a91593686ce1a1c0a7c02ed6078c7a55efc4458e88234dc698eafde347671414

Analysis

max time kernel
78s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
05/03/2023, 01:16

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General

Target

a91593686ce1a1c0a7c02ed6078c7a55efc4458e88234dc698eafde347671414.exe
Size

277KB
MD5

f68a86bd5582b142f19a4cf40271bd5c
SHA1

0e9190e9686b8a8aa8861db3467c42b15d74adfb
SHA256

a91593686ce1a1c0a7c02ed6078c7a55efc4458e88234dc698eafde347671414
SHA512

050ca3610ccdaabe1b21768c0a8da2086aff348c2c081f2510063fc6d479cd34fd0f3ea79c4fb8ac9e9a54edecaed085da6ddab36da500410f1d874105e47510
SSDEEP

3072:ONXEGZJWhfNFC4S60+XoLczrVmXf7taWq4HjS+/fbC8DcGsu4H01ne4PKjxi:cXzKdNY49u8rVy7tXjLHu8DcG601netc

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-1-5-21-144354903-2550862337-1367551827-1000\Control Panel\International\Geo\Nation	a91593686ce1a1c0a7c02ed6078c7a55efc4458e88234dc698eafde347671414.exe

Executes dropped EXE 2 IoCs

pid	Process
3220	ITS SB App Switch.exe
3904	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/364-137-0x00000000000F0000-0x0000000000190000-memory.dmp	upx
behavioral1/memory/364-150-0x00000000000F0000-0x0000000000190000-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
364	a91593686ce1a1c0a7c02ed6078c7a55efc4458e88234dc698eafde347671414.exe
364	a91593686ce1a1c0a7c02ed6078c7a55efc4458e88234dc698eafde347671414.exe
364	a91593686ce1a1c0a7c02ed6078c7a55efc4458e88234dc698eafde347671414.exe
364	a91593686ce1a1c0a7c02ed6078c7a55efc4458e88234dc698eafde347671414.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 364 wrote to memory of 3220	364	a91593686ce1a1c0a7c02ed6078c7a55efc4458e88234dc698eafde347671414.exe	86
PID 364 wrote to memory of 3220	364	a91593686ce1a1c0a7c02ed6078c7a55efc4458e88234dc698eafde347671414.exe	86
PID 364 wrote to memory of 3220	364	a91593686ce1a1c0a7c02ed6078c7a55efc4458e88234dc698eafde347671414.exe	86
PID 364 wrote to memory of 3904	364	a91593686ce1a1c0a7c02ed6078c7a55efc4458e88234dc698eafde347671414.exe	87
PID 364 wrote to memory of 3904	364	a91593686ce1a1c0a7c02ed6078c7a55efc4458e88234dc698eafde347671414.exe	87
PID 364 wrote to memory of 3904	364	a91593686ce1a1c0a7c02ed6078c7a55efc4458e88234dc698eafde347671414.exe	87

C:\Users\Admin\AppData\Local\Temp\a91593686ce1a1c0a7c02ed6078c7a55efc4458e88234dc698eafde347671414.exe
"C:\Users\Admin\AppData\Local\Temp\a91593686ce1a1c0a7c02ed6078c7a55efc4458e88234dc698eafde347671414.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:364
- 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:3220
- 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:3904

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/364-137-0x00000000000F0000-0x0000000000190000-memory.dmp

Filesize
640KB

Download
memory/364-150-0x00000000000F0000-0x0000000000190000-memory.dmp

Filesize
640KB

Download