fc289bfedefd3533e00aeb0957e4dbef55ce6d935ae29e470b5f5ec0a8b4034b

Analysis

max time kernel
114s
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
15/03/2023, 09:01

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General

Target

fc289bfedefd3533e00aeb0957e4dbef55ce6d935ae29e470b5f5ec0a8b4034b.exe
Size

277KB
MD5

5826521a988a42bf2a19c6b68d923cc2
SHA1

992e9796425dfa72f5754aac5c42afc3c1e4989a
SHA256

fc289bfedefd3533e00aeb0957e4dbef55ce6d935ae29e470b5f5ec0a8b4034b
SHA512

a8b77a07d694a6536e75f485ec3eeee4098c40604dbecb8f7971b013b5ed5a0079fa9bc45f7a2bd86c565e2165fa18fd7cecfe6c3d7fcb59499d9300f80cde69
SSDEEP

6144:tXzKdNY49u8rVni32KSEhI1pRDl8yuyx01netW:Oa4Akn80p2yx01x

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	fc289bfedefd3533e00aeb0957e4dbef55ce6d935ae29e470b5f5ec0a8b4034b.exe

Executes dropped EXE 2 IoCs

pid	Process
676	ITS SB App Switch.exe
2876	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/1948-133-0x0000000000960000-0x0000000000A00000-memory.dmp	upx
behavioral1/memory/1948-147-0x0000000000960000-0x0000000000A00000-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
1948	fc289bfedefd3533e00aeb0957e4dbef55ce6d935ae29e470b5f5ec0a8b4034b.exe
1948	fc289bfedefd3533e00aeb0957e4dbef55ce6d935ae29e470b5f5ec0a8b4034b.exe
1948	fc289bfedefd3533e00aeb0957e4dbef55ce6d935ae29e470b5f5ec0a8b4034b.exe
1948	fc289bfedefd3533e00aeb0957e4dbef55ce6d935ae29e470b5f5ec0a8b4034b.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1948 wrote to memory of 676	1948	fc289bfedefd3533e00aeb0957e4dbef55ce6d935ae29e470b5f5ec0a8b4034b.exe	88
PID 1948 wrote to memory of 676	1948	fc289bfedefd3533e00aeb0957e4dbef55ce6d935ae29e470b5f5ec0a8b4034b.exe	88
PID 1948 wrote to memory of 676	1948	fc289bfedefd3533e00aeb0957e4dbef55ce6d935ae29e470b5f5ec0a8b4034b.exe	88
PID 1948 wrote to memory of 2876	1948	fc289bfedefd3533e00aeb0957e4dbef55ce6d935ae29e470b5f5ec0a8b4034b.exe	89
PID 1948 wrote to memory of 2876	1948	fc289bfedefd3533e00aeb0957e4dbef55ce6d935ae29e470b5f5ec0a8b4034b.exe	89
PID 1948 wrote to memory of 2876	1948	fc289bfedefd3533e00aeb0957e4dbef55ce6d935ae29e470b5f5ec0a8b4034b.exe	89

C:\Users\Admin\AppData\Local\Temp\fc289bfedefd3533e00aeb0957e4dbef55ce6d935ae29e470b5f5ec0a8b4034b.exe
"C:\Users\Admin\AppData\Local\Temp\fc289bfedefd3533e00aeb0957e4dbef55ce6d935ae29e470b5f5ec0a8b4034b.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1948
- 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:676
- 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:2876

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/1948-133-0x0000000000960000-0x0000000000A00000-memory.dmp

Filesize
640KB

Download
memory/1948-147-0x0000000000960000-0x0000000000A00000-memory.dmp

Filesize
640KB

Download