841d3f8f5fcd0a0c2814061d5ab2de979d9d73375df2fb34a7bb753f7e131558

Analysis

max time kernel
87s
max time network
89s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
11/03/2023, 04:29

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General

Target

841d3f8f5fcd0a0c2814061d5ab2de979d9d73375df2fb34a7bb753f7e131558.exe
Size

277KB
MD5

5b358d18af5496608a34e50c6b3a8f54
SHA1

cafba84d539ff9064e05ff4981ee3cce528c78df
SHA256

841d3f8f5fcd0a0c2814061d5ab2de979d9d73375df2fb34a7bb753f7e131558
SHA512

e7d386411e3d8f4ff0e3b8bd82550987e79c709d658dc9a92c866468c4c72dc32104f27b6add7669408390fe6eb322aa5b892e88ac093ebb9c462264bc7b2045
SSDEEP

3072:fNXEGZJWhfNFC4S60+XoLczrVmX0EhKRHtMpzWGLiw6Zau4NDBzdrmaDbI66H01y:lXzKdNY49u8rV5jtVwzz9E01netZ

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	841d3f8f5fcd0a0c2814061d5ab2de979d9d73375df2fb34a7bb753f7e131558.exe

Executes dropped EXE 2 IoCs

pid	Process
4984	ITS SB App Switch.exe
4292	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/5060-134-0x0000000000310000-0x00000000003B0000-memory.dmp	upx
behavioral1/memory/5060-147-0x0000000000310000-0x00000000003B0000-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
5060	841d3f8f5fcd0a0c2814061d5ab2de979d9d73375df2fb34a7bb753f7e131558.exe
5060	841d3f8f5fcd0a0c2814061d5ab2de979d9d73375df2fb34a7bb753f7e131558.exe
5060	841d3f8f5fcd0a0c2814061d5ab2de979d9d73375df2fb34a7bb753f7e131558.exe
5060	841d3f8f5fcd0a0c2814061d5ab2de979d9d73375df2fb34a7bb753f7e131558.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5060 wrote to memory of 4984	5060	841d3f8f5fcd0a0c2814061d5ab2de979d9d73375df2fb34a7bb753f7e131558.exe	82
PID 5060 wrote to memory of 4984	5060	841d3f8f5fcd0a0c2814061d5ab2de979d9d73375df2fb34a7bb753f7e131558.exe	82
PID 5060 wrote to memory of 4984	5060	841d3f8f5fcd0a0c2814061d5ab2de979d9d73375df2fb34a7bb753f7e131558.exe	82
PID 5060 wrote to memory of 4292	5060	841d3f8f5fcd0a0c2814061d5ab2de979d9d73375df2fb34a7bb753f7e131558.exe	83
PID 5060 wrote to memory of 4292	5060	841d3f8f5fcd0a0c2814061d5ab2de979d9d73375df2fb34a7bb753f7e131558.exe	83
PID 5060 wrote to memory of 4292	5060	841d3f8f5fcd0a0c2814061d5ab2de979d9d73375df2fb34a7bb753f7e131558.exe	83

C:\Users\Admin\AppData\Local\Temp\841d3f8f5fcd0a0c2814061d5ab2de979d9d73375df2fb34a7bb753f7e131558.exe
"C:\Users\Admin\AppData\Local\Temp\841d3f8f5fcd0a0c2814061d5ab2de979d9d73375df2fb34a7bb753f7e131558.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:5060
- 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:4984
- 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:4292

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/5060-134-0x0000000000310000-0x00000000003B0000-memory.dmp

Filesize
640KB

Download
memory/5060-147-0x0000000000310000-0x00000000003B0000-memory.dmp

Filesize
640KB

Download