5f3740b0c0b4bb36baca84c6fc77b0d6c093c78ecf39090521960c133ced3c47

General

Target

5f3740b0c0b4bb36baca84c6fc77b0d6c093c78ecf39090521960c133ced3c47N.exe
Size

75KB
MD5

af9d86da05c1ae1770bc899109dff5d0
SHA1

ed64947f336b7c5cd34d9e8fb0a27020910989b6
SHA256

5f3740b0c0b4bb36baca84c6fc77b0d6c093c78ecf39090521960c133ced3c47
SHA512

652e36c1ac1ded2319c825d6e32fe87680cac91fdc89f7d8db38b4df69ca465ac743cede4ff3ff9fd741fb4630e0bd42aba8e73aa346dfc24d9d027d8451e77d
SSDEEP

768:ZrItKyw5WHXfQmjIiIk9ecAx7pP1EPU96MyXPdtldE9bIIIwjkkvvvx:Zr3Z5IfQmv81x7pP1r3yXPdtnyjvvvvx

Score

8^/10

defense_evasion discovery evasion

Malware Config

Signatures

Sets file to hidden 1 TTPs 1 IoCs

Modifies file attributes to stop it showing in Explorer etc.

evasion

Hidden Files and Directories

T1564.001

pid	Process
2772	attrib.exe

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-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	5f3740b0c0b4bb36baca84c6fc77b0d6c093c78ecf39090521960c133ced3c47N.exe

Executes dropped EXE 1 IoCs

pid	Process
1076	akmhost.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

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\Debug\akmhost.exe	5f3740b0c0b4bb36baca84c6fc77b0d6c093c78ecf39090521960c133ced3c47N.exe
File opened for modification	C:\Windows\Debug\akmhost.exe	5f3740b0c0b4bb36baca84c6fc77b0d6c093c78ecf39090521960c133ced3c47N.exe
File opened for modification	C:\Windows\Debug\akmhost.exe	attrib.exe

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 4 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	5f3740b0c0b4bb36baca84c6fc77b0d6c093c78ecf39090521960c133ced3c47N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	akmhost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	akmhost.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	akmhost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	756	5f3740b0c0b4bb36baca84c6fc77b0d6c093c78ecf39090521960c133ced3c47N.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 756 wrote to memory of 2772	756	5f3740b0c0b4bb36baca84c6fc77b0d6c093c78ecf39090521960c133ced3c47N.exe	82
PID 756 wrote to memory of 2772	756	5f3740b0c0b4bb36baca84c6fc77b0d6c093c78ecf39090521960c133ced3c47N.exe	82
PID 756 wrote to memory of 2772	756	5f3740b0c0b4bb36baca84c6fc77b0d6c093c78ecf39090521960c133ced3c47N.exe	82
PID 756 wrote to memory of 1396	756	5f3740b0c0b4bb36baca84c6fc77b0d6c093c78ecf39090521960c133ced3c47N.exe	85
PID 756 wrote to memory of 1396	756	5f3740b0c0b4bb36baca84c6fc77b0d6c093c78ecf39090521960c133ced3c47N.exe	85
PID 756 wrote to memory of 1396	756	5f3740b0c0b4bb36baca84c6fc77b0d6c093c78ecf39090521960c133ced3c47N.exe	85

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2772	attrib.exe

C:\Users\Admin\AppData\Local\Temp\5f3740b0c0b4bb36baca84c6fc77b0d6c093c78ecf39090521960c133ced3c47N.exe
"C:\Users\Admin\AppData\Local\Temp\5f3740b0c0b4bb36baca84c6fc77b0d6c093c78ecf39090521960c133ced3c47N.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:756
- C:\Windows\SysWOW64\attrib.exe
  attrib +a +s +h +r C:\Windows\Debug\akmhost.exe
  2⤵
  - Sets file to hidden
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Views/modifies file attributes
  PID:2772
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\5F3740~1.EXE > nul
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1396

C:\Windows\Debug\akmhost.exe
C:\Windows\Debug\akmhost.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Checks processor information in registry
PID:1076

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

2

T1564

Hidden Files and Directories

2

T1564.001

Indicator Removal

1

T1070

File Deletion

1

T1070.004

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

3

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:\Windows\debug\akmhost.exe

Filesize
75KB

MD5
c1633a2803d3e7667fed7c054c6fb162

SHA1
60ea0b667d8e1351fd0b83701f259596207146e0

SHA256
fc67bb5e7e9a2c3e0d7f668d84d520d6e1af521b19d2f30883a8d983fa484f92

SHA512
253c04d8bb16476ffeb4a77ecba7caa195169afd1c786124849d3a83ae4c1c2950d15da1ad47d294570967f8910594e422be2f4a0e174bbb8404e5d2ef03da23

Download Submit
memory/756-0-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/1076-5-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/1076-6-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads