436c3eb5ae6e73ba4eb5c5d91a8cc600196ec8d25f1621fafb6d15c404cbde3f

Analysis

max time kernel
144s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
19/04/2024, 12:03

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General

Target

436c3eb5ae6e73ba4eb5c5d91a8cc600196ec8d25f1621fafb6d15c404cbde3f.exe
Size

266KB
MD5

7f9fc15ab59444aee83158eac1d2a6fa
SHA1

f7be47c24b9f5fe19dc14cc685f79ead375ec888
SHA256

436c3eb5ae6e73ba4eb5c5d91a8cc600196ec8d25f1621fafb6d15c404cbde3f
SHA512

6b6074616ae30bd5a9d527c7b1ca2d97f47f585e6b157d198cf7422376f4ab7d62802dba693c628d7aba68730317edb2803ae7cab0fbf44f13824bf003c1466e
SSDEEP

6144:gXzKdNY49u8rVRJm4PzJTeB6IxACs2m01net:fa4AEJm4PzU0IpLm01

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	436c3eb5ae6e73ba4eb5c5d91a8cc600196ec8d25f1621fafb6d15c404cbde3f.exe

Executes dropped EXE 2 IoCs

pid	Process
3548	ITS SB App Switch.exe
1016	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/2436-0-0x0000000000450000-0x00000000004F0000-memory.dmp	upx
behavioral1/memory/2436-1-0x0000000000450000-0x00000000004F0000-memory.dmp	upx
behavioral1/memory/2436-11-0x0000000000450000-0x00000000004F0000-memory.dmp	upx
behavioral1/memory/2436-12-0x0000000000450000-0x00000000004F0000-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
2436	436c3eb5ae6e73ba4eb5c5d91a8cc600196ec8d25f1621fafb6d15c404cbde3f.exe
2436	436c3eb5ae6e73ba4eb5c5d91a8cc600196ec8d25f1621fafb6d15c404cbde3f.exe
2436	436c3eb5ae6e73ba4eb5c5d91a8cc600196ec8d25f1621fafb6d15c404cbde3f.exe
2436	436c3eb5ae6e73ba4eb5c5d91a8cc600196ec8d25f1621fafb6d15c404cbde3f.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2436 wrote to memory of 3548	2436	436c3eb5ae6e73ba4eb5c5d91a8cc600196ec8d25f1621fafb6d15c404cbde3f.exe	91
PID 2436 wrote to memory of 3548	2436	436c3eb5ae6e73ba4eb5c5d91a8cc600196ec8d25f1621fafb6d15c404cbde3f.exe	91
PID 2436 wrote to memory of 3548	2436	436c3eb5ae6e73ba4eb5c5d91a8cc600196ec8d25f1621fafb6d15c404cbde3f.exe	91
PID 2436 wrote to memory of 1016	2436	436c3eb5ae6e73ba4eb5c5d91a8cc600196ec8d25f1621fafb6d15c404cbde3f.exe	92
PID 2436 wrote to memory of 1016	2436	436c3eb5ae6e73ba4eb5c5d91a8cc600196ec8d25f1621fafb6d15c404cbde3f.exe	92
PID 2436 wrote to memory of 1016	2436	436c3eb5ae6e73ba4eb5c5d91a8cc600196ec8d25f1621fafb6d15c404cbde3f.exe	92

C:\Users\Admin\AppData\Local\Temp\436c3eb5ae6e73ba4eb5c5d91a8cc600196ec8d25f1621fafb6d15c404cbde3f.exe
"C:\Users\Admin\AppData\Local\Temp\436c3eb5ae6e73ba4eb5c5d91a8cc600196ec8d25f1621fafb6d15c404cbde3f.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2436
- 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:3548
- 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:1016

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=1520 --field-trial-handle=2256,i,6670388345726423024,18382795228658886258,262144 --variations-seed-version /prefetch:8
1⤵
PID:4564

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/2436-0-0x0000000000450000-0x00000000004F0000-memory.dmp

Filesize
640KB

Download
memory/2436-1-0x0000000000450000-0x00000000004F0000-memory.dmp

Filesize
640KB

Download
memory/2436-11-0x0000000000450000-0x00000000004F0000-memory.dmp

Filesize
640KB

Download
memory/2436-12-0x0000000000450000-0x00000000004F0000-memory.dmp

Filesize
640KB

Download