33dfe756a606fee7ef900741e64ef6cb1f58eb95d62cb19c5ac1d86cfaa56bd3

Analysis

max time kernel
98s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20230221-en
resource tags

arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
submitted
29/03/2023, 00:37

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General

Target

33dfe756a606fee7ef900741e64ef6cb1f58eb95d62cb19c5ac1d86cfaa56bd3.exe
Size

277KB
MD5

03bbd33ea8ab7eaacf63bb0258036a30
SHA1

4dd8df020e3b2807eb60f42fd687400893f012eb
SHA256

33dfe756a606fee7ef900741e64ef6cb1f58eb95d62cb19c5ac1d86cfaa56bd3
SHA512

c500be41252934fd5d7199b4ef850df02a8e7589edf1181aeebd54df0ad3159ff37263458be6a35bb926012478f5be02cb8059cb4b081a81b7a7541fe53f8d3d
SSDEEP

6144:jXzKdNY49u8rVGukV4dPMvc+/cv1o01netd:ca4ATuxd2/n01C

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-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation	33dfe756a606fee7ef900741e64ef6cb1f58eb95d62cb19c5ac1d86cfaa56bd3.exe

Executes dropped EXE 2 IoCs

pid	Process
700	ITS SB App Switch.exe
4700	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/5000-134-0x0000000000330000-0x00000000003D0000-memory.dmp	upx
behavioral1/memory/5000-147-0x0000000000330000-0x00000000003D0000-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
5000	33dfe756a606fee7ef900741e64ef6cb1f58eb95d62cb19c5ac1d86cfaa56bd3.exe
5000	33dfe756a606fee7ef900741e64ef6cb1f58eb95d62cb19c5ac1d86cfaa56bd3.exe
5000	33dfe756a606fee7ef900741e64ef6cb1f58eb95d62cb19c5ac1d86cfaa56bd3.exe
5000	33dfe756a606fee7ef900741e64ef6cb1f58eb95d62cb19c5ac1d86cfaa56bd3.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5000 wrote to memory of 700	5000	33dfe756a606fee7ef900741e64ef6cb1f58eb95d62cb19c5ac1d86cfaa56bd3.exe	84
PID 5000 wrote to memory of 700	5000	33dfe756a606fee7ef900741e64ef6cb1f58eb95d62cb19c5ac1d86cfaa56bd3.exe	84
PID 5000 wrote to memory of 700	5000	33dfe756a606fee7ef900741e64ef6cb1f58eb95d62cb19c5ac1d86cfaa56bd3.exe	84
PID 5000 wrote to memory of 4700	5000	33dfe756a606fee7ef900741e64ef6cb1f58eb95d62cb19c5ac1d86cfaa56bd3.exe	85
PID 5000 wrote to memory of 4700	5000	33dfe756a606fee7ef900741e64ef6cb1f58eb95d62cb19c5ac1d86cfaa56bd3.exe	85
PID 5000 wrote to memory of 4700	5000	33dfe756a606fee7ef900741e64ef6cb1f58eb95d62cb19c5ac1d86cfaa56bd3.exe	85

C:\Users\Admin\AppData\Local\Temp\33dfe756a606fee7ef900741e64ef6cb1f58eb95d62cb19c5ac1d86cfaa56bd3.exe
"C:\Users\Admin\AppData\Local\Temp\33dfe756a606fee7ef900741e64ef6cb1f58eb95d62cb19c5ac1d86cfaa56bd3.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:5000
- 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:700
- 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:4700

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/5000-134-0x0000000000330000-0x00000000003D0000-memory.dmp

Filesize
640KB

Download
memory/5000-147-0x0000000000330000-0x00000000003D0000-memory.dmp

Filesize
640KB

Download