81ce4f5144f39a5b2956bdeac95b96e90c1e52cb75e2217c6019c0b11e1e7d73

Analysis

max time kernel
144s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
23-05-2024 02:20

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General

Target

81ce4f5144f39a5b2956bdeac95b96e90c1e52cb75e2217c6019c0b11e1e7d73.exe
Size

266KB
MD5

05e9fcc9bbf365e688b21001ab328dac
SHA1

e2889dbc3b18d18d5d2243e738665572e58fbea5
SHA256

81ce4f5144f39a5b2956bdeac95b96e90c1e52cb75e2217c6019c0b11e1e7d73
SHA512

3a94ca97ab9b6a968b323204fb4ff549b91a58637b56ddd8a37c16c1bbe819ff53ec4c79ecc28063035a83eda4baa1ebcf72866614eaa234c85461f406800f6a
SSDEEP

6144:PXzKdNY49u8rVCJm4eASgv3IXNX01net:Qa4ArJm4HSgvS01

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:

81ce4f5144f39a5b2956bdeac95b96e90c1e52cb75e2217c6019c0b11e1e7d73.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	81ce4f5144f39a5b2956bdeac95b96e90c1e52cb75e2217c6019c0b11e1e7d73.exe

Executes dropped EXE 2 IoCs

Processes:

ITS SB App Switch.exeITS SB App Switch.exe

pid process

2684 ITS SB App Switch.exe
3724 ITS SB App Switch.exe

pid	process
2684	ITS SB App Switch.exe
3724	ITS SB App Switch.exe

UPX packed file 4 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/3264-0-0x0000000000070000-0x0000000000110000-memory.dmp	upx
behavioral1/memory/3264-1-0x0000000000070000-0x0000000000110000-memory.dmp	upx
behavioral1/memory/3264-3-0x0000000000070000-0x0000000000110000-memory.dmp	upx
behavioral1/memory/3264-12-0x0000000000070000-0x0000000000110000-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:

81ce4f5144f39a5b2956bdeac95b96e90c1e52cb75e2217c6019c0b11e1e7d73.exe

pid	process
3264	81ce4f5144f39a5b2956bdeac95b96e90c1e52cb75e2217c6019c0b11e1e7d73.exe
3264	81ce4f5144f39a5b2956bdeac95b96e90c1e52cb75e2217c6019c0b11e1e7d73.exe
3264	81ce4f5144f39a5b2956bdeac95b96e90c1e52cb75e2217c6019c0b11e1e7d73.exe
3264	81ce4f5144f39a5b2956bdeac95b96e90c1e52cb75e2217c6019c0b11e1e7d73.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

81ce4f5144f39a5b2956bdeac95b96e90c1e52cb75e2217c6019c0b11e1e7d73.exe

description	pid	process	target process
PID 3264 wrote to memory of 2684	3264	81ce4f5144f39a5b2956bdeac95b96e90c1e52cb75e2217c6019c0b11e1e7d73.exe	ITS SB App Switch.exe
PID 3264 wrote to memory of 2684	3264	81ce4f5144f39a5b2956bdeac95b96e90c1e52cb75e2217c6019c0b11e1e7d73.exe	ITS SB App Switch.exe
PID 3264 wrote to memory of 2684	3264	81ce4f5144f39a5b2956bdeac95b96e90c1e52cb75e2217c6019c0b11e1e7d73.exe	ITS SB App Switch.exe
PID 3264 wrote to memory of 3724	3264	81ce4f5144f39a5b2956bdeac95b96e90c1e52cb75e2217c6019c0b11e1e7d73.exe	ITS SB App Switch.exe
PID 3264 wrote to memory of 3724	3264	81ce4f5144f39a5b2956bdeac95b96e90c1e52cb75e2217c6019c0b11e1e7d73.exe	ITS SB App Switch.exe
PID 3264 wrote to memory of 3724	3264	81ce4f5144f39a5b2956bdeac95b96e90c1e52cb75e2217c6019c0b11e1e7d73.exe	ITS SB App Switch.exe

C:\Users\Admin\AppData\Local\Temp\81ce4f5144f39a5b2956bdeac95b96e90c1e52cb75e2217c6019c0b11e1e7d73.exe
"C:\Users\Admin\AppData\Local\Temp\81ce4f5144f39a5b2956bdeac95b96e90c1e52cb75e2217c6019c0b11e1e7d73.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3264

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:2684

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:3724

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1516 --field-trial-handle=2292,i,2103142837140538807,15881446839139365070,262144 --variations-seed-version /prefetch:8
1⤵
PID:4812

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:\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/3264-0-0x0000000000070000-0x0000000000110000-memory.dmp

Filesize
640KB

Download
memory/3264-1-0x0000000000070000-0x0000000000110000-memory.dmp

Filesize
640KB

Download
memory/3264-3-0x0000000000070000-0x0000000000110000-memory.dmp

Filesize
640KB

Download
memory/3264-12-0x0000000000070000-0x0000000000110000-memory.dmp

Filesize
640KB

Download