9a91bf3b61e3d56dc937350267be50e1d325204b2ebee287dfbfa92f71db1a39

General

Target

9a91bf3b61e3d56dc937350267be50e1d325204b2ebee287dfbfa92f71db1a39.exe
Size

3.9MB
MD5

e1709314a69ea7f52ccdf4a88ac8e8bd
SHA1

56730e2f89bec0ab17fc37c4aa2b53ac49049728
SHA256

9a91bf3b61e3d56dc937350267be50e1d325204b2ebee287dfbfa92f71db1a39
SHA512

8e499137d5c71769bfd04ef5c4affc8c4b5f41298e0f188274d968ab00073483b7cc409644f819a49b7630aab9945be9fe06a23da26a85f1f931a531c72b6368

Score

8^/10

macro persistence upx

Malware Config

Signatures

Downloads MZ/PE file
Executes dropped EXE 2 IoCs

Processes:

._cache_9a91bf3b61e3d56dc937350267be50e1d325204b2ebee287dfbfa92f71db1a39.exeSynaptics.exe

pid process

1792 ._cache_9a91bf3b61e3d56dc937350267be50e1d325204b2ebee287dfbfa92f71db1a39.exe
2676 Synaptics.exe

Suspicious Office macro 1 IoCs

Office document equipped with macros.

macro

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\DBiy6R9V.xlsm	office_macros

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\._cache_9a91bf3b61e3d56dc937350267be50e1d325204b2ebee287dfbfa92f71db1a39.exe	upx
C:\Users\Admin\AppData\Local\Temp\._cache_9a91bf3b61e3d56dc937350267be50e1d325204b2ebee287dfbfa92f71db1a39.exe	upx
behavioral2/memory/1792-125-0x00000000010D0000-0x0000000001790000-memory.dmp	upx

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:

9a91bf3b61e3d56dc937350267be50e1d325204b2ebee287dfbfa92f71db1a39.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Control Panel\International\Geo\Nation	9a91bf3b61e3d56dc937350267be50e1d325204b2ebee287dfbfa92f71db1a39.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

9a91bf3b61e3d56dc937350267be50e1d325204b2ebee287dfbfa92f71db1a39.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\SS CRACK RETRIX = "C:\\ProgramData\\Synaptics\\Synaptics.exe"	9a91bf3b61e3d56dc937350267be50e1d325204b2ebee287dfbfa92f71db1a39.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

._cache_9a91bf3b61e3d56dc937350267be50e1d325204b2ebee287dfbfa92f71db1a39.exe

pid process

1792 ._cache_9a91bf3b61e3d56dc937350267be50e1d325204b2ebee287dfbfa92f71db1a39.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:

9a91bf3b61e3d56dc937350267be50e1d325204b2ebee287dfbfa92f71db1a39.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance	9a91bf3b61e3d56dc937350267be50e1d325204b2ebee287dfbfa92f71db1a39.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

Synaptics.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	Synaptics.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	Synaptics.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

3548 EXCEL.EXE

pid	process
3548	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

._cache_9a91bf3b61e3d56dc937350267be50e1d325204b2ebee287dfbfa92f71db1a39.exe

pid	process
1792	._cache_9a91bf3b61e3d56dc937350267be50e1d325204b2ebee287dfbfa92f71db1a39.exe
1792	._cache_9a91bf3b61e3d56dc937350267be50e1d325204b2ebee287dfbfa92f71db1a39.exe

Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

EXCEL.EXE

pid process

3548 EXCEL.EXE
3548 EXCEL.EXE
3548 EXCEL.EXE
3548 EXCEL.EXE
3548 EXCEL.EXE

pid	process
3548	EXCEL.EXE
3548	EXCEL.EXE
3548	EXCEL.EXE
3548	EXCEL.EXE
3548	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

9a91bf3b61e3d56dc937350267be50e1d325204b2ebee287dfbfa92f71db1a39.exe

description	pid	process	target process
PID 1696 wrote to memory of 1792	1696	9a91bf3b61e3d56dc937350267be50e1d325204b2ebee287dfbfa92f71db1a39.exe	._cache_9a91bf3b61e3d56dc937350267be50e1d325204b2ebee287dfbfa92f71db1a39.exe
PID 1696 wrote to memory of 1792	1696	9a91bf3b61e3d56dc937350267be50e1d325204b2ebee287dfbfa92f71db1a39.exe	._cache_9a91bf3b61e3d56dc937350267be50e1d325204b2ebee287dfbfa92f71db1a39.exe
PID 1696 wrote to memory of 1792	1696	9a91bf3b61e3d56dc937350267be50e1d325204b2ebee287dfbfa92f71db1a39.exe	._cache_9a91bf3b61e3d56dc937350267be50e1d325204b2ebee287dfbfa92f71db1a39.exe
PID 1696 wrote to memory of 2676	1696	9a91bf3b61e3d56dc937350267be50e1d325204b2ebee287dfbfa92f71db1a39.exe	Synaptics.exe
PID 1696 wrote to memory of 2676	1696	9a91bf3b61e3d56dc937350267be50e1d325204b2ebee287dfbfa92f71db1a39.exe	Synaptics.exe
PID 1696 wrote to memory of 2676	1696	9a91bf3b61e3d56dc937350267be50e1d325204b2ebee287dfbfa92f71db1a39.exe	Synaptics.exe

C:\Users\Admin\AppData\Local\Temp\9a91bf3b61e3d56dc937350267be50e1d325204b2ebee287dfbfa92f71db1a39.exe
"C:\Users\Admin\AppData\Local\Temp\9a91bf3b61e3d56dc937350267be50e1d325204b2ebee287dfbfa92f71db1a39.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1696

C:\Users\Admin\AppData\Local\Temp\._cache_9a91bf3b61e3d56dc937350267be50e1d325204b2ebee287dfbfa92f71db1a39.exe
"C:\Users\Admin\AppData\Local\Temp\._cache_9a91bf3b61e3d56dc937350267be50e1d325204b2ebee287dfbfa92f71db1a39.exe"
2⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:1792

C:\ProgramData\Synaptics\Synaptics.exe
"C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
2⤵
- Executes dropped EXE
- Modifies system certificate store
PID:2676

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:3548

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

2

T1112

Install Root Certificate

1

T1130

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

4

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\ProgramData\Synaptics\Synaptics.exe
MD5
2bae0e67ed715358e25efdbc69c56507

SHA1
f5426b9fca39a1d7904ca59d3d83dce1c54d9eb1

SHA256
a2edeb8e3e1cd7e9847cf189f521a8d22422f91fe0add3d2c3e6f5d4f206adc6

SHA512
0632a0164be78d6c97a572eb4aaa9b46df41e1f42e10bf6fb8b9705877dede98d11fa34a9e5855ecb2024e59c6ccde74c97c06b07d2c88fafc469d61d555ccdf

Download Submit
C:\ProgramData\Synaptics\Synaptics.exe
MD5
2bae0e67ed715358e25efdbc69c56507

SHA1
f5426b9fca39a1d7904ca59d3d83dce1c54d9eb1

SHA256
a2edeb8e3e1cd7e9847cf189f521a8d22422f91fe0add3d2c3e6f5d4f206adc6

SHA512
0632a0164be78d6c97a572eb4aaa9b46df41e1f42e10bf6fb8b9705877dede98d11fa34a9e5855ecb2024e59c6ccde74c97c06b07d2c88fafc469d61d555ccdf

Download Submit
C:\Users\Admin\AppData\Local\Temp\._cache_9a91bf3b61e3d56dc937350267be50e1d325204b2ebee287dfbfa92f71db1a39.exe
MD5
1b67d03d66fbd0be5278b726cc7c3fc4

SHA1
7d2771174786f2c950c1b278bd6f5e809b3401da

SHA256
1ea69ef631748d6e17fed5c3d101e4e45a7a0e6abeb5bb99ddd8e4ceeab31c9a

SHA512
1d0348beffbcf6f6f8e96bfe4cdb069a54c255ff185e805b94fc50bff2be8a9c4ebea112dae1bd991f74ef2d503a0987461daabed81ee6c5e2129e21475a83c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\._cache_9a91bf3b61e3d56dc937350267be50e1d325204b2ebee287dfbfa92f71db1a39.exe
MD5
1b67d03d66fbd0be5278b726cc7c3fc4

SHA1
7d2771174786f2c950c1b278bd6f5e809b3401da

SHA256
1ea69ef631748d6e17fed5c3d101e4e45a7a0e6abeb5bb99ddd8e4ceeab31c9a

SHA512
1d0348beffbcf6f6f8e96bfe4cdb069a54c255ff185e805b94fc50bff2be8a9c4ebea112dae1bd991f74ef2d503a0987461daabed81ee6c5e2129e21475a83c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\DBiy6R9V.xlsm
MD5
e566fc53051035e1e6fd0ed1823de0f9

SHA1
00bc96c48b98676ecd67e81a6f1d7754e4156044

SHA256
8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

SHA512
a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

Download Submit
memory/1696-114-0x0000000000910000-0x0000000000A5A000-memory.dmp

Filesize
1.3MB

Download
memory/1792-125-0x00000000010D0000-0x0000000001790000-memory.dmp

Filesize
6.8MB

Download
memory/1792-123-0x00000000007A0000-0x00000000007A1000-memory.dmp

Filesize
4KB

Download
memory/1792-124-0x00000000007B0000-0x00000000007B1000-memory.dmp

Filesize
4KB

Download
memory/1792-126-0x0000000000660000-0x00000000007AA000-memory.dmp

Filesize
1.3MB

Download
memory/1792-115-0x0000000000000000-mapping.dmp

Download
memory/2676-122-0x0000000000540000-0x000000000068A000-memory.dmp

Filesize
1.3MB

Download
memory/2676-118-0x0000000000000000-mapping.dmp

Download
memory/3548-127-0x00007FF8C8B00000-0x00007FF8C8B10000-memory.dmp

Filesize
64KB

Download
memory/3548-128-0x00007FF8C8B00000-0x00007FF8C8B10000-memory.dmp

Filesize
64KB

Download
memory/3548-129-0x00007FF8C8B00000-0x00007FF8C8B10000-memory.dmp

Filesize
64KB

Download
memory/3548-130-0x00007FF8C8B00000-0x00007FF8C8B10000-memory.dmp

Filesize
64KB

Download
memory/3548-133-0x00007FF8E90C0000-0x00007FF8EA1AE000-memory.dmp

Filesize
16.9MB

Download
memory/3548-134-0x00007FF8C8B00000-0x00007FF8C8B10000-memory.dmp

Filesize
64KB

Download
memory/3548-135-0x000001D792F00000-0x000001D794DF5000-memory.dmp

Filesize
31.0MB

Download
memory/3548-121-0x00007FF7AD010000-0x00007FF7B05C6000-memory.dmp

Filesize
53.7MB

Download

pid	process
1792	._cache_9a91bf3b61e3d56dc937350267be50e1d325204b2ebee287dfbfa92f71db1a39.exe
2676	Synaptics.exe

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads