7c4ec3f77bbe01bbd816a7da374cb8c491111a2faf35aa1220889f6686be7b1b

Analysis

max time kernel
81s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
11/04/2023, 06:06

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General

Target

7c4ec3f77bbe01bbd816a7da374cb8c491111a2faf35aa1220889f6686be7b1b.exe
Size

277KB
MD5

9a1052366c4fdafe038f26803c9751f1
SHA1

5824ff5d7e3047eb4bca3e06b62a8e76883a1002
SHA256

7c4ec3f77bbe01bbd816a7da374cb8c491111a2faf35aa1220889f6686be7b1b
SHA512

b77bfde2f5fffe875cb7297b556a1fbc90a75bba99c1a7fbebc6f499c6157066a39edcd59591a113ecc22b48b4f188c82a9abd97fe51871f8738da5a45174148
SSDEEP

3072:fNXEGZJWhfNFC4S60+XoLczrVmX8DdpF8MZaWKK8/3UuwiDIAkJhgDdtBDH01neZ:lXzKdNY49u8rVx/fypDIAygDt01netb

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-1-5-21-1529757233-3489015626-3409890339-1000\Control Panel\International\Geo\Nation	7c4ec3f77bbe01bbd816a7da374cb8c491111a2faf35aa1220889f6686be7b1b.exe

Executes dropped EXE 2 IoCs

pid	Process
2504	ITS SB App Switch.exe
4392	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/4324-134-0x00000000006E0000-0x0000000000780000-memory.dmp	upx
behavioral1/memory/4324-147-0x00000000006E0000-0x0000000000780000-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
4324	7c4ec3f77bbe01bbd816a7da374cb8c491111a2faf35aa1220889f6686be7b1b.exe
4324	7c4ec3f77bbe01bbd816a7da374cb8c491111a2faf35aa1220889f6686be7b1b.exe
4324	7c4ec3f77bbe01bbd816a7da374cb8c491111a2faf35aa1220889f6686be7b1b.exe
4324	7c4ec3f77bbe01bbd816a7da374cb8c491111a2faf35aa1220889f6686be7b1b.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4324 wrote to memory of 2504	4324	7c4ec3f77bbe01bbd816a7da374cb8c491111a2faf35aa1220889f6686be7b1b.exe	83
PID 4324 wrote to memory of 2504	4324	7c4ec3f77bbe01bbd816a7da374cb8c491111a2faf35aa1220889f6686be7b1b.exe	83
PID 4324 wrote to memory of 2504	4324	7c4ec3f77bbe01bbd816a7da374cb8c491111a2faf35aa1220889f6686be7b1b.exe	83
PID 4324 wrote to memory of 4392	4324	7c4ec3f77bbe01bbd816a7da374cb8c491111a2faf35aa1220889f6686be7b1b.exe	84
PID 4324 wrote to memory of 4392	4324	7c4ec3f77bbe01bbd816a7da374cb8c491111a2faf35aa1220889f6686be7b1b.exe	84
PID 4324 wrote to memory of 4392	4324	7c4ec3f77bbe01bbd816a7da374cb8c491111a2faf35aa1220889f6686be7b1b.exe	84

C:\Users\Admin\AppData\Local\Temp\7c4ec3f77bbe01bbd816a7da374cb8c491111a2faf35aa1220889f6686be7b1b.exe
"C:\Users\Admin\AppData\Local\Temp\7c4ec3f77bbe01bbd816a7da374cb8c491111a2faf35aa1220889f6686be7b1b.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4324
- 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:2504
- 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:4392

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/4324-134-0x00000000006E0000-0x0000000000780000-memory.dmp

Filesize
640KB

Download
memory/4324-147-0x00000000006E0000-0x0000000000780000-memory.dmp

Filesize
640KB

Download