6a8670f997a7b3a7c4525b3c65b071ba9c4a67edb23a01c3ffd3b639849d4bd7

Analysis

max time kernel
121s
max time network
124s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
21/08/2023, 18:38

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General

Target

66f2599f7689970fb76602b7d7824db8_mafia_nionspy_JC.exe
Size

327KB
MD5

66f2599f7689970fb76602b7d7824db8
SHA1

ad897208d5f6a04ba3d4756d6922196d83b7f109
SHA256

6a8670f997a7b3a7c4525b3c65b071ba9c4a67edb23a01c3ffd3b639849d4bd7
SHA512

8962d98512dfac856bdc3c5f20bffd984faf876fa6a0970336d5aa5a37ba149a0daeab08d2b9159722218ce601e795e0f01feed92b2c94c4b153d3b61fe55826
SSDEEP

6144:q2+JS2sFafI8U0obHCW/2a7XQcsPMjVWrG8KgbPzDh:q2TFafJiHCWBWPMjVWrXK0

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2528	csrssys.exe
2976	csrssys.exe

Loads dropped DLL 4 IoCs

pid	Process
1136	66f2599f7689970fb76602b7d7824db8_mafia_nionspy_JC.exe
1136	66f2599f7689970fb76602b7d7824db8_mafia_nionspy_JC.exe
1136	66f2599f7689970fb76602b7d7824db8_mafia_nionspy_JC.exe
2528	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-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\.exe\DefaultIcon	66f2599f7689970fb76602b7d7824db8_mafia_nionspy_JC.exe
Key created	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\.exe\shell	66f2599f7689970fb76602b7d7824db8_mafia_nionspy_JC.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\wexplorer\ = "Application"	66f2599f7689970fb76602b7d7824db8_mafia_nionspy_JC.exe
Key created	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\wexplorer\shell\open\command	66f2599f7689970fb76602b7d7824db8_mafia_nionspy_JC.exe
Key created	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\wexplorer\shell\runas	66f2599f7689970fb76602b7d7824db8_mafia_nionspy_JC.exe
Key created	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\wexplorer\shell\runas\command	66f2599f7689970fb76602b7d7824db8_mafia_nionspy_JC.exe
Key created	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\.exe\shell\open	66f2599f7689970fb76602b7d7824db8_mafia_nionspy_JC.exe
Key created	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\.exe\shell\runas\command	66f2599f7689970fb76602b7d7824db8_mafia_nionspy_JC.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\wexplorer\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\XMMC\\csrssys.exe\" /START \"%1\" %*"	66f2599f7689970fb76602b7d7824db8_mafia_nionspy_JC.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\.exe\ = "wexplorer"	66f2599f7689970fb76602b7d7824db8_mafia_nionspy_JC.exe
Key created	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\.exe\shell\open\command	66f2599f7689970fb76602b7d7824db8_mafia_nionspy_JC.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\wexplorer\Content-Type = "application/x-msdownload"	66f2599f7689970fb76602b7d7824db8_mafia_nionspy_JC.exe
Key created	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\wexplorer\shell\open	66f2599f7689970fb76602b7d7824db8_mafia_nionspy_JC.exe
Key created	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\wexplorer\DefaultIcon	66f2599f7689970fb76602b7d7824db8_mafia_nionspy_JC.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\wexplorer\shell\open\command\IsolatedCommand = "\"%1\" %*"	66f2599f7689970fb76602b7d7824db8_mafia_nionspy_JC.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\.exe\DefaultIcon\ = "%1"	66f2599f7689970fb76602b7d7824db8_mafia_nionspy_JC.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\.exe\Content-Type = "application/x-msdownload"	66f2599f7689970fb76602b7d7824db8_mafia_nionspy_JC.exe
Key created	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\.exe\shell\runas	66f2599f7689970fb76602b7d7824db8_mafia_nionspy_JC.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\.exe\shell\runas\command\IsolatedCommand = "\"%1\" %*"	66f2599f7689970fb76602b7d7824db8_mafia_nionspy_JC.exe
Key created	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\wexplorer\shell	66f2599f7689970fb76602b7d7824db8_mafia_nionspy_JC.exe
Key created	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\.exe	66f2599f7689970fb76602b7d7824db8_mafia_nionspy_JC.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\.exe\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\XMMC\\csrssys.exe\" /START \"%1\" %*"	66f2599f7689970fb76602b7d7824db8_mafia_nionspy_JC.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\wexplorer\shell\runas\command\IsolatedCommand = "\"%1\" %*"	66f2599f7689970fb76602b7d7824db8_mafia_nionspy_JC.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\.exe\shell\open\command\IsolatedCommand = "\"%1\" %*"	66f2599f7689970fb76602b7d7824db8_mafia_nionspy_JC.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\.exe\shell\runas\command\ = "\"%1\" %*"	66f2599f7689970fb76602b7d7824db8_mafia_nionspy_JC.exe
Key created	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\wexplorer	66f2599f7689970fb76602b7d7824db8_mafia_nionspy_JC.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\wexplorer\DefaultIcon\ = "%1"	66f2599f7689970fb76602b7d7824db8_mafia_nionspy_JC.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\wexplorer\shell\runas\command\ = "\"%1\" %*"	66f2599f7689970fb76602b7d7824db8_mafia_nionspy_JC.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2528	csrssys.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1136 wrote to memory of 2528	1136	66f2599f7689970fb76602b7d7824db8_mafia_nionspy_JC.exe	28
PID 1136 wrote to memory of 2528	1136	66f2599f7689970fb76602b7d7824db8_mafia_nionspy_JC.exe	28
PID 1136 wrote to memory of 2528	1136	66f2599f7689970fb76602b7d7824db8_mafia_nionspy_JC.exe	28
PID 1136 wrote to memory of 2528	1136	66f2599f7689970fb76602b7d7824db8_mafia_nionspy_JC.exe	28
PID 2528 wrote to memory of 2976	2528	csrssys.exe	29
PID 2528 wrote to memory of 2976	2528	csrssys.exe	29
PID 2528 wrote to memory of 2976	2528	csrssys.exe	29
PID 2528 wrote to memory of 2976	2528	csrssys.exe	29

C:\Users\Admin\AppData\Local\Temp\66f2599f7689970fb76602b7d7824db8_mafia_nionspy_JC.exe
"C:\Users\Admin\AppData\Local\Temp\66f2599f7689970fb76602b7d7824db8_mafia_nionspy_JC.exe"
1⤵
- Loads dropped DLL
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1136
- C:\Users\Admin\AppData\Roaming\Microsoft\XMMC\csrssys.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\XMMC\csrssys.exe" /START "C:\Users\Admin\AppData\Roaming\Microsoft\XMMC\csrssys.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2528
- - C:\Users\Admin\AppData\Roaming\Microsoft\XMMC\csrssys.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\XMMC\csrssys.exe"
    3⤵
    - Executes dropped EXE
    PID:2976

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

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

Filesize
327KB

MD5
b581dc0349691ab39bb7784c04856504

SHA1
4865be1b54e9b563fa0018137708f58774e631e9

SHA256
890d5d27b161f6d43ed555cd890eb75c2980863ff484be57e7f5fe964ab55b92

SHA512
d66c840178c10a3fede56ea581c7785673767dbe295f433bc87d81bbdbd6d89db94985984d6c34497bb5b1bea7b9f378711c688836aa06cabe3d239b77d9106b

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\XMMC\csrssys.exe

Filesize
327KB

MD5
b581dc0349691ab39bb7784c04856504

SHA1
4865be1b54e9b563fa0018137708f58774e631e9

SHA256
890d5d27b161f6d43ed555cd890eb75c2980863ff484be57e7f5fe964ab55b92

SHA512
d66c840178c10a3fede56ea581c7785673767dbe295f433bc87d81bbdbd6d89db94985984d6c34497bb5b1bea7b9f378711c688836aa06cabe3d239b77d9106b

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\XMMC\csrssys.exe

Filesize
327KB

MD5
b581dc0349691ab39bb7784c04856504

SHA1
4865be1b54e9b563fa0018137708f58774e631e9

SHA256
890d5d27b161f6d43ed555cd890eb75c2980863ff484be57e7f5fe964ab55b92

SHA512
d66c840178c10a3fede56ea581c7785673767dbe295f433bc87d81bbdbd6d89db94985984d6c34497bb5b1bea7b9f378711c688836aa06cabe3d239b77d9106b

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\XMMC\csrssys.exe

Filesize
327KB

MD5
b581dc0349691ab39bb7784c04856504

SHA1
4865be1b54e9b563fa0018137708f58774e631e9

SHA256
890d5d27b161f6d43ed555cd890eb75c2980863ff484be57e7f5fe964ab55b92

SHA512
d66c840178c10a3fede56ea581c7785673767dbe295f433bc87d81bbdbd6d89db94985984d6c34497bb5b1bea7b9f378711c688836aa06cabe3d239b77d9106b

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\XMMC\csrssys.exe

Filesize
327KB

MD5
b581dc0349691ab39bb7784c04856504

SHA1
4865be1b54e9b563fa0018137708f58774e631e9

SHA256
890d5d27b161f6d43ed555cd890eb75c2980863ff484be57e7f5fe964ab55b92

SHA512
d66c840178c10a3fede56ea581c7785673767dbe295f433bc87d81bbdbd6d89db94985984d6c34497bb5b1bea7b9f378711c688836aa06cabe3d239b77d9106b

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\XMMC\csrssys.exe

Filesize
327KB

MD5
b581dc0349691ab39bb7784c04856504

SHA1
4865be1b54e9b563fa0018137708f58774e631e9

SHA256
890d5d27b161f6d43ed555cd890eb75c2980863ff484be57e7f5fe964ab55b92

SHA512
d66c840178c10a3fede56ea581c7785673767dbe295f433bc87d81bbdbd6d89db94985984d6c34497bb5b1bea7b9f378711c688836aa06cabe3d239b77d9106b

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\XMMC\csrssys.exe

Filesize
327KB

MD5
b581dc0349691ab39bb7784c04856504

SHA1
4865be1b54e9b563fa0018137708f58774e631e9

SHA256
890d5d27b161f6d43ed555cd890eb75c2980863ff484be57e7f5fe964ab55b92

SHA512
d66c840178c10a3fede56ea581c7785673767dbe295f433bc87d81bbdbd6d89db94985984d6c34497bb5b1bea7b9f378711c688836aa06cabe3d239b77d9106b

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\XMMC\csrssys.exe

Filesize
327KB

MD5
b581dc0349691ab39bb7784c04856504

SHA1
4865be1b54e9b563fa0018137708f58774e631e9

SHA256
890d5d27b161f6d43ed555cd890eb75c2980863ff484be57e7f5fe964ab55b92

SHA512
d66c840178c10a3fede56ea581c7785673767dbe295f433bc87d81bbdbd6d89db94985984d6c34497bb5b1bea7b9f378711c688836aa06cabe3d239b77d9106b

Download Submit