2bc4acc4f9cb81a78d304d6f7d4bb284a01da04937b78e648f4cfdeff9ec1f04

Analysis

max time kernel
61s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
16-02-2023 11:44

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General

Target

2bc4acc4f9cb81a78d304d6f7d4bb284a01da04937b78e648f4cfdeff9ec1f04.exe
Size

277KB
MD5

43a759a1e9d5bd62e2041fda390e9fe6
SHA1

d9e31231029b32ba333bb61115a25acc6330949f
SHA256

2bc4acc4f9cb81a78d304d6f7d4bb284a01da04937b78e648f4cfdeff9ec1f04
SHA512

b18b9cc7ebf38172886ef327f8b1206c12cd11357598404d2396d56faf13f710d55f6cfd42139ec36791e4173c5525e5ac24772ee821728847c28caba10d3989
SSDEEP

6144:cXzKdNY49u8rV/V376e4wxYBh/d01netU:Ta4Aez4wxgD01n

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	2bc4acc4f9cb81a78d304d6f7d4bb284a01da04937b78e648f4cfdeff9ec1f04.exe

Executes dropped EXE 2 IoCs

pid	Process
452	ITS SB App Switch.exe
3492	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/400-132-0x0000000000BE0000-0x0000000000C80000-memory.dmp	upx
behavioral1/memory/400-137-0x0000000000BE0000-0x0000000000C80000-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
400	2bc4acc4f9cb81a78d304d6f7d4bb284a01da04937b78e648f4cfdeff9ec1f04.exe
400	2bc4acc4f9cb81a78d304d6f7d4bb284a01da04937b78e648f4cfdeff9ec1f04.exe
400	2bc4acc4f9cb81a78d304d6f7d4bb284a01da04937b78e648f4cfdeff9ec1f04.exe
400	2bc4acc4f9cb81a78d304d6f7d4bb284a01da04937b78e648f4cfdeff9ec1f04.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 400 wrote to memory of 452	400	2bc4acc4f9cb81a78d304d6f7d4bb284a01da04937b78e648f4cfdeff9ec1f04.exe	82
PID 400 wrote to memory of 452	400	2bc4acc4f9cb81a78d304d6f7d4bb284a01da04937b78e648f4cfdeff9ec1f04.exe	82
PID 400 wrote to memory of 452	400	2bc4acc4f9cb81a78d304d6f7d4bb284a01da04937b78e648f4cfdeff9ec1f04.exe	82
PID 400 wrote to memory of 3492	400	2bc4acc4f9cb81a78d304d6f7d4bb284a01da04937b78e648f4cfdeff9ec1f04.exe	83
PID 400 wrote to memory of 3492	400	2bc4acc4f9cb81a78d304d6f7d4bb284a01da04937b78e648f4cfdeff9ec1f04.exe	83
PID 400 wrote to memory of 3492	400	2bc4acc4f9cb81a78d304d6f7d4bb284a01da04937b78e648f4cfdeff9ec1f04.exe	83

C:\Users\Admin\AppData\Local\Temp\2bc4acc4f9cb81a78d304d6f7d4bb284a01da04937b78e648f4cfdeff9ec1f04.exe
"C:\Users\Admin\AppData\Local\Temp\2bc4acc4f9cb81a78d304d6f7d4bb284a01da04937b78e648f4cfdeff9ec1f04.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:400
- 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:452
- 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:3492

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/400-132-0x0000000000BE0000-0x0000000000C80000-memory.dmp

Filesize
640KB

Download
memory/400-137-0x0000000000BE0000-0x0000000000C80000-memory.dmp

Filesize
640KB

Download
memory/452-133-0x0000000000000000-mapping.dmp

Download
memory/3492-135-0x0000000000000000-mapping.dmp

Download