tofsee | 846c64ed0a4502f5b189b257cb86c55e5228b6801e38eb992e5d5e3534d9d2ea

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
22-12-2024 00:26

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General

Target

JaffaCakes118_846c64ed0a4502f5b189b257cb86c55e5228b6801e38eb992e5d5e3534d9d2ea.exe
Size

160KB
MD5

fb35ce98c953322a42694830696a6bcf
SHA1

4cddac04f1b0a724fb89cf6a8cf20aeb295b2126
SHA256

846c64ed0a4502f5b189b257cb86c55e5228b6801e38eb992e5d5e3534d9d2ea
SHA512

678938ab71f780a8ebf0e38f53ecd3351ba87524340141d58d273cc56ee0b6bad7a7b5eb8fc98918c58df5f3f45de8ab1776c08f6d4b06d85c8d2360d042133c
SSDEEP

1536:0ae1ySgZv4PWNemwPvh45bxEmnVGgk1Il/01UmuhOgg8QPerf1G5VpJHh9H+/RHW:LVSuQTyaF2M1UxOzT6G5xB9ERHTClX

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\eodubnvc = "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
3040	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\eodubnvc\ImagePath = "C:\\Windows\\SysWOW64\\eodubnvc\\halbmjcv.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2932	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2836	halbmjcv.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2836 set thread context of 2932	2836	halbmjcv.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
2332	sc.exe
1032	sc.exe
2360	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	halbmjcv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_846c64ed0a4502f5b189b257cb86c55e5228b6801e38eb992e5d5e3534d9d2ea.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2176 wrote to memory of 3044	2176	JaffaCakes118_846c64ed0a4502f5b189b257cb86c55e5228b6801e38eb992e5d5e3534d9d2ea.exe	30
PID 2176 wrote to memory of 3044	2176	JaffaCakes118_846c64ed0a4502f5b189b257cb86c55e5228b6801e38eb992e5d5e3534d9d2ea.exe	30
PID 2176 wrote to memory of 3044	2176	JaffaCakes118_846c64ed0a4502f5b189b257cb86c55e5228b6801e38eb992e5d5e3534d9d2ea.exe	30
PID 2176 wrote to memory of 3044	2176	JaffaCakes118_846c64ed0a4502f5b189b257cb86c55e5228b6801e38eb992e5d5e3534d9d2ea.exe	30
PID 2176 wrote to memory of 2772	2176	JaffaCakes118_846c64ed0a4502f5b189b257cb86c55e5228b6801e38eb992e5d5e3534d9d2ea.exe	32
PID 2176 wrote to memory of 2772	2176	JaffaCakes118_846c64ed0a4502f5b189b257cb86c55e5228b6801e38eb992e5d5e3534d9d2ea.exe	32
PID 2176 wrote to memory of 2772	2176	JaffaCakes118_846c64ed0a4502f5b189b257cb86c55e5228b6801e38eb992e5d5e3534d9d2ea.exe	32
PID 2176 wrote to memory of 2772	2176	JaffaCakes118_846c64ed0a4502f5b189b257cb86c55e5228b6801e38eb992e5d5e3534d9d2ea.exe	32
PID 2176 wrote to memory of 2360	2176	JaffaCakes118_846c64ed0a4502f5b189b257cb86c55e5228b6801e38eb992e5d5e3534d9d2ea.exe	34
PID 2176 wrote to memory of 2360	2176	JaffaCakes118_846c64ed0a4502f5b189b257cb86c55e5228b6801e38eb992e5d5e3534d9d2ea.exe	34
PID 2176 wrote to memory of 2360	2176	JaffaCakes118_846c64ed0a4502f5b189b257cb86c55e5228b6801e38eb992e5d5e3534d9d2ea.exe	34
PID 2176 wrote to memory of 2360	2176	JaffaCakes118_846c64ed0a4502f5b189b257cb86c55e5228b6801e38eb992e5d5e3534d9d2ea.exe	34
PID 2176 wrote to memory of 2332	2176	JaffaCakes118_846c64ed0a4502f5b189b257cb86c55e5228b6801e38eb992e5d5e3534d9d2ea.exe	36
PID 2176 wrote to memory of 2332	2176	JaffaCakes118_846c64ed0a4502f5b189b257cb86c55e5228b6801e38eb992e5d5e3534d9d2ea.exe	36
PID 2176 wrote to memory of 2332	2176	JaffaCakes118_846c64ed0a4502f5b189b257cb86c55e5228b6801e38eb992e5d5e3534d9d2ea.exe	36
PID 2176 wrote to memory of 2332	2176	JaffaCakes118_846c64ed0a4502f5b189b257cb86c55e5228b6801e38eb992e5d5e3534d9d2ea.exe	36
PID 2176 wrote to memory of 1032	2176	JaffaCakes118_846c64ed0a4502f5b189b257cb86c55e5228b6801e38eb992e5d5e3534d9d2ea.exe	38
PID 2176 wrote to memory of 1032	2176	JaffaCakes118_846c64ed0a4502f5b189b257cb86c55e5228b6801e38eb992e5d5e3534d9d2ea.exe	38
PID 2176 wrote to memory of 1032	2176	JaffaCakes118_846c64ed0a4502f5b189b257cb86c55e5228b6801e38eb992e5d5e3534d9d2ea.exe	38
PID 2176 wrote to memory of 1032	2176	JaffaCakes118_846c64ed0a4502f5b189b257cb86c55e5228b6801e38eb992e5d5e3534d9d2ea.exe	38
PID 2836 wrote to memory of 2932	2836	halbmjcv.exe	41
PID 2836 wrote to memory of 2932	2836	halbmjcv.exe	41
PID 2836 wrote to memory of 2932	2836	halbmjcv.exe	41
PID 2836 wrote to memory of 2932	2836	halbmjcv.exe	41
PID 2836 wrote to memory of 2932	2836	halbmjcv.exe	41
PID 2836 wrote to memory of 2932	2836	halbmjcv.exe	41
PID 2176 wrote to memory of 3040	2176	JaffaCakes118_846c64ed0a4502f5b189b257cb86c55e5228b6801e38eb992e5d5e3534d9d2ea.exe	42
PID 2176 wrote to memory of 3040	2176	JaffaCakes118_846c64ed0a4502f5b189b257cb86c55e5228b6801e38eb992e5d5e3534d9d2ea.exe	42
PID 2176 wrote to memory of 3040	2176	JaffaCakes118_846c64ed0a4502f5b189b257cb86c55e5228b6801e38eb992e5d5e3534d9d2ea.exe	42
PID 2176 wrote to memory of 3040	2176	JaffaCakes118_846c64ed0a4502f5b189b257cb86c55e5228b6801e38eb992e5d5e3534d9d2ea.exe	42

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_846c64ed0a4502f5b189b257cb86c55e5228b6801e38eb992e5d5e3534d9d2ea.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_846c64ed0a4502f5b189b257cb86c55e5228b6801e38eb992e5d5e3534d9d2ea.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2176
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\eodubnvc\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3044
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\halbmjcv.exe" C:\Windows\SysWOW64\eodubnvc\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2772
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create eodubnvc binPath= "C:\Windows\SysWOW64\eodubnvc\halbmjcv.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_846c64ed0a4502f5b189b257cb86c55e5228b6801e38eb992e5d5e3534d9d2ea.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2360
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description eodubnvc "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2332
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start eodubnvc
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1032
- 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:3040

C:\Windows\SysWOW64\eodubnvc\halbmjcv.exe
C:\Windows\SysWOW64\eodubnvc\halbmjcv.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_846c64ed0a4502f5b189b257cb86c55e5228b6801e38eb992e5d5e3534d9d2ea.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2836
- 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:2932

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\halbmjcv.exe

Filesize
14.6MB

MD5
25fe84dd8350ca613befbffe2a8417ed

SHA1
f455a367ce2fa2da6e82e77e920b1470bd532e5a

SHA256
70676e0326d9e8b11598018e6b6bea8e95375c3bcceeabbebc3b6f885c641e21

SHA512
dbd51b865f05ab14b1ea12c87ecbede7823b064879faa1d1d0dde83058365b46ccfbff74443ad5a2a749942eb36d94368e108b12f00f48b8b4b76cd60f9f711b

Download Submit
memory/2176-15-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2176-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2176-1-0x00000000003C0000-0x00000000003D3000-memory.dmp

Filesize
76KB

Download
memory/2176-12-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/2176-0-0x00000000003B0000-0x00000000003BD000-memory.dmp

Filesize
52KB

Download
memory/2176-14-0x00000000003C0000-0x00000000003D3000-memory.dmp

Filesize
76KB

Download
memory/2176-13-0x00000000003B0000-0x00000000003BD000-memory.dmp

Filesize
52KB

Download
memory/2836-10-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/2932-6-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2932-9-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2932-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2932-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2932-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads