a46a9753f2711454cc87173c982f4580e87f585ccea4bbe08e2d6f9aece4232c

General

Target

a46a9753f2711454cc87173c982f4580e87f585ccea4bbe08e2d6f9aece4232c.exe
Size

4.5MB
MD5

24d8b266be520240923e4a53b40a65f4
SHA1

96a8f0b11eefd29f40376c24c8515a96ece708b9
SHA256

a46a9753f2711454cc87173c982f4580e87f585ccea4bbe08e2d6f9aece4232c
SHA512

b4529310e5d49ca97edb006e5d12cd36e786457d9c9dc53543678f8f771e51e344cccb65bbf9031e1af7ae5c9873c939c639e2d6c17b5b5a21dcd48e99cefc69

Score

8^/10

macro persistence

Malware Config

Signatures

Executes dropped EXE 2 IoCs

Processes:

._cache_a46a9753f2711454cc87173c982f4580e87f585ccea4bbe08e2d6f9aece4232c.exeSynaptics.exe

pid process

1988 ._cache_a46a9753f2711454cc87173c982f4580e87f585ccea4bbe08e2d6f9aece4232c.exe
1732 Synaptics.exe

pid	process
1988	._cache_a46a9753f2711454cc87173c982f4580e87f585ccea4bbe08e2d6f9aece4232c.exe
1732	Synaptics.exe

Suspicious Office macro 1 IoCs

Office document equipped with macros.

macro

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\TrnL47LU.xlsm	office_macros

Loads dropped DLL 4 IoCs

Processes:

a46a9753f2711454cc87173c982f4580e87f585ccea4bbe08e2d6f9aece4232c.exe

pid	process
1092	a46a9753f2711454cc87173c982f4580e87f585ccea4bbe08e2d6f9aece4232c.exe
1092	a46a9753f2711454cc87173c982f4580e87f585ccea4bbe08e2d6f9aece4232c.exe
1092	a46a9753f2711454cc87173c982f4580e87f585ccea4bbe08e2d6f9aece4232c.exe
1092	a46a9753f2711454cc87173c982f4580e87f585ccea4bbe08e2d6f9aece4232c.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

a46a9753f2711454cc87173c982f4580e87f585ccea4bbe08e2d6f9aece4232c.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Synaptics Pointing Device Driver = "C:\\ProgramData\\Synaptics\\Synaptics.exe"	a46a9753f2711454cc87173c982f4580e87f585ccea4bbe08e2d6f9aece4232c.exe

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

System Information Discovery
T1082
Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

EXCEL.EXE

description ioc process

Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor	EXCEL.EXE

Modifies Internet Explorer settings 1 TTPs 9 IoCs

adware spyware

Modify Registry

T1112

Processes:

EXCEL.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE

Modifies system certificate store 2 TTPs 3 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\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25	Synaptics.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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	Synaptics.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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	Synaptics.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1364 EXCEL.EXE
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

EXCEL.EXE

pid process

1364 EXCEL.EXE

pid	process
1364	EXCEL.EXE

pid	process
1364	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

a46a9753f2711454cc87173c982f4580e87f585ccea4bbe08e2d6f9aece4232c.exe

description	pid	process	target process
PID 1092 wrote to memory of 1988	1092	a46a9753f2711454cc87173c982f4580e87f585ccea4bbe08e2d6f9aece4232c.exe	._cache_a46a9753f2711454cc87173c982f4580e87f585ccea4bbe08e2d6f9aece4232c.exe
PID 1092 wrote to memory of 1988	1092	a46a9753f2711454cc87173c982f4580e87f585ccea4bbe08e2d6f9aece4232c.exe	._cache_a46a9753f2711454cc87173c982f4580e87f585ccea4bbe08e2d6f9aece4232c.exe
PID 1092 wrote to memory of 1988	1092	a46a9753f2711454cc87173c982f4580e87f585ccea4bbe08e2d6f9aece4232c.exe	._cache_a46a9753f2711454cc87173c982f4580e87f585ccea4bbe08e2d6f9aece4232c.exe
PID 1092 wrote to memory of 1988	1092	a46a9753f2711454cc87173c982f4580e87f585ccea4bbe08e2d6f9aece4232c.exe	._cache_a46a9753f2711454cc87173c982f4580e87f585ccea4bbe08e2d6f9aece4232c.exe
PID 1092 wrote to memory of 1732	1092	a46a9753f2711454cc87173c982f4580e87f585ccea4bbe08e2d6f9aece4232c.exe	Synaptics.exe
PID 1092 wrote to memory of 1732	1092	a46a9753f2711454cc87173c982f4580e87f585ccea4bbe08e2d6f9aece4232c.exe	Synaptics.exe
PID 1092 wrote to memory of 1732	1092	a46a9753f2711454cc87173c982f4580e87f585ccea4bbe08e2d6f9aece4232c.exe	Synaptics.exe
PID 1092 wrote to memory of 1732	1092	a46a9753f2711454cc87173c982f4580e87f585ccea4bbe08e2d6f9aece4232c.exe	Synaptics.exe

C:\Users\Admin\AppData\Local\Temp\a46a9753f2711454cc87173c982f4580e87f585ccea4bbe08e2d6f9aece4232c.exe
"C:\Users\Admin\AppData\Local\Temp\a46a9753f2711454cc87173c982f4580e87f585ccea4bbe08e2d6f9aece4232c.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1092

C:\Users\Admin\AppData\Local\Temp\._cache_a46a9753f2711454cc87173c982f4580e87f585ccea4bbe08e2d6f9aece4232c.exe
"C:\Users\Admin\AppData\Local\Temp\._cache_a46a9753f2711454cc87173c982f4580e87f585ccea4bbe08e2d6f9aece4232c.exe"
2⤵
- Executes dropped EXE
PID:1988

C:\ProgramData\Synaptics\Synaptics.exe
"C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
2⤵
- Executes dropped EXE
- Modifies system certificate store
PID:1732

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /automation -Embedding
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1364

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

3

T1112

Install Root Certificate

1

T1130

Credential Access

Discovery

System Information Discovery

2

T1082

Query Registry

1

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\ProgramData\Synaptics\Synaptics.exe
MD5
85c4062ca855443ba02c2b83503ddc14

SHA1
5fa7451b7808c19a3d28dbbd4f662d0a584b6c77

SHA256
9770a6476b607f28077320caa244bbdde08611769338485faa64ad3bee4616cf

SHA512
851b48968e44604db4d02ec29744e6e2ca006e20bfb8883152860984dd4a648684e20b97b83a0b76afd21a922b3ac1afa9b2d54d9e3125b2e9b6958a8a7f5c7e

Download Submit
C:\ProgramData\Synaptics\Synaptics.exe
MD5
85c4062ca855443ba02c2b83503ddc14

SHA1
5fa7451b7808c19a3d28dbbd4f662d0a584b6c77

SHA256
9770a6476b607f28077320caa244bbdde08611769338485faa64ad3bee4616cf

SHA512
851b48968e44604db4d02ec29744e6e2ca006e20bfb8883152860984dd4a648684e20b97b83a0b76afd21a922b3ac1afa9b2d54d9e3125b2e9b6958a8a7f5c7e

Download Submit
C:\Users\Admin\AppData\Local\Temp\._cache_a46a9753f2711454cc87173c982f4580e87f585ccea4bbe08e2d6f9aece4232c.exe
MD5
aa4dba18b030537996bdd4ae0aa8f06f

SHA1
032ad5be530a9990b562e5fab6eb4d7dd97049e6

SHA256
d266c2f5665f7f19600f4e1d62c09579d3b08e84e73b565cf829530cd0f1ce5d

SHA512
6f68d4bbd0165634fe89c9fd7504f59390f3f7c810a95be4df8687119dbb56f739a405dffee5c558d77038af37c7d9bccafb44ccc0530b20da291b9318200b6d

Download Submit
C:\Users\Admin\AppData\Local\Temp\TrnL47LU.xlsm
MD5
e566fc53051035e1e6fd0ed1823de0f9

SHA1
00bc96c48b98676ecd67e81a6f1d7754e4156044

SHA256
8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

SHA512
a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

Download Submit
\ProgramData\Synaptics\Synaptics.exe
MD5
85c4062ca855443ba02c2b83503ddc14

SHA1
5fa7451b7808c19a3d28dbbd4f662d0a584b6c77

SHA256
9770a6476b607f28077320caa244bbdde08611769338485faa64ad3bee4616cf

SHA512
851b48968e44604db4d02ec29744e6e2ca006e20bfb8883152860984dd4a648684e20b97b83a0b76afd21a922b3ac1afa9b2d54d9e3125b2e9b6958a8a7f5c7e

Download Submit
\ProgramData\Synaptics\Synaptics.exe
MD5
85c4062ca855443ba02c2b83503ddc14

SHA1
5fa7451b7808c19a3d28dbbd4f662d0a584b6c77

SHA256
9770a6476b607f28077320caa244bbdde08611769338485faa64ad3bee4616cf

SHA512
851b48968e44604db4d02ec29744e6e2ca006e20bfb8883152860984dd4a648684e20b97b83a0b76afd21a922b3ac1afa9b2d54d9e3125b2e9b6958a8a7f5c7e

Download Submit
\Users\Admin\AppData\Local\Temp\._cache_a46a9753f2711454cc87173c982f4580e87f585ccea4bbe08e2d6f9aece4232c.exe
MD5
aa4dba18b030537996bdd4ae0aa8f06f

SHA1
032ad5be530a9990b562e5fab6eb4d7dd97049e6

SHA256
d266c2f5665f7f19600f4e1d62c09579d3b08e84e73b565cf829530cd0f1ce5d

SHA512
6f68d4bbd0165634fe89c9fd7504f59390f3f7c810a95be4df8687119dbb56f739a405dffee5c558d77038af37c7d9bccafb44ccc0530b20da291b9318200b6d

Download Submit
\Users\Admin\AppData\Local\Temp\._cache_a46a9753f2711454cc87173c982f4580e87f585ccea4bbe08e2d6f9aece4232c.exe
MD5
aa4dba18b030537996bdd4ae0aa8f06f

SHA1
032ad5be530a9990b562e5fab6eb4d7dd97049e6

SHA256
d266c2f5665f7f19600f4e1d62c09579d3b08e84e73b565cf829530cd0f1ce5d

SHA512
6f68d4bbd0165634fe89c9fd7504f59390f3f7c810a95be4df8687119dbb56f739a405dffee5c558d77038af37c7d9bccafb44ccc0530b20da291b9318200b6d

Download Submit
memory/1092-64-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1092-59-0x0000000076E11000-0x0000000076E13000-memory.dmp

Filesize
8KB

Download
memory/1364-73-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1364-71-0x000000002F4F1000-0x000000002F4F4000-memory.dmp

Filesize
12KB

Download
memory/1364-72-0x0000000071D01000-0x0000000071D03000-memory.dmp

Filesize
8KB

Download
memory/1732-67-0x0000000000000000-mapping.dmp

Download
memory/1732-70-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1988-62-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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