tofsee | d8d16e6a3d74584f449401e39157dc1b788dc1d59ebab958aab95440a08a4d2c

Analysis

max time kernel
148s
max time network
145s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23-12-2024 15:49

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General

Target

JaffaCakes118_d8d16e6a3d74584f449401e39157dc1b788dc1d59ebab958aab95440a08a4d2c.exe
Size

211KB
MD5

cdfe1a0520846256701a835f7997200c
SHA1

d70c426398a6de0e2cde8ebcac5bff1bd4dd2161
SHA256

d8d16e6a3d74584f449401e39157dc1b788dc1d59ebab958aab95440a08a4d2c
SHA512

7d67ec32def188bd799ce753801ce302f95aaeae9e587c48d94fde22fe0f7122091cccc3ed39271e2fa64667d0232dc1d2684547dc348bf257e94d5e4652f87e
SSDEEP

3072:CzpWiQngo/AxJ9v12IJZEOixWoT3BCrz85p1bSTgUfrdGZPwYKB1F5NSlAhgC:CzpWgHxjhZZixnrUn8HWGVq1F5QC

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
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\lvrjtkq = "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
2112	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\lvrjtkq\ImagePath = "C:\\Windows\\SysWOW64\\lvrjtkq\\hmiaybn.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2612	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2704	hmiaybn.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2704 set thread context of 2612	2704	hmiaybn.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
2724	sc.exe
2904	sc.exe
2508	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 opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\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_d8d16e6a3d74584f449401e39157dc1b788dc1d59ebab958aab95440a08a4d2c.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	hmiaybn.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	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1044 wrote to memory of 1072	1044	JaffaCakes118_d8d16e6a3d74584f449401e39157dc1b788dc1d59ebab958aab95440a08a4d2c.exe	28
PID 1044 wrote to memory of 1072	1044	JaffaCakes118_d8d16e6a3d74584f449401e39157dc1b788dc1d59ebab958aab95440a08a4d2c.exe	28
PID 1044 wrote to memory of 1072	1044	JaffaCakes118_d8d16e6a3d74584f449401e39157dc1b788dc1d59ebab958aab95440a08a4d2c.exe	28
PID 1044 wrote to memory of 1072	1044	JaffaCakes118_d8d16e6a3d74584f449401e39157dc1b788dc1d59ebab958aab95440a08a4d2c.exe	28
PID 1044 wrote to memory of 3040	1044	JaffaCakes118_d8d16e6a3d74584f449401e39157dc1b788dc1d59ebab958aab95440a08a4d2c.exe	30
PID 1044 wrote to memory of 3040	1044	JaffaCakes118_d8d16e6a3d74584f449401e39157dc1b788dc1d59ebab958aab95440a08a4d2c.exe	30
PID 1044 wrote to memory of 3040	1044	JaffaCakes118_d8d16e6a3d74584f449401e39157dc1b788dc1d59ebab958aab95440a08a4d2c.exe	30
PID 1044 wrote to memory of 3040	1044	JaffaCakes118_d8d16e6a3d74584f449401e39157dc1b788dc1d59ebab958aab95440a08a4d2c.exe	30
PID 1044 wrote to memory of 2724	1044	JaffaCakes118_d8d16e6a3d74584f449401e39157dc1b788dc1d59ebab958aab95440a08a4d2c.exe	32
PID 1044 wrote to memory of 2724	1044	JaffaCakes118_d8d16e6a3d74584f449401e39157dc1b788dc1d59ebab958aab95440a08a4d2c.exe	32
PID 1044 wrote to memory of 2724	1044	JaffaCakes118_d8d16e6a3d74584f449401e39157dc1b788dc1d59ebab958aab95440a08a4d2c.exe	32
PID 1044 wrote to memory of 2724	1044	JaffaCakes118_d8d16e6a3d74584f449401e39157dc1b788dc1d59ebab958aab95440a08a4d2c.exe	32
PID 1044 wrote to memory of 2904	1044	JaffaCakes118_d8d16e6a3d74584f449401e39157dc1b788dc1d59ebab958aab95440a08a4d2c.exe	34
PID 1044 wrote to memory of 2904	1044	JaffaCakes118_d8d16e6a3d74584f449401e39157dc1b788dc1d59ebab958aab95440a08a4d2c.exe	34
PID 1044 wrote to memory of 2904	1044	JaffaCakes118_d8d16e6a3d74584f449401e39157dc1b788dc1d59ebab958aab95440a08a4d2c.exe	34
PID 1044 wrote to memory of 2904	1044	JaffaCakes118_d8d16e6a3d74584f449401e39157dc1b788dc1d59ebab958aab95440a08a4d2c.exe	34
PID 1044 wrote to memory of 2508	1044	JaffaCakes118_d8d16e6a3d74584f449401e39157dc1b788dc1d59ebab958aab95440a08a4d2c.exe	36
PID 1044 wrote to memory of 2508	1044	JaffaCakes118_d8d16e6a3d74584f449401e39157dc1b788dc1d59ebab958aab95440a08a4d2c.exe	36
PID 1044 wrote to memory of 2508	1044	JaffaCakes118_d8d16e6a3d74584f449401e39157dc1b788dc1d59ebab958aab95440a08a4d2c.exe	36
PID 1044 wrote to memory of 2508	1044	JaffaCakes118_d8d16e6a3d74584f449401e39157dc1b788dc1d59ebab958aab95440a08a4d2c.exe	36
PID 1044 wrote to memory of 2112	1044	JaffaCakes118_d8d16e6a3d74584f449401e39157dc1b788dc1d59ebab958aab95440a08a4d2c.exe	39
PID 1044 wrote to memory of 2112	1044	JaffaCakes118_d8d16e6a3d74584f449401e39157dc1b788dc1d59ebab958aab95440a08a4d2c.exe	39
PID 1044 wrote to memory of 2112	1044	JaffaCakes118_d8d16e6a3d74584f449401e39157dc1b788dc1d59ebab958aab95440a08a4d2c.exe	39
PID 1044 wrote to memory of 2112	1044	JaffaCakes118_d8d16e6a3d74584f449401e39157dc1b788dc1d59ebab958aab95440a08a4d2c.exe	39
PID 2704 wrote to memory of 2612	2704	hmiaybn.exe	41
PID 2704 wrote to memory of 2612	2704	hmiaybn.exe	41
PID 2704 wrote to memory of 2612	2704	hmiaybn.exe	41
PID 2704 wrote to memory of 2612	2704	hmiaybn.exe	41
PID 2704 wrote to memory of 2612	2704	hmiaybn.exe	41
PID 2704 wrote to memory of 2612	2704	hmiaybn.exe	41

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d8d16e6a3d74584f449401e39157dc1b788dc1d59ebab958aab95440a08a4d2c.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d8d16e6a3d74584f449401e39157dc1b788dc1d59ebab958aab95440a08a4d2c.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1044
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\lvrjtkq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1072
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\hmiaybn.exe" C:\Windows\SysWOW64\lvrjtkq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3040
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create lvrjtkq binPath= "C:\Windows\SysWOW64\lvrjtkq\hmiaybn.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d8d16e6a3d74584f449401e39157dc1b788dc1d59ebab958aab95440a08a4d2c.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2724
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description lvrjtkq "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2904
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start lvrjtkq
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2508
- 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:2112

C:\Windows\SysWOW64\lvrjtkq\hmiaybn.exe
C:\Windows\SysWOW64\lvrjtkq\hmiaybn.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d8d16e6a3d74584f449401e39157dc1b788dc1d59ebab958aab95440a08a4d2c.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2704
- 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:2612

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\hmiaybn.exe

Filesize
12.2MB

MD5
a66e4d515af14d17c8180cea744c436e

SHA1
79b4a2cd5a7c3023f2b7e987f0da6d12922e89e8

SHA256
87ac4879d74f7bb189eb71a1bf8fb374ba070e9de47c59cbdc00d09dbd39cde0

SHA512
59d60715d07b8db50c65e693dc33f673552775504e792201d5645241b2547ba4bc2e7291481cd9121d1bfe2c78e6477f9fbafc49e34cb5e54287b659fadd6c10

Download Submit
memory/1044-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1044-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1044-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1044-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1044-8-0x0000000000400000-0x0000000002B75000-memory.dmp

Filesize
39.5MB

Download
memory/1044-1-0x0000000002BF0000-0x0000000002CF0000-memory.dmp

Filesize
1024KB

Download
memory/2612-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2612-14-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2612-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2612-17-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2612-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2704-15-0x0000000000400000-0x0000000002B75000-memory.dmp

Filesize
39.5MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads