8e375eb3739fdbe7f48a3c935e448d724a34f9002c6196940b7a97ce535cac7e

Analysis

max time kernel
139s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
14-02-2023 06:16

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General

Target

8e375eb3739fdbe7f48a3c935e448d724a34f9002c6196940b7a97ce535cac7e.exe
Size

277KB
MD5

f34de7a8385a4dd7c77cb499ec6b76d0
SHA1

6906ead6e1f4d4ee6e427a9aaf72f51c008ce5e6
SHA256

8e375eb3739fdbe7f48a3c935e448d724a34f9002c6196940b7a97ce535cac7e
SHA512

f0900884fef5fdb5bf62e1a122f1faf2471afdf1e8640ca737eee32fd9873183896456d905539a9a4efd06ce2cee4f5f0647fbfce1b32ca4bcc816e23ffa7ed1
SSDEEP

3072:aNXEGZJWhfNFC4S60+XoLczrVmX3OvK3P1FLL5r6jQ6yGl1Fw8BDH01ne4PKExd:oXzKdNY49u8rVlvu71Gl/wm01netC

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-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation	8e375eb3739fdbe7f48a3c935e448d724a34f9002c6196940b7a97ce535cac7e.exe

Executes dropped EXE 2 IoCs

pid	Process
1320	ITS SB App Switch.exe
1936	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/4216-132-0x0000000000910000-0x00000000009B0000-memory.dmp	upx
behavioral1/memory/4216-137-0x0000000000910000-0x00000000009B0000-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
4216	8e375eb3739fdbe7f48a3c935e448d724a34f9002c6196940b7a97ce535cac7e.exe
4216	8e375eb3739fdbe7f48a3c935e448d724a34f9002c6196940b7a97ce535cac7e.exe
4216	8e375eb3739fdbe7f48a3c935e448d724a34f9002c6196940b7a97ce535cac7e.exe
4216	8e375eb3739fdbe7f48a3c935e448d724a34f9002c6196940b7a97ce535cac7e.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4216 wrote to memory of 1320	4216	8e375eb3739fdbe7f48a3c935e448d724a34f9002c6196940b7a97ce535cac7e.exe	81
PID 4216 wrote to memory of 1320	4216	8e375eb3739fdbe7f48a3c935e448d724a34f9002c6196940b7a97ce535cac7e.exe	81
PID 4216 wrote to memory of 1320	4216	8e375eb3739fdbe7f48a3c935e448d724a34f9002c6196940b7a97ce535cac7e.exe	81
PID 4216 wrote to memory of 1936	4216	8e375eb3739fdbe7f48a3c935e448d724a34f9002c6196940b7a97ce535cac7e.exe	82
PID 4216 wrote to memory of 1936	4216	8e375eb3739fdbe7f48a3c935e448d724a34f9002c6196940b7a97ce535cac7e.exe	82
PID 4216 wrote to memory of 1936	4216	8e375eb3739fdbe7f48a3c935e448d724a34f9002c6196940b7a97ce535cac7e.exe	82

C:\Users\Admin\AppData\Local\Temp\8e375eb3739fdbe7f48a3c935e448d724a34f9002c6196940b7a97ce535cac7e.exe
"C:\Users\Admin\AppData\Local\Temp\8e375eb3739fdbe7f48a3c935e448d724a34f9002c6196940b7a97ce535cac7e.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4216
- 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:1320
- 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:1936

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
memory/4216-132-0x0000000000910000-0x00000000009B0000-memory.dmp

Filesize
640KB

Download
memory/4216-137-0x0000000000910000-0x00000000009B0000-memory.dmp

Filesize
640KB

Download