tofsee | e8642c02dea577bb9c4db1d767f1028aa52e25b86c90369ada17a32c9b8c9974

Analysis

max time kernel
145s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05-01-2025 02:32

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General

Target

JaffaCakes118_85c64a1eb4c5c0cd9a5d2a53bbec5616.exe
Size

12.2MB
MD5

85c64a1eb4c5c0cd9a5d2a53bbec5616
SHA1

fddc3bfdb09fa48de605b9607671c0ecc5ea6a3a
SHA256

e8642c02dea577bb9c4db1d767f1028aa52e25b86c90369ada17a32c9b8c9974
SHA512

16297cf27f2cfed4eb203ad12bb409a1a1c45e03d9bd6c539d7a15f102d3c1fd2cc5c8e263db97c6dbf5d2d240c81889cd8092d40495da6eb0822552f4e8b5fe
SSDEEP

6144:8M0Em6Qk5N3ScccccccccccccccccccccccccccccccccccccccccccccccccccM:yEma

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\gfgfqsez = "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
2188	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\gfgfqsez\ImagePath = "C:\\Windows\\SysWOW64\\gfgfqsez\\htuojfgd.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2980	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2184	htuojfgd.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2184 set thread context of 2980	2184	htuojfgd.exe	39

Launches sc.exe 3 IoCs

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

pid	Process
1312	sc.exe
2996	sc.exe
2888	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	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_85c64a1eb4c5c0cd9a5d2a53bbec5616.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	htuojfgd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2412 wrote to memory of 1044	2412	JaffaCakes118_85c64a1eb4c5c0cd9a5d2a53bbec5616.exe	28
PID 2412 wrote to memory of 1044	2412	JaffaCakes118_85c64a1eb4c5c0cd9a5d2a53bbec5616.exe	28
PID 2412 wrote to memory of 1044	2412	JaffaCakes118_85c64a1eb4c5c0cd9a5d2a53bbec5616.exe	28
PID 2412 wrote to memory of 1044	2412	JaffaCakes118_85c64a1eb4c5c0cd9a5d2a53bbec5616.exe	28
PID 2412 wrote to memory of 2440	2412	JaffaCakes118_85c64a1eb4c5c0cd9a5d2a53bbec5616.exe	30
PID 2412 wrote to memory of 2440	2412	JaffaCakes118_85c64a1eb4c5c0cd9a5d2a53bbec5616.exe	30
PID 2412 wrote to memory of 2440	2412	JaffaCakes118_85c64a1eb4c5c0cd9a5d2a53bbec5616.exe	30
PID 2412 wrote to memory of 2440	2412	JaffaCakes118_85c64a1eb4c5c0cd9a5d2a53bbec5616.exe	30
PID 2412 wrote to memory of 1312	2412	JaffaCakes118_85c64a1eb4c5c0cd9a5d2a53bbec5616.exe	32
PID 2412 wrote to memory of 1312	2412	JaffaCakes118_85c64a1eb4c5c0cd9a5d2a53bbec5616.exe	32
PID 2412 wrote to memory of 1312	2412	JaffaCakes118_85c64a1eb4c5c0cd9a5d2a53bbec5616.exe	32
PID 2412 wrote to memory of 1312	2412	JaffaCakes118_85c64a1eb4c5c0cd9a5d2a53bbec5616.exe	32
PID 2412 wrote to memory of 2996	2412	JaffaCakes118_85c64a1eb4c5c0cd9a5d2a53bbec5616.exe	34
PID 2412 wrote to memory of 2996	2412	JaffaCakes118_85c64a1eb4c5c0cd9a5d2a53bbec5616.exe	34
PID 2412 wrote to memory of 2996	2412	JaffaCakes118_85c64a1eb4c5c0cd9a5d2a53bbec5616.exe	34
PID 2412 wrote to memory of 2996	2412	JaffaCakes118_85c64a1eb4c5c0cd9a5d2a53bbec5616.exe	34
PID 2412 wrote to memory of 2888	2412	JaffaCakes118_85c64a1eb4c5c0cd9a5d2a53bbec5616.exe	36
PID 2412 wrote to memory of 2888	2412	JaffaCakes118_85c64a1eb4c5c0cd9a5d2a53bbec5616.exe	36
PID 2412 wrote to memory of 2888	2412	JaffaCakes118_85c64a1eb4c5c0cd9a5d2a53bbec5616.exe	36
PID 2412 wrote to memory of 2888	2412	JaffaCakes118_85c64a1eb4c5c0cd9a5d2a53bbec5616.exe	36
PID 2184 wrote to memory of 2980	2184	htuojfgd.exe	39
PID 2184 wrote to memory of 2980	2184	htuojfgd.exe	39
PID 2184 wrote to memory of 2980	2184	htuojfgd.exe	39
PID 2184 wrote to memory of 2980	2184	htuojfgd.exe	39
PID 2184 wrote to memory of 2980	2184	htuojfgd.exe	39
PID 2184 wrote to memory of 2980	2184	htuojfgd.exe	39
PID 2412 wrote to memory of 2188	2412	JaffaCakes118_85c64a1eb4c5c0cd9a5d2a53bbec5616.exe	40
PID 2412 wrote to memory of 2188	2412	JaffaCakes118_85c64a1eb4c5c0cd9a5d2a53bbec5616.exe	40
PID 2412 wrote to memory of 2188	2412	JaffaCakes118_85c64a1eb4c5c0cd9a5d2a53bbec5616.exe	40
PID 2412 wrote to memory of 2188	2412	JaffaCakes118_85c64a1eb4c5c0cd9a5d2a53bbec5616.exe	40

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_85c64a1eb4c5c0cd9a5d2a53bbec5616.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_85c64a1eb4c5c0cd9a5d2a53bbec5616.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\gfgfqsez\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1044
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\htuojfgd.exe" C:\Windows\SysWOW64\gfgfqsez\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2440
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create gfgfqsez binPath= "C:\Windows\SysWOW64\gfgfqsez\htuojfgd.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_85c64a1eb4c5c0cd9a5d2a53bbec5616.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1312
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description gfgfqsez "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2996
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start gfgfqsez
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2888
- 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:2188

C:\Windows\SysWOW64\gfgfqsez\htuojfgd.exe
C:\Windows\SysWOW64\gfgfqsez\htuojfgd.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_85c64a1eb4c5c0cd9a5d2a53bbec5616.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2184
- 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:2980

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\htuojfgd.exe

Filesize
14.4MB

MD5
b7ad2b5f6dce7cea830e90b913a25b9e

SHA1
220ec4ee754c5cce183b05c41303e27d051c10ff

SHA256
c4a0437c01efb21b5d13b03620464fc7619d277510db7f090a3533686d6f209b

SHA512
63cc3569881c3eb8b097842a00dbfcb7460d1207d411db530c0f6e27f5ba41f4507de25aaf23b05c93449c1c1bd63736539f68daa0b28288f3ae399f886bbe7b

Download Submit
memory/2184-12-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2412-2-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2412-1-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2412-0-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2412-13-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2980-10-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2980-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2980-7-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2980-14-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2980-15-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads