759c6c0585c0936c410a686c8bf9cd16d1a6968d09773891877a7d3be16d9b1b

Analysis

max time kernel
122s
max time network
125s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
25/01/2024, 02:25

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-01-25_4407e5b6b8759ce66f87159f69172467_mafia_nionspy.exe
Size

274KB
MD5

4407e5b6b8759ce66f87159f69172467
SHA1

545be6adcbe98bc260db1a367129ab29f5960e7a
SHA256

759c6c0585c0936c410a686c8bf9cd16d1a6968d09773891877a7d3be16d9b1b
SHA512

5dad9a194efb8618771eda652b93fb913bc759c96c65c0955e4594da7198ac4c9309aeabac6da3513c754deedfdd4e6d4225c9644b7018bdf20823d397499527
SSDEEP

6144:8YvZ6brUj+bvqHXSpWr2Kqz83Oad3Jg4PlPDIQ+KLzDDg:8YvEbrUjp3SpWggd3JBPlPDIQ3g

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2760	csrssys.exe
2860	csrssys.exe

Loads dropped DLL 4 IoCs

pid	Process
1700	2024-01-25_4407e5b6b8759ce66f87159f69172467_mafia_nionspy.exe
1700	2024-01-25_4407e5b6b8759ce66f87159f69172467_mafia_nionspy.exe
1700	2024-01-25_4407e5b6b8759ce66f87159f69172467_mafia_nionspy.exe
2760	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
Set value (str)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\systemui\Content-Type = "application/x-msdownload"	2024-01-25_4407e5b6b8759ce66f87159f69172467_mafia_nionspy.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\.exe\shell\runas\command	2024-01-25_4407e5b6b8759ce66f87159f69172467_mafia_nionspy.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\systemui\shell\open	2024-01-25_4407e5b6b8759ce66f87159f69172467_mafia_nionspy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\.exe\DefaultIcon\ = "%1"	2024-01-25_4407e5b6b8759ce66f87159f69172467_mafia_nionspy.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\.exe\shell\open\command	2024-01-25_4407e5b6b8759ce66f87159f69172467_mafia_nionspy.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\systemui\shell	2024-01-25_4407e5b6b8759ce66f87159f69172467_mafia_nionspy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\systemui\ = "Application"	2024-01-25_4407e5b6b8759ce66f87159f69172467_mafia_nionspy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\systemui\DefaultIcon\ = "%1"	2024-01-25_4407e5b6b8759ce66f87159f69172467_mafia_nionspy.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\systemui\shell\runas	2024-01-25_4407e5b6b8759ce66f87159f69172467_mafia_nionspy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\systemui\shell\runas\command\IsolatedCommand = "\"%1\" %*"	2024-01-25_4407e5b6b8759ce66f87159f69172467_mafia_nionspy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\.exe\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Posix\\csrssys.exe\" /START \"%1\" %*"	2024-01-25_4407e5b6b8759ce66f87159f69172467_mafia_nionspy.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\systemui\shell\runas\command	2024-01-25_4407e5b6b8759ce66f87159f69172467_mafia_nionspy.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\.exe\shell\runas	2024-01-25_4407e5b6b8759ce66f87159f69172467_mafia_nionspy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\.exe\shell\runas\command\ = "\"%1\" %*"	2024-01-25_4407e5b6b8759ce66f87159f69172467_mafia_nionspy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\systemui\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Posix\\csrssys.exe\" /START \"%1\" %*"	2024-01-25_4407e5b6b8759ce66f87159f69172467_mafia_nionspy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\systemui\shell\open\command\IsolatedCommand = "\"%1\" %*"	2024-01-25_4407e5b6b8759ce66f87159f69172467_mafia_nionspy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\.exe\ = "systemui"	2024-01-25_4407e5b6b8759ce66f87159f69172467_mafia_nionspy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\.exe\Content-Type = "application/x-msdownload"	2024-01-25_4407e5b6b8759ce66f87159f69172467_mafia_nionspy.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\.exe\DefaultIcon	2024-01-25_4407e5b6b8759ce66f87159f69172467_mafia_nionspy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\.exe\shell\open\command\IsolatedCommand = "\"%1\" %*"	2024-01-25_4407e5b6b8759ce66f87159f69172467_mafia_nionspy.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\systemui	2024-01-25_4407e5b6b8759ce66f87159f69172467_mafia_nionspy.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\systemui\DefaultIcon	2024-01-25_4407e5b6b8759ce66f87159f69172467_mafia_nionspy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\systemui\shell\runas\command\ = "\"%1\" %*"	2024-01-25_4407e5b6b8759ce66f87159f69172467_mafia_nionspy.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\.exe\shell\open	2024-01-25_4407e5b6b8759ce66f87159f69172467_mafia_nionspy.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\systemui\shell\open\command	2024-01-25_4407e5b6b8759ce66f87159f69172467_mafia_nionspy.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\.exe	2024-01-25_4407e5b6b8759ce66f87159f69172467_mafia_nionspy.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\.exe\shell	2024-01-25_4407e5b6b8759ce66f87159f69172467_mafia_nionspy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\.exe\shell\runas\command\IsolatedCommand = "\"%1\" %*"	2024-01-25_4407e5b6b8759ce66f87159f69172467_mafia_nionspy.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2760	csrssys.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1700 wrote to memory of 2760	1700	2024-01-25_4407e5b6b8759ce66f87159f69172467_mafia_nionspy.exe	28
PID 1700 wrote to memory of 2760	1700	2024-01-25_4407e5b6b8759ce66f87159f69172467_mafia_nionspy.exe	28
PID 1700 wrote to memory of 2760	1700	2024-01-25_4407e5b6b8759ce66f87159f69172467_mafia_nionspy.exe	28
PID 1700 wrote to memory of 2760	1700	2024-01-25_4407e5b6b8759ce66f87159f69172467_mafia_nionspy.exe	28
PID 2760 wrote to memory of 2860	2760	csrssys.exe	29
PID 2760 wrote to memory of 2860	2760	csrssys.exe	29
PID 2760 wrote to memory of 2860	2760	csrssys.exe	29
PID 2760 wrote to memory of 2860	2760	csrssys.exe	29

C:\Users\Admin\AppData\Local\Temp\2024-01-25_4407e5b6b8759ce66f87159f69172467_mafia_nionspy.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_4407e5b6b8759ce66f87159f69172467_mafia_nionspy.exe"
1⤵
- Loads dropped DLL
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1700
- C:\Users\Admin\AppData\Roaming\Microsoft\Posix\csrssys.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Posix\csrssys.exe" /START "C:\Users\Admin\AppData\Roaming\Microsoft\Posix\csrssys.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2760
- - C:\Users\Admin\AppData\Roaming\Microsoft\Posix\csrssys.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Posix\csrssys.exe"
    3⤵
    - Executes dropped EXE
    PID:2860

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Posix\csrssys.exe

Filesize
274KB

MD5
4b19567d54cd5713cd5c507924fc7230

SHA1
e81938f9b5f58bb8f5d6618a4e88ba47ca9fba36

SHA256
6ce7dc3b8879aa287ab24770bd42593fa12d6cd5ef38c60a5494ccbcd9161c29

SHA512
05566542ad31284deb18d1b9e238c772e10aef6780ab0a81ee153ecb20855a1a5e9ab888563572a6fa81d6f75a0a2636a05eeaa23d924741110ee478e934994f

Download Submit