a5b2a7e1c53e0bc1b50b89be88165f4baf12590883d80f1fa550208f3f27957e

General

Target

a5b2a7e1c53e0bc1b50b89be88165f4baf12590883d80f1fa550208f3f27957e.exe
Size

838KB
MD5

5c4f3990799abbc5f359f5a8174d7278
SHA1

828a4f3544105ff8165c443d47da6b172b6b2467
SHA256

a5b2a7e1c53e0bc1b50b89be88165f4baf12590883d80f1fa550208f3f27957e
SHA512

15c1f37ce6fb84c9a2cb51bbc954eed59937540925e5cdcea273695af3fcca74807622046433b685791c211cf5bdaafec835951d16696526e402a60b215c39ea

Score

8^/10

macro persistence upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

Processes:

._cache_a5b2a7e1c53e0bc1b50b89be88165f4baf12590883d80f1fa550208f3f27957e.exeSynaptics.exe

pid process

564 ._cache_a5b2a7e1c53e0bc1b50b89be88165f4baf12590883d80f1fa550208f3f27957e.exe
1752 Synaptics.exe

pid	process
564	._cache_a5b2a7e1c53e0bc1b50b89be88165f4baf12590883d80f1fa550208f3f27957e.exe
1752	Synaptics.exe

Suspicious Office macro 1 IoCs

Office document equipped with macros.

macro

Processes:

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

UPX packed file 3 IoCs

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

upx

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\._cache_a5b2a7e1c53e0bc1b50b89be88165f4baf12590883d80f1fa550208f3f27957e.exe	upx
\Users\Admin\AppData\Local\Temp\._cache_a5b2a7e1c53e0bc1b50b89be88165f4baf12590883d80f1fa550208f3f27957e.exe	upx
C:\Users\Admin\AppData\Local\Temp\._cache_a5b2a7e1c53e0bc1b50b89be88165f4baf12590883d80f1fa550208f3f27957e.exe	upx

Loads dropped DLL 4 IoCs

Processes:

a5b2a7e1c53e0bc1b50b89be88165f4baf12590883d80f1fa550208f3f27957e.exe

pid	process
1840	a5b2a7e1c53e0bc1b50b89be88165f4baf12590883d80f1fa550208f3f27957e.exe
1840	a5b2a7e1c53e0bc1b50b89be88165f4baf12590883d80f1fa550208f3f27957e.exe
1840	a5b2a7e1c53e0bc1b50b89be88165f4baf12590883d80f1fa550208f3f27957e.exe
1840	a5b2a7e1c53e0bc1b50b89be88165f4baf12590883d80f1fa550208f3f27957e.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

a5b2a7e1c53e0bc1b50b89be88165f4baf12590883d80f1fa550208f3f27957e.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\SS CRACK RETRIX = "C:\\ProgramData\\Synaptics\\Synaptics.exe"	a5b2a7e1c53e0bc1b50b89be88165f4baf12590883d80f1fa550208f3f27957e.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
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	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
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
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25	Synaptics.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1724 EXCEL.EXE
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

EXCEL.EXE

pid process

1724 EXCEL.EXE

pid	process
1724	EXCEL.EXE

pid	process
1724	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

a5b2a7e1c53e0bc1b50b89be88165f4baf12590883d80f1fa550208f3f27957e.exe

description	pid	process	target process
PID 1840 wrote to memory of 564	1840	a5b2a7e1c53e0bc1b50b89be88165f4baf12590883d80f1fa550208f3f27957e.exe	._cache_a5b2a7e1c53e0bc1b50b89be88165f4baf12590883d80f1fa550208f3f27957e.exe
PID 1840 wrote to memory of 564	1840	a5b2a7e1c53e0bc1b50b89be88165f4baf12590883d80f1fa550208f3f27957e.exe	._cache_a5b2a7e1c53e0bc1b50b89be88165f4baf12590883d80f1fa550208f3f27957e.exe
PID 1840 wrote to memory of 564	1840	a5b2a7e1c53e0bc1b50b89be88165f4baf12590883d80f1fa550208f3f27957e.exe	._cache_a5b2a7e1c53e0bc1b50b89be88165f4baf12590883d80f1fa550208f3f27957e.exe
PID 1840 wrote to memory of 564	1840	a5b2a7e1c53e0bc1b50b89be88165f4baf12590883d80f1fa550208f3f27957e.exe	._cache_a5b2a7e1c53e0bc1b50b89be88165f4baf12590883d80f1fa550208f3f27957e.exe
PID 1840 wrote to memory of 1752	1840	a5b2a7e1c53e0bc1b50b89be88165f4baf12590883d80f1fa550208f3f27957e.exe	Synaptics.exe
PID 1840 wrote to memory of 1752	1840	a5b2a7e1c53e0bc1b50b89be88165f4baf12590883d80f1fa550208f3f27957e.exe	Synaptics.exe
PID 1840 wrote to memory of 1752	1840	a5b2a7e1c53e0bc1b50b89be88165f4baf12590883d80f1fa550208f3f27957e.exe	Synaptics.exe
PID 1840 wrote to memory of 1752	1840	a5b2a7e1c53e0bc1b50b89be88165f4baf12590883d80f1fa550208f3f27957e.exe	Synaptics.exe

C:\Users\Admin\AppData\Local\Temp\a5b2a7e1c53e0bc1b50b89be88165f4baf12590883d80f1fa550208f3f27957e.exe
"C:\Users\Admin\AppData\Local\Temp\a5b2a7e1c53e0bc1b50b89be88165f4baf12590883d80f1fa550208f3f27957e.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1840

C:\Users\Admin\AppData\Local\Temp\._cache_a5b2a7e1c53e0bc1b50b89be88165f4baf12590883d80f1fa550208f3f27957e.exe
"C:\Users\Admin\AppData\Local\Temp\._cache_a5b2a7e1c53e0bc1b50b89be88165f4baf12590883d80f1fa550208f3f27957e.exe"
2⤵
- Executes dropped EXE
PID:564

C:\ProgramData\Synaptics\Synaptics.exe
"C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
2⤵
- Executes dropped EXE
- Modifies system certificate store
PID:1752

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:1724

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

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_a5b2a7e1c53e0bc1b50b89be88165f4baf12590883d80f1fa550208f3f27957e.exe
MD5
459cf3e3a6b8de6f30dce46430cfa25d

SHA1
b982d3b95892db1ba85d31801a3b65de3e1c8066

SHA256
5bba48f6acff7e5496af5827265e99d06e2a227f54888f35d844350fac31ccf9

SHA512
d0bdb9900f185f4070f0066057f39dd9c976e562e7a9719fec4783086b599845eb003c56b81047a8f7430dd92d1a1d2ff34574e7aec01d0957cf5672a3d23ea0

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

SHA1
00bc96c48b98676ecd67e81a6f1d7754e4156044

SHA256
8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

SHA512
a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

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

SHA1
f5426b9fca39a1d7904ca59d3d83dce1c54d9eb1

SHA256
a2edeb8e3e1cd7e9847cf189f521a8d22422f91fe0add3d2c3e6f5d4f206adc6

SHA512
0632a0164be78d6c97a572eb4aaa9b46df41e1f42e10bf6fb8b9705877dede98d11fa34a9e5855ecb2024e59c6ccde74c97c06b07d2c88fafc469d61d555ccdf

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

SHA1
f5426b9fca39a1d7904ca59d3d83dce1c54d9eb1

SHA256
a2edeb8e3e1cd7e9847cf189f521a8d22422f91fe0add3d2c3e6f5d4f206adc6

SHA512
0632a0164be78d6c97a572eb4aaa9b46df41e1f42e10bf6fb8b9705877dede98d11fa34a9e5855ecb2024e59c6ccde74c97c06b07d2c88fafc469d61d555ccdf

Download Submit
\Users\Admin\AppData\Local\Temp\._cache_a5b2a7e1c53e0bc1b50b89be88165f4baf12590883d80f1fa550208f3f27957e.exe
MD5
459cf3e3a6b8de6f30dce46430cfa25d

SHA1
b982d3b95892db1ba85d31801a3b65de3e1c8066

SHA256
5bba48f6acff7e5496af5827265e99d06e2a227f54888f35d844350fac31ccf9

SHA512
d0bdb9900f185f4070f0066057f39dd9c976e562e7a9719fec4783086b599845eb003c56b81047a8f7430dd92d1a1d2ff34574e7aec01d0957cf5672a3d23ea0

Download Submit
\Users\Admin\AppData\Local\Temp\._cache_a5b2a7e1c53e0bc1b50b89be88165f4baf12590883d80f1fa550208f3f27957e.exe
MD5
459cf3e3a6b8de6f30dce46430cfa25d

SHA1
b982d3b95892db1ba85d31801a3b65de3e1c8066

SHA256
5bba48f6acff7e5496af5827265e99d06e2a227f54888f35d844350fac31ccf9

SHA512
d0bdb9900f185f4070f0066057f39dd9c976e562e7a9719fec4783086b599845eb003c56b81047a8f7430dd92d1a1d2ff34574e7aec01d0957cf5672a3d23ea0

Download Submit
memory/564-64-0x0000000000000000-mapping.dmp

Download
memory/1724-72-0x000000002F531000-0x000000002F534000-memory.dmp

Filesize
12KB

Download
memory/1724-73-0x00000000717B1000-0x00000000717B3000-memory.dmp

Filesize
8KB

Download
memory/1724-74-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1752-68-0x0000000000000000-mapping.dmp

Download
memory/1752-71-0x0000000000380000-0x0000000000381000-memory.dmp

Filesize
4KB

Download
memory/1840-60-0x00000000757C1000-0x00000000757C3000-memory.dmp

Filesize
8KB

Download
memory/1840-61-0x00000000003A0000-0x00000000003A1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads