fedfefa35b0e46c6f705f2eaf4ad55c3b1fdc4fa76e2efc9c7be4f88b589466d

Analysis

max time kernel
85s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
06/03/2023, 13:50

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General

Target

fedfefa35b0e46c6f705f2eaf4ad55c3b1fdc4fa76e2efc9c7be4f88b589466d.exe
Size

277KB
MD5

2b057a5954b43a4d3aa01696646f74bc
SHA1

ffb8d212121fed68768b6a8827487752aacd27fa
SHA256

fedfefa35b0e46c6f705f2eaf4ad55c3b1fdc4fa76e2efc9c7be4f88b589466d
SHA512

71bfc05ec1981362b699d10098d47f81e4aa8ecd422695ebe8adbaba0a6587f602037de31845600180884147d62dacbd3063c6c62e8d2eee7f1b8b45a35216b1
SSDEEP

6144:FXzKdNY49u8rVgr/gkq+IyMePzhB01netm:2a4ALr/gkqryMChB019

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-1-5-21-144354903-2550862337-1367551827-1000\Control Panel\International\Geo\Nation	fedfefa35b0e46c6f705f2eaf4ad55c3b1fdc4fa76e2efc9c7be4f88b589466d.exe

Executes dropped EXE 2 IoCs

pid	Process
2976	ITS SB App Switch.exe
3216	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/1204-133-0x0000000000730000-0x00000000007D0000-memory.dmp	upx
behavioral1/memory/1204-147-0x0000000000730000-0x00000000007D0000-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
1204	fedfefa35b0e46c6f705f2eaf4ad55c3b1fdc4fa76e2efc9c7be4f88b589466d.exe
1204	fedfefa35b0e46c6f705f2eaf4ad55c3b1fdc4fa76e2efc9c7be4f88b589466d.exe
1204	fedfefa35b0e46c6f705f2eaf4ad55c3b1fdc4fa76e2efc9c7be4f88b589466d.exe
1204	fedfefa35b0e46c6f705f2eaf4ad55c3b1fdc4fa76e2efc9c7be4f88b589466d.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1204 wrote to memory of 2976	1204	fedfefa35b0e46c6f705f2eaf4ad55c3b1fdc4fa76e2efc9c7be4f88b589466d.exe	85
PID 1204 wrote to memory of 2976	1204	fedfefa35b0e46c6f705f2eaf4ad55c3b1fdc4fa76e2efc9c7be4f88b589466d.exe	85
PID 1204 wrote to memory of 2976	1204	fedfefa35b0e46c6f705f2eaf4ad55c3b1fdc4fa76e2efc9c7be4f88b589466d.exe	85
PID 1204 wrote to memory of 3216	1204	fedfefa35b0e46c6f705f2eaf4ad55c3b1fdc4fa76e2efc9c7be4f88b589466d.exe	86
PID 1204 wrote to memory of 3216	1204	fedfefa35b0e46c6f705f2eaf4ad55c3b1fdc4fa76e2efc9c7be4f88b589466d.exe	86
PID 1204 wrote to memory of 3216	1204	fedfefa35b0e46c6f705f2eaf4ad55c3b1fdc4fa76e2efc9c7be4f88b589466d.exe	86

C:\Users\Admin\AppData\Local\Temp\fedfefa35b0e46c6f705f2eaf4ad55c3b1fdc4fa76e2efc9c7be4f88b589466d.exe
"C:\Users\Admin\AppData\Local\Temp\fedfefa35b0e46c6f705f2eaf4ad55c3b1fdc4fa76e2efc9c7be4f88b589466d.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1204
- 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:2976
- 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:3216

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/1204-133-0x0000000000730000-0x00000000007D0000-memory.dmp

Filesize
640KB

Download
memory/1204-147-0x0000000000730000-0x00000000007D0000-memory.dmp

Filesize
640KB

Download