tofsee | 78a529d7e685e6ae4c78c54e7638a607abc7684bf6b165b12c67d337047ee714

Analysis

max time kernel
146s
max time network
146s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-12-2024 06:38

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General

Target

JaffaCakes118_78a529d7e685e6ae4c78c54e7638a607abc7684bf6b165b12c67d337047ee714.exe
Size

295KB
MD5

9030655a6f62f9a680bc9469372e55fe
SHA1

fd87e7b02a3bda1a7d3c783cf24f43def0437e5f
SHA256

78a529d7e685e6ae4c78c54e7638a607abc7684bf6b165b12c67d337047ee714
SHA512

934a53e399665bffff8cf6a68fd139ed18d60c464fbc1969471a113897282353038f9daa01ccf6366b5846810d41b9fed11dec2b3d18129bc2048f3c6a4d546b
SSDEEP

6144:cQv1fCPcQsRDgQ6QucrF82jg6rhR3TN/x4ue:1dfC/igSucrFpgQhFNs

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

patmushta.info

parubey.info

Signatures

Tofsee
Backdoor/botnet which carries out malicious activities based on commands from a C2 server.
trojan tofsee
Tofsee family
tofsee

Windows security bypass 2 TTPs 1 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\osqydhij = "0"	svchost.exe

Creates new service(s) 2 TTPs
persistence execution

Windows Service
T1543.003

Service Execution
T1569.002

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2732	netsh.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\osqydhij\ImagePath = "C:\\Windows\\SysWOW64\\osqydhij\\yrglegdm.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2768	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2864	yrglegdm.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2864 set thread context of 2768	2864	yrglegdm.exe	44

Launches sc.exe 3 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
2868	sc.exe
632	sc.exe
2752	sc.exe

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

System Information Discovery
T1082

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_78a529d7e685e6ae4c78c54e7638a607abc7684bf6b165b12c67d337047ee714.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	yrglegdm.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2120 wrote to memory of 2116	2120	JaffaCakes118_78a529d7e685e6ae4c78c54e7638a607abc7684bf6b165b12c67d337047ee714.exe	31
PID 2120 wrote to memory of 2116	2120	JaffaCakes118_78a529d7e685e6ae4c78c54e7638a607abc7684bf6b165b12c67d337047ee714.exe	31
PID 2120 wrote to memory of 2116	2120	JaffaCakes118_78a529d7e685e6ae4c78c54e7638a607abc7684bf6b165b12c67d337047ee714.exe	31
PID 2120 wrote to memory of 2116	2120	JaffaCakes118_78a529d7e685e6ae4c78c54e7638a607abc7684bf6b165b12c67d337047ee714.exe	31
PID 2120 wrote to memory of 2428	2120	JaffaCakes118_78a529d7e685e6ae4c78c54e7638a607abc7684bf6b165b12c67d337047ee714.exe	33
PID 2120 wrote to memory of 2428	2120	JaffaCakes118_78a529d7e685e6ae4c78c54e7638a607abc7684bf6b165b12c67d337047ee714.exe	33
PID 2120 wrote to memory of 2428	2120	JaffaCakes118_78a529d7e685e6ae4c78c54e7638a607abc7684bf6b165b12c67d337047ee714.exe	33
PID 2120 wrote to memory of 2428	2120	JaffaCakes118_78a529d7e685e6ae4c78c54e7638a607abc7684bf6b165b12c67d337047ee714.exe	33
PID 2120 wrote to memory of 632	2120	JaffaCakes118_78a529d7e685e6ae4c78c54e7638a607abc7684bf6b165b12c67d337047ee714.exe	35
PID 2120 wrote to memory of 632	2120	JaffaCakes118_78a529d7e685e6ae4c78c54e7638a607abc7684bf6b165b12c67d337047ee714.exe	35
PID 2120 wrote to memory of 632	2120	JaffaCakes118_78a529d7e685e6ae4c78c54e7638a607abc7684bf6b165b12c67d337047ee714.exe	35
PID 2120 wrote to memory of 632	2120	JaffaCakes118_78a529d7e685e6ae4c78c54e7638a607abc7684bf6b165b12c67d337047ee714.exe	35
PID 2120 wrote to memory of 2752	2120	JaffaCakes118_78a529d7e685e6ae4c78c54e7638a607abc7684bf6b165b12c67d337047ee714.exe	37
PID 2120 wrote to memory of 2752	2120	JaffaCakes118_78a529d7e685e6ae4c78c54e7638a607abc7684bf6b165b12c67d337047ee714.exe	37
PID 2120 wrote to memory of 2752	2120	JaffaCakes118_78a529d7e685e6ae4c78c54e7638a607abc7684bf6b165b12c67d337047ee714.exe	37
PID 2120 wrote to memory of 2752	2120	JaffaCakes118_78a529d7e685e6ae4c78c54e7638a607abc7684bf6b165b12c67d337047ee714.exe	37
PID 2120 wrote to memory of 2868	2120	JaffaCakes118_78a529d7e685e6ae4c78c54e7638a607abc7684bf6b165b12c67d337047ee714.exe	39
PID 2120 wrote to memory of 2868	2120	JaffaCakes118_78a529d7e685e6ae4c78c54e7638a607abc7684bf6b165b12c67d337047ee714.exe	39
PID 2120 wrote to memory of 2868	2120	JaffaCakes118_78a529d7e685e6ae4c78c54e7638a607abc7684bf6b165b12c67d337047ee714.exe	39
PID 2120 wrote to memory of 2868	2120	JaffaCakes118_78a529d7e685e6ae4c78c54e7638a607abc7684bf6b165b12c67d337047ee714.exe	39
PID 2120 wrote to memory of 2732	2120	JaffaCakes118_78a529d7e685e6ae4c78c54e7638a607abc7684bf6b165b12c67d337047ee714.exe	42
PID 2120 wrote to memory of 2732	2120	JaffaCakes118_78a529d7e685e6ae4c78c54e7638a607abc7684bf6b165b12c67d337047ee714.exe	42
PID 2120 wrote to memory of 2732	2120	JaffaCakes118_78a529d7e685e6ae4c78c54e7638a607abc7684bf6b165b12c67d337047ee714.exe	42
PID 2120 wrote to memory of 2732	2120	JaffaCakes118_78a529d7e685e6ae4c78c54e7638a607abc7684bf6b165b12c67d337047ee714.exe	42
PID 2864 wrote to memory of 2768	2864	yrglegdm.exe	44
PID 2864 wrote to memory of 2768	2864	yrglegdm.exe	44
PID 2864 wrote to memory of 2768	2864	yrglegdm.exe	44
PID 2864 wrote to memory of 2768	2864	yrglegdm.exe	44
PID 2864 wrote to memory of 2768	2864	yrglegdm.exe	44
PID 2864 wrote to memory of 2768	2864	yrglegdm.exe	44

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_78a529d7e685e6ae4c78c54e7638a607abc7684bf6b165b12c67d337047ee714.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_78a529d7e685e6ae4c78c54e7638a607abc7684bf6b165b12c67d337047ee714.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2120
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\osqydhij\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2116
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\yrglegdm.exe" C:\Windows\SysWOW64\osqydhij\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2428
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create osqydhij binPath= "C:\Windows\SysWOW64\osqydhij\yrglegdm.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_78a529d7e685e6ae4c78c54e7638a607abc7684bf6b165b12c67d337047ee714.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:632
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description osqydhij "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2752
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start osqydhij
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2868
- C:\Windows\SysWOW64\netsh.exe
  "C:\Windows\System32\netsh.exe" advfirewall firewall add rule name="Host-process for services of Windows" dir=in action=allow program="C:\Windows\SysWOW64\svchost.exe" enable=yes>nul
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  - System Location Discovery: System Language Discovery
  PID:2732

C:\Windows\SysWOW64\osqydhij\yrglegdm.exe
C:\Windows\SysWOW64\osqydhij\yrglegdm.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_78a529d7e685e6ae4c78c54e7638a607abc7684bf6b165b12c67d337047ee714.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2864
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Windows security bypass
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2768

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

T1569

Service Execution

T1569.002

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\yrglegdm.exe

Filesize
10.7MB

MD5
b22b4203e0ba56986a72d02c9a3519d8

SHA1
75d938c43702d6340bf0b182c54a3a6280a845f9

SHA256
bc3d81d9f022f75030a66ea68d6b92ba02eb8cade787cf142e0d0ed864f29d03

SHA512
613ef69e15ef48081f2340651dde721f17c515b7cd3bf99031384c0d228a6ee53190e9334d9893720837ae9118b4a41921fe303c3ff62375576387401db516c2

Download Submit
memory/2120-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2120-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2120-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2120-7-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2120-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2120-1-0x00000000005B0000-0x00000000006B0000-memory.dmp

Filesize
1024KB

Download
memory/2768-14-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2768-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2768-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2768-17-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2768-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2864-15-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads