tofsee | b78bfeec5a89e18c0d6b3cb94bc55cebfb00b3391cc1d0ad6d1ae45e85e0782f

Analysis

max time kernel
145s
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 13:34

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General

Target

JaffaCakes118_b78bfeec5a89e18c0d6b3cb94bc55cebfb00b3391cc1d0ad6d1ae45e85e0782f.exe
Size

285KB
MD5

af9e5d753d03655da119c7e35cb59c5f
SHA1

e2797ebf86a7d535cfebd2f3ff6ab022d7888aaf
SHA256

b78bfeec5a89e18c0d6b3cb94bc55cebfb00b3391cc1d0ad6d1ae45e85e0782f
SHA512

93b09c81dcab40163afa8c75835b4bbcb5a87d378bbd7cccdc2fc96257c44b3882c1ab9b7ed14027d43ab10b5c00fb52d2bb2aedaa2c356697b69d0e317e2b99
SSDEEP

6144:ANXxcSzbHJgv0pc+mNAArvCkSIbceTdp45YakI/:ANXKsbHCcpWuaTJHpHav/

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\jorglkge = "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
2212	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\jorglkge\ImagePath = "C:\\Windows\\SysWOW64\\jorglkge\\zobxjibn.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
3028	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2060	zobxjibn.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2060 set thread context of 3028	2060	zobxjibn.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
3020	sc.exe
2952	sc.exe
2404	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	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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_b78bfeec5a89e18c0d6b3cb94bc55cebfb00b3391cc1d0ad6d1ae45e85e0782f.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	zobxjibn.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2244 wrote to memory of 316	2244	JaffaCakes118_b78bfeec5a89e18c0d6b3cb94bc55cebfb00b3391cc1d0ad6d1ae45e85e0782f.exe	28
PID 2244 wrote to memory of 316	2244	JaffaCakes118_b78bfeec5a89e18c0d6b3cb94bc55cebfb00b3391cc1d0ad6d1ae45e85e0782f.exe	28
PID 2244 wrote to memory of 316	2244	JaffaCakes118_b78bfeec5a89e18c0d6b3cb94bc55cebfb00b3391cc1d0ad6d1ae45e85e0782f.exe	28
PID 2244 wrote to memory of 316	2244	JaffaCakes118_b78bfeec5a89e18c0d6b3cb94bc55cebfb00b3391cc1d0ad6d1ae45e85e0782f.exe	28
PID 2244 wrote to memory of 2436	2244	JaffaCakes118_b78bfeec5a89e18c0d6b3cb94bc55cebfb00b3391cc1d0ad6d1ae45e85e0782f.exe	30
PID 2244 wrote to memory of 2436	2244	JaffaCakes118_b78bfeec5a89e18c0d6b3cb94bc55cebfb00b3391cc1d0ad6d1ae45e85e0782f.exe	30
PID 2244 wrote to memory of 2436	2244	JaffaCakes118_b78bfeec5a89e18c0d6b3cb94bc55cebfb00b3391cc1d0ad6d1ae45e85e0782f.exe	30
PID 2244 wrote to memory of 2436	2244	JaffaCakes118_b78bfeec5a89e18c0d6b3cb94bc55cebfb00b3391cc1d0ad6d1ae45e85e0782f.exe	30
PID 2244 wrote to memory of 3020	2244	JaffaCakes118_b78bfeec5a89e18c0d6b3cb94bc55cebfb00b3391cc1d0ad6d1ae45e85e0782f.exe	32
PID 2244 wrote to memory of 3020	2244	JaffaCakes118_b78bfeec5a89e18c0d6b3cb94bc55cebfb00b3391cc1d0ad6d1ae45e85e0782f.exe	32
PID 2244 wrote to memory of 3020	2244	JaffaCakes118_b78bfeec5a89e18c0d6b3cb94bc55cebfb00b3391cc1d0ad6d1ae45e85e0782f.exe	32
PID 2244 wrote to memory of 3020	2244	JaffaCakes118_b78bfeec5a89e18c0d6b3cb94bc55cebfb00b3391cc1d0ad6d1ae45e85e0782f.exe	32
PID 2244 wrote to memory of 2952	2244	JaffaCakes118_b78bfeec5a89e18c0d6b3cb94bc55cebfb00b3391cc1d0ad6d1ae45e85e0782f.exe	34
PID 2244 wrote to memory of 2952	2244	JaffaCakes118_b78bfeec5a89e18c0d6b3cb94bc55cebfb00b3391cc1d0ad6d1ae45e85e0782f.exe	34
PID 2244 wrote to memory of 2952	2244	JaffaCakes118_b78bfeec5a89e18c0d6b3cb94bc55cebfb00b3391cc1d0ad6d1ae45e85e0782f.exe	34
PID 2244 wrote to memory of 2952	2244	JaffaCakes118_b78bfeec5a89e18c0d6b3cb94bc55cebfb00b3391cc1d0ad6d1ae45e85e0782f.exe	34
PID 2244 wrote to memory of 2404	2244	JaffaCakes118_b78bfeec5a89e18c0d6b3cb94bc55cebfb00b3391cc1d0ad6d1ae45e85e0782f.exe	36
PID 2244 wrote to memory of 2404	2244	JaffaCakes118_b78bfeec5a89e18c0d6b3cb94bc55cebfb00b3391cc1d0ad6d1ae45e85e0782f.exe	36
PID 2244 wrote to memory of 2404	2244	JaffaCakes118_b78bfeec5a89e18c0d6b3cb94bc55cebfb00b3391cc1d0ad6d1ae45e85e0782f.exe	36
PID 2244 wrote to memory of 2404	2244	JaffaCakes118_b78bfeec5a89e18c0d6b3cb94bc55cebfb00b3391cc1d0ad6d1ae45e85e0782f.exe	36
PID 2244 wrote to memory of 2212	2244	JaffaCakes118_b78bfeec5a89e18c0d6b3cb94bc55cebfb00b3391cc1d0ad6d1ae45e85e0782f.exe	39
PID 2244 wrote to memory of 2212	2244	JaffaCakes118_b78bfeec5a89e18c0d6b3cb94bc55cebfb00b3391cc1d0ad6d1ae45e85e0782f.exe	39
PID 2244 wrote to memory of 2212	2244	JaffaCakes118_b78bfeec5a89e18c0d6b3cb94bc55cebfb00b3391cc1d0ad6d1ae45e85e0782f.exe	39
PID 2244 wrote to memory of 2212	2244	JaffaCakes118_b78bfeec5a89e18c0d6b3cb94bc55cebfb00b3391cc1d0ad6d1ae45e85e0782f.exe	39
PID 2060 wrote to memory of 3028	2060	zobxjibn.exe	41
PID 2060 wrote to memory of 3028	2060	zobxjibn.exe	41
PID 2060 wrote to memory of 3028	2060	zobxjibn.exe	41
PID 2060 wrote to memory of 3028	2060	zobxjibn.exe	41
PID 2060 wrote to memory of 3028	2060	zobxjibn.exe	41
PID 2060 wrote to memory of 3028	2060	zobxjibn.exe	41

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b78bfeec5a89e18c0d6b3cb94bc55cebfb00b3391cc1d0ad6d1ae45e85e0782f.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b78bfeec5a89e18c0d6b3cb94bc55cebfb00b3391cc1d0ad6d1ae45e85e0782f.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2244
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\jorglkge\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:316
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\zobxjibn.exe" C:\Windows\SysWOW64\jorglkge\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2436
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create jorglkge binPath= "C:\Windows\SysWOW64\jorglkge\zobxjibn.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b78bfeec5a89e18c0d6b3cb94bc55cebfb00b3391cc1d0ad6d1ae45e85e0782f.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3020
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description jorglkge "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2952
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start jorglkge
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2404
- 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:2212

C:\Windows\SysWOW64\jorglkge\zobxjibn.exe
C:\Windows\SysWOW64\jorglkge\zobxjibn.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b78bfeec5a89e18c0d6b3cb94bc55cebfb00b3391cc1d0ad6d1ae45e85e0782f.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2060
- 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:3028

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\zobxjibn.exe

Filesize
12.5MB

MD5
ff28e3ab158f73a2927485fc8923d343

SHA1
97ae45295f3d9079ba0e08b33ac57a862432742e

SHA256
4c456ec721f0cd92fb5f8402caceef81dd6808ea821030e54e59a394359bbd85

SHA512
8caf0323a42d9e201d2bae0c2aee2490db813d2364138473134dc3c3076c02bab0648238b7183020947de3d231234cc69fd25f0a87115bc7e98b2ee4071fd818

Download Submit
memory/2060-17-0x0000000000400000-0x0000000002B90000-memory.dmp

Filesize
39.6MB

Download
memory/2244-8-0x0000000000400000-0x0000000002B90000-memory.dmp

Filesize
39.6MB

Download
memory/2244-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2244-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2244-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2244-1-0x0000000000270000-0x0000000000370000-memory.dmp

Filesize
1024KB

Download
memory/2244-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/3028-11-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/3028-16-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/3028-14-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/3028-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3028-18-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads