97c1b94ee3f60e8edff3f0d49cd66de6f30b3df4bc065625280bbf9a977d254a

Analysis

max time kernel
90s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
16/02/2023, 11:33

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General

Target

97c1b94ee3f60e8edff3f0d49cd66de6f30b3df4bc065625280bbf9a977d254a.exe
Size

277KB
MD5

c3978de222f2c88d7da2eb7fb588d7cd
SHA1

d583327c2b2075812258317a618a9ecad67f6cd0
SHA256

97c1b94ee3f60e8edff3f0d49cd66de6f30b3df4bc065625280bbf9a977d254a
SHA512

71b66bb5a8aed1c7550a29fea39f8c08298000f75bf44296095d6414b1062df8ba0cbf901ff05b2ca6553c8db65d17a546716f82e829538e1b9ef96dc86087e5
SSDEEP

6144:BXzKdNY49u8rVD1hV7k1QXzF5OtmI01net7:6a4Aw1/7lXioI01Q

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-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	97c1b94ee3f60e8edff3f0d49cd66de6f30b3df4bc065625280bbf9a977d254a.exe

Executes dropped EXE 2 IoCs

pid	Process
4840	ITS SB App Switch.exe
3100	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/764-132-0x00000000005B0000-0x0000000000650000-memory.dmp	upx
behavioral1/memory/764-138-0x00000000005B0000-0x0000000000650000-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
764	97c1b94ee3f60e8edff3f0d49cd66de6f30b3df4bc065625280bbf9a977d254a.exe
764	97c1b94ee3f60e8edff3f0d49cd66de6f30b3df4bc065625280bbf9a977d254a.exe
764	97c1b94ee3f60e8edff3f0d49cd66de6f30b3df4bc065625280bbf9a977d254a.exe
764	97c1b94ee3f60e8edff3f0d49cd66de6f30b3df4bc065625280bbf9a977d254a.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 764 wrote to memory of 4840	764	97c1b94ee3f60e8edff3f0d49cd66de6f30b3df4bc065625280bbf9a977d254a.exe	81
PID 764 wrote to memory of 4840	764	97c1b94ee3f60e8edff3f0d49cd66de6f30b3df4bc065625280bbf9a977d254a.exe	81
PID 764 wrote to memory of 4840	764	97c1b94ee3f60e8edff3f0d49cd66de6f30b3df4bc065625280bbf9a977d254a.exe	81
PID 764 wrote to memory of 3100	764	97c1b94ee3f60e8edff3f0d49cd66de6f30b3df4bc065625280bbf9a977d254a.exe	82
PID 764 wrote to memory of 3100	764	97c1b94ee3f60e8edff3f0d49cd66de6f30b3df4bc065625280bbf9a977d254a.exe	82
PID 764 wrote to memory of 3100	764	97c1b94ee3f60e8edff3f0d49cd66de6f30b3df4bc065625280bbf9a977d254a.exe	82

C:\Users\Admin\AppData\Local\Temp\97c1b94ee3f60e8edff3f0d49cd66de6f30b3df4bc065625280bbf9a977d254a.exe
"C:\Users\Admin\AppData\Local\Temp\97c1b94ee3f60e8edff3f0d49cd66de6f30b3df4bc065625280bbf9a977d254a.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:764
- 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:4840
- 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:3100

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/764-132-0x00000000005B0000-0x0000000000650000-memory.dmp

Filesize
640KB

Download
memory/764-138-0x00000000005B0000-0x0000000000650000-memory.dmp

Filesize
640KB

Download