cac6b641b26fd4c5d72451b4926d9c53ed3bfd10e64f3995d18d6d84cfdd2b93

Analysis

max time kernel
83s
max time network
104s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
28/05/2023, 12:49

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General

Target

cac6b641b26fd4c5d72451b4926d9c53ed3bfd10e64f3995d18d6d84cfdd2b93.exe
Size

277KB
MD5

41e850dadab5181eb1007a2a6203e37f
SHA1

e60fdeebee207b3bb212b57a4b0a87b2637f902f
SHA256

cac6b641b26fd4c5d72451b4926d9c53ed3bfd10e64f3995d18d6d84cfdd2b93
SHA512

72cdcf61d1169ed3f9a4addb7414d463de76155297f736d909ea09c7d4562e5e2c1a332abf36906c0c1725c1ced9d2543942aba6f9ef41097b37654083df583e
SSDEEP

6144:vXzKdNY49u8rViUFkkQNltmkID/01netj:wa4Ag/YlXA/01I

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3376-133-0x0000000000F00000-0x0000000000FA0000-memory.dmp	upx
behavioral1/memory/3376-147-0x0000000000F00000-0x0000000000FA0000-memory.dmp	upx

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-1-5-21-2275444769-3691835758-4097679484-1000\Control Panel\International\Geo\Nation	cac6b641b26fd4c5d72451b4926d9c53ed3bfd10e64f3995d18d6d84cfdd2b93.exe

Executes dropped EXE 2 IoCs

pid	Process
1824	ITS SB App Switch.exe
544	ITS SB App Switch.exe

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
3376	cac6b641b26fd4c5d72451b4926d9c53ed3bfd10e64f3995d18d6d84cfdd2b93.exe
3376	cac6b641b26fd4c5d72451b4926d9c53ed3bfd10e64f3995d18d6d84cfdd2b93.exe
3376	cac6b641b26fd4c5d72451b4926d9c53ed3bfd10e64f3995d18d6d84cfdd2b93.exe
3376	cac6b641b26fd4c5d72451b4926d9c53ed3bfd10e64f3995d18d6d84cfdd2b93.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3376 wrote to memory of 1824	3376	cac6b641b26fd4c5d72451b4926d9c53ed3bfd10e64f3995d18d6d84cfdd2b93.exe	85
PID 3376 wrote to memory of 1824	3376	cac6b641b26fd4c5d72451b4926d9c53ed3bfd10e64f3995d18d6d84cfdd2b93.exe	85
PID 3376 wrote to memory of 1824	3376	cac6b641b26fd4c5d72451b4926d9c53ed3bfd10e64f3995d18d6d84cfdd2b93.exe	85
PID 3376 wrote to memory of 544	3376	cac6b641b26fd4c5d72451b4926d9c53ed3bfd10e64f3995d18d6d84cfdd2b93.exe	86
PID 3376 wrote to memory of 544	3376	cac6b641b26fd4c5d72451b4926d9c53ed3bfd10e64f3995d18d6d84cfdd2b93.exe	86
PID 3376 wrote to memory of 544	3376	cac6b641b26fd4c5d72451b4926d9c53ed3bfd10e64f3995d18d6d84cfdd2b93.exe	86

C:\Users\Admin\AppData\Local\Temp\cac6b641b26fd4c5d72451b4926d9c53ed3bfd10e64f3995d18d6d84cfdd2b93.exe
"C:\Users\Admin\AppData\Local\Temp\cac6b641b26fd4c5d72451b4926d9c53ed3bfd10e64f3995d18d6d84cfdd2b93.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3376
- 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:1824
- 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:544

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/3376-133-0x0000000000F00000-0x0000000000FA0000-memory.dmp

Filesize
640KB

Download
memory/3376-147-0x0000000000F00000-0x0000000000FA0000-memory.dmp

Filesize
640KB

Download