7bc3c2987c94e3cd1428203744359d6214fd9bd9a6596ff01bcb0438f14c2d8d

Analysis

max time kernel
78s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
11/02/2023, 17:17

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General

Target

7bc3c2987c94e3cd1428203744359d6214fd9bd9a6596ff01bcb0438f14c2d8d.exe
Size

277KB
MD5

fd8358d3fe006b00937165703e1dab6d
SHA1

acd566b607db66b9498555f2ffa6fcf424977ce4
SHA256

7bc3c2987c94e3cd1428203744359d6214fd9bd9a6596ff01bcb0438f14c2d8d
SHA512

e3969ea7b377e166bbb6a865f8cb8801e7a11b7386ea1ac1276a84b2140146bde7fa52280a01454c202acd58fb2bb3872f582725ab7f36df956c3f907730032b
SSDEEP

6144:FXzKdNY49u8rV+i32hzJTeB6IxACs2t01netF:2a4AdhzU0IpLt01O

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-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	7bc3c2987c94e3cd1428203744359d6214fd9bd9a6596ff01bcb0438f14c2d8d.exe

Executes dropped EXE 2 IoCs

pid	Process
4788	ITS SB App Switch.exe
1444	ITS SB App Switch.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/3136-132-0x0000000000C50000-0x0000000000CF0000-memory.dmp	upx
behavioral1/memory/3136-133-0x0000000000C50000-0x0000000000CF0000-memory.dmp	upx
behavioral1/memory/3136-139-0x0000000000C50000-0x0000000000CF0000-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
3136	7bc3c2987c94e3cd1428203744359d6214fd9bd9a6596ff01bcb0438f14c2d8d.exe
3136	7bc3c2987c94e3cd1428203744359d6214fd9bd9a6596ff01bcb0438f14c2d8d.exe
3136	7bc3c2987c94e3cd1428203744359d6214fd9bd9a6596ff01bcb0438f14c2d8d.exe
3136	7bc3c2987c94e3cd1428203744359d6214fd9bd9a6596ff01bcb0438f14c2d8d.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3136 wrote to memory of 4788	3136	7bc3c2987c94e3cd1428203744359d6214fd9bd9a6596ff01bcb0438f14c2d8d.exe	80
PID 3136 wrote to memory of 4788	3136	7bc3c2987c94e3cd1428203744359d6214fd9bd9a6596ff01bcb0438f14c2d8d.exe	80
PID 3136 wrote to memory of 4788	3136	7bc3c2987c94e3cd1428203744359d6214fd9bd9a6596ff01bcb0438f14c2d8d.exe	80
PID 3136 wrote to memory of 1444	3136	7bc3c2987c94e3cd1428203744359d6214fd9bd9a6596ff01bcb0438f14c2d8d.exe	82
PID 3136 wrote to memory of 1444	3136	7bc3c2987c94e3cd1428203744359d6214fd9bd9a6596ff01bcb0438f14c2d8d.exe	82
PID 3136 wrote to memory of 1444	3136	7bc3c2987c94e3cd1428203744359d6214fd9bd9a6596ff01bcb0438f14c2d8d.exe	82

C:\Users\Admin\AppData\Local\Temp\7bc3c2987c94e3cd1428203744359d6214fd9bd9a6596ff01bcb0438f14c2d8d.exe
"C:\Users\Admin\AppData\Local\Temp\7bc3c2987c94e3cd1428203744359d6214fd9bd9a6596ff01bcb0438f14c2d8d.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3136
- 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:4788
- 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:1444

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/3136-132-0x0000000000C50000-0x0000000000CF0000-memory.dmp

Filesize
640KB

Download
memory/3136-133-0x0000000000C50000-0x0000000000CF0000-memory.dmp

Filesize
640KB

Download
memory/3136-139-0x0000000000C50000-0x0000000000CF0000-memory.dmp

Filesize
640KB

Download