759271d155300828f936887041c5f7a91f490c4fb603e45b34705d47ce6ae1b4

Analysis

max time kernel
111s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
14-10-2024 03:18

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General

Target

759271d155300828f936887041c5f7a91f490c4fb603e45b34705d47ce6ae1b4N.exe
Size

50KB
MD5

52908cc17e4fe3bb780a03deecdb3e30
SHA1

f1f663aad36b2fabc4f457a4fff71368f07a0274
SHA256

759271d155300828f936887041c5f7a91f490c4fb603e45b34705d47ce6ae1b4
SHA512

fbaaa99af83e40ed7c70790304298706ecb6dd295bc391a04f73f343e2c7e23cbd1fad87b67599780a8b91eb70e2ec97a2c70682b141117351bcf97f26e45672
SSDEEP

768:hvQ5qDLHRdw2iPSMEk/6KMvu571xBmPU96cyXH9zlll8555gA:hvQoLHjw2iWPKMvw71/RLyXfA

Score

7^/10

defense_evasion discovery

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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	759271d155300828f936887041c5f7a91f490c4fb603e45b34705d47ce6ae1b4N.exe

Executes dropped EXE 1 IoCs

pid	Process
1540	wmahost.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 2 IoCs

description	ioc	Process
File created	C:\Windows\Debug\wmahost.exe	759271d155300828f936887041c5f7a91f490c4fb603e45b34705d47ce6ae1b4N.exe
File opened for modification	C:\Windows\Debug\wmahost.exe	759271d155300828f936887041c5f7a91f490c4fb603e45b34705d47ce6ae1b4N.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 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	759271d155300828f936887041c5f7a91f490c4fb603e45b34705d47ce6ae1b4N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmahost.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 opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	wmahost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	wmahost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1628	759271d155300828f936887041c5f7a91f490c4fb603e45b34705d47ce6ae1b4N.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1628 wrote to memory of 4816	1628	759271d155300828f936887041c5f7a91f490c4fb603e45b34705d47ce6ae1b4N.exe	89
PID 1628 wrote to memory of 4816	1628	759271d155300828f936887041c5f7a91f490c4fb603e45b34705d47ce6ae1b4N.exe	89
PID 1628 wrote to memory of 4816	1628	759271d155300828f936887041c5f7a91f490c4fb603e45b34705d47ce6ae1b4N.exe	89

C:\Users\Admin\AppData\Local\Temp\759271d155300828f936887041c5f7a91f490c4fb603e45b34705d47ce6ae1b4N.exe
"C:\Users\Admin\AppData\Local\Temp\759271d155300828f936887041c5f7a91f490c4fb603e45b34705d47ce6ae1b4N.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:1628
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\759271~1.EXE > nul
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4816

C:\Windows\Debug\wmahost.exe
C:\Windows\Debug\wmahost.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Checks processor information in registry
PID:1540

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Indicator Removal

T1070

File Deletion

T1070.004

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\debug\wmahost.exe

Filesize
50KB

MD5
6ca69c9b4064344529abdb633b495c61

SHA1
4a8a13b657bccd4e5dffd4a220f4e0173e0747bd

SHA256
91fe02426f4346f9dc1307aeeb901e752847e82809a795e18ef2b65bfecf55d4

SHA512
d70db8b042337f68f9a4a6d571eb3b8a3f90f8b3f0bdbbf94f3fadd13dda5f09e911467bf37cac4ba49baaeab5f43a532b9e96f7356740dc1489d3f3521cee20

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads