tofsee | d9d85ca93b32fa124f373a5c3cdb9afecd62769badd6bf3e87f32435cf6fd917

Analysis

max time kernel
149s
max time network
151s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
25/12/2024, 14:43

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General

Target

JaffaCakes118_d9d85ca93b32fa124f373a5c3cdb9afecd62769badd6bf3e87f32435cf6fd917.exe
Size

188KB
MD5

1f855ad0630354c9b8e575d15d289fad
SHA1

6baaa9ce196472a74463d7dbe2a05a4433c81146
SHA256

d9d85ca93b32fa124f373a5c3cdb9afecd62769badd6bf3e87f32435cf6fd917
SHA512

d2b3068c3f75897dd4952b8ea6634c0079f298c3dd93f4a0e539603314e089bd12c7ef8f93308c53031c3352afdbb91cc2ad7508672b23701262a3f6ad4ddaf6
SSDEEP

3072:xE7PxL7B9burFSv5ucLkCI6Hyxo1+d9RDpZa9uD6Vdyhkx:x0L7BRc65JYCdyNDwVf

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

quadoil.ru

lakeflex.ru

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\mvrpiwzc = "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
2172	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\mvrpiwzc\ImagePath = "C:\\Windows\\SysWOW64\\mvrpiwzc\\djehqzzu.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2716	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1992	djehqzzu.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1992 set thread context of 2716	1992	djehqzzu.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2096	sc.exe
1752	sc.exe
2532	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	JaffaCakes118_d9d85ca93b32fa124f373a5c3cdb9afecd62769badd6bf3e87f32435cf6fd917.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	netsh.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	djehqzzu.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2484 wrote to memory of 2316	2484	JaffaCakes118_d9d85ca93b32fa124f373a5c3cdb9afecd62769badd6bf3e87f32435cf6fd917.exe	30
PID 2484 wrote to memory of 2316	2484	JaffaCakes118_d9d85ca93b32fa124f373a5c3cdb9afecd62769badd6bf3e87f32435cf6fd917.exe	30
PID 2484 wrote to memory of 2316	2484	JaffaCakes118_d9d85ca93b32fa124f373a5c3cdb9afecd62769badd6bf3e87f32435cf6fd917.exe	30
PID 2484 wrote to memory of 2316	2484	JaffaCakes118_d9d85ca93b32fa124f373a5c3cdb9afecd62769badd6bf3e87f32435cf6fd917.exe	30
PID 2484 wrote to memory of 1076	2484	JaffaCakes118_d9d85ca93b32fa124f373a5c3cdb9afecd62769badd6bf3e87f32435cf6fd917.exe	32
PID 2484 wrote to memory of 1076	2484	JaffaCakes118_d9d85ca93b32fa124f373a5c3cdb9afecd62769badd6bf3e87f32435cf6fd917.exe	32
PID 2484 wrote to memory of 1076	2484	JaffaCakes118_d9d85ca93b32fa124f373a5c3cdb9afecd62769badd6bf3e87f32435cf6fd917.exe	32
PID 2484 wrote to memory of 1076	2484	JaffaCakes118_d9d85ca93b32fa124f373a5c3cdb9afecd62769badd6bf3e87f32435cf6fd917.exe	32
PID 2484 wrote to memory of 2096	2484	JaffaCakes118_d9d85ca93b32fa124f373a5c3cdb9afecd62769badd6bf3e87f32435cf6fd917.exe	34
PID 2484 wrote to memory of 2096	2484	JaffaCakes118_d9d85ca93b32fa124f373a5c3cdb9afecd62769badd6bf3e87f32435cf6fd917.exe	34
PID 2484 wrote to memory of 2096	2484	JaffaCakes118_d9d85ca93b32fa124f373a5c3cdb9afecd62769badd6bf3e87f32435cf6fd917.exe	34
PID 2484 wrote to memory of 2096	2484	JaffaCakes118_d9d85ca93b32fa124f373a5c3cdb9afecd62769badd6bf3e87f32435cf6fd917.exe	34
PID 2484 wrote to memory of 1752	2484	JaffaCakes118_d9d85ca93b32fa124f373a5c3cdb9afecd62769badd6bf3e87f32435cf6fd917.exe	36
PID 2484 wrote to memory of 1752	2484	JaffaCakes118_d9d85ca93b32fa124f373a5c3cdb9afecd62769badd6bf3e87f32435cf6fd917.exe	36
PID 2484 wrote to memory of 1752	2484	JaffaCakes118_d9d85ca93b32fa124f373a5c3cdb9afecd62769badd6bf3e87f32435cf6fd917.exe	36
PID 2484 wrote to memory of 1752	2484	JaffaCakes118_d9d85ca93b32fa124f373a5c3cdb9afecd62769badd6bf3e87f32435cf6fd917.exe	36
PID 2484 wrote to memory of 2532	2484	JaffaCakes118_d9d85ca93b32fa124f373a5c3cdb9afecd62769badd6bf3e87f32435cf6fd917.exe	38
PID 2484 wrote to memory of 2532	2484	JaffaCakes118_d9d85ca93b32fa124f373a5c3cdb9afecd62769badd6bf3e87f32435cf6fd917.exe	38
PID 2484 wrote to memory of 2532	2484	JaffaCakes118_d9d85ca93b32fa124f373a5c3cdb9afecd62769badd6bf3e87f32435cf6fd917.exe	38
PID 2484 wrote to memory of 2532	2484	JaffaCakes118_d9d85ca93b32fa124f373a5c3cdb9afecd62769badd6bf3e87f32435cf6fd917.exe	38
PID 2484 wrote to memory of 2172	2484	JaffaCakes118_d9d85ca93b32fa124f373a5c3cdb9afecd62769badd6bf3e87f32435cf6fd917.exe	41
PID 2484 wrote to memory of 2172	2484	JaffaCakes118_d9d85ca93b32fa124f373a5c3cdb9afecd62769badd6bf3e87f32435cf6fd917.exe	41
PID 2484 wrote to memory of 2172	2484	JaffaCakes118_d9d85ca93b32fa124f373a5c3cdb9afecd62769badd6bf3e87f32435cf6fd917.exe	41
PID 2484 wrote to memory of 2172	2484	JaffaCakes118_d9d85ca93b32fa124f373a5c3cdb9afecd62769badd6bf3e87f32435cf6fd917.exe	41
PID 1992 wrote to memory of 2716	1992	djehqzzu.exe	43
PID 1992 wrote to memory of 2716	1992	djehqzzu.exe	43
PID 1992 wrote to memory of 2716	1992	djehqzzu.exe	43
PID 1992 wrote to memory of 2716	1992	djehqzzu.exe	43
PID 1992 wrote to memory of 2716	1992	djehqzzu.exe	43
PID 1992 wrote to memory of 2716	1992	djehqzzu.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d9d85ca93b32fa124f373a5c3cdb9afecd62769badd6bf3e87f32435cf6fd917.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d9d85ca93b32fa124f373a5c3cdb9afecd62769badd6bf3e87f32435cf6fd917.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2484
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\mvrpiwzc\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2316
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\djehqzzu.exe" C:\Windows\SysWOW64\mvrpiwzc\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1076
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create mvrpiwzc binPath= "C:\Windows\SysWOW64\mvrpiwzc\djehqzzu.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d9d85ca93b32fa124f373a5c3cdb9afecd62769badd6bf3e87f32435cf6fd917.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2096
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description mvrpiwzc "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1752
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start mvrpiwzc
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2532
- 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:2172

C:\Windows\SysWOW64\mvrpiwzc\djehqzzu.exe
C:\Windows\SysWOW64\mvrpiwzc\djehqzzu.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d9d85ca93b32fa124f373a5c3cdb9afecd62769badd6bf3e87f32435cf6fd917.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1992
- 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:2716

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\djehqzzu.exe

Filesize
14.5MB

MD5
b89a7e464260e0c65f1c58082367f905

SHA1
0c25ce9df526149113b09c704dd127d4ae5ac2c4

SHA256
d1364857ee0158b0ae3720e802b8e1af618fda1795879b06e5cce3bce1c3a936

SHA512
a376cd2c4b304343ddb65861f32d4f76cc81e903484fab1e7eb2236078fbe59a3e8b58cd8d2542b4306b5ce87b17fa9989fcd82fd712efc3c7c2c0c06e49bdff

Download Submit
memory/1992-15-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2484-7-0x00000000001B0000-0x00000000001BD000-memory.dmp

Filesize
52KB

Download
memory/2484-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2484-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2484-8-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/2484-0-0x00000000001B0000-0x00000000001BD000-memory.dmp

Filesize
52KB

Download
memory/2484-6-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2484-1-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/2716-13-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2716-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2716-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2716-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2716-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads