bb0938af191ac83a0b0d891a6f72f890ab14ee039e9e581ca3b6bc62f92f161d

Analysis

max time kernel
123s
max time network
125s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
26/01/2024, 07:46

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General

Target

2024-01-26_28d0751662e13a00f88f021f3d1916df_mafia_nionspy.exe
Size

327KB
MD5

28d0751662e13a00f88f021f3d1916df
SHA1

ae455b75fa3b7283f4e3c905df7a819e93811450
SHA256

bb0938af191ac83a0b0d891a6f72f890ab14ee039e9e581ca3b6bc62f92f161d
SHA512

3b9e47f70c5b0f633a389813faf1c1e25205e3c02e8469c8d1706387af0b280f8ad68bd51ca7a863fce6545857aaebb6f9a4ad011d33f34858973432953f55bc
SSDEEP

6144:l2+JS2sFafI8U0obHCW/2a7XQcsPMjVWrG8KgbPzDh:l2TFafJiHCWBWPMjVWrXK0

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2836	csrssys.exe
3004	csrssys.exe

Loads dropped DLL 4 IoCs

pid	Process
1796	2024-01-26_28d0751662e13a00f88f021f3d1916df_mafia_nionspy.exe
1796	2024-01-26_28d0751662e13a00f88f021f3d1916df_mafia_nionspy.exe
1796	2024-01-26_28d0751662e13a00f88f021f3d1916df_mafia_nionspy.exe
2836	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-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\wexplorer\ = "Application"	2024-01-26_28d0751662e13a00f88f021f3d1916df_mafia_nionspy.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\.exe\shell\open\command	2024-01-26_28d0751662e13a00f88f021f3d1916df_mafia_nionspy.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\wexplorer\shell	2024-01-26_28d0751662e13a00f88f021f3d1916df_mafia_nionspy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\.exe\ = "wexplorer"	2024-01-26_28d0751662e13a00f88f021f3d1916df_mafia_nionspy.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\.exe\shell\runas\command	2024-01-26_28d0751662e13a00f88f021f3d1916df_mafia_nionspy.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\wexplorer\shell\runas\command	2024-01-26_28d0751662e13a00f88f021f3d1916df_mafia_nionspy.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\.exe	2024-01-26_28d0751662e13a00f88f021f3d1916df_mafia_nionspy.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\.exe\shell\runas	2024-01-26_28d0751662e13a00f88f021f3d1916df_mafia_nionspy.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\wexplorer\shell\open	2024-01-26_28d0751662e13a00f88f021f3d1916df_mafia_nionspy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\wexplorer\shell\runas\command\IsolatedCommand = "\"%1\" %*"	2024-01-26_28d0751662e13a00f88f021f3d1916df_mafia_nionspy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\.exe\Content-Type = "application/x-msdownload"	2024-01-26_28d0751662e13a00f88f021f3d1916df_mafia_nionspy.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\.exe\shell	2024-01-26_28d0751662e13a00f88f021f3d1916df_mafia_nionspy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\.exe\shell\runas\command\ = "\"%1\" %*"	2024-01-26_28d0751662e13a00f88f021f3d1916df_mafia_nionspy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\wexplorer\Content-Type = "application/x-msdownload"	2024-01-26_28d0751662e13a00f88f021f3d1916df_mafia_nionspy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\wexplorer\DefaultIcon\ = "%1"	2024-01-26_28d0751662e13a00f88f021f3d1916df_mafia_nionspy.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\.exe\DefaultIcon	2024-01-26_28d0751662e13a00f88f021f3d1916df_mafia_nionspy.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\.exe\shell\open	2024-01-26_28d0751662e13a00f88f021f3d1916df_mafia_nionspy.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\wexplorer	2024-01-26_28d0751662e13a00f88f021f3d1916df_mafia_nionspy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\.exe\DefaultIcon\ = "%1"	2024-01-26_28d0751662e13a00f88f021f3d1916df_mafia_nionspy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\wexplorer\shell\open\command\IsolatedCommand = "\"%1\" %*"	2024-01-26_28d0751662e13a00f88f021f3d1916df_mafia_nionspy.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\wexplorer\shell\runas	2024-01-26_28d0751662e13a00f88f021f3d1916df_mafia_nionspy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\.exe\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\SysWOW_amd64\\csrssys.exe\" /START \"%1\" %*"	2024-01-26_28d0751662e13a00f88f021f3d1916df_mafia_nionspy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\.exe\shell\open\command\IsolatedCommand = "\"%1\" %*"	2024-01-26_28d0751662e13a00f88f021f3d1916df_mafia_nionspy.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\wexplorer\DefaultIcon	2024-01-26_28d0751662e13a00f88f021f3d1916df_mafia_nionspy.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\wexplorer\shell\open\command	2024-01-26_28d0751662e13a00f88f021f3d1916df_mafia_nionspy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\wexplorer\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\SysWOW_amd64\\csrssys.exe\" /START \"%1\" %*"	2024-01-26_28d0751662e13a00f88f021f3d1916df_mafia_nionspy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\wexplorer\shell\runas\command\ = "\"%1\" %*"	2024-01-26_28d0751662e13a00f88f021f3d1916df_mafia_nionspy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\.exe\shell\runas\command\IsolatedCommand = "\"%1\" %*"	2024-01-26_28d0751662e13a00f88f021f3d1916df_mafia_nionspy.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2836	csrssys.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1796 wrote to memory of 2836	1796	2024-01-26_28d0751662e13a00f88f021f3d1916df_mafia_nionspy.exe	28
PID 1796 wrote to memory of 2836	1796	2024-01-26_28d0751662e13a00f88f021f3d1916df_mafia_nionspy.exe	28
PID 1796 wrote to memory of 2836	1796	2024-01-26_28d0751662e13a00f88f021f3d1916df_mafia_nionspy.exe	28
PID 1796 wrote to memory of 2836	1796	2024-01-26_28d0751662e13a00f88f021f3d1916df_mafia_nionspy.exe	28
PID 2836 wrote to memory of 3004	2836	csrssys.exe	29
PID 2836 wrote to memory of 3004	2836	csrssys.exe	29
PID 2836 wrote to memory of 3004	2836	csrssys.exe	29
PID 2836 wrote to memory of 3004	2836	csrssys.exe	29

C:\Users\Admin\AppData\Local\Temp\2024-01-26_28d0751662e13a00f88f021f3d1916df_mafia_nionspy.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-26_28d0751662e13a00f88f021f3d1916df_mafia_nionspy.exe"
1⤵
- Loads dropped DLL
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1796
- C:\Users\Admin\AppData\Roaming\Microsoft\SysWOW_amd64\csrssys.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\SysWOW_amd64\csrssys.exe" /START "C:\Users\Admin\AppData\Roaming\Microsoft\SysWOW_amd64\csrssys.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2836
- - C:\Users\Admin\AppData\Roaming\Microsoft\SysWOW_amd64\csrssys.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\SysWOW_amd64\csrssys.exe"
    3⤵
    - Executes dropped EXE
    PID:3004

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\SysWOW_amd64\csrssys.exe

Filesize
327KB

MD5
06887723d01b9fefec841eb49f00dee1

SHA1
73e86b4f3d3191ba636bd066a97f2162ad34bb97

SHA256
61e8e515a854854f6642dbc4b000c7b988772d1b484e09462c9aab6cfd353ff2

SHA512
55ca86c9fc2e29a77c270ef007d595aecba864fa39327267d68b34573b7977c3e33140d13a7568adcaf9175f8d51344accc6f265a1a3ab756d7deaee8a8a7836

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