c99e3a37f256ac84a45ee1d4901d6b97c2ef9cf45d99cea730a67cec232c341e

Analysis

max time kernel
146s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
25/03/2024, 15:48

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General

Target

c99e3a37f256ac84a45ee1d4901d6b97c2ef9cf45d99cea730a67cec232c341e.exe
Size

266KB
MD5

b29f6a1563490a7db3637be8de9d4406
SHA1

7944a76d0cbe3ed189f3e5f4237881d0b12df36e
SHA256

c99e3a37f256ac84a45ee1d4901d6b97c2ef9cf45d99cea730a67cec232c341e
SHA512

2c711b291f1bb429faf3aa99a7c1fdd9c905d82a18e4abd3bd8d72ee52e15f35b3185045d9eda2b559235134bd64f7add773a3698f40e797ff68eb7aff62253b
SSDEEP

6144:0XzKdNY49u8rVCRIKsHHN4oqXGc01net:ba4AVXsHt4jB01

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-1-5-21-3045580317-3728985860-206385570-1000\Control Panel\International\Geo\Nation	c99e3a37f256ac84a45ee1d4901d6b97c2ef9cf45d99cea730a67cec232c341e.exe

Executes dropped EXE 2 IoCs

pid	Process
2388	ITS SB App Switch.exe
3596	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/4812-0-0x0000000000C60000-0x0000000000D00000-memory.dmp	upx
behavioral1/memory/4812-14-0x0000000000C60000-0x0000000000D00000-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
4812	c99e3a37f256ac84a45ee1d4901d6b97c2ef9cf45d99cea730a67cec232c341e.exe
4812	c99e3a37f256ac84a45ee1d4901d6b97c2ef9cf45d99cea730a67cec232c341e.exe
4812	c99e3a37f256ac84a45ee1d4901d6b97c2ef9cf45d99cea730a67cec232c341e.exe
4812	c99e3a37f256ac84a45ee1d4901d6b97c2ef9cf45d99cea730a67cec232c341e.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4812 wrote to memory of 2388	4812	c99e3a37f256ac84a45ee1d4901d6b97c2ef9cf45d99cea730a67cec232c341e.exe	91
PID 4812 wrote to memory of 2388	4812	c99e3a37f256ac84a45ee1d4901d6b97c2ef9cf45d99cea730a67cec232c341e.exe	91
PID 4812 wrote to memory of 2388	4812	c99e3a37f256ac84a45ee1d4901d6b97c2ef9cf45d99cea730a67cec232c341e.exe	91
PID 4812 wrote to memory of 3596	4812	c99e3a37f256ac84a45ee1d4901d6b97c2ef9cf45d99cea730a67cec232c341e.exe	92
PID 4812 wrote to memory of 3596	4812	c99e3a37f256ac84a45ee1d4901d6b97c2ef9cf45d99cea730a67cec232c341e.exe	92
PID 4812 wrote to memory of 3596	4812	c99e3a37f256ac84a45ee1d4901d6b97c2ef9cf45d99cea730a67cec232c341e.exe	92

C:\Users\Admin\AppData\Local\Temp\c99e3a37f256ac84a45ee1d4901d6b97c2ef9cf45d99cea730a67cec232c341e.exe
"C:\Users\Admin\AppData\Local\Temp\c99e3a37f256ac84a45ee1d4901d6b97c2ef9cf45d99cea730a67cec232c341e.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4812
- 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:2388
- 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:3596

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/4812-0-0x0000000000C60000-0x0000000000D00000-memory.dmp

Filesize
640KB

Download
memory/4812-14-0x0000000000C60000-0x0000000000D00000-memory.dmp

Filesize
640KB

Download