88db41a55b6b0ec965cf7c4bc2559d7f02e1ee2829c66bdbf9f1699bca19412d

Analysis

max time kernel
147s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
12/10/2023, 00:08

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General

Target

88db41a55b6b0ec965cf7c4bc2559d7f02e1ee2829c66bdbf9f1699bca19412d.exe
Size

8.4MB
MD5

067ecf759bb4a87d2d7e00e4d89a2a04
SHA1

feef5894b3f1e141eb3e1043291a31f82e98e695
SHA256

88db41a55b6b0ec965cf7c4bc2559d7f02e1ee2829c66bdbf9f1699bca19412d
SHA512

fa434b07e732b146295a8f56f545427e32f4f4db0e30ac92bb4168160246a4426f647d919fedbe006abc22e9864396ea34259f6b50e8997ad0fdc3637b3562a2
SSDEEP

196608:gZghD8OhetZy60ugFA7L7cz+gzaQe+kx3uTXa/ip3:giB8Ohet4Pecz+gUuTXDp

Score

7^/10

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-1-5-21-1926387074-3400613176-3566796709-1000\Control Panel\International\Geo\Nation	88db41a55b6b0ec965cf7c4bc2559d7f02e1ee2829c66bdbf9f1699bca19412d.exe

Executes dropped EXE 1 IoCs

pid	Process
1084	Sigmakey_Fastboot_flasher.exe

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
5092	88db41a55b6b0ec965cf7c4bc2559d7f02e1ee2829c66bdbf9f1699bca19412d.exe
5092	88db41a55b6b0ec965cf7c4bc2559d7f02e1ee2829c66bdbf9f1699bca19412d.exe
5092	88db41a55b6b0ec965cf7c4bc2559d7f02e1ee2829c66bdbf9f1699bca19412d.exe
5092	88db41a55b6b0ec965cf7c4bc2559d7f02e1ee2829c66bdbf9f1699bca19412d.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
5092	88db41a55b6b0ec965cf7c4bc2559d7f02e1ee2829c66bdbf9f1699bca19412d.exe
5092	88db41a55b6b0ec965cf7c4bc2559d7f02e1ee2829c66bdbf9f1699bca19412d.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 5092 wrote to memory of 1084	5092	88db41a55b6b0ec965cf7c4bc2559d7f02e1ee2829c66bdbf9f1699bca19412d.exe	88
PID 5092 wrote to memory of 1084	5092	88db41a55b6b0ec965cf7c4bc2559d7f02e1ee2829c66bdbf9f1699bca19412d.exe	88
PID 5092 wrote to memory of 1084	5092	88db41a55b6b0ec965cf7c4bc2559d7f02e1ee2829c66bdbf9f1699bca19412d.exe	88
PID 5092 wrote to memory of 1084	5092	88db41a55b6b0ec965cf7c4bc2559d7f02e1ee2829c66bdbf9f1699bca19412d.exe	88

C:\Users\Admin\AppData\Local\Temp\88db41a55b6b0ec965cf7c4bc2559d7f02e1ee2829c66bdbf9f1699bca19412d.exe
"C:\Users\Admin\AppData\Local\Temp\88db41a55b6b0ec965cf7c4bc2559d7f02e1ee2829c66bdbf9f1699bca19412d.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5092
- C:\Users\Admin\AppData\Local\Temp\Sigmakey_Fastboot_flasher.exe
  "C:\Users\Admin\AppData\Local\Temp\Sigmakey_Fastboot_flasher.exe"
  2⤵
  - Executes dropped EXE
  PID:1084

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\Sigmakey_Fastboot_flasher.exe

Filesize
6.8MB

MD5
64fb4fab159a6f933654c59dfe06a3e5

SHA1
ae491334820573f6d808233c638652643b7e0337

SHA256
1163972463dac9cae7018fafd0ba6adce7278d127539fbdaa5cbaf34588e3d2c

SHA512
aa9dcaa0356c900efeff598b1eeb55709e1452addb62a3f823d073a7eed1c97f165bfdbd9861ae4d4498c9d8785eabc36f3035eec3ac705a08ec714f34343424

Download Submit
C:\Users\Admin\AppData\Local\Temp\Sigmakey_Fastboot_flasher.exe

Filesize
6.8MB

MD5
64fb4fab159a6f933654c59dfe06a3e5

SHA1
ae491334820573f6d808233c638652643b7e0337

SHA256
1163972463dac9cae7018fafd0ba6adce7278d127539fbdaa5cbaf34588e3d2c

SHA512
aa9dcaa0356c900efeff598b1eeb55709e1452addb62a3f823d073a7eed1c97f165bfdbd9861ae4d4498c9d8785eabc36f3035eec3ac705a08ec714f34343424

Download Submit
memory/1084-11-0x0000000000400000-0x0000000000DB4000-memory.dmp

Filesize
9.7MB

Download