7b7155a5c5cf08362916c6a7fae7579f63fbf9fc680b98980fafece0e3b26817

Analysis

max time kernel
143s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
18/03/2023, 04:04

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General

Target

7b7155a5c5cf08362916c6a7fae7579f63fbf9fc680b98980fafece0e3b26817.exe
Size

277KB
MD5

8899ea5566e0669957046b735b44b266
SHA1

d920aaba7b43a7a41389dc5d7f0beae5f9d4de68
SHA256

7b7155a5c5cf08362916c6a7fae7579f63fbf9fc680b98980fafece0e3b26817
SHA512

edfa63c8700324782975db2713bef2fa2c42b94e35beb8de928f42bd26dc38cb732d3cbfe86bd96d248b688826865f925b99bba448b8f6f82d15016cc4d92f73
SSDEEP

6144:yXzKdNY49u8rVfQT/TRPkTMekKu01netF:Ba4AIA/tPCNkf01+

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-1-5-21-4238149048-355649189-894321705-1000\Control Panel\International\Geo\Nation	7b7155a5c5cf08362916c6a7fae7579f63fbf9fc680b98980fafece0e3b26817.exe

Executes dropped EXE 2 IoCs

pid	Process
4652	ITS SB App Switch.exe
648	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/4924-133-0x0000000000670000-0x0000000000710000-memory.dmp	upx
behavioral1/memory/4924-143-0x0000000000670000-0x0000000000710000-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
4924	7b7155a5c5cf08362916c6a7fae7579f63fbf9fc680b98980fafece0e3b26817.exe
4924	7b7155a5c5cf08362916c6a7fae7579f63fbf9fc680b98980fafece0e3b26817.exe
4924	7b7155a5c5cf08362916c6a7fae7579f63fbf9fc680b98980fafece0e3b26817.exe
4924	7b7155a5c5cf08362916c6a7fae7579f63fbf9fc680b98980fafece0e3b26817.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4924 wrote to memory of 4652	4924	7b7155a5c5cf08362916c6a7fae7579f63fbf9fc680b98980fafece0e3b26817.exe	86
PID 4924 wrote to memory of 4652	4924	7b7155a5c5cf08362916c6a7fae7579f63fbf9fc680b98980fafece0e3b26817.exe	86
PID 4924 wrote to memory of 4652	4924	7b7155a5c5cf08362916c6a7fae7579f63fbf9fc680b98980fafece0e3b26817.exe	86
PID 4924 wrote to memory of 648	4924	7b7155a5c5cf08362916c6a7fae7579f63fbf9fc680b98980fafece0e3b26817.exe	87
PID 4924 wrote to memory of 648	4924	7b7155a5c5cf08362916c6a7fae7579f63fbf9fc680b98980fafece0e3b26817.exe	87
PID 4924 wrote to memory of 648	4924	7b7155a5c5cf08362916c6a7fae7579f63fbf9fc680b98980fafece0e3b26817.exe	87

C:\Users\Admin\AppData\Local\Temp\7b7155a5c5cf08362916c6a7fae7579f63fbf9fc680b98980fafece0e3b26817.exe
"C:\Users\Admin\AppData\Local\Temp\7b7155a5c5cf08362916c6a7fae7579f63fbf9fc680b98980fafece0e3b26817.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4924
- 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:4652
- 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:648

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
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/4924-133-0x0000000000670000-0x0000000000710000-memory.dmp

Filesize
640KB

Download
memory/4924-143-0x0000000000670000-0x0000000000710000-memory.dmp

Filesize
640KB

Download