tofsee | df04156566c9fa82a9ecfcc43911f845d2e7941ffda2daa63b1fa06743a38e8d

Analysis

max time kernel
147s
max time network
148s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 22:11

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General

Target

JaffaCakes118_df04156566c9fa82a9ecfcc43911f845d2e7941ffda2daa63b1fa06743a38e8d.exe
Size

285KB
MD5

c2ce2df162edbe6d16c197dcce8461c1
SHA1

84d5e79aaef19c342d0f7e0f4c91a4c1446c0c55
SHA256

df04156566c9fa82a9ecfcc43911f845d2e7941ffda2daa63b1fa06743a38e8d
SHA512

246688b91058703e24bafd27032e87f57041772ac4a44047c7a58be7c69141b1fd4d3eb443b8756c3aecd0a8de75949ec46f603f156a41afc54e5e37ce6e10b0
SSDEEP

6144:KubLIkGEMVyknC38e3qJL6b9OOhxxdeTr/ekI:KWchEMVykSoL61zxd6L

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\mjpfmvac = "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
2220	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\mjpfmvac\ImagePath = "C:\\Windows\\SysWOW64\\mjpfmvac\\hmiaybn.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2652	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3064	hmiaybn.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3064 set thread context of 2652	3064	hmiaybn.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2240	sc.exe
484	sc.exe
2764	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_df04156566c9fa82a9ecfcc43911f845d2e7941ffda2daa63b1fa06743a38e8d.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	hmiaybn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2168 wrote to memory of 2700	2168	JaffaCakes118_df04156566c9fa82a9ecfcc43911f845d2e7941ffda2daa63b1fa06743a38e8d.exe	30
PID 2168 wrote to memory of 2700	2168	JaffaCakes118_df04156566c9fa82a9ecfcc43911f845d2e7941ffda2daa63b1fa06743a38e8d.exe	30
PID 2168 wrote to memory of 2700	2168	JaffaCakes118_df04156566c9fa82a9ecfcc43911f845d2e7941ffda2daa63b1fa06743a38e8d.exe	30
PID 2168 wrote to memory of 2700	2168	JaffaCakes118_df04156566c9fa82a9ecfcc43911f845d2e7941ffda2daa63b1fa06743a38e8d.exe	30
PID 2168 wrote to memory of 2456	2168	JaffaCakes118_df04156566c9fa82a9ecfcc43911f845d2e7941ffda2daa63b1fa06743a38e8d.exe	32
PID 2168 wrote to memory of 2456	2168	JaffaCakes118_df04156566c9fa82a9ecfcc43911f845d2e7941ffda2daa63b1fa06743a38e8d.exe	32
PID 2168 wrote to memory of 2456	2168	JaffaCakes118_df04156566c9fa82a9ecfcc43911f845d2e7941ffda2daa63b1fa06743a38e8d.exe	32
PID 2168 wrote to memory of 2456	2168	JaffaCakes118_df04156566c9fa82a9ecfcc43911f845d2e7941ffda2daa63b1fa06743a38e8d.exe	32
PID 2168 wrote to memory of 2240	2168	JaffaCakes118_df04156566c9fa82a9ecfcc43911f845d2e7941ffda2daa63b1fa06743a38e8d.exe	34
PID 2168 wrote to memory of 2240	2168	JaffaCakes118_df04156566c9fa82a9ecfcc43911f845d2e7941ffda2daa63b1fa06743a38e8d.exe	34
PID 2168 wrote to memory of 2240	2168	JaffaCakes118_df04156566c9fa82a9ecfcc43911f845d2e7941ffda2daa63b1fa06743a38e8d.exe	34
PID 2168 wrote to memory of 2240	2168	JaffaCakes118_df04156566c9fa82a9ecfcc43911f845d2e7941ffda2daa63b1fa06743a38e8d.exe	34
PID 2168 wrote to memory of 484	2168	JaffaCakes118_df04156566c9fa82a9ecfcc43911f845d2e7941ffda2daa63b1fa06743a38e8d.exe	36
PID 2168 wrote to memory of 484	2168	JaffaCakes118_df04156566c9fa82a9ecfcc43911f845d2e7941ffda2daa63b1fa06743a38e8d.exe	36
PID 2168 wrote to memory of 484	2168	JaffaCakes118_df04156566c9fa82a9ecfcc43911f845d2e7941ffda2daa63b1fa06743a38e8d.exe	36
PID 2168 wrote to memory of 484	2168	JaffaCakes118_df04156566c9fa82a9ecfcc43911f845d2e7941ffda2daa63b1fa06743a38e8d.exe	36
PID 2168 wrote to memory of 2764	2168	JaffaCakes118_df04156566c9fa82a9ecfcc43911f845d2e7941ffda2daa63b1fa06743a38e8d.exe	38
PID 2168 wrote to memory of 2764	2168	JaffaCakes118_df04156566c9fa82a9ecfcc43911f845d2e7941ffda2daa63b1fa06743a38e8d.exe	38
PID 2168 wrote to memory of 2764	2168	JaffaCakes118_df04156566c9fa82a9ecfcc43911f845d2e7941ffda2daa63b1fa06743a38e8d.exe	38
PID 2168 wrote to memory of 2764	2168	JaffaCakes118_df04156566c9fa82a9ecfcc43911f845d2e7941ffda2daa63b1fa06743a38e8d.exe	38
PID 2168 wrote to memory of 2220	2168	JaffaCakes118_df04156566c9fa82a9ecfcc43911f845d2e7941ffda2daa63b1fa06743a38e8d.exe	41
PID 2168 wrote to memory of 2220	2168	JaffaCakes118_df04156566c9fa82a9ecfcc43911f845d2e7941ffda2daa63b1fa06743a38e8d.exe	41
PID 2168 wrote to memory of 2220	2168	JaffaCakes118_df04156566c9fa82a9ecfcc43911f845d2e7941ffda2daa63b1fa06743a38e8d.exe	41
PID 2168 wrote to memory of 2220	2168	JaffaCakes118_df04156566c9fa82a9ecfcc43911f845d2e7941ffda2daa63b1fa06743a38e8d.exe	41
PID 3064 wrote to memory of 2652	3064	hmiaybn.exe	43
PID 3064 wrote to memory of 2652	3064	hmiaybn.exe	43
PID 3064 wrote to memory of 2652	3064	hmiaybn.exe	43
PID 3064 wrote to memory of 2652	3064	hmiaybn.exe	43
PID 3064 wrote to memory of 2652	3064	hmiaybn.exe	43
PID 3064 wrote to memory of 2652	3064	hmiaybn.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_df04156566c9fa82a9ecfcc43911f845d2e7941ffda2daa63b1fa06743a38e8d.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_df04156566c9fa82a9ecfcc43911f845d2e7941ffda2daa63b1fa06743a38e8d.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2168
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\mjpfmvac\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2700
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\hmiaybn.exe" C:\Windows\SysWOW64\mjpfmvac\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2456
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create mjpfmvac binPath= "C:\Windows\SysWOW64\mjpfmvac\hmiaybn.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_df04156566c9fa82a9ecfcc43911f845d2e7941ffda2daa63b1fa06743a38e8d.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2240
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description mjpfmvac "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:484
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start mjpfmvac
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2764
- 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:2220

C:\Windows\SysWOW64\mjpfmvac\hmiaybn.exe
C:\Windows\SysWOW64\mjpfmvac\hmiaybn.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_df04156566c9fa82a9ecfcc43911f845d2e7941ffda2daa63b1fa06743a38e8d.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3064
- 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:2652

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
10.2MB

MD5
3b1f2f9cb6a1022f55968408c6c89640

SHA1
5916f3b9d76fc2a48cb0a34acd711b11eec7eea9

SHA256
4b14db5f1510db47719987859fa21d5d68f6addbaf919de96ba13f71b09c6b66

SHA512
63d247f99bec10abd1f2f891e6680320b7e38cfeae6fd1d8ee5f1997a716642191cbd58709a4bf6a2d21d595ffda000fba885258edfa9ef19eb2a180109b3481

Download Submit
memory/2168-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2168-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2168-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2168-8-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2168-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2168-1-0x00000000005A0000-0x00000000006A0000-memory.dmp

Filesize
1024KB

Download
memory/2652-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2652-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2652-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2652-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2652-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3064-17-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads