a4eb32f9273e31ef4f46e2a7036cd89aa35e8fe8aa0b67982b0c149d30e88590

Analysis

max time kernel
151s
max time network
154s
platform
windows7_x64
resource
win7-20220715-en
resource tags

arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system
submitted
02-08-2022 21:05

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General

Target

payload.exe
Size

27KB
MD5

719586d8b62ee3203fafc4834472c722
SHA1

8668e69c2eadf4087f56cd4ad5f30b5a960abfb3
SHA256

a4eb32f9273e31ef4f46e2a7036cd89aa35e8fe8aa0b67982b0c149d30e88590
SHA512

6e667e3e75a5f682c7b16d2cf31b30d0019f708efe9c00011e793d3b2b71ad592638911ced815aeb4d14ca356e11c88ba7ed4c6eef3181650e849aa2fd27ec34

Score

7^/10

persistence

Malware Config

Signatures

Drops startup file 1 IoCs

Processes:

payload.exe

description ioc process

File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk payload.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk	payload.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

payload.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows2 = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL"	payload.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows2 = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL"	payload.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL"	payload.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL"	payload.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 21 IoCs

Processes:

payload.exe

description	pid	process
Token: SeDebugPrivilege	2012	payload.exe
Token: 33	2012	payload.exe
Token: SeIncBasePriorityPrivilege	2012	payload.exe
Token: 33	2012	payload.exe
Token: SeIncBasePriorityPrivilege	2012	payload.exe
Token: 33	2012	payload.exe
Token: SeIncBasePriorityPrivilege	2012	payload.exe
Token: 33	2012	payload.exe
Token: SeIncBasePriorityPrivilege	2012	payload.exe
Token: 33	2012	payload.exe
Token: SeIncBasePriorityPrivilege	2012	payload.exe
Token: 33	2012	payload.exe
Token: SeIncBasePriorityPrivilege	2012	payload.exe
Token: 33	2012	payload.exe
Token: SeIncBasePriorityPrivilege	2012	payload.exe
Token: 33	2012	payload.exe
Token: SeIncBasePriorityPrivilege	2012	payload.exe
Token: 33	2012	payload.exe
Token: SeIncBasePriorityPrivilege	2012	payload.exe
Token: 33	2012	payload.exe
Token: SeIncBasePriorityPrivilege	2012	payload.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

payload.exe

description	pid	process	target process
PID 2012 wrote to memory of 1492	2012	payload.exe	attrib.exe
PID 2012 wrote to memory of 1492	2012	payload.exe	attrib.exe
PID 2012 wrote to memory of 1492	2012	payload.exe	attrib.exe
PID 2012 wrote to memory of 1492	2012	payload.exe	attrib.exe
PID 2012 wrote to memory of 1276	2012	payload.exe	attrib.exe
PID 2012 wrote to memory of 1276	2012	payload.exe	attrib.exe
PID 2012 wrote to memory of 1276	2012	payload.exe	attrib.exe
PID 2012 wrote to memory of 1276	2012	payload.exe	attrib.exe

Views/modifies file attributes 1 TTPs 2 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exeattrib.exe

pid process

1492 attrib.exe
1276 attrib.exe

pid	process
1492	attrib.exe
1276	attrib.exe

C:\Users\Admin\AppData\Local\Temp\payload.exe
"C:\Users\Admin\AppData\Local\Temp\payload.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2012

C:\Windows\SysWOW64\attrib.exe
attrib +h +r +s "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.exe"
2⤵
- Views/modifies file attributes
PID:1492

C:\Windows\SysWOW64\attrib.exe
attrib +h +r +s "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Windows.exe"
2⤵
- Views/modifies file attributes
PID:1276

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Hidden Files and Directories

T1158

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Hidden Files and Directories

T1158

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1276-57-0x0000000000000000-mapping.dmp

Download
memory/1492-56-0x0000000000000000-mapping.dmp

Download
memory/2012-54-0x0000000075791000-0x0000000075793000-memory.dmp

Filesize
8KB

Download
memory/2012-55-0x0000000074E00000-0x00000000753AB000-memory.dmp

Filesize
5.7MB

Download
memory/2012-58-0x0000000074E00000-0x00000000753AB000-memory.dmp

Filesize
5.7MB

Download