550895f69578f0795f56b1da55391a88f4c96477d6f93460ff73924a6dff524e

Analysis

max time kernel
144s
max time network
122s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
19-03-2023 08:36

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General

Target

550895f69578f0795f56b1da55391a88f4c96477d6f93460ff73924a6dff524e.exe
Size

277KB
MD5

e1076e533998b27aea1a5b74428f60b4
SHA1

c4b3e0917efff75691beaa59e5234edae34199f4
SHA256

550895f69578f0795f56b1da55391a88f4c96477d6f93460ff73924a6dff524e
SHA512

08c3e70b05740164918be03790bc19fd6e9594f2380a591a3a42d560d979d3fa5830b642900073b67f68e9ce8de05d814f1297903195e1c8eec719b3d5ca9a05
SSDEEP

6144:2XzKdNY49u8rV7/9lk3nzlMY2qz301netjF:Na4A4/9qBzb301O

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-1-5-21-1529757233-3489015626-3409890339-1000\Control Panel\International\Geo\Nation	550895f69578f0795f56b1da55391a88f4c96477d6f93460ff73924a6dff524e.exe

Executes dropped EXE 2 IoCs

pid	Process
4436	ITS SB App Switch.exe
4352	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/1336-134-0x0000000000F10000-0x0000000000FB0000-memory.dmp	upx
behavioral1/memory/1336-147-0x0000000000F10000-0x0000000000FB0000-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
1336	550895f69578f0795f56b1da55391a88f4c96477d6f93460ff73924a6dff524e.exe
1336	550895f69578f0795f56b1da55391a88f4c96477d6f93460ff73924a6dff524e.exe
1336	550895f69578f0795f56b1da55391a88f4c96477d6f93460ff73924a6dff524e.exe
1336	550895f69578f0795f56b1da55391a88f4c96477d6f93460ff73924a6dff524e.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1336 wrote to memory of 4436	1336	550895f69578f0795f56b1da55391a88f4c96477d6f93460ff73924a6dff524e.exe	86
PID 1336 wrote to memory of 4436	1336	550895f69578f0795f56b1da55391a88f4c96477d6f93460ff73924a6dff524e.exe	86
PID 1336 wrote to memory of 4436	1336	550895f69578f0795f56b1da55391a88f4c96477d6f93460ff73924a6dff524e.exe	86
PID 1336 wrote to memory of 4352	1336	550895f69578f0795f56b1da55391a88f4c96477d6f93460ff73924a6dff524e.exe	87
PID 1336 wrote to memory of 4352	1336	550895f69578f0795f56b1da55391a88f4c96477d6f93460ff73924a6dff524e.exe	87
PID 1336 wrote to memory of 4352	1336	550895f69578f0795f56b1da55391a88f4c96477d6f93460ff73924a6dff524e.exe	87

C:\Users\Admin\AppData\Local\Temp\550895f69578f0795f56b1da55391a88f4c96477d6f93460ff73924a6dff524e.exe
"C:\Users\Admin\AppData\Local\Temp\550895f69578f0795f56b1da55391a88f4c96477d6f93460ff73924a6dff524e.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1336
- 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:4436
- 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:4352

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/1336-134-0x0000000000F10000-0x0000000000FB0000-memory.dmp

Filesize
640KB

Download
memory/1336-147-0x0000000000F10000-0x0000000000FB0000-memory.dmp

Filesize
640KB

Download