b2c54d41c3ec4e4f5fff1c526e2facc0f85b528c1fca84dc8043132b76346121

Analysis

max time kernel
124s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
18-04-2024 13:45

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General

Target

b2c54d41c3ec4e4f5fff1c526e2facc0f85b528c1fca84dc8043132b76346121.exe
Size

266KB
MD5

9be338b60871b09692d28f0663c50003
SHA1

6a1152e2f521f17aa240afe7c588b892b93ab6c5
SHA256

b2c54d41c3ec4e4f5fff1c526e2facc0f85b528c1fca84dc8043132b76346121
SHA512

ffd8a1ff92222ed546dbf24f7608e07b59a1245e0837dc917d1a05e303e50caf62da7e840697183539394ca9ba2a2596936ecad7235d002160ed0ed050fd185e
SSDEEP

6144:uXzKdNY49u8rVoaKCRIMlr5xuRrUl01net:1a4AwFVlNx901

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-1-5-21-2288054676-1871194608-3559553667-1000\Control Panel\International\Geo\Nation	b2c54d41c3ec4e4f5fff1c526e2facc0f85b528c1fca84dc8043132b76346121.exe

Executes dropped EXE 2 IoCs

pid	Process
4828	ITS SB App Switch.exe
3452	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/3764-0-0x00000000005B0000-0x0000000000650000-memory.dmp	upx
behavioral1/memory/3764-14-0x00000000005B0000-0x0000000000650000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3764	b2c54d41c3ec4e4f5fff1c526e2facc0f85b528c1fca84dc8043132b76346121.exe
3764	b2c54d41c3ec4e4f5fff1c526e2facc0f85b528c1fca84dc8043132b76346121.exe
3764	b2c54d41c3ec4e4f5fff1c526e2facc0f85b528c1fca84dc8043132b76346121.exe
3764	b2c54d41c3ec4e4f5fff1c526e2facc0f85b528c1fca84dc8043132b76346121.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3764 wrote to memory of 4828	3764	b2c54d41c3ec4e4f5fff1c526e2facc0f85b528c1fca84dc8043132b76346121.exe	88
PID 3764 wrote to memory of 4828	3764	b2c54d41c3ec4e4f5fff1c526e2facc0f85b528c1fca84dc8043132b76346121.exe	88
PID 3764 wrote to memory of 4828	3764	b2c54d41c3ec4e4f5fff1c526e2facc0f85b528c1fca84dc8043132b76346121.exe	88
PID 3764 wrote to memory of 3452	3764	b2c54d41c3ec4e4f5fff1c526e2facc0f85b528c1fca84dc8043132b76346121.exe	89
PID 3764 wrote to memory of 3452	3764	b2c54d41c3ec4e4f5fff1c526e2facc0f85b528c1fca84dc8043132b76346121.exe	89
PID 3764 wrote to memory of 3452	3764	b2c54d41c3ec4e4f5fff1c526e2facc0f85b528c1fca84dc8043132b76346121.exe	89

C:\Users\Admin\AppData\Local\Temp\b2c54d41c3ec4e4f5fff1c526e2facc0f85b528c1fca84dc8043132b76346121.exe
"C:\Users\Admin\AppData\Local\Temp\b2c54d41c3ec4e4f5fff1c526e2facc0f85b528c1fca84dc8043132b76346121.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3764
- 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:4828
- 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:3452

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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
memory/3764-0-0x00000000005B0000-0x0000000000650000-memory.dmp

Filesize
640KB

Download
memory/3764-14-0x00000000005B0000-0x0000000000650000-memory.dmp

Filesize
640KB

Download