21ecb494fad6222cf2a5640d0df435d4fa95ed2f2f6bbbbd459bdb8c00a9913a

Analysis

max time kernel
75s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
14/02/2023, 09:10

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General

Target

21ecb494fad6222cf2a5640d0df435d4fa95ed2f2f6bbbbd459bdb8c00a9913a.exe
Size

277KB
MD5

6beeb7120d9e83ffd8123af92a7153af
SHA1

70069340bc1cf88dff0ce382764dbed9c6500025
SHA256

21ecb494fad6222cf2a5640d0df435d4fa95ed2f2f6bbbbd459bdb8c00a9913a
SHA512

f0088cdf1ec35575d5c71b1fd3527dda8d11491d18168cbb1b63c0dd3b59697efc5c9b49df844726b172140c55398a20244c3c7529dbd333c9bad9e1979b70c0
SSDEEP

3072:bNXEGZJWhfNFC4S60+XoLczrVmXK+vK3sN1FLL5r6jQ6yGl11JxH01ne4PKYxc:hXzKdNY49u8rVWvusl1GlvT01netL

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-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation	21ecb494fad6222cf2a5640d0df435d4fa95ed2f2f6bbbbd459bdb8c00a9913a.exe

Executes dropped EXE 2 IoCs

pid	Process
2840	ITS SB App Switch.exe
628	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/4156-132-0x00000000000C0000-0x0000000000160000-memory.dmp	upx
behavioral1/memory/4156-137-0x00000000000C0000-0x0000000000160000-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
4156	21ecb494fad6222cf2a5640d0df435d4fa95ed2f2f6bbbbd459bdb8c00a9913a.exe
4156	21ecb494fad6222cf2a5640d0df435d4fa95ed2f2f6bbbbd459bdb8c00a9913a.exe
4156	21ecb494fad6222cf2a5640d0df435d4fa95ed2f2f6bbbbd459bdb8c00a9913a.exe
4156	21ecb494fad6222cf2a5640d0df435d4fa95ed2f2f6bbbbd459bdb8c00a9913a.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4156 wrote to memory of 2840	4156	21ecb494fad6222cf2a5640d0df435d4fa95ed2f2f6bbbbd459bdb8c00a9913a.exe	83
PID 4156 wrote to memory of 2840	4156	21ecb494fad6222cf2a5640d0df435d4fa95ed2f2f6bbbbd459bdb8c00a9913a.exe	83
PID 4156 wrote to memory of 2840	4156	21ecb494fad6222cf2a5640d0df435d4fa95ed2f2f6bbbbd459bdb8c00a9913a.exe	83
PID 4156 wrote to memory of 628	4156	21ecb494fad6222cf2a5640d0df435d4fa95ed2f2f6bbbbd459bdb8c00a9913a.exe	84
PID 4156 wrote to memory of 628	4156	21ecb494fad6222cf2a5640d0df435d4fa95ed2f2f6bbbbd459bdb8c00a9913a.exe	84
PID 4156 wrote to memory of 628	4156	21ecb494fad6222cf2a5640d0df435d4fa95ed2f2f6bbbbd459bdb8c00a9913a.exe	84

C:\Users\Admin\AppData\Local\Temp\21ecb494fad6222cf2a5640d0df435d4fa95ed2f2f6bbbbd459bdb8c00a9913a.exe
"C:\Users\Admin\AppData\Local\Temp\21ecb494fad6222cf2a5640d0df435d4fa95ed2f2f6bbbbd459bdb8c00a9913a.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4156
- 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:2840
- 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:628

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/4156-132-0x00000000000C0000-0x0000000000160000-memory.dmp

Filesize
640KB

Download
memory/4156-137-0x00000000000C0000-0x0000000000160000-memory.dmp

Filesize
640KB

Download