metasploit | c7ed8b000f4af6b1df3709af8551cdada6fff8483b882e5de9848742225297c7

General

Target

tmp.exe
Size

825KB
MD5

bd9e301a962082b9f4682f61d31a82b8
SHA1

fee58db4910fe6f69082d0e428381e1f724c110a
SHA256

c7ed8b000f4af6b1df3709af8551cdada6fff8483b882e5de9848742225297c7
SHA512

c71cf344bba39c822c88919704cf0092333026b221c0626d4e95321c22aa03001d3ab5c723301cc7e9a6aac27d2a01704541b63d1dbb3e5907116db37fde0fe1

Score

10^/10

metasploit backdoor persistence trojan

Malware Config

Extracted

Family

metasploit

Version

windows/reverse_tcp

C2

124.71.29.227:6666

Signatures

MetaSploit
Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.
trojan backdoor metasploit
Executes dropped EXE 2 IoCs

Processes:

._cache_tmp.exeSynaptics.exe

pid process

2792 ._cache_tmp.exe
2316 Synaptics.exe
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-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation tmp.exe

pid	process
2792	._cache_tmp.exe
2316	Synaptics.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\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

556 EXCEL.EXE
Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

EXCEL.EXE

pid process

556 EXCEL.EXE
556 EXCEL.EXE
556 EXCEL.EXE
556 EXCEL.EXE
556 EXCEL.EXE

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

pid	process
556	EXCEL.EXE

pid	process
556	EXCEL.EXE
556	EXCEL.EXE
556	EXCEL.EXE
556	EXCEL.EXE
556	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

tmp.exe

description	pid	process	target process
PID 1876 wrote to memory of 2792	1876	tmp.exe	._cache_tmp.exe
PID 1876 wrote to memory of 2792	1876	tmp.exe	._cache_tmp.exe
PID 1876 wrote to memory of 2792	1876	tmp.exe	._cache_tmp.exe
PID 1876 wrote to memory of 2316	1876	tmp.exe	Synaptics.exe
PID 1876 wrote to memory of 2316	1876	tmp.exe	Synaptics.exe
PID 1876 wrote to memory of 2316	1876	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:1876

C:\Users\Admin\AppData\Local\Temp\._cache_tmp.exe
"C:\Users\Admin\AppData\Local\Temp\._cache_tmp.exe"
2⤵
- Executes dropped EXE
PID:2792

C:\ProgramData\Synaptics\Synaptics.exe
"C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
2⤵
- Executes dropped EXE
PID:2316

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:556

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
0b08746a16610d9e17b0a73bd2fcc44d

SHA1
355f37b87dfff291cf6243ff5ec017b5a6b0160b

SHA256
1165481d3928b1fb91d8b5bea436ecab42f209be754e80f861697cef92f4508c

SHA512
6e55f0691426b9d69a06b155d3e48167e95a5d2dce396bf05d0cb1304ee267c015abc0a1e77419a4c7cd2f00762bee7a58a2a2533d1b018a1489296b2d60302c

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

MD5
0b08746a16610d9e17b0a73bd2fcc44d

SHA1
355f37b87dfff291cf6243ff5ec017b5a6b0160b

SHA256
1165481d3928b1fb91d8b5bea436ecab42f209be754e80f861697cef92f4508c

SHA512
6e55f0691426b9d69a06b155d3e48167e95a5d2dce396bf05d0cb1304ee267c015abc0a1e77419a4c7cd2f00762bee7a58a2a2533d1b018a1489296b2d60302c

Download Submit
C:\Users\Admin\AppData\Local\Temp\._cache_tmp.exe
Filesize
72KB

MD5
ff1cf4f8ef6995b92c22e165d81afda3

SHA1
39ffeb3fb588c55061aacc82cc55156ca09a197a

SHA256
a85f5178eccf89eb0514a98f999429fdd684d62ca536194268949ff906f8f42b

SHA512
d79bc7c4b5de562d3182dd150e251bb65b6bcd1f13b728b53b95154534d56605fc9e1a376d9e9f9c23774740199a01d184d3a6bf392f2bace50c03f02bb3e5fa

Download Submit
C:\Users\Admin\AppData\Local\Temp\._cache_tmp.exe
Filesize
72KB

MD5
ff1cf4f8ef6995b92c22e165d81afda3

SHA1
39ffeb3fb588c55061aacc82cc55156ca09a197a

SHA256
a85f5178eccf89eb0514a98f999429fdd684d62ca536194268949ff906f8f42b

SHA512
d79bc7c4b5de562d3182dd150e251bb65b6bcd1f13b728b53b95154534d56605fc9e1a376d9e9f9c23774740199a01d184d3a6bf392f2bace50c03f02bb3e5fa

Download Submit
C:\Users\Admin\AppData\Local\Temp\19ufTSPl.xlsm
Filesize
17KB

MD5
e566fc53051035e1e6fd0ed1823de0f9

SHA1
00bc96c48b98676ecd67e81a6f1d7754e4156044

SHA256
8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

SHA512
a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

Download Submit
memory/556-139-0x00007FFD30710000-0x00007FFD30720000-memory.dmp

Filesize
64KB

Download
memory/556-136-0x00007FFD30710000-0x00007FFD30720000-memory.dmp

Filesize
64KB

Download
memory/556-137-0x00007FFD30710000-0x00007FFD30720000-memory.dmp

Filesize
64KB

Download
memory/556-138-0x00007FFD30710000-0x00007FFD30720000-memory.dmp

Filesize
64KB

Download
memory/556-140-0x00007FFD30710000-0x00007FFD30720000-memory.dmp

Filesize
64KB

Download
memory/556-141-0x00007FFD2E5B0000-0x00007FFD2E5C0000-memory.dmp

Filesize
64KB

Download
memory/556-142-0x00007FFD2E5B0000-0x00007FFD2E5C0000-memory.dmp

Filesize
64KB

Download
memory/2316-133-0x0000000000000000-mapping.dmp

Download
memory/2792-130-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads