737d996a0fc9bfc14a464b96af40e0f2edb4b97fea65182a883036f20ddaacda

Analysis

max time kernel
60s
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
17/04/2023, 03:04

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General

Target

737d996a0fc9bfc14a464b96af40e0f2edb4b97fea65182a883036f20ddaacda.exe
Size

277KB
MD5

8ad617a684bf84f8983bbd7484773b16
SHA1

da5f7a7f0059a4a32e2ef2c10eafcfc4f236a174
SHA256

737d996a0fc9bfc14a464b96af40e0f2edb4b97fea65182a883036f20ddaacda
SHA512

b4f45797d7c3cdf00d0935396075dabbf4f46aa9c91093c68bb145147c27f23718dd4135fff44b34bedf8d63e016fd0a531f76690668caa1ef649ef38b917c0d
SSDEEP

3072:jNXEGZJWhfNFC4S60+XoLczrVmX9cFrqs0BVH0XNn2qcyF/aH01ne4PKjxU:JXzKdNY49u8rVocFYBSXNn2qNM01net2

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-1-5-21-2275444769-3691835758-4097679484-1000\Control Panel\International\Geo\Nation	737d996a0fc9bfc14a464b96af40e0f2edb4b97fea65182a883036f20ddaacda.exe

Executes dropped EXE 2 IoCs

pid	Process
2172	ITS SB App Switch.exe
4524	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/5084-134-0x0000000000410000-0x00000000004B0000-memory.dmp	upx
behavioral1/memory/5084-147-0x0000000000410000-0x00000000004B0000-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
5084	737d996a0fc9bfc14a464b96af40e0f2edb4b97fea65182a883036f20ddaacda.exe
5084	737d996a0fc9bfc14a464b96af40e0f2edb4b97fea65182a883036f20ddaacda.exe
5084	737d996a0fc9bfc14a464b96af40e0f2edb4b97fea65182a883036f20ddaacda.exe
5084	737d996a0fc9bfc14a464b96af40e0f2edb4b97fea65182a883036f20ddaacda.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5084 wrote to memory of 2172	5084	737d996a0fc9bfc14a464b96af40e0f2edb4b97fea65182a883036f20ddaacda.exe	84
PID 5084 wrote to memory of 2172	5084	737d996a0fc9bfc14a464b96af40e0f2edb4b97fea65182a883036f20ddaacda.exe	84
PID 5084 wrote to memory of 2172	5084	737d996a0fc9bfc14a464b96af40e0f2edb4b97fea65182a883036f20ddaacda.exe	84
PID 5084 wrote to memory of 4524	5084	737d996a0fc9bfc14a464b96af40e0f2edb4b97fea65182a883036f20ddaacda.exe	85
PID 5084 wrote to memory of 4524	5084	737d996a0fc9bfc14a464b96af40e0f2edb4b97fea65182a883036f20ddaacda.exe	85
PID 5084 wrote to memory of 4524	5084	737d996a0fc9bfc14a464b96af40e0f2edb4b97fea65182a883036f20ddaacda.exe	85

C:\Users\Admin\AppData\Local\Temp\737d996a0fc9bfc14a464b96af40e0f2edb4b97fea65182a883036f20ddaacda.exe
"C:\Users\Admin\AppData\Local\Temp\737d996a0fc9bfc14a464b96af40e0f2edb4b97fea65182a883036f20ddaacda.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:5084
- 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:2172
- 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:4524

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/5084-134-0x0000000000410000-0x00000000004B0000-memory.dmp

Filesize
640KB

Download
memory/5084-147-0x0000000000410000-0x00000000004B0000-memory.dmp

Filesize
640KB

Download