0aa2292189e7e63f15112f0cb3fab5b1ed30d6365acda218730dbc40f78b9ada

Analysis

max time kernel
79s
max time network
100s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
11-06-2024 18:32

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General

Target

0aa2292189e7e63f15112f0cb3fab5b1ed30d6365acda218730dbc40f78b9ada.exe
Size

134KB
MD5

6b1bad536c46554ec1028b0f69c3d250
SHA1

25a1225122029522b51c191d637c5a79958c63c1
SHA256

0aa2292189e7e63f15112f0cb3fab5b1ed30d6365acda218730dbc40f78b9ada
SHA512

fc21931a807ad631b8f8b7a3355ff4a55f9003de089fe67211c21c3905d8377b7dae7274312492dc68fea4718c4667aef998764d56756e75ba1134422ac01542
SSDEEP

1536:YGYU/W2/HG6QMauSV3ixJHABLrmhH7i9eNOOg00GqMIK7aGZh3SOU:YfU/WF6QMauSuiWNi9eNOl0007NZIOU

Score

9^/10

persistence upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 5 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1744-1-0x0000000000800000-0x0000000000828000-memory.dmp	UPX
behavioral2/memory/3484-4-0x0000000000860000-0x0000000000888000-memory.dmp	UPX
C:\ProgramData\Update\wuauclt.exe	UPX
behavioral2/memory/3484-6-0x0000000000860000-0x0000000000888000-memory.dmp	UPX
behavioral2/memory/1744-7-0x0000000000800000-0x0000000000828000-memory.dmp	UPX

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

Processes:

0aa2292189e7e63f15112f0cb3fab5b1ed30d6365acda218730dbc40f78b9ada.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation	0aa2292189e7e63f15112f0cb3fab5b1ed30d6365acda218730dbc40f78b9ada.exe

Executes dropped EXE 1 IoCs

Processes:

wuauclt.exe

pid process

3484 wuauclt.exe

pid	process
3484	wuauclt.exe

UPX packed file 5 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/1744-1-0x0000000000800000-0x0000000000828000-memory.dmp	upx
behavioral2/memory/3484-4-0x0000000000860000-0x0000000000888000-memory.dmp	upx
C:\ProgramData\Update\wuauclt.exe	upx
behavioral2/memory/3484-6-0x0000000000860000-0x0000000000888000-memory.dmp	upx
behavioral2/memory/1744-7-0x0000000000800000-0x0000000000828000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

0aa2292189e7e63f15112f0cb3fab5b1ed30d6365acda218730dbc40f78b9ada.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Window Update = "\"C:\\ProgramData\\Update\\wuauclt.exe\" /run"	0aa2292189e7e63f15112f0cb3fab5b1ed30d6365acda218730dbc40f78b9ada.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

0aa2292189e7e63f15112f0cb3fab5b1ed30d6365acda218730dbc40f78b9ada.exe

description	pid	process	target process
PID 1744 wrote to memory of 3484	1744	0aa2292189e7e63f15112f0cb3fab5b1ed30d6365acda218730dbc40f78b9ada.exe	wuauclt.exe
PID 1744 wrote to memory of 3484	1744	0aa2292189e7e63f15112f0cb3fab5b1ed30d6365acda218730dbc40f78b9ada.exe	wuauclt.exe
PID 1744 wrote to memory of 3484	1744	0aa2292189e7e63f15112f0cb3fab5b1ed30d6365acda218730dbc40f78b9ada.exe	wuauclt.exe
PID 1744 wrote to memory of 2204	1744	0aa2292189e7e63f15112f0cb3fab5b1ed30d6365acda218730dbc40f78b9ada.exe	cmd.exe
PID 1744 wrote to memory of 2204	1744	0aa2292189e7e63f15112f0cb3fab5b1ed30d6365acda218730dbc40f78b9ada.exe	cmd.exe
PID 1744 wrote to memory of 2204	1744	0aa2292189e7e63f15112f0cb3fab5b1ed30d6365acda218730dbc40f78b9ada.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\0aa2292189e7e63f15112f0cb3fab5b1ed30d6365acda218730dbc40f78b9ada.exe
"C:\Users\Admin\AppData\Local\Temp\0aa2292189e7e63f15112f0cb3fab5b1ed30d6365acda218730dbc40f78b9ada.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1744

C:\ProgramData\Update\wuauclt.exe
"C:\ProgramData\Update\wuauclt.exe" /run
2⤵
- Executes dropped EXE
PID:3484

C:\windows\SysWOW64\cmd.exe
"C:\windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\0aa2292189e7e63f15112f0cb3fab5b1ed30d6365acda218730dbc40f78b9ada.exe" >> NUL
2⤵
PID:2204

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\ProgramData\Update\wuauclt.exe
Filesize
134KB

MD5
f990a7176d4e000ce5e7d2401aa153a8

SHA1
2402fbe4ce64204e6c7b0681beda198ee5d6f79d

SHA256
4f1a4d132db071dca8ee03bff24f85603dbfad0c70f7cfd8b6b008b5d9ee1704

SHA512
6670ac4fb689b4be952bc1cd04c56c2b692c2156a5c40808a5c3bafed8e9335d09f4b7ab4ffbeb221723294934a8cfe657bf1bc808632d5c87387d688640389d

Download Submit
memory/1744-1-0x0000000000800000-0x0000000000828000-memory.dmp

Filesize
160KB

Download
memory/1744-7-0x0000000000800000-0x0000000000828000-memory.dmp

Filesize
160KB

Download
memory/3484-4-0x0000000000860000-0x0000000000888000-memory.dmp

Filesize
160KB

Download
memory/3484-6-0x0000000000860000-0x0000000000888000-memory.dmp

Filesize
160KB

Download