4f89f7444f7e5b4256997639ad4148b123c48a94f3803980c85bc086686cd0c8

Analysis

max time kernel
99s
max time network
103s
platform
windows10-2004_x64
resource
win10v2004-20230221-en
resource tags

arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
submitted
01/06/2023, 14:44

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General

Target

4f89f7444f7e5b4256997639ad4148b123c48a94f3803980c85bc086686cd0c8.exe
Size

277KB
MD5

3ed0120570d0ab20e61208cf4591c848
SHA1

618051a568e229b82706934832c34ebf2fbb5dc7
SHA256

4f89f7444f7e5b4256997639ad4148b123c48a94f3803980c85bc086686cd0c8
SHA512

938299577ec0f198d4c0b0c2c2408d42d28a98dc81a35c3b1b071f6c72a0e225dca10adf61d5cd76905082208a5946a656bcb59d831675a9ff43f747da712858
SSDEEP

6144:PXzKdNY49u8rVnaKCMjkKInEaf5c701netFU:Qa4AjEtQ5c701V

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/4640-133-0x00000000003E0000-0x0000000000480000-memory.dmp	upx
behavioral1/memory/4640-143-0x00000000003E0000-0x0000000000480000-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-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation	4f89f7444f7e5b4256997639ad4148b123c48a94f3803980c85bc086686cd0c8.exe

Executes dropped EXE 2 IoCs

pid	Process
2004	ITS SB App Switch.exe
2484	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
4640	4f89f7444f7e5b4256997639ad4148b123c48a94f3803980c85bc086686cd0c8.exe
4640	4f89f7444f7e5b4256997639ad4148b123c48a94f3803980c85bc086686cd0c8.exe
4640	4f89f7444f7e5b4256997639ad4148b123c48a94f3803980c85bc086686cd0c8.exe
4640	4f89f7444f7e5b4256997639ad4148b123c48a94f3803980c85bc086686cd0c8.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4640 wrote to memory of 2004	4640	4f89f7444f7e5b4256997639ad4148b123c48a94f3803980c85bc086686cd0c8.exe	85
PID 4640 wrote to memory of 2004	4640	4f89f7444f7e5b4256997639ad4148b123c48a94f3803980c85bc086686cd0c8.exe	85
PID 4640 wrote to memory of 2004	4640	4f89f7444f7e5b4256997639ad4148b123c48a94f3803980c85bc086686cd0c8.exe	85
PID 4640 wrote to memory of 2484	4640	4f89f7444f7e5b4256997639ad4148b123c48a94f3803980c85bc086686cd0c8.exe	86
PID 4640 wrote to memory of 2484	4640	4f89f7444f7e5b4256997639ad4148b123c48a94f3803980c85bc086686cd0c8.exe	86
PID 4640 wrote to memory of 2484	4640	4f89f7444f7e5b4256997639ad4148b123c48a94f3803980c85bc086686cd0c8.exe	86

C:\Users\Admin\AppData\Local\Temp\4f89f7444f7e5b4256997639ad4148b123c48a94f3803980c85bc086686cd0c8.exe
"C:\Users\Admin\AppData\Local\Temp\4f89f7444f7e5b4256997639ad4148b123c48a94f3803980c85bc086686cd0c8.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4640
- 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:2004
- 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:2484

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
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/4640-133-0x00000000003E0000-0x0000000000480000-memory.dmp

Filesize
640KB

Download
memory/4640-143-0x00000000003E0000-0x0000000000480000-memory.dmp

Filesize
640KB

Download