a361f369cc49015aa078503ba003350556e377946a50536f81d819eb0fcbf86e

General

Target

a361f369cc49015aa078503ba003350556e377946a50536f81d819eb0fcbf86e.exe
Size

806KB
MD5

e0d4f53863efe1f8dcba04f558bb5326
SHA1

1a1d25bf141ae1feb0915aac8f9cff569b4e2bdc
SHA256

a361f369cc49015aa078503ba003350556e377946a50536f81d819eb0fcbf86e
SHA512

27dc23e8d05eba49eba0a3bc1dc39809f53bbdef49259077b35dbe973cbe32c4b2e1ffdd4111975153f8f798c0514813f7bd4e80811820433111e53e10ac9907

Score

8^/10

macro persistence

Malware Config

Signatures

Executes dropped EXE 3 IoCs

Processes:

._cache_a361f369cc49015aa078503ba003350556e377946a50536f81d819eb0fcbf86e.exeAu_.exeSynaptics.exe

pid process

3980 ._cache_a361f369cc49015aa078503ba003350556e377946a50536f81d819eb0fcbf86e.exe
508 Au_.exe
336 Synaptics.exe

pid	process
3980	._cache_a361f369cc49015aa078503ba003350556e377946a50536f81d819eb0fcbf86e.exe
508	Au_.exe
336	Synaptics.exe

Suspicious Office macro 1 IoCs

Office document equipped with macros.

macro

Processes:

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

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:

a361f369cc49015aa078503ba003350556e377946a50536f81d819eb0fcbf86e.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Control Panel\International\Geo\Nation	a361f369cc49015aa078503ba003350556e377946a50536f81d819eb0fcbf86e.exe

Loads dropped DLL 1 IoCs

Processes:

Au_.exe

pid process

508 Au_.exe

pid	process
508	Au_.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

a361f369cc49015aa078503ba003350556e377946a50536f81d819eb0fcbf86e.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\SS CRACK RETRIX = "C:\\ProgramData\\Synaptics\\Synaptics.exe"	a361f369cc49015aa078503ba003350556e377946a50536f81d819eb0fcbf86e.exe

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

System Information Discovery
T1082

NSIS installer 8 IoCs

installer

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\._cache_a361f369cc49015aa078503ba003350556e377946a50536f81d819eb0fcbf86e.exe	nsis_installer_1
C:\Users\Admin\AppData\Local\Temp\._cache_a361f369cc49015aa078503ba003350556e377946a50536f81d819eb0fcbf86e.exe	nsis_installer_2
C:\Users\Admin\AppData\Local\Temp\._cache_a361f369cc49015aa078503ba003350556e377946a50536f81d819eb0fcbf86e.exe	nsis_installer_1
C:\Users\Admin\AppData\Local\Temp\._cache_a361f369cc49015aa078503ba003350556e377946a50536f81d819eb0fcbf86e.exe	nsis_installer_2
C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe	nsis_installer_1
C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe	nsis_installer_2
C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe	nsis_installer_1
C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe	nsis_installer_2

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

Modifies registry class 1 IoCs

Processes:

a361f369cc49015aa078503ba003350556e377946a50536f81d819eb0fcbf86e.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance	a361f369cc49015aa078503ba003350556e377946a50536f81d819eb0fcbf86e.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

3988 EXCEL.EXE
Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

EXCEL.EXE

pid process

3988 EXCEL.EXE
3988 EXCEL.EXE
3988 EXCEL.EXE
3988 EXCEL.EXE
3988 EXCEL.EXE

pid	process
3988	EXCEL.EXE

pid	process
3988	EXCEL.EXE
3988	EXCEL.EXE
3988	EXCEL.EXE
3988	EXCEL.EXE
3988	EXCEL.EXE

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

a361f369cc49015aa078503ba003350556e377946a50536f81d819eb0fcbf86e.exe._cache_a361f369cc49015aa078503ba003350556e377946a50536f81d819eb0fcbf86e.exe

description	pid	process	target process
PID 804 wrote to memory of 3980	804	a361f369cc49015aa078503ba003350556e377946a50536f81d819eb0fcbf86e.exe	._cache_a361f369cc49015aa078503ba003350556e377946a50536f81d819eb0fcbf86e.exe
PID 804 wrote to memory of 3980	804	a361f369cc49015aa078503ba003350556e377946a50536f81d819eb0fcbf86e.exe	._cache_a361f369cc49015aa078503ba003350556e377946a50536f81d819eb0fcbf86e.exe
PID 804 wrote to memory of 3980	804	a361f369cc49015aa078503ba003350556e377946a50536f81d819eb0fcbf86e.exe	._cache_a361f369cc49015aa078503ba003350556e377946a50536f81d819eb0fcbf86e.exe
PID 3980 wrote to memory of 508	3980	._cache_a361f369cc49015aa078503ba003350556e377946a50536f81d819eb0fcbf86e.exe	Au_.exe
PID 3980 wrote to memory of 508	3980	._cache_a361f369cc49015aa078503ba003350556e377946a50536f81d819eb0fcbf86e.exe	Au_.exe
PID 3980 wrote to memory of 508	3980	._cache_a361f369cc49015aa078503ba003350556e377946a50536f81d819eb0fcbf86e.exe	Au_.exe
PID 804 wrote to memory of 336	804	a361f369cc49015aa078503ba003350556e377946a50536f81d819eb0fcbf86e.exe	Synaptics.exe
PID 804 wrote to memory of 336	804	a361f369cc49015aa078503ba003350556e377946a50536f81d819eb0fcbf86e.exe	Synaptics.exe
PID 804 wrote to memory of 336	804	a361f369cc49015aa078503ba003350556e377946a50536f81d819eb0fcbf86e.exe	Synaptics.exe

C:\Users\Admin\AppData\Local\Temp\a361f369cc49015aa078503ba003350556e377946a50536f81d819eb0fcbf86e.exe
"C:\Users\Admin\AppData\Local\Temp\a361f369cc49015aa078503ba003350556e377946a50536f81d819eb0fcbf86e.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:804

C:\Users\Admin\AppData\Local\Temp\._cache_a361f369cc49015aa078503ba003350556e377946a50536f81d819eb0fcbf86e.exe
"C:\Users\Admin\AppData\Local\Temp\._cache_a361f369cc49015aa078503ba003350556e377946a50536f81d819eb0fcbf86e.exe"
2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3980

C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
"C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe" _?=C:\Users\Admin\AppData\Local\Temp\
3⤵
- Executes dropped EXE
- Loads dropped DLL
PID:508

C:\ProgramData\Synaptics\Synaptics.exe
"C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
2⤵
- Executes dropped EXE
PID:336

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:3988

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
MD5
2783f7626d30818ef156885b11ec8b50

SHA1
2c593c07ab0fe2d1e53abd41ef14fa56a444df7f

SHA256
df0a47aee55dea6a32dca96cab5673ecbec9e4c4ab87d2f01d2b2bdbc7795b0a

SHA512
080801d49b85731845a132f66acbf4328380f028480ee0ee165fdec3e929132bdc794cc325128ee4ad03ab7c1c2eb9ed37133f3e1187803068a09fec5a1a9a9e

Download Submit
C:\ProgramData\Synaptics\Synaptics.exe
MD5
2783f7626d30818ef156885b11ec8b50

SHA1
2c593c07ab0fe2d1e53abd41ef14fa56a444df7f

SHA256
df0a47aee55dea6a32dca96cab5673ecbec9e4c4ab87d2f01d2b2bdbc7795b0a

SHA512
080801d49b85731845a132f66acbf4328380f028480ee0ee165fdec3e929132bdc794cc325128ee4ad03ab7c1c2eb9ed37133f3e1187803068a09fec5a1a9a9e

Download Submit
C:\Users\Admin\AppData\Local\Temp\._cache_a361f369cc49015aa078503ba003350556e377946a50536f81d819eb0fcbf86e.exe
MD5
f897cf66755902a298444bc23e8d3757

SHA1
bacc5f8bb2d170f6784653fa2d9c6a8321fd93ba

SHA256
0f86541f30ef1ed7da5c50e1f5e72318f5ba396e609dcdfdc00c6fd3487f1bab

SHA512
977bd7ad15e54a64d1bc6c3448aee118d0d9ec50a7e7007fd923c2cabbadf4fa1a191c239c8cb1c0c5828cc88446b1dd02f69addde99e9bd333e5649d7270e7e

Download Submit
C:\Users\Admin\AppData\Local\Temp\._cache_a361f369cc49015aa078503ba003350556e377946a50536f81d819eb0fcbf86e.exe
MD5
f897cf66755902a298444bc23e8d3757

SHA1
bacc5f8bb2d170f6784653fa2d9c6a8321fd93ba

SHA256
0f86541f30ef1ed7da5c50e1f5e72318f5ba396e609dcdfdc00c6fd3487f1bab

SHA512
977bd7ad15e54a64d1bc6c3448aee118d0d9ec50a7e7007fd923c2cabbadf4fa1a191c239c8cb1c0c5828cc88446b1dd02f69addde99e9bd333e5649d7270e7e

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

SHA1
00bc96c48b98676ecd67e81a6f1d7754e4156044

SHA256
8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

SHA512
a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

Download Submit
C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
MD5
f897cf66755902a298444bc23e8d3757

SHA1
bacc5f8bb2d170f6784653fa2d9c6a8321fd93ba

SHA256
0f86541f30ef1ed7da5c50e1f5e72318f5ba396e609dcdfdc00c6fd3487f1bab

SHA512
977bd7ad15e54a64d1bc6c3448aee118d0d9ec50a7e7007fd923c2cabbadf4fa1a191c239c8cb1c0c5828cc88446b1dd02f69addde99e9bd333e5649d7270e7e

Download Submit
C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
MD5
f897cf66755902a298444bc23e8d3757

SHA1
bacc5f8bb2d170f6784653fa2d9c6a8321fd93ba

SHA256
0f86541f30ef1ed7da5c50e1f5e72318f5ba396e609dcdfdc00c6fd3487f1bab

SHA512
977bd7ad15e54a64d1bc6c3448aee118d0d9ec50a7e7007fd923c2cabbadf4fa1a191c239c8cb1c0c5828cc88446b1dd02f69addde99e9bd333e5649d7270e7e

Download Submit
\Users\Admin\AppData\Local\Temp\nsaAE09.tmp\System.dll
MD5
c17103ae9072a06da581dec998343fc1

SHA1
b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

SHA256
dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

SHA512
d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

Download Submit
memory/336-125-0x00000000004D0000-0x000000000057E000-memory.dmp

Filesize
696KB

Download
memory/336-121-0x0000000000000000-mapping.dmp

Download
memory/508-118-0x0000000000000000-mapping.dmp

Download
memory/804-114-0x00000000023D0000-0x00000000023D1000-memory.dmp

Filesize
4KB

Download
memory/3980-115-0x0000000000000000-mapping.dmp

Download
memory/3988-124-0x00007FF6E9240000-0x00007FF6EC7F6000-memory.dmp

Filesize
53.7MB

Download
memory/3988-127-0x00007FFD2ADC0000-0x00007FFD2ADD0000-memory.dmp

Filesize
64KB

Download
memory/3988-128-0x00007FFD2ADC0000-0x00007FFD2ADD0000-memory.dmp

Filesize
64KB

Download
memory/3988-129-0x00007FFD2ADC0000-0x00007FFD2ADD0000-memory.dmp

Filesize
64KB

Download
memory/3988-130-0x00007FFD2ADC0000-0x00007FFD2ADD0000-memory.dmp

Filesize
64KB

Download
memory/3988-133-0x00007FFD2ADC0000-0x00007FFD2ADD0000-memory.dmp

Filesize
64KB

Download
memory/3988-134-0x00007FFD4C3C0000-0x00007FFD4D4AE000-memory.dmp

Filesize
16.9MB

Download
memory/3988-135-0x00007FFD4A4C0000-0x00007FFD4C3B5000-memory.dmp

Filesize
31.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads