620b42b8f2b1f7e6a12b9bdb2d860fb0bb3b941fce56d8d4428e0167130beeb3

Analysis

max time kernel
90s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
14-04-2023 06:53

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General

Target

620b42b8f2b1f7e6a12b9bdb2d860fb0bb3b941fce56d8d4428e0167130beeb3.exe
Size

277KB
MD5

3c69d00fff013d200c72760b8a6f7418
SHA1

c61246759c9dbf02e096d702f73779a87544b7c8
SHA256

620b42b8f2b1f7e6a12b9bdb2d860fb0bb3b941fce56d8d4428e0167130beeb3
SHA512

ddc57a4cbcb754149230cc6519323f0eaa9d88c8ea1e1e2248f619ac86b035bb4b0be61ee8ac2b3436bd4941b6206898ae822c0634a87e9c44334bbe8f4beef1
SSDEEP

6144:JXzKdNY49u8rVMV37Dckx2/bQcFF01netj:ya4A7DcZFF014

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-1-5-21-1013461898-3711306144-4198452673-1000\Control Panel\International\Geo\Nation	620b42b8f2b1f7e6a12b9bdb2d860fb0bb3b941fce56d8d4428e0167130beeb3.exe

Executes dropped EXE 2 IoCs

pid	Process
5048	ITS SB App Switch.exe
1704	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/2692-134-0x0000000000C40000-0x0000000000CE0000-memory.dmp	upx
behavioral1/memory/2692-147-0x0000000000C40000-0x0000000000CE0000-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
2692	620b42b8f2b1f7e6a12b9bdb2d860fb0bb3b941fce56d8d4428e0167130beeb3.exe
2692	620b42b8f2b1f7e6a12b9bdb2d860fb0bb3b941fce56d8d4428e0167130beeb3.exe
2692	620b42b8f2b1f7e6a12b9bdb2d860fb0bb3b941fce56d8d4428e0167130beeb3.exe
2692	620b42b8f2b1f7e6a12b9bdb2d860fb0bb3b941fce56d8d4428e0167130beeb3.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2692 wrote to memory of 5048	2692	620b42b8f2b1f7e6a12b9bdb2d860fb0bb3b941fce56d8d4428e0167130beeb3.exe	78
PID 2692 wrote to memory of 5048	2692	620b42b8f2b1f7e6a12b9bdb2d860fb0bb3b941fce56d8d4428e0167130beeb3.exe	78
PID 2692 wrote to memory of 5048	2692	620b42b8f2b1f7e6a12b9bdb2d860fb0bb3b941fce56d8d4428e0167130beeb3.exe	78
PID 2692 wrote to memory of 1704	2692	620b42b8f2b1f7e6a12b9bdb2d860fb0bb3b941fce56d8d4428e0167130beeb3.exe	79
PID 2692 wrote to memory of 1704	2692	620b42b8f2b1f7e6a12b9bdb2d860fb0bb3b941fce56d8d4428e0167130beeb3.exe	79
PID 2692 wrote to memory of 1704	2692	620b42b8f2b1f7e6a12b9bdb2d860fb0bb3b941fce56d8d4428e0167130beeb3.exe	79

C:\Users\Admin\AppData\Local\Temp\620b42b8f2b1f7e6a12b9bdb2d860fb0bb3b941fce56d8d4428e0167130beeb3.exe
"C:\Users\Admin\AppData\Local\Temp\620b42b8f2b1f7e6a12b9bdb2d860fb0bb3b941fce56d8d4428e0167130beeb3.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2692
- 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:5048
- 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:1704

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/2692-134-0x0000000000C40000-0x0000000000CE0000-memory.dmp

Filesize
640KB

Download
memory/2692-147-0x0000000000C40000-0x0000000000CE0000-memory.dmp

Filesize
640KB

Download