tofsee | 368d36e214d321633cc73d84c3bd8879bb9ced7ccb906fee4657c585a11551b5

Analysis

max time kernel
146s
max time network
147s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-10-2024 01:15

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General

Target

1ecce7b894fc2132b3e7ec1c2681936d_JaffaCakes118.exe
Size

11.3MB
MD5

1ecce7b894fc2132b3e7ec1c2681936d
SHA1

d5f945e66f9d569636fa19a9a82232a6ed198859
SHA256

368d36e214d321633cc73d84c3bd8879bb9ced7ccb906fee4657c585a11551b5
SHA512

6aab60798b0256e19e145267394196e6f029d2e8ff1994e4c0efb82379fda34ec11dcc43d1b4fac9d065eb8e80eeb891a25abd82c3c71d017b4806eee331dc78
SSDEEP

49152:jGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGX:

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

defeatwax.ru

refabyd.info

Signatures

Tofsee
Backdoor/botnet which carries out malicious activities based on commands from a C2 server.
trojan 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\yyywqukt = "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
2196	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\yyywqukt\ImagePath = "C:\\Windows\\SysWOW64\\yyywqukt\\dpbjjujr.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2648	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2660	dpbjjujr.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2660 set thread context of 2648	2660	dpbjjujr.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
2140	sc.exe
2760	sc.exe
3048	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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\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	sc.exe
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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dpbjjujr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1ecce7b894fc2132b3e7ec1c2681936d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1324 wrote to memory of 2148	1324	1ecce7b894fc2132b3e7ec1c2681936d_JaffaCakes118.exe	31
PID 1324 wrote to memory of 2148	1324	1ecce7b894fc2132b3e7ec1c2681936d_JaffaCakes118.exe	31
PID 1324 wrote to memory of 2148	1324	1ecce7b894fc2132b3e7ec1c2681936d_JaffaCakes118.exe	31
PID 1324 wrote to memory of 2148	1324	1ecce7b894fc2132b3e7ec1c2681936d_JaffaCakes118.exe	31
PID 1324 wrote to memory of 1920	1324	1ecce7b894fc2132b3e7ec1c2681936d_JaffaCakes118.exe	33
PID 1324 wrote to memory of 1920	1324	1ecce7b894fc2132b3e7ec1c2681936d_JaffaCakes118.exe	33
PID 1324 wrote to memory of 1920	1324	1ecce7b894fc2132b3e7ec1c2681936d_JaffaCakes118.exe	33
PID 1324 wrote to memory of 1920	1324	1ecce7b894fc2132b3e7ec1c2681936d_JaffaCakes118.exe	33
PID 1324 wrote to memory of 3048	1324	1ecce7b894fc2132b3e7ec1c2681936d_JaffaCakes118.exe	35
PID 1324 wrote to memory of 3048	1324	1ecce7b894fc2132b3e7ec1c2681936d_JaffaCakes118.exe	35
PID 1324 wrote to memory of 3048	1324	1ecce7b894fc2132b3e7ec1c2681936d_JaffaCakes118.exe	35
PID 1324 wrote to memory of 3048	1324	1ecce7b894fc2132b3e7ec1c2681936d_JaffaCakes118.exe	35
PID 1324 wrote to memory of 2140	1324	1ecce7b894fc2132b3e7ec1c2681936d_JaffaCakes118.exe	37
PID 1324 wrote to memory of 2140	1324	1ecce7b894fc2132b3e7ec1c2681936d_JaffaCakes118.exe	37
PID 1324 wrote to memory of 2140	1324	1ecce7b894fc2132b3e7ec1c2681936d_JaffaCakes118.exe	37
PID 1324 wrote to memory of 2140	1324	1ecce7b894fc2132b3e7ec1c2681936d_JaffaCakes118.exe	37
PID 1324 wrote to memory of 2760	1324	1ecce7b894fc2132b3e7ec1c2681936d_JaffaCakes118.exe	39
PID 1324 wrote to memory of 2760	1324	1ecce7b894fc2132b3e7ec1c2681936d_JaffaCakes118.exe	39
PID 1324 wrote to memory of 2760	1324	1ecce7b894fc2132b3e7ec1c2681936d_JaffaCakes118.exe	39
PID 1324 wrote to memory of 2760	1324	1ecce7b894fc2132b3e7ec1c2681936d_JaffaCakes118.exe	39
PID 1324 wrote to memory of 2196	1324	1ecce7b894fc2132b3e7ec1c2681936d_JaffaCakes118.exe	42
PID 1324 wrote to memory of 2196	1324	1ecce7b894fc2132b3e7ec1c2681936d_JaffaCakes118.exe	42
PID 1324 wrote to memory of 2196	1324	1ecce7b894fc2132b3e7ec1c2681936d_JaffaCakes118.exe	42
PID 1324 wrote to memory of 2196	1324	1ecce7b894fc2132b3e7ec1c2681936d_JaffaCakes118.exe	42
PID 2660 wrote to memory of 2648	2660	dpbjjujr.exe	44
PID 2660 wrote to memory of 2648	2660	dpbjjujr.exe	44
PID 2660 wrote to memory of 2648	2660	dpbjjujr.exe	44
PID 2660 wrote to memory of 2648	2660	dpbjjujr.exe	44
PID 2660 wrote to memory of 2648	2660	dpbjjujr.exe	44
PID 2660 wrote to memory of 2648	2660	dpbjjujr.exe	44

C:\Users\Admin\AppData\Local\Temp\1ecce7b894fc2132b3e7ec1c2681936d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1ecce7b894fc2132b3e7ec1c2681936d_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1324
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\yyywqukt\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2148
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\dpbjjujr.exe" C:\Windows\SysWOW64\yyywqukt\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1920
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create yyywqukt binPath= "C:\Windows\SysWOW64\yyywqukt\dpbjjujr.exe /d\"C:\Users\Admin\AppData\Local\Temp\1ecce7b894fc2132b3e7ec1c2681936d_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3048
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description yyywqukt "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2140
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start yyywqukt
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2760
- 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:2196

C:\Windows\SysWOW64\yyywqukt\dpbjjujr.exe
C:\Windows\SysWOW64\yyywqukt\dpbjjujr.exe /d"C:\Users\Admin\AppData\Local\Temp\1ecce7b894fc2132b3e7ec1c2681936d_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2660
- 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:2648

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\dpbjjujr.exe

Filesize
12.8MB

MD5
f15aa00c5fe6d7e39e4f110f90ac6402

SHA1
23237cdb2ddcbaaa3af6fdae8da251c5fa4acab3

SHA256
c1ff3a4caf28687ecdb7d7e27225f1fc29e87d4f02e2097ad73d8394637a019d

SHA512
403a4c302def16121c27015a4a81752b54b59fb33ffb431f26a169d4ffc48b1a98b6c08a08dd0850c1a2fb54ec467cfe51a64d7097f8b196c2c104460429d889

Download Submit
memory/1324-8-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/1324-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1324-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/1324-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1324-9-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/1324-1-0x00000000005A0000-0x00000000006A0000-memory.dmp

Filesize
1024KB

Download
memory/2648-14-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2648-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2648-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2648-17-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2648-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2660-16-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads