1815df2402a9fd0388c8e6f633d50f05ae0614337311c3d7d6a4bf052e903adc

Analysis

max time kernel
147s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
05/03/2024, 09:13

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General

Target

b455e96c363ef74667a35263e1fdfa90.exe
Size

82KB
MD5

b455e96c363ef74667a35263e1fdfa90
SHA1

bc36f6f034bbc50c9c119ff2de938c1a98d4bebc
SHA256

1815df2402a9fd0388c8e6f633d50f05ae0614337311c3d7d6a4bf052e903adc
SHA512

7b38a07d79be0e1fe3790de419c9aa0de7dc93d394281351b898f99f65cb46556f01bb196de22344111b0b9ee5a873bd422a6a0a8da3d96bda89b625f991f93f
SSDEEP

768:cvQ5qDLHRdw2iPSMEk/6KMvu571xuEMs96cyX1869bYpYyTSY/YjvK0fdeeeD11y:cvQoLHjw2iWPKMvw71sMLyXuHr0Veee2

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-1-5-21-399997616-3400990511-967324271-1000\Control Panel\International\Geo\Nation	b455e96c363ef74667a35263e1fdfa90.exe

Executes dropped EXE 1 IoCs

pid	Process
2120	vewhost.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Debug\vewhost.exe	b455e96c363ef74667a35263e1fdfa90.exe
File opened for modification	C:\Windows\Debug\vewhost.exe	b455e96c363ef74667a35263e1fdfa90.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2408	b455e96c363ef74667a35263e1fdfa90.exe
Token: SeManageVolumePrivilege	5076	svchost.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2408 wrote to memory of 3448	2408	b455e96c363ef74667a35263e1fdfa90.exe	92
PID 2408 wrote to memory of 3448	2408	b455e96c363ef74667a35263e1fdfa90.exe	92
PID 2408 wrote to memory of 3448	2408	b455e96c363ef74667a35263e1fdfa90.exe	92

C:\Users\Admin\AppData\Local\Temp\b455e96c363ef74667a35263e1fdfa90.exe
"C:\Users\Admin\AppData\Local\Temp\b455e96c363ef74667a35263e1fdfa90.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2408
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\B455E9~1.EXE > nul
  2⤵
  PID:3448

C:\Windows\Debug\vewhost.exe
C:\Windows\Debug\vewhost.exe
1⤵
- Executes dropped EXE
PID:2120

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
1⤵
PID:3924

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k UnistackSvcGroup
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:5076

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

Replay Monitor

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Downloads

C:\Windows\debug\vewhost.exe

Filesize
82KB

MD5
f2b60fb36ae6fc8bfecc6fd9248e203f

SHA1
fbe5d0691007643ced8a4b2e5263731cee96cde1

SHA256
b3f14a8e33d44c37ae880760362896b3bad3b5ca7a17aa59eaf8070e54d4bbbd

SHA512
ee10aed18fcb89144b8e1734a2234e2359154d0d30278f3dd28da33d0480f646747998560465052e56bcbf5e0eac019e06661f7fa82fbaeef0a623e2a5abe644

Download Submit
memory/5076-4-0x000001D18C040000-0x000001D18C050000-memory.dmp

Filesize
64KB

Download
memory/5076-20-0x000001D18C140000-0x000001D18C150000-memory.dmp

Filesize
64KB

Download
memory/5076-36-0x000001D1946F0000-0x000001D1946F1000-memory.dmp

Filesize
4KB

Download
memory/5076-37-0x000001D194710000-0x000001D194711000-memory.dmp

Filesize
4KB

Download
memory/5076-38-0x000001D194710000-0x000001D194711000-memory.dmp

Filesize
4KB

Download
memory/5076-39-0x000001D194710000-0x000001D194711000-memory.dmp

Filesize
4KB

Download
memory/5076-40-0x000001D194710000-0x000001D194711000-memory.dmp

Filesize
4KB

Download
memory/5076-41-0x000001D194710000-0x000001D194711000-memory.dmp

Filesize
4KB

Download
memory/5076-42-0x000001D194710000-0x000001D194711000-memory.dmp

Filesize
4KB

Download
memory/5076-43-0x000001D194710000-0x000001D194711000-memory.dmp

Filesize
4KB

Download
memory/5076-44-0x000001D194710000-0x000001D194711000-memory.dmp

Filesize
4KB

Download
memory/5076-45-0x000001D194710000-0x000001D194711000-memory.dmp

Filesize
4KB

Download
memory/5076-46-0x000001D194710000-0x000001D194711000-memory.dmp

Filesize
4KB

Download
memory/5076-47-0x000001D194340000-0x000001D194341000-memory.dmp

Filesize
4KB

Download
memory/5076-48-0x000001D194330000-0x000001D194331000-memory.dmp

Filesize
4KB

Download
memory/5076-50-0x000001D194340000-0x000001D194341000-memory.dmp

Filesize
4KB

Download
memory/5076-53-0x000001D194330000-0x000001D194331000-memory.dmp

Filesize
4KB

Download
memory/5076-56-0x000001D194270000-0x000001D194271000-memory.dmp

Filesize
4KB

Download
memory/5076-68-0x000001D194470000-0x000001D194471000-memory.dmp

Filesize
4KB

Download
memory/5076-70-0x000001D194480000-0x000001D194481000-memory.dmp

Filesize
4KB

Download
memory/5076-71-0x000001D194480000-0x000001D194481000-memory.dmp

Filesize
4KB

Download
memory/5076-72-0x000001D194590000-0x000001D194591000-memory.dmp

Filesize
4KB

Download