77f2dcc86b55cf8e49611548deec35390c8102079f378afe3e62582485b2ea70

Analysis

max time kernel
91s
max time network
116s
platform
windows10-2004_x64
resource
win10v2004-20230221-en
resource tags

arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
submitted
11/04/2023, 04:30

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General

Target

77f2dcc86b55cf8e49611548deec35390c8102079f378afe3e62582485b2ea70.exe
Size

277KB
MD5

c4bfb172e7c24a72b898151094c84f37
SHA1

17d7f986e25fd064e428a3bff7a89180998bcca0
SHA256

77f2dcc86b55cf8e49611548deec35390c8102079f378afe3e62582485b2ea70
SHA512

fedd3915a74f6036b5f98cbcdc034a2deeee07cd0e879fe61b6553dd2d8cc3b5689cd42b8896da4af8fd843a4ddc92b05f0c3b3c01b532c7404c9897b9ee44ba
SSDEEP

3072:iNXEGZJWhfNFC4S60+XoLczrVmXTAxPJR7wkzEi9ZP7aPQ8ug0x3xS6HkLW/9H09:QXzKdNY49u8rV/RsiqMg0x3jB01netA

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-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation	77f2dcc86b55cf8e49611548deec35390c8102079f378afe3e62582485b2ea70.exe

Executes dropped EXE 2 IoCs

pid	Process
1932	ITS SB App Switch.exe
3448	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/4824-134-0x0000000000A40000-0x0000000000AE0000-memory.dmp	upx
behavioral1/memory/4824-147-0x0000000000A40000-0x0000000000AE0000-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
4824	77f2dcc86b55cf8e49611548deec35390c8102079f378afe3e62582485b2ea70.exe
4824	77f2dcc86b55cf8e49611548deec35390c8102079f378afe3e62582485b2ea70.exe
4824	77f2dcc86b55cf8e49611548deec35390c8102079f378afe3e62582485b2ea70.exe
4824	77f2dcc86b55cf8e49611548deec35390c8102079f378afe3e62582485b2ea70.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4824 wrote to memory of 1932	4824	77f2dcc86b55cf8e49611548deec35390c8102079f378afe3e62582485b2ea70.exe	76
PID 4824 wrote to memory of 1932	4824	77f2dcc86b55cf8e49611548deec35390c8102079f378afe3e62582485b2ea70.exe	76
PID 4824 wrote to memory of 1932	4824	77f2dcc86b55cf8e49611548deec35390c8102079f378afe3e62582485b2ea70.exe	76
PID 4824 wrote to memory of 3448	4824	77f2dcc86b55cf8e49611548deec35390c8102079f378afe3e62582485b2ea70.exe	77
PID 4824 wrote to memory of 3448	4824	77f2dcc86b55cf8e49611548deec35390c8102079f378afe3e62582485b2ea70.exe	77
PID 4824 wrote to memory of 3448	4824	77f2dcc86b55cf8e49611548deec35390c8102079f378afe3e62582485b2ea70.exe	77

C:\Users\Admin\AppData\Local\Temp\77f2dcc86b55cf8e49611548deec35390c8102079f378afe3e62582485b2ea70.exe
"C:\Users\Admin\AppData\Local\Temp\77f2dcc86b55cf8e49611548deec35390c8102079f378afe3e62582485b2ea70.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4824
- 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:1932
- 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:3448

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
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/4824-134-0x0000000000A40000-0x0000000000AE0000-memory.dmp

Filesize
640KB

Download
memory/4824-147-0x0000000000A40000-0x0000000000AE0000-memory.dmp

Filesize
640KB

Download