f81b9ca34f6d4761c2b5177a68f228937b58086c1e74bbe6081db876fc9dbb44

Analysis

max time kernel
134s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
22-05-2024 23:39

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General

Target

f81b9ca34f6d4761c2b5177a68f228937b58086c1e74bbe6081db876fc9dbb44.exe
Size

266KB
MD5

3233d0e5ac7f906a1b6e078c48890652
SHA1

5e7fb6ecf539632c59d760c0d4d286e9997fc72a
SHA256

f81b9ca34f6d4761c2b5177a68f228937b58086c1e74bbe6081db876fc9dbb44
SHA512

e51b90b702d01bb39217b2555f7f02e5e62707c61d8af35e7b0454b364c7bd3a2fb00389b5164533cc692cc67243c1ae45742f9a64413904331cd05f70dd6b3c
SSDEEP

3072:oNXEGZJWhfNFC4S60+XoLczrVmXPBAA84XtMfZNL+C5LYZNO5McAx9LozH01ne4S:2XzKdNY49u8rVEttUMi5Mcw001net

Score

7^/10

upx

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

Processes:

f81b9ca34f6d4761c2b5177a68f228937b58086c1e74bbe6081db876fc9dbb44.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation	f81b9ca34f6d4761c2b5177a68f228937b58086c1e74bbe6081db876fc9dbb44.exe

Executes dropped EXE 2 IoCs

Processes:

ITS SB App Switch.exeITS SB App Switch.exe

pid process

3468 ITS SB App Switch.exe
880 ITS SB App Switch.exe

pid	process
3468	ITS SB App Switch.exe
880	ITS SB App Switch.exe

UPX packed file 2 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1096-0-0x0000000000690000-0x0000000000730000-memory.dmp	upx
behavioral1/memory/1096-15-0x0000000000690000-0x0000000000730000-memory.dmp	upx

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

f81b9ca34f6d4761c2b5177a68f228937b58086c1e74bbe6081db876fc9dbb44.exe

pid	process
1096	f81b9ca34f6d4761c2b5177a68f228937b58086c1e74bbe6081db876fc9dbb44.exe
1096	f81b9ca34f6d4761c2b5177a68f228937b58086c1e74bbe6081db876fc9dbb44.exe
1096	f81b9ca34f6d4761c2b5177a68f228937b58086c1e74bbe6081db876fc9dbb44.exe
1096	f81b9ca34f6d4761c2b5177a68f228937b58086c1e74bbe6081db876fc9dbb44.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

f81b9ca34f6d4761c2b5177a68f228937b58086c1e74bbe6081db876fc9dbb44.exe

description	pid	process	target process
PID 1096 wrote to memory of 3468	1096	f81b9ca34f6d4761c2b5177a68f228937b58086c1e74bbe6081db876fc9dbb44.exe	ITS SB App Switch.exe
PID 1096 wrote to memory of 3468	1096	f81b9ca34f6d4761c2b5177a68f228937b58086c1e74bbe6081db876fc9dbb44.exe	ITS SB App Switch.exe
PID 1096 wrote to memory of 3468	1096	f81b9ca34f6d4761c2b5177a68f228937b58086c1e74bbe6081db876fc9dbb44.exe	ITS SB App Switch.exe
PID 1096 wrote to memory of 880	1096	f81b9ca34f6d4761c2b5177a68f228937b58086c1e74bbe6081db876fc9dbb44.exe	ITS SB App Switch.exe
PID 1096 wrote to memory of 880	1096	f81b9ca34f6d4761c2b5177a68f228937b58086c1e74bbe6081db876fc9dbb44.exe	ITS SB App Switch.exe
PID 1096 wrote to memory of 880	1096	f81b9ca34f6d4761c2b5177a68f228937b58086c1e74bbe6081db876fc9dbb44.exe	ITS SB App Switch.exe

C:\Users\Admin\AppData\Local\Temp\f81b9ca34f6d4761c2b5177a68f228937b58086c1e74bbe6081db876fc9dbb44.exe
"C:\Users\Admin\AppData\Local\Temp\f81b9ca34f6d4761c2b5177a68f228937b58086c1e74bbe6081db876fc9dbb44.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1096

C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe
"C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe"
2⤵
- Executes dropped EXE
PID:3468

C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe
"C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe"
2⤵
- Executes dropped EXE
PID:880

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe
Filesize
87KB

MD5
368332fca74f48697d842c5f4698ae1d

SHA1
0275153a1e62bd0eca0b02168895517ed66aac56

SHA256
3a4a5b128c3a042010824fd33b719466b0d9320aa051ca3d5f1690124766ad59

SHA512
fd9f1d1a4337e00fef5e9ea10a7fdf553e98df2cf2fdf818b68689a89de3c1d324de389e0c9ef863fef08a3dff8150db173b2203e9e92efaea67865e8d2805b5

Download Submit
memory/1096-0-0x0000000000690000-0x0000000000730000-memory.dmp

Filesize
640KB

Download
memory/1096-15-0x0000000000690000-0x0000000000730000-memory.dmp

Filesize
640KB

Download