bf24f2295b6994635b08afd40d0aee9f93baa6003dd6df9b67500d3c70d8158a

Analysis

max time kernel
109s
max time network
111s
platform
windows10-2004_x64
resource
win10v2004-20230221-en
resource tags

arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
submitted
28-03-2023 00:03

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General

Target

bf24f2295b6994635b08afd40d0aee9f93baa6003dd6df9b67500d3c70d8158a.exe
Size

277KB
MD5

e3ad940dceb3e2fc75c320aaabaa5915
SHA1

4b8d4eb3ab6b6cbd81159623358d40b642d10e9b
SHA256

bf24f2295b6994635b08afd40d0aee9f93baa6003dd6df9b67500d3c70d8158a
SHA512

aa878970c52765b9e01d8655f6ab17605c5723795cf676f0d3a6b2f937390646b175f94e19b95d3b7a24ec85670a4cafe2cf011210558566241317b847cb5d7a
SSDEEP

3072:ENXEGZJWhfNFC4S60+XoLczrVmXxTdpF8MZK1FLL5r6jQ6yGl1t+UH01ne4PKbxL:SXzKdNY49u8rVO/W1GlXZ01netx

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

Processes:

bf24f2295b6994635b08afd40d0aee9f93baa6003dd6df9b67500d3c70d8158a.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation	bf24f2295b6994635b08afd40d0aee9f93baa6003dd6df9b67500d3c70d8158a.exe

Executes dropped EXE 2 IoCs

Processes:

ITS SB App Switch.exeITS SB App Switch.exe

pid process

3628 ITS SB App Switch.exe
768 ITS SB App Switch.exe

pid	process
3628	ITS SB App Switch.exe
768	ITS SB App Switch.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral1/memory/1848-134-0x0000000000090000-0x0000000000130000-memory.dmp	upx
behavioral1/memory/1848-147-0x0000000000090000-0x0000000000130000-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

Processes:

bf24f2295b6994635b08afd40d0aee9f93baa6003dd6df9b67500d3c70d8158a.exe

pid	process
1848	bf24f2295b6994635b08afd40d0aee9f93baa6003dd6df9b67500d3c70d8158a.exe
1848	bf24f2295b6994635b08afd40d0aee9f93baa6003dd6df9b67500d3c70d8158a.exe
1848	bf24f2295b6994635b08afd40d0aee9f93baa6003dd6df9b67500d3c70d8158a.exe
1848	bf24f2295b6994635b08afd40d0aee9f93baa6003dd6df9b67500d3c70d8158a.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

bf24f2295b6994635b08afd40d0aee9f93baa6003dd6df9b67500d3c70d8158a.exe

description	pid	process	target process
PID 1848 wrote to memory of 3628	1848	bf24f2295b6994635b08afd40d0aee9f93baa6003dd6df9b67500d3c70d8158a.exe	ITS SB App Switch.exe
PID 1848 wrote to memory of 3628	1848	bf24f2295b6994635b08afd40d0aee9f93baa6003dd6df9b67500d3c70d8158a.exe	ITS SB App Switch.exe
PID 1848 wrote to memory of 3628	1848	bf24f2295b6994635b08afd40d0aee9f93baa6003dd6df9b67500d3c70d8158a.exe	ITS SB App Switch.exe
PID 1848 wrote to memory of 768	1848	bf24f2295b6994635b08afd40d0aee9f93baa6003dd6df9b67500d3c70d8158a.exe	ITS SB App Switch.exe
PID 1848 wrote to memory of 768	1848	bf24f2295b6994635b08afd40d0aee9f93baa6003dd6df9b67500d3c70d8158a.exe	ITS SB App Switch.exe
PID 1848 wrote to memory of 768	1848	bf24f2295b6994635b08afd40d0aee9f93baa6003dd6df9b67500d3c70d8158a.exe	ITS SB App Switch.exe

C:\Users\Admin\AppData\Local\Temp\bf24f2295b6994635b08afd40d0aee9f93baa6003dd6df9b67500d3c70d8158a.exe
"C:\Users\Admin\AppData\Local\Temp\bf24f2295b6994635b08afd40d0aee9f93baa6003dd6df9b67500d3c70d8158a.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1848

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:3628

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:768

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

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
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/1848-134-0x0000000000090000-0x0000000000130000-memory.dmp

Filesize
640KB

Download
memory/1848-147-0x0000000000090000-0x0000000000130000-memory.dmp

Filesize
640KB

Download