671b00427d3d56cd3f611b5d8281232662f80007759ca69c368560f328783fde

Analysis

max time kernel
142s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
31-08-2023 12:53

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General

Target

671b00427d3d56cd3f611b5d8281232662f80007759ca69c368560f328783fde.exe
Size

266KB
MD5

04c5287452927b986a1174d0b2fd1f18
SHA1

a7b93781bfc04793f58668c1e6c48fde1810d2d4
SHA256

671b00427d3d56cd3f611b5d8281232662f80007759ca69c368560f328783fde
SHA512

538873bdbd67432c5e9cd00714e724ce6884d5d0410355334c890e1212f1f7bf37c6137275890231976792c130f093d44e6abfb9d646bff017f6e2cdba5d9dc0
SSDEEP

6144:9XzKdNY49u8rVgsFLOBSXNn2qNJ01net:ea4A+FN501

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-1-5-21-3195054982-4292022746-1467505928-1000\Control Panel\International\Geo\Nation	671b00427d3d56cd3f611b5d8281232662f80007759ca69c368560f328783fde.exe

Executes dropped EXE 2 IoCs

pid	Process
4604	ITS SB App Switch.exe
4880	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/1256-0-0x00000000004D0000-0x0000000000570000-memory.dmp	upx
behavioral1/memory/1256-10-0x00000000004D0000-0x0000000000570000-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
1256	671b00427d3d56cd3f611b5d8281232662f80007759ca69c368560f328783fde.exe
1256	671b00427d3d56cd3f611b5d8281232662f80007759ca69c368560f328783fde.exe
1256	671b00427d3d56cd3f611b5d8281232662f80007759ca69c368560f328783fde.exe
1256	671b00427d3d56cd3f611b5d8281232662f80007759ca69c368560f328783fde.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1256 wrote to memory of 4604	1256	671b00427d3d56cd3f611b5d8281232662f80007759ca69c368560f328783fde.exe	81
PID 1256 wrote to memory of 4604	1256	671b00427d3d56cd3f611b5d8281232662f80007759ca69c368560f328783fde.exe	81
PID 1256 wrote to memory of 4604	1256	671b00427d3d56cd3f611b5d8281232662f80007759ca69c368560f328783fde.exe	81
PID 1256 wrote to memory of 4880	1256	671b00427d3d56cd3f611b5d8281232662f80007759ca69c368560f328783fde.exe	82
PID 1256 wrote to memory of 4880	1256	671b00427d3d56cd3f611b5d8281232662f80007759ca69c368560f328783fde.exe	82
PID 1256 wrote to memory of 4880	1256	671b00427d3d56cd3f611b5d8281232662f80007759ca69c368560f328783fde.exe	82

C:\Users\Admin\AppData\Local\Temp\671b00427d3d56cd3f611b5d8281232662f80007759ca69c368560f328783fde.exe
"C:\Users\Admin\AppData\Local\Temp\671b00427d3d56cd3f611b5d8281232662f80007759ca69c368560f328783fde.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1256
- 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:4604
- 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:4880

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
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/1256-0-0x00000000004D0000-0x0000000000570000-memory.dmp

Filesize
640KB

Download
memory/1256-10-0x00000000004D0000-0x0000000000570000-memory.dmp

Filesize
640KB

Download