9aabdf426620b16358bb48ce7ef0f92e5343715f78e4a35d8733beff57ca497d

General

Target

tmp.exe
Size

9.5MB
MD5

5b0c800dc0a9318659ce511d96f83e31
SHA1

666709ec97b6742b5bdc4b425333a14ac383f12e
SHA256

9aabdf426620b16358bb48ce7ef0f92e5343715f78e4a35d8733beff57ca497d
SHA512

acb1a644100a59a68348ba6e45e98bf5d3e8021573ddef2148a923c31fe6ba218b3cfe8b86db9c48d89ad0bd92c9bb4be5b837bdbd0f9710e5e39696c39a0a45
SSDEEP

196608:tLSbvETcxNk4BMWT+4iBjMfj5WMinMqIDoYUR8QPPQGoZPIe625DL7RaorV:tspepc0BjMLZinMqejE3eFIxwL9aoJ

Score

8^/10

persistence vmprotect

Malware Config

Signatures

Executes dropped EXE 2 IoCs

Processes:

._cache_tmp.exeSynaptics.exe

pid process

4824 ._cache_tmp.exe
524 Synaptics.exe

pid	process
4824	._cache_tmp.exe
524	Synaptics.exe

VMProtect packed file 4 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\._cache_tmp.exe	vmprotect
C:\Users\Admin\AppData\Local\Temp\._cache_tmp.exe	vmprotect
behavioral2/memory/4824-145-0x0000000000400000-0x0000000001FD0000-memory.dmp	vmprotect
behavioral2/memory/4824-149-0x0000000000400000-0x0000000001FD0000-memory.dmp	vmprotect

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

Processes:

tmp.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation tmp.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	tmp.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

tmp.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Synaptics Pointing Device Driver = "C:\\ProgramData\\Synaptics\\Synaptics.exe"	tmp.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE

Modifies registry class 1 IoCs

Processes:

tmp.exe

description ioc process

Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ tmp.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

4872 EXCEL.EXE
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

._cache_tmp.exe

pid process

4824 ._cache_tmp.exe
4824 ._cache_tmp.exe
4824 ._cache_tmp.exe
4824 ._cache_tmp.exe
Suspicious use of SetWindowsHookEx 9 IoCs

Processes:

._cache_tmp.exeEXCEL.EXE

pid process

4824 ._cache_tmp.exe
4872 EXCEL.EXE
4824 ._cache_tmp.exe
4824 ._cache_tmp.exe
4872 EXCEL.EXE
4872 EXCEL.EXE
4872 EXCEL.EXE
4872 EXCEL.EXE
4872 EXCEL.EXE

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	tmp.exe

pid	process
4872	EXCEL.EXE

pid	process
4824	._cache_tmp.exe
4824	._cache_tmp.exe
4824	._cache_tmp.exe
4824	._cache_tmp.exe

pid	process
4824	._cache_tmp.exe
4872	EXCEL.EXE
4824	._cache_tmp.exe
4824	._cache_tmp.exe
4872	EXCEL.EXE
4872	EXCEL.EXE
4872	EXCEL.EXE
4872	EXCEL.EXE
4872	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

tmp.exe

description	pid	process	target process
PID 644 wrote to memory of 4824	644	tmp.exe	._cache_tmp.exe
PID 644 wrote to memory of 4824	644	tmp.exe	._cache_tmp.exe
PID 644 wrote to memory of 4824	644	tmp.exe	._cache_tmp.exe
PID 644 wrote to memory of 524	644	tmp.exe	Synaptics.exe
PID 644 wrote to memory of 524	644	tmp.exe	Synaptics.exe
PID 644 wrote to memory of 524	644	tmp.exe	Synaptics.exe

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:644

C:\Users\Admin\AppData\Local\Temp\._cache_tmp.exe
"C:\Users\Admin\AppData\Local\Temp\._cache_tmp.exe"
2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:4824

C:\ProgramData\Synaptics\Synaptics.exe
"C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
2⤵
- Executes dropped EXE
PID:524

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" /automation -Embedding
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4872

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

4

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\ProgramData\Synaptics\Synaptics.exe
Filesize
753KB

MD5
afbcb017e8e8e0f033b1c99a9a1faff4

SHA1
3cb977fad55be679d4d3382b329ce0447acb8e1b

SHA256
c977953937844dd55cb39a946801dd2fbec9c541d2da94813bafe103fe142e36

SHA512
dae228c8620ed7e741b732ea63decf7067a67e67e3b86383a7c792e3fc50a3b7aec7210046521512cf7ef9be55fa594657dad67eed7afc76107e3c1a28d9349a

Download Submit
C:\ProgramData\Synaptics\Synaptics.exe
Filesize
753KB

MD5
afbcb017e8e8e0f033b1c99a9a1faff4

SHA1
3cb977fad55be679d4d3382b329ce0447acb8e1b

SHA256
c977953937844dd55cb39a946801dd2fbec9c541d2da94813bafe103fe142e36

SHA512
dae228c8620ed7e741b732ea63decf7067a67e67e3b86383a7c792e3fc50a3b7aec7210046521512cf7ef9be55fa594657dad67eed7afc76107e3c1a28d9349a

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C:\Users\Admin\AppData\Local\Temp\._cache_tmp.exe
Filesize
8.7MB

MD5
4222302b8f9a882d169a1d3319f52672

SHA1
2caa2ffd2efbab7dd35b3fc9c670664c16555f1b

SHA256
14cf8986f1357d15096cd964c253f330e2670a042786dc92d03f80ec8e58188b

SHA512
73c0976ae4513e2157ef649a780d4b22d7cb833efd57e3348196837d37b002175f22a24805ad06a1e3415c61178daceb29a556585afd77afc0fcb6c250a1c77e

Download Submit
C:\Users\Admin\AppData\Local\Temp\._cache_tmp.exe
Filesize
8.7MB

MD5
4222302b8f9a882d169a1d3319f52672

SHA1
2caa2ffd2efbab7dd35b3fc9c670664c16555f1b

SHA256
14cf8986f1357d15096cd964c253f330e2670a042786dc92d03f80ec8e58188b

SHA512
73c0976ae4513e2157ef649a780d4b22d7cb833efd57e3348196837d37b002175f22a24805ad06a1e3415c61178daceb29a556585afd77afc0fcb6c250a1c77e

Download Submit
C:\Users\Admin\AppData\Local\Temp\aBuCgW2u.xlsm
Filesize
17KB

MD5
e566fc53051035e1e6fd0ed1823de0f9

SHA1
00bc96c48b98676ecd67e81a6f1d7754e4156044

SHA256
8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

SHA512
a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

Download Submit
memory/524-135-0x0000000000000000-mapping.dmp

Download
memory/4824-145-0x0000000000400000-0x0000000001FD0000-memory.dmp

Filesize
27.8MB

Download
memory/4824-149-0x0000000000400000-0x0000000001FD0000-memory.dmp

Filesize
27.8MB

Download
memory/4824-132-0x0000000000000000-mapping.dmp

Download
memory/4872-140-0x00007FF8A9F90000-0x00007FF8A9FA0000-memory.dmp

Filesize
64KB

Download
memory/4872-142-0x00007FF8A9F90000-0x00007FF8A9FA0000-memory.dmp

Filesize
64KB

Download
memory/4872-141-0x00007FF8A9F90000-0x00007FF8A9FA0000-memory.dmp

Filesize
64KB

Download
memory/4872-147-0x00007FF8A76C0000-0x00007FF8A76D0000-memory.dmp

Filesize
64KB

Download
memory/4872-148-0x00007FF8A76C0000-0x00007FF8A76D0000-memory.dmp

Filesize
64KB

Download
memory/4872-139-0x00007FF8A9F90000-0x00007FF8A9FA0000-memory.dmp

Filesize
64KB

Download
memory/4872-138-0x00007FF8A9F90000-0x00007FF8A9FA0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads