8c4756ed237a9cc8c5090bf2bb2e0bcca7aaeed046f09c4dbe7ca8f23e4632e8

Analysis

max time kernel
147s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
12/02/2023, 09:34

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General

Target

8c4756ed237a9cc8c5090bf2bb2e0bcca7aaeed046f09c4dbe7ca8f23e4632e8.exe
Size

277KB
MD5

7c3d28255962b32a674f4c1699c31534
SHA1

9e45b8c8119cf98413758a53af5d287e9d3e3556
SHA256

8c4756ed237a9cc8c5090bf2bb2e0bcca7aaeed046f09c4dbe7ca8f23e4632e8
SHA512

fb5fb2922715976949fb14eb93639761a4d0636c163b459adf4d8f3b432134c665a867058ebad88992cf2ab48b2fb86624c4a92ade7aba76ccaa5749ea746786
SSDEEP

6144:5XzKdNY49u8rVZ7tFSEhI1pRDl8yuLQu801neta:ia4AIE80p2S01x

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-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	8c4756ed237a9cc8c5090bf2bb2e0bcca7aaeed046f09c4dbe7ca8f23e4632e8.exe

Executes dropped EXE 2 IoCs

pid	Process
804	ITS SB App Switch.exe
4364	ITS SB App Switch.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4184-132-0x00000000008D0000-0x0000000000970000-memory.dmp	upx
behavioral1/memory/4184-133-0x00000000008D0000-0x0000000000970000-memory.dmp	upx
behavioral1/memory/4184-138-0x00000000008D0000-0x0000000000970000-memory.dmp	upx

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4184	8c4756ed237a9cc8c5090bf2bb2e0bcca7aaeed046f09c4dbe7ca8f23e4632e8.exe
4184	8c4756ed237a9cc8c5090bf2bb2e0bcca7aaeed046f09c4dbe7ca8f23e4632e8.exe
4184	8c4756ed237a9cc8c5090bf2bb2e0bcca7aaeed046f09c4dbe7ca8f23e4632e8.exe
4184	8c4756ed237a9cc8c5090bf2bb2e0bcca7aaeed046f09c4dbe7ca8f23e4632e8.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4184 wrote to memory of 804	4184	8c4756ed237a9cc8c5090bf2bb2e0bcca7aaeed046f09c4dbe7ca8f23e4632e8.exe	82
PID 4184 wrote to memory of 804	4184	8c4756ed237a9cc8c5090bf2bb2e0bcca7aaeed046f09c4dbe7ca8f23e4632e8.exe	82
PID 4184 wrote to memory of 804	4184	8c4756ed237a9cc8c5090bf2bb2e0bcca7aaeed046f09c4dbe7ca8f23e4632e8.exe	82
PID 4184 wrote to memory of 4364	4184	8c4756ed237a9cc8c5090bf2bb2e0bcca7aaeed046f09c4dbe7ca8f23e4632e8.exe	83
PID 4184 wrote to memory of 4364	4184	8c4756ed237a9cc8c5090bf2bb2e0bcca7aaeed046f09c4dbe7ca8f23e4632e8.exe	83
PID 4184 wrote to memory of 4364	4184	8c4756ed237a9cc8c5090bf2bb2e0bcca7aaeed046f09c4dbe7ca8f23e4632e8.exe	83

C:\Users\Admin\AppData\Local\Temp\8c4756ed237a9cc8c5090bf2bb2e0bcca7aaeed046f09c4dbe7ca8f23e4632e8.exe
"C:\Users\Admin\AppData\Local\Temp\8c4756ed237a9cc8c5090bf2bb2e0bcca7aaeed046f09c4dbe7ca8f23e4632e8.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4184
- 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:804
- 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:4364

Network

MITRE ATT&CK Enterprise v6

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

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
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/4184-132-0x00000000008D0000-0x0000000000970000-memory.dmp

Filesize
640KB

Download
memory/4184-133-0x00000000008D0000-0x0000000000970000-memory.dmp

Filesize
640KB

Download
memory/4184-138-0x00000000008D0000-0x0000000000970000-memory.dmp

Filesize
640KB

Download