aec1f47fa369a78426170a3e2ecf75e27124b83f08ddc151b4adb09500fd27f7

Analysis

max time kernel
90s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
14/02/2023, 14:03

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General

Target

aec1f47fa369a78426170a3e2ecf75e27124b83f08ddc151b4adb09500fd27f7.exe
Size

277KB
MD5

4a87042bacf34a03fa48a41bb532dbb9
SHA1

d2c98f936e97013123bb9306e90820bca9645bc5
SHA256

aec1f47fa369a78426170a3e2ecf75e27124b83f08ddc151b4adb09500fd27f7
SHA512

4a17dd0097c673a952eeaa4255dbbe2d863e31ebe3f0d32d124015ce623798457d63f980f4d556ec6d4445f1a7d1922edda6acb4b5e68833f34dbf027e8baeaa
SSDEEP

3072:FNXEGZJWhfNFC4S60+XoLczrVmXniDeu2nBFpzWGLiw6Zau4NDBzdrmaDbI+UH0w:jXzKdNY49u8rV4i32Bqwzz9Q01netN

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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	aec1f47fa369a78426170a3e2ecf75e27124b83f08ddc151b4adb09500fd27f7.exe

Executes dropped EXE 2 IoCs

pid	Process
2324	ITS SB App Switch.exe
4144	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/4956-132-0x0000000000A20000-0x0000000000AC0000-memory.dmp	upx
behavioral1/memory/4956-137-0x0000000000A20000-0x0000000000AC0000-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
4956	aec1f47fa369a78426170a3e2ecf75e27124b83f08ddc151b4adb09500fd27f7.exe
4956	aec1f47fa369a78426170a3e2ecf75e27124b83f08ddc151b4adb09500fd27f7.exe
4956	aec1f47fa369a78426170a3e2ecf75e27124b83f08ddc151b4adb09500fd27f7.exe
4956	aec1f47fa369a78426170a3e2ecf75e27124b83f08ddc151b4adb09500fd27f7.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4956 wrote to memory of 2324	4956	aec1f47fa369a78426170a3e2ecf75e27124b83f08ddc151b4adb09500fd27f7.exe	77
PID 4956 wrote to memory of 2324	4956	aec1f47fa369a78426170a3e2ecf75e27124b83f08ddc151b4adb09500fd27f7.exe	77
PID 4956 wrote to memory of 2324	4956	aec1f47fa369a78426170a3e2ecf75e27124b83f08ddc151b4adb09500fd27f7.exe	77
PID 4956 wrote to memory of 4144	4956	aec1f47fa369a78426170a3e2ecf75e27124b83f08ddc151b4adb09500fd27f7.exe	78
PID 4956 wrote to memory of 4144	4956	aec1f47fa369a78426170a3e2ecf75e27124b83f08ddc151b4adb09500fd27f7.exe	78
PID 4956 wrote to memory of 4144	4956	aec1f47fa369a78426170a3e2ecf75e27124b83f08ddc151b4adb09500fd27f7.exe	78

C:\Users\Admin\AppData\Local\Temp\aec1f47fa369a78426170a3e2ecf75e27124b83f08ddc151b4adb09500fd27f7.exe
"C:\Users\Admin\AppData\Local\Temp\aec1f47fa369a78426170a3e2ecf75e27124b83f08ddc151b4adb09500fd27f7.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4956
- 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:2324
- 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:4144

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
memory/4956-132-0x0000000000A20000-0x0000000000AC0000-memory.dmp

Filesize
640KB

Download
memory/4956-137-0x0000000000A20000-0x0000000000AC0000-memory.dmp

Filesize
640KB

Download