c4d36accd6fa7307e7aaa17633e44df901bc75446bf83de6ba06ab03722b1611

Analysis

max time kernel
141s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
04/10/2023, 14:54

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General

Target

c4d36accd6fa7307e7aaa17633e44df901bc75446bf83de6ba06ab03722b1611.exe
Size

199KB
MD5

22ae69154d99c2e8c5b9ace329f74b5b
SHA1

fd364b5a139d15ad0328f6adc3e0b2954220c478
SHA256

c4d36accd6fa7307e7aaa17633e44df901bc75446bf83de6ba06ab03722b1611
SHA512

291507c6b65513ce91800da6f576904ae5af94f23516da131d1bd692e7dc008d3a700be4ca14cc42be514e144efa55b1c12efc350108969a01575a46af3f140c
SSDEEP

6144:rBs27MMLyX5HXXXDTXXXOGqIII+pXXX5AYjKXXXDoXXXG6XXXxXXXLIIIEAkOCOF:rK20HXXX/XXXFqIIIcXXX5j2XXXcXXX8

Score

7^/10

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-1-5-21-3027552071-446050021-1254071215-1000\Control Panel\International\Geo\Nation	c4d36accd6fa7307e7aaa17633e44df901bc75446bf83de6ba06ab03722b1611.exe

Executes dropped EXE 1 IoCs

pid	Process
4992	wmahost.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Debug\wmahost.exe	c4d36accd6fa7307e7aaa17633e44df901bc75446bf83de6ba06ab03722b1611.exe
File opened for modification	C:\Windows\Debug\wmahost.exe	c4d36accd6fa7307e7aaa17633e44df901bc75446bf83de6ba06ab03722b1611.exe

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

System Information Discovery
T1082

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	692	c4d36accd6fa7307e7aaa17633e44df901bc75446bf83de6ba06ab03722b1611.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 692 wrote to memory of 4540	692	c4d36accd6fa7307e7aaa17633e44df901bc75446bf83de6ba06ab03722b1611.exe	87
PID 692 wrote to memory of 4540	692	c4d36accd6fa7307e7aaa17633e44df901bc75446bf83de6ba06ab03722b1611.exe	87
PID 692 wrote to memory of 4540	692	c4d36accd6fa7307e7aaa17633e44df901bc75446bf83de6ba06ab03722b1611.exe	87

C:\Users\Admin\AppData\Local\Temp\c4d36accd6fa7307e7aaa17633e44df901bc75446bf83de6ba06ab03722b1611.exe
"C:\Users\Admin\AppData\Local\Temp\c4d36accd6fa7307e7aaa17633e44df901bc75446bf83de6ba06ab03722b1611.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:692
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\C4D36A~1.EXE > nul
  2⤵
  PID:4540

C:\Windows\Debug\wmahost.exe
C:\Windows\Debug\wmahost.exe
1⤵
- Executes dropped EXE
- Checks processor information in registry
PID:4992

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\Debug\wmahost.exe

Filesize
199KB

MD5
89dda53bbbe9103247cde98708bbe87a

SHA1
2873f4a23d18934644770110f0e5992363398102

SHA256
0c41730de870da889a989adc3807dfb0059492ddba87d1c57ce32fba6bb2451a

SHA512
999714b8abb54465809fff0266080cf751ec8805b8d4c8d6471e6de86c75fe59269da40caab48c2e4936f291423e233876631d0b67b876a62fa941371d32cfa2

Download Submit
C:\Windows\debug\wmahost.exe

Filesize
199KB

MD5
89dda53bbbe9103247cde98708bbe87a

SHA1
2873f4a23d18934644770110f0e5992363398102

SHA256
0c41730de870da889a989adc3807dfb0059492ddba87d1c57ce32fba6bb2451a

SHA512
999714b8abb54465809fff0266080cf751ec8805b8d4c8d6471e6de86c75fe59269da40caab48c2e4936f291423e233876631d0b67b876a62fa941371d32cfa2

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads