6ae51550fbb367df3fe126e117d7c687ee230a593649451a74a2156e24905cbd

General

Target

6ae51550fbb367df3fe126e117d7c687ee230a593649451a74a2156e24905cbd.exe
Size

59KB
MD5

d8ab3e58b3bcf86a133d521c9dbdb077
SHA1

c1915b143776143609e8d3f1a5323286ecad07f5
SHA256

6ae51550fbb367df3fe126e117d7c687ee230a593649451a74a2156e24905cbd
SHA512

314f27c9dfd08440be4f70b0d2d3398842f5cc0c03b926725a5e745baa26593ab08f3e4ec44148c45d25f65d3c97f8697da41da8eba842379a20822ec458712c
SSDEEP

1536:3+ZgwRdiE8cO4p1xRjfTvSq5r3ZiIZ4nouy8uh1aQI:OeodiUO4p13b9HiIeoutuh1aQI

Score

7^/10

defense_evasion discovery 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-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	6ae51550fbb367df3fe126e117d7c687ee230a593649451a74a2156e24905cbd.exe

Executes dropped EXE 1 IoCs

pid	Process
1376	AhnSvc.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/552-0-0x0000000000340000-0x0000000000367000-memory.dmp	upx
behavioral2/files/0x0007000000023398-3.dat	upx
behavioral2/memory/1376-4-0x0000000000A70000-0x0000000000A97000-memory.dmp	upx
behavioral2/memory/552-8-0x0000000000340000-0x0000000000367000-memory.dmp	upx
behavioral2/memory/1376-9-0x0000000000A70000-0x0000000000A97000-memory.dmp	upx
behavioral2/memory/1376-10-0x0000000000A70000-0x0000000000A97000-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"	6ae51550fbb367df3fe126e117d7c687ee230a593649451a74a2156e24905cbd.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6ae51550fbb367df3fe126e117d7c687ee230a593649451a74a2156e24905cbd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AhnSvc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	552	6ae51550fbb367df3fe126e117d7c687ee230a593649451a74a2156e24905cbd.exe
Token: SeDebugPrivilege	1376	AhnSvc.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 552 wrote to memory of 1376	552	6ae51550fbb367df3fe126e117d7c687ee230a593649451a74a2156e24905cbd.exe	83
PID 552 wrote to memory of 1376	552	6ae51550fbb367df3fe126e117d7c687ee230a593649451a74a2156e24905cbd.exe	83
PID 552 wrote to memory of 1376	552	6ae51550fbb367df3fe126e117d7c687ee230a593649451a74a2156e24905cbd.exe	83
PID 552 wrote to memory of 1260	552	6ae51550fbb367df3fe126e117d7c687ee230a593649451a74a2156e24905cbd.exe	86
PID 552 wrote to memory of 1260	552	6ae51550fbb367df3fe126e117d7c687ee230a593649451a74a2156e24905cbd.exe	86
PID 552 wrote to memory of 1260	552	6ae51550fbb367df3fe126e117d7c687ee230a593649451a74a2156e24905cbd.exe	86

C:\Users\Admin\AppData\Local\Temp\6ae51550fbb367df3fe126e117d7c687ee230a593649451a74a2156e24905cbd.exe
"C:\Users\Admin\AppData\Local\Temp\6ae51550fbb367df3fe126e117d7c687ee230a593649451a74a2156e24905cbd.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:552
- C:\ProgramData\AhnLab\AhnSvc.exe
  "C:\ProgramData\AhnLab\AhnSvc.exe" /run
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1376
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\6ae51550fbb367df3fe126e117d7c687ee230a593649451a74a2156e24905cbd.exe" >> NUL
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1260

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Indicator Removal

1

T1070

File Deletion

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\AhnLab\AhnSvc.exe

Filesize
59KB

MD5
a7d3db8046220658dce7417bbb87eac4

SHA1
8cf6088ef51165e81ed3c8d2841824bb8fba96a3

SHA256
bb26e55cbb93d8117bf62598fcf7d7fd5b315e5e29b46fe5bf130347e2b9b82f

SHA512
eb9be7284d141137d6e2b54ddac39b95af403c414f2cf25d349828b0c6191c4906a984ca6af9f5b89c7eed9e95ec817055c3226120d016256119c582323a6298

Download Submit
memory/552-0-0x0000000000340000-0x0000000000367000-memory.dmp

Filesize
156KB

Download
memory/552-8-0x0000000000340000-0x0000000000367000-memory.dmp

Filesize
156KB

Download
memory/1376-4-0x0000000000A70000-0x0000000000A97000-memory.dmp

Filesize
156KB

Download
memory/1376-9-0x0000000000A70000-0x0000000000A97000-memory.dmp

Filesize
156KB

Download
memory/1376-10-0x0000000000A70000-0x0000000000A97000-memory.dmp

Filesize
156KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads