fa687bcd4b0409f429deec7cb4f08846ccb047d2685515f065d4e4b5c0cb2ef6

Analysis

max time kernel
141s
max time network
160s
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, 22:49

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General

Target

fa687bcd4b0409f429deec7cb4f08846ccb047d2685515f065d4e4b5c0cb2ef6.exe
Size

266KB
MD5

a4354b716b957bd2295706a5fca63e18
SHA1

bb505ceeefaa7866a88233aa5e85e888c5a21f5c
SHA256

fa687bcd4b0409f429deec7cb4f08846ccb047d2685515f065d4e4b5c0cb2ef6
SHA512

081a3ef325181cdfb7a37c8647a830bcf900e2994e0364b9dd4ed94cb253bfc2e7e9b85e34888326a43ed7b60d01a6389067595b9f28a92b006cd7e702c15a5b
SSDEEP

6144:nXzKdNY49u8rVKvS9Mlr5xuRrUY01net:4a4AL6+lNxA01

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	fa687bcd4b0409f429deec7cb4f08846ccb047d2685515f065d4e4b5c0cb2ef6.exe

Executes dropped EXE 2 IoCs

pid	Process
3740	ITS SB App Switch.exe
4068	ITS SB App Switch.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3372-0-0x00000000006C0000-0x0000000000760000-memory.dmp	upx
behavioral1/memory/3372-6-0x00000000006C0000-0x0000000000760000-memory.dmp	upx
behavioral1/memory/3372-11-0x00000000006C0000-0x0000000000760000-memory.dmp	upx
behavioral1/memory/3372-12-0x00000000006C0000-0x0000000000760000-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

pid	Process
3372	fa687bcd4b0409f429deec7cb4f08846ccb047d2685515f065d4e4b5c0cb2ef6.exe
3372	fa687bcd4b0409f429deec7cb4f08846ccb047d2685515f065d4e4b5c0cb2ef6.exe
3372	fa687bcd4b0409f429deec7cb4f08846ccb047d2685515f065d4e4b5c0cb2ef6.exe
3372	fa687bcd4b0409f429deec7cb4f08846ccb047d2685515f065d4e4b5c0cb2ef6.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3372 wrote to memory of 3740	3372	fa687bcd4b0409f429deec7cb4f08846ccb047d2685515f065d4e4b5c0cb2ef6.exe	92
PID 3372 wrote to memory of 3740	3372	fa687bcd4b0409f429deec7cb4f08846ccb047d2685515f065d4e4b5c0cb2ef6.exe	92
PID 3372 wrote to memory of 3740	3372	fa687bcd4b0409f429deec7cb4f08846ccb047d2685515f065d4e4b5c0cb2ef6.exe	92
PID 3372 wrote to memory of 4068	3372	fa687bcd4b0409f429deec7cb4f08846ccb047d2685515f065d4e4b5c0cb2ef6.exe	93
PID 3372 wrote to memory of 4068	3372	fa687bcd4b0409f429deec7cb4f08846ccb047d2685515f065d4e4b5c0cb2ef6.exe	93
PID 3372 wrote to memory of 4068	3372	fa687bcd4b0409f429deec7cb4f08846ccb047d2685515f065d4e4b5c0cb2ef6.exe	93

C:\Users\Admin\AppData\Local\Temp\fa687bcd4b0409f429deec7cb4f08846ccb047d2685515f065d4e4b5c0cb2ef6.exe
"C:\Users\Admin\AppData\Local\Temp\fa687bcd4b0409f429deec7cb4f08846ccb047d2685515f065d4e4b5c0cb2ef6.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3372
- 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:3740
- 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:4068

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=4012 --field-trial-handle=2284,i,15722001240173834669,15048020084704567542,262144 --variations-seed-version /prefetch:8
1⤵
PID:1252

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/3372-0-0x00000000006C0000-0x0000000000760000-memory.dmp

Filesize
640KB

Download
memory/3372-6-0x00000000006C0000-0x0000000000760000-memory.dmp

Filesize
640KB

Download
memory/3372-11-0x00000000006C0000-0x0000000000760000-memory.dmp

Filesize
640KB

Download
memory/3372-12-0x00000000006C0000-0x0000000000760000-memory.dmp

Filesize
640KB

Download