tofsee | 8190306001ddb5a81596b49253258638c1ff2040cb62de7515025b1446f46be9

Analysis

max time kernel
142s
max time network
149s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
31-10-2024 09:50

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General

Target

82a6162642e7011415a35b89c52dcd9b_JaffaCakes118.exe
Size

11.1MB
MD5

82a6162642e7011415a35b89c52dcd9b
SHA1

aba7845a594b2363f131e03d8d81060031c6fbb2
SHA256

8190306001ddb5a81596b49253258638c1ff2040cb62de7515025b1446f46be9
SHA512

c4cde32813dff4592733edb06af94575b514e05a7280c566912b7dba1380956d09a7a8d78ce6d69a9f10facb09bab1a5bf00da1128f4d21fe1fd629929f8dfd1
SSDEEP

12288:6ffRLpsONV6+uOaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaf:6f5fNV6+

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

43.231.4.7

lazystax.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\hhkxuhcu = "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
2824	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\hhkxuhcu\ImagePath = "C:\\Windows\\SysWOW64\\hhkxuhcu\\jddufofh.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2284	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2924	jddufofh.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2924 set thread context of 2284	2924	jddufofh.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
2408	sc.exe
2948	sc.exe
2796	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	82a6162642e7011415a35b89c52dcd9b_JaffaCakes118.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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jddufofh.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2412 wrote to memory of 2116	2412	82a6162642e7011415a35b89c52dcd9b_JaffaCakes118.exe	29
PID 2412 wrote to memory of 2116	2412	82a6162642e7011415a35b89c52dcd9b_JaffaCakes118.exe	29
PID 2412 wrote to memory of 2116	2412	82a6162642e7011415a35b89c52dcd9b_JaffaCakes118.exe	29
PID 2412 wrote to memory of 2116	2412	82a6162642e7011415a35b89c52dcd9b_JaffaCakes118.exe	29
PID 2412 wrote to memory of 3064	2412	82a6162642e7011415a35b89c52dcd9b_JaffaCakes118.exe	31
PID 2412 wrote to memory of 3064	2412	82a6162642e7011415a35b89c52dcd9b_JaffaCakes118.exe	31
PID 2412 wrote to memory of 3064	2412	82a6162642e7011415a35b89c52dcd9b_JaffaCakes118.exe	31
PID 2412 wrote to memory of 3064	2412	82a6162642e7011415a35b89c52dcd9b_JaffaCakes118.exe	31
PID 2412 wrote to memory of 2408	2412	82a6162642e7011415a35b89c52dcd9b_JaffaCakes118.exe	33
PID 2412 wrote to memory of 2408	2412	82a6162642e7011415a35b89c52dcd9b_JaffaCakes118.exe	33
PID 2412 wrote to memory of 2408	2412	82a6162642e7011415a35b89c52dcd9b_JaffaCakes118.exe	33
PID 2412 wrote to memory of 2408	2412	82a6162642e7011415a35b89c52dcd9b_JaffaCakes118.exe	33
PID 2412 wrote to memory of 2948	2412	82a6162642e7011415a35b89c52dcd9b_JaffaCakes118.exe	35
PID 2412 wrote to memory of 2948	2412	82a6162642e7011415a35b89c52dcd9b_JaffaCakes118.exe	35
PID 2412 wrote to memory of 2948	2412	82a6162642e7011415a35b89c52dcd9b_JaffaCakes118.exe	35
PID 2412 wrote to memory of 2948	2412	82a6162642e7011415a35b89c52dcd9b_JaffaCakes118.exe	35
PID 2412 wrote to memory of 2796	2412	82a6162642e7011415a35b89c52dcd9b_JaffaCakes118.exe	37
PID 2412 wrote to memory of 2796	2412	82a6162642e7011415a35b89c52dcd9b_JaffaCakes118.exe	37
PID 2412 wrote to memory of 2796	2412	82a6162642e7011415a35b89c52dcd9b_JaffaCakes118.exe	37
PID 2412 wrote to memory of 2796	2412	82a6162642e7011415a35b89c52dcd9b_JaffaCakes118.exe	37
PID 2412 wrote to memory of 2824	2412	82a6162642e7011415a35b89c52dcd9b_JaffaCakes118.exe	39
PID 2412 wrote to memory of 2824	2412	82a6162642e7011415a35b89c52dcd9b_JaffaCakes118.exe	39
PID 2412 wrote to memory of 2824	2412	82a6162642e7011415a35b89c52dcd9b_JaffaCakes118.exe	39
PID 2412 wrote to memory of 2824	2412	82a6162642e7011415a35b89c52dcd9b_JaffaCakes118.exe	39
PID 2924 wrote to memory of 2284	2924	jddufofh.exe	42
PID 2924 wrote to memory of 2284	2924	jddufofh.exe	42
PID 2924 wrote to memory of 2284	2924	jddufofh.exe	42
PID 2924 wrote to memory of 2284	2924	jddufofh.exe	42
PID 2924 wrote to memory of 2284	2924	jddufofh.exe	42
PID 2924 wrote to memory of 2284	2924	jddufofh.exe	42

C:\Users\Admin\AppData\Local\Temp\82a6162642e7011415a35b89c52dcd9b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\82a6162642e7011415a35b89c52dcd9b_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2412
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\hhkxuhcu\
  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\jddufofh.exe" C:\Windows\SysWOW64\hhkxuhcu\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3064
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create hhkxuhcu binPath= "C:\Windows\SysWOW64\hhkxuhcu\jddufofh.exe /d\"C:\Users\Admin\AppData\Local\Temp\82a6162642e7011415a35b89c52dcd9b_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2408
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description hhkxuhcu "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2948
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start hhkxuhcu
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2796
- 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:2824

C:\Windows\SysWOW64\hhkxuhcu\jddufofh.exe
C:\Windows\SysWOW64\hhkxuhcu\jddufofh.exe /d"C:\Users\Admin\AppData\Local\Temp\82a6162642e7011415a35b89c52dcd9b_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2924
- 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:2284

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\jddufofh.exe

Filesize
12.5MB

MD5
486a7616fe84619efffe017086553f24

SHA1
e3a29a332d8ae77c589e755a3cecfe540a93cb0d

SHA256
121df1f9649ff603598bd87ff377318f4c92d34c3b3c4469de0f60f9c9c9754d

SHA512
10683082efc794a9c0b8e3d98c5fde29f7db5f8877f1571198e26f877dc4886b99d6df79b819ee3a4caee405110d035b1621c8ef4dc0a05c0de9824eb5b5bd11

Download Submit
memory/2284-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2284-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2284-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2284-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2284-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2412-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2412-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2412-8-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2412-7-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2412-6-0x0000000000400000-0x000000000335A000-memory.dmp

Filesize
47.4MB

Download
memory/2412-1-0x0000000003430000-0x0000000003530000-memory.dmp

Filesize
1024KB

Download
memory/2924-17-0x0000000000400000-0x000000000335A000-memory.dmp

Filesize
47.4MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads