000004F7000-memory.dmp

Filesize
156KB

Download
memory/3900-11-0x00000000004D0000-0x00000000004F7000-memory.dmp

Filesize
156KB

Download
memory/4168-0-0x0000000000A40000-0x0000000000A67000-memory.dmp

Filesize
156KB

Download
memory/4168-8-0x0000000000A40000-0x0000000000A67000-memory.dmp

Filesize
156KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads