3dfc9ff5c9a815df4b613f8a2f7d4f5125448c57c1605513b9e278db6b9f23f7

Analysis

max time kernel
174s
max time network
186s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
11/02/2023, 16:54

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General

Target

3dfc9ff5c9a815df4b613f8a2f7d4f5125448c57c1605513b9e278db6b9f23f7.exe
Size

277KB
MD5

45aabcb0ab55f29d62c97a3f991b7452
SHA1

278b44b690fff549b4b3abfca01a50c78b64bacd
SHA256

3dfc9ff5c9a815df4b613f8a2f7d4f5125448c57c1605513b9e278db6b9f23f7
SHA512

f95c60aa5d192d6b5b3199c169c2be578936eae7657db725263c57655cf8e842f3e8bac7ce10ee8a4c1211854540436bb2ac6c2c095bd8138f5ee5e4dc1843ba
SSDEEP

6144:1XzKdNY49u8rVF1T2YrkKInEaf2K/z01neth:ma4AORtQ2gz01K

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-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	3dfc9ff5c9a815df4b613f8a2f7d4f5125448c57c1605513b9e278db6b9f23f7.exe

Executes dropped EXE 2 IoCs

pid	Process
1308	ITS SB App Switch.exe
4104	ITS SB App Switch.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4840-132-0x0000000000700000-0x00000000007A0000-memory.dmp	upx
behavioral1/memory/4840-137-0x0000000000700000-0x00000000007A0000-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
4840	3dfc9ff5c9a815df4b613f8a2f7d4f5125448c57c1605513b9e278db6b9f23f7.exe
4840	3dfc9ff5c9a815df4b613f8a2f7d4f5125448c57c1605513b9e278db6b9f23f7.exe
4840	3dfc9ff5c9a815df4b613f8a2f7d4f5125448c57c1605513b9e278db6b9f23f7.exe
4840	3dfc9ff5c9a815df4b613f8a2f7d4f5125448c57c1605513b9e278db6b9f23f7.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4840 wrote to memory of 1308	4840	3dfc9ff5c9a815df4b613f8a2f7d4f5125448c57c1605513b9e278db6b9f23f7.exe	78
PID 4840 wrote to memory of 1308	4840	3dfc9ff5c9a815df4b613f8a2f7d4f5125448c57c1605513b9e278db6b9f23f7.exe	78
PID 4840 wrote to memory of 1308	4840	3dfc9ff5c9a815df4b613f8a2f7d4f5125448c57c1605513b9e278db6b9f23f7.exe	78
PID 4840 wrote to memory of 4104	4840	3dfc9ff5c9a815df4b613f8a2f7d4f5125448c57c1605513b9e278db6b9f23f7.exe	79
PID 4840 wrote to memory of 4104	4840	3dfc9ff5c9a815df4b613f8a2f7d4f5125448c57c1605513b9e278db6b9f23f7.exe	79
PID 4840 wrote to memory of 4104	4840	3dfc9ff5c9a815df4b613f8a2f7d4f5125448c57c1605513b9e278db6b9f23f7.exe	79

C:\Users\Admin\AppData\Local\Temp\3dfc9ff5c9a815df4b613f8a2f7d4f5125448c57c1605513b9e278db6b9f23f7.exe
"C:\Users\Admin\AppData\Local\Temp\3dfc9ff5c9a815df4b613f8a2f7d4f5125448c57c1605513b9e278db6b9f23f7.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4840
- 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:1308
- 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:4104

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/4840-132-0x0000000000700000-0x00000000007A0000-memory.dmp

Filesize
640KB

Download
memory/4840-137-0x0000000000700000-0x00000000007A0000-memory.dmp

Filesize
640KB

Download