869889a731cf98ae660055f4329c0996086e973b291109f25e8dfda65d78dfdf

General

Target

0dce765b71c45c2a6bb06f9184160f10N.exe
Size

59KB
MD5

0dce765b71c45c2a6bb06f9184160f10
SHA1

a315c885040bdc842adc567cc09a724e7769845f
SHA256

869889a731cf98ae660055f4329c0996086e973b291109f25e8dfda65d78dfdf
SHA512

3075f8fd42813dd942414184f29cb8efc11958103bc91c8afba4ea32c997b21564fdef3d15f4bd3991982cb70b6166fe4dd6b632b2c270d5c805689a7082ed68
SSDEEP

1536:3+ZgwRdiE8cO4p1xRjfTvSq5r3ZiIZ4nouy8uh1aQx:OeodiUO4p13b9HiIeoutuh1aQx

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-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation	0dce765b71c45c2a6bb06f9184160f10N.exe

Executes dropped EXE 1 IoCs

pid	Process
5024	AhnSvc.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1320-0-0x0000000000240000-0x0000000000267000-memory.dmp	upx
behavioral2/files/0x0008000000023478-3.dat	upx
behavioral2/memory/5024-5-0x0000000000740000-0x0000000000767000-memory.dmp	upx
behavioral2/memory/1320-8-0x0000000000240000-0x0000000000267000-memory.dmp	upx
behavioral2/memory/5024-9-0x0000000000740000-0x0000000000767000-memory.dmp	upx
behavioral2/memory/5024-10-0x0000000000740000-0x0000000000767000-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"	0dce765b71c45c2a6bb06f9184160f10N.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	0dce765b71c45c2a6bb06f9184160f10N.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	1320	0dce765b71c45c2a6bb06f9184160f10N.exe
Token: SeDebugPrivilege	5024	AhnSvc.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1320 wrote to memory of 5024	1320	0dce765b71c45c2a6bb06f9184160f10N.exe	84
PID 1320 wrote to memory of 5024	1320	0dce765b71c45c2a6bb06f9184160f10N.exe	84
PID 1320 wrote to memory of 5024	1320	0dce765b71c45c2a6bb06f9184160f10N.exe	84
PID 1320 wrote to memory of 1440	1320	0dce765b71c45c2a6bb06f9184160f10N.exe	86
PID 1320 wrote to memory of 1440	1320	0dce765b71c45c2a6bb06f9184160f10N.exe	86
PID 1320 wrote to memory of 1440	1320	0dce765b71c45c2a6bb06f9184160f10N.exe	86

C:\Users\Admin\AppData\Local\Temp\0dce765b71c45c2a6bb06f9184160f10N.exe
"C:\Users\Admin\AppData\Local\Temp\0dce765b71c45c2a6bb06f9184160f10N.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:1320
- 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:5024
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\0dce765b71c45c2a6bb06f9184160f10N.exe" >> NUL
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1440

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
9aadbcf5e21ccb33b12a968929ec1b3b

SHA1
679e5f52939c079a2c9b31b743a8a0addd8e8d09

SHA256
447fc6bfacda81fe34eb733f05906e34ece5481784c68357e0bdd89060398dec

SHA512
23c6b88fa52a1be9ff0669df104601fe6390123c9abfbaf1dddf39018a172fe6884997951c1474f6fd01970b3af3cbd0626733d70cd1cd54a0a765c6340651f3

Download Submit
memory/1320-0-0x0000000000240000-0x0000000000267000-memory.dmp

Filesize
156KB

Download
memory/1320-8-0x0000000000240000-0x0000000000267000-memory.dmp

Filesize
156KB

Download
memory/5024-5-0x0000000000740000-0x0000000000767000-memory.dmp

Filesize
156KB

Download
memory/5024-9-0x0000000000740000-0x0000000000767000-memory.dmp

Filesize
156KB

Download
memory/5024-10-0x0000000000740000-0x0000000000767000-memory.dmp

Filesize
156KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads