3728f85dc7c5eba1d063c2c874a13274166db0b8b6dcf6bc1352ae2f197e3660

Analysis

max time kernel
127s
max time network
139s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
28/04/2024, 18:23

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General

Target

2024-04-28_9da1535ab90319e996e2bed3b988e86d_mafia_nionspy.exe
Size

280KB
MD5

9da1535ab90319e996e2bed3b988e86d
SHA1

ecd84f7955b0f59d85eafbbe1be5523828b08819
SHA256

3728f85dc7c5eba1d063c2c874a13274166db0b8b6dcf6bc1352ae2f197e3660
SHA512

757a592067e58dc4b3465f6764c7160d12f97fd50dc4154a2e18444f3b1b90209f508926baf740829be876d034fcc8f8a8d3aa6d24c720e6c42d8c7a69e05ca5
SSDEEP

6144:kTz+WrPFZvTXb4RyW42vFlOloh2E+7pYUozDK:kTBPFV0RyWl3h2E+7pl

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2128	csrssys.exe
2740	csrssys.exe

Loads dropped DLL 4 IoCs

pid	Process
2976	2024-04-28_9da1535ab90319e996e2bed3b988e86d_mafia_nionspy.exe
2976	2024-04-28_9da1535ab90319e996e2bed3b988e86d_mafia_nionspy.exe
2976	2024-04-28_9da1535ab90319e996e2bed3b988e86d_mafia_nionspy.exe
2128	csrssys.exe

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

System Information Discovery
T1082

Modifies registry class 28 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\wexplorer\DefaultIcon	2024-04-28_9da1535ab90319e996e2bed3b988e86d_mafia_nionspy.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\wexplorer\shell\open\command	2024-04-28_9da1535ab90319e996e2bed3b988e86d_mafia_nionspy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\wexplorer\shell\runas\command\IsolatedCommand = "\"%1\" %*"	2024-04-28_9da1535ab90319e996e2bed3b988e86d_mafia_nionspy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\.exe\ = "wexplorer"	2024-04-28_9da1535ab90319e996e2bed3b988e86d_mafia_nionspy.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\.exe\shell\runas\command	2024-04-28_9da1535ab90319e996e2bed3b988e86d_mafia_nionspy.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\.exe\shell	2024-04-28_9da1535ab90319e996e2bed3b988e86d_mafia_nionspy.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\.exe\shell\runas	2024-04-28_9da1535ab90319e996e2bed3b988e86d_mafia_nionspy.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\wexplorer	2024-04-28_9da1535ab90319e996e2bed3b988e86d_mafia_nionspy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\wexplorer\ = "Application"	2024-04-28_9da1535ab90319e996e2bed3b988e86d_mafia_nionspy.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\wexplorer\shell	2024-04-28_9da1535ab90319e996e2bed3b988e86d_mafia_nionspy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\wexplorer\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\SView\\csrssys.exe\" /START \"%1\" %*"	2024-04-28_9da1535ab90319e996e2bed3b988e86d_mafia_nionspy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\.exe\Content-Type = "application/x-msdownload"	2024-04-28_9da1535ab90319e996e2bed3b988e86d_mafia_nionspy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\.exe\shell\open\command\IsolatedCommand = "\"%1\" %*"	2024-04-28_9da1535ab90319e996e2bed3b988e86d_mafia_nionspy.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\wexplorer\shell\runas	2024-04-28_9da1535ab90319e996e2bed3b988e86d_mafia_nionspy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\wexplorer\shell\runas\command\ = "\"%1\" %*"	2024-04-28_9da1535ab90319e996e2bed3b988e86d_mafia_nionspy.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\.exe\shell\open\command	2024-04-28_9da1535ab90319e996e2bed3b988e86d_mafia_nionspy.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\wexplorer\shell\open	2024-04-28_9da1535ab90319e996e2bed3b988e86d_mafia_nionspy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\.exe\DefaultIcon\ = "%1"	2024-04-28_9da1535ab90319e996e2bed3b988e86d_mafia_nionspy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\wexplorer\Content-Type = "application/x-msdownload"	2024-04-28_9da1535ab90319e996e2bed3b988e86d_mafia_nionspy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\wexplorer\DefaultIcon\ = "%1"	2024-04-28_9da1535ab90319e996e2bed3b988e86d_mafia_nionspy.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\wexplorer\shell\runas\command	2024-04-28_9da1535ab90319e996e2bed3b988e86d_mafia_nionspy.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\.exe\shell\open	2024-04-28_9da1535ab90319e996e2bed3b988e86d_mafia_nionspy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\.exe\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\SView\\csrssys.exe\" /START \"%1\" %*"	2024-04-28_9da1535ab90319e996e2bed3b988e86d_mafia_nionspy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\wexplorer\shell\open\command\IsolatedCommand = "\"%1\" %*"	2024-04-28_9da1535ab90319e996e2bed3b988e86d_mafia_nionspy.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\.exe\DefaultIcon	2024-04-28_9da1535ab90319e996e2bed3b988e86d_mafia_nionspy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\.exe\shell\runas\command\IsolatedCommand = "\"%1\" %*"	2024-04-28_9da1535ab90319e996e2bed3b988e86d_mafia_nionspy.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\.exe	2024-04-28_9da1535ab90319e996e2bed3b988e86d_mafia_nionspy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\.exe\shell\runas\command\ = "\"%1\" %*"	2024-04-28_9da1535ab90319e996e2bed3b988e86d_mafia_nionspy.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2128	csrssys.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2976 wrote to memory of 2128	2976	2024-04-28_9da1535ab90319e996e2bed3b988e86d_mafia_nionspy.exe	28
PID 2976 wrote to memory of 2128	2976	2024-04-28_9da1535ab90319e996e2bed3b988e86d_mafia_nionspy.exe	28
PID 2976 wrote to memory of 2128	2976	2024-04-28_9da1535ab90319e996e2bed3b988e86d_mafia_nionspy.exe	28
PID 2976 wrote to memory of 2128	2976	2024-04-28_9da1535ab90319e996e2bed3b988e86d_mafia_nionspy.exe	28
PID 2128 wrote to memory of 2740	2128	csrssys.exe	29
PID 2128 wrote to memory of 2740	2128	csrssys.exe	29
PID 2128 wrote to memory of 2740	2128	csrssys.exe	29
PID 2128 wrote to memory of 2740	2128	csrssys.exe	29

C:\Users\Admin\AppData\Local\Temp\2024-04-28_9da1535ab90319e996e2bed3b988e86d_mafia_nionspy.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-28_9da1535ab90319e996e2bed3b988e86d_mafia_nionspy.exe"
1⤵
- Loads dropped DLL
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2976
- C:\Users\Admin\AppData\Roaming\Microsoft\SView\csrssys.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\SView\csrssys.exe" /START "C:\Users\Admin\AppData\Roaming\Microsoft\SView\csrssys.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2128
- - C:\Users\Admin\AppData\Roaming\Microsoft\SView\csrssys.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\SView\csrssys.exe"
    3⤵
    - Executes dropped EXE
    PID:2740

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Roaming\Microsoft\SView\csrssys.exe

Filesize
280KB

MD5
1ff1b24f2d048397eb99f8734eaf2355

SHA1
1565e3883bf2097f65588bbbbe4fcabb41723654

SHA256
f0d562f6a939c25f9c7e73bb74245367790808465ba43057248b6905123740aa

SHA512
c6ce2e5bb98aa2b578ac11076c865aba3d10b47ee001466a3c8b277908e6a1f417d4587740bcfa87ba05cdc38ebad3bd2bef9ee98f8fdbddd4d6eedd4f38e9df

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