4ea5bf77b5f46516f937cfba5ab33208b4cdafe67e42a3e4e0cbbb6b2d2707bf

Analysis

max time kernel
95s
max time network
129s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
22-05-2023 03:12

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General

Target

4ea5bf77b5f46516f937cfba5ab33208b4cdafe67e42a3e4e0cbbb6b2d2707bf.exe
Size

277KB
MD5

7fc6c2df25d7430f699d78e2eaef4332
SHA1

66a7bbc58ac312d56ae054d1a081cd7bf260a8d0
SHA256

4ea5bf77b5f46516f937cfba5ab33208b4cdafe67e42a3e4e0cbbb6b2d2707bf
SHA512

bc09c8bacaaa8f8cfc6ab3a87b5af884ac4536b2757e79947f5055b21c4d0b69efd71fb7cf174b543337eadda9fe50ad7fd7e71800bbb9cded9a5bc4ed950a4b
SSDEEP

6144:AXzKdNY49u8rVpcFdUsHHN4oqXGb01netN:/a4AQsHt4jc01W

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/2160-133-0x0000000000770000-0x0000000000810000-memory.dmp	upx
behavioral1/memory/2160-147-0x0000000000770000-0x0000000000810000-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-1-5-21-144354903-2550862337-1367551827-1000\Control Panel\International\Geo\Nation	4ea5bf77b5f46516f937cfba5ab33208b4cdafe67e42a3e4e0cbbb6b2d2707bf.exe

Executes dropped EXE 2 IoCs

pid	Process
3280	ITS SB App Switch.exe
3988	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
2160	4ea5bf77b5f46516f937cfba5ab33208b4cdafe67e42a3e4e0cbbb6b2d2707bf.exe
2160	4ea5bf77b5f46516f937cfba5ab33208b4cdafe67e42a3e4e0cbbb6b2d2707bf.exe
2160	4ea5bf77b5f46516f937cfba5ab33208b4cdafe67e42a3e4e0cbbb6b2d2707bf.exe
2160	4ea5bf77b5f46516f937cfba5ab33208b4cdafe67e42a3e4e0cbbb6b2d2707bf.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2160 wrote to memory of 3280	2160	4ea5bf77b5f46516f937cfba5ab33208b4cdafe67e42a3e4e0cbbb6b2d2707bf.exe	84
PID 2160 wrote to memory of 3280	2160	4ea5bf77b5f46516f937cfba5ab33208b4cdafe67e42a3e4e0cbbb6b2d2707bf.exe	84
PID 2160 wrote to memory of 3280	2160	4ea5bf77b5f46516f937cfba5ab33208b4cdafe67e42a3e4e0cbbb6b2d2707bf.exe	84
PID 2160 wrote to memory of 3988	2160	4ea5bf77b5f46516f937cfba5ab33208b4cdafe67e42a3e4e0cbbb6b2d2707bf.exe	85
PID 2160 wrote to memory of 3988	2160	4ea5bf77b5f46516f937cfba5ab33208b4cdafe67e42a3e4e0cbbb6b2d2707bf.exe	85
PID 2160 wrote to memory of 3988	2160	4ea5bf77b5f46516f937cfba5ab33208b4cdafe67e42a3e4e0cbbb6b2d2707bf.exe	85

C:\Users\Admin\AppData\Local\Temp\4ea5bf77b5f46516f937cfba5ab33208b4cdafe67e42a3e4e0cbbb6b2d2707bf.exe
"C:\Users\Admin\AppData\Local\Temp\4ea5bf77b5f46516f937cfba5ab33208b4cdafe67e42a3e4e0cbbb6b2d2707bf.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2160
- 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:3280
- 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:3988

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/2160-133-0x0000000000770000-0x0000000000810000-memory.dmp

Filesize
640KB

Download
memory/2160-147-0x0000000000770000-0x0000000000810000-memory.dmp

Filesize
640KB

Download