f7a3b6855922c114bae69c4ae8aa6660b55c0212220dc0ac8b6db1b27c0c1dc1

Analysis

max time kernel
281s
max time network
322s
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, 22:55

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General

Target

f7a3b6855922c114bae69c4ae8aa6660b55c0212220dc0ac8b6db1b27c0c1dc1.exe
Size

277KB
MD5

9df1ca411adfaf900868d044c7c66da8
SHA1

9c1c28bf4696d2e526733dd9293b2f195b2fe921
SHA256

f7a3b6855922c114bae69c4ae8aa6660b55c0212220dc0ac8b6db1b27c0c1dc1
SHA512

75f8b0b99fb1be0324c1f8d954b82d598f06ab7dc682b3413ddca8d1ac32cbe95f34693b6f0dd760ff5b4114b0affbe0decb994eb43d653e9491e511f54eef65
SSDEEP

6144:jXzKdNY49u8rVSvsDszJTeB6IxACs2SYf01netn:ca4Ap0AzU0IpLSg01g

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-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation	f7a3b6855922c114bae69c4ae8aa6660b55c0212220dc0ac8b6db1b27c0c1dc1.exe

Executes dropped EXE 2 IoCs

pid	Process
3520	ITS SB App Switch.exe
1496	ITS SB App Switch.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2588-132-0x0000000000590000-0x0000000000630000-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 2 IoCs

pid	Process
2588	f7a3b6855922c114bae69c4ae8aa6660b55c0212220dc0ac8b6db1b27c0c1dc1.exe
2588	f7a3b6855922c114bae69c4ae8aa6660b55c0212220dc0ac8b6db1b27c0c1dc1.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2588 wrote to memory of 3520	2588	f7a3b6855922c114bae69c4ae8aa6660b55c0212220dc0ac8b6db1b27c0c1dc1.exe	80
PID 2588 wrote to memory of 3520	2588	f7a3b6855922c114bae69c4ae8aa6660b55c0212220dc0ac8b6db1b27c0c1dc1.exe	80
PID 2588 wrote to memory of 3520	2588	f7a3b6855922c114bae69c4ae8aa6660b55c0212220dc0ac8b6db1b27c0c1dc1.exe	80
PID 2588 wrote to memory of 1496	2588	f7a3b6855922c114bae69c4ae8aa6660b55c0212220dc0ac8b6db1b27c0c1dc1.exe	81
PID 2588 wrote to memory of 1496	2588	f7a3b6855922c114bae69c4ae8aa6660b55c0212220dc0ac8b6db1b27c0c1dc1.exe	81
PID 2588 wrote to memory of 1496	2588	f7a3b6855922c114bae69c4ae8aa6660b55c0212220dc0ac8b6db1b27c0c1dc1.exe	81

C:\Users\Admin\AppData\Local\Temp\f7a3b6855922c114bae69c4ae8aa6660b55c0212220dc0ac8b6db1b27c0c1dc1.exe
"C:\Users\Admin\AppData\Local\Temp\f7a3b6855922c114bae69c4ae8aa6660b55c0212220dc0ac8b6db1b27c0c1dc1.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2588
- 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:3520
- 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:1496

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
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/2588-132-0x0000000000590000-0x0000000000630000-memory.dmp

Filesize
640KB

Download