tofsee | f757ceb07ad1a7d8f37e182181a8264adc0ba6c4945911b98620b2c09393e210

Analysis

max time kernel
145s
max time network
121s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
08-10-2024 02:56

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General

Target

1f36b2a211561d23f8ea7372a60e8a4b_JaffaCakes118.exe
Size

11.2MB
MD5

1f36b2a211561d23f8ea7372a60e8a4b
SHA1

e6917bd75a288889f21179e6f4373efcf9e91816
SHA256

f757ceb07ad1a7d8f37e182181a8264adc0ba6c4945911b98620b2c09393e210
SHA512

cd0328d2b354b982a742750701c220eaac2e3eca88d41d08c57bf3414e8ef13d135cedd2491ab834b30a7e9e7d52a9a682098f00ae52e704a007976f974d34b2
SSDEEP

49152:5lGypVbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb7:5lGyp

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

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\enjgzyet = "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
2664	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\enjgzyet\ImagePath = "C:\\Windows\\SysWOW64\\enjgzyet\\qhdkbaei.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2928	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2656	qhdkbaei.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2656 set thread context of 2928	2656	qhdkbaei.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
2832	sc.exe
2436	sc.exe
2932	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	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
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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1f36b2a211561d23f8ea7372a60e8a4b_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	qhdkbaei.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2520 wrote to memory of 2728	2520	1f36b2a211561d23f8ea7372a60e8a4b_JaffaCakes118.exe	30
PID 2520 wrote to memory of 2728	2520	1f36b2a211561d23f8ea7372a60e8a4b_JaffaCakes118.exe	30
PID 2520 wrote to memory of 2728	2520	1f36b2a211561d23f8ea7372a60e8a4b_JaffaCakes118.exe	30
PID 2520 wrote to memory of 2728	2520	1f36b2a211561d23f8ea7372a60e8a4b_JaffaCakes118.exe	30
PID 2520 wrote to memory of 2776	2520	1f36b2a211561d23f8ea7372a60e8a4b_JaffaCakes118.exe	32
PID 2520 wrote to memory of 2776	2520	1f36b2a211561d23f8ea7372a60e8a4b_JaffaCakes118.exe	32
PID 2520 wrote to memory of 2776	2520	1f36b2a211561d23f8ea7372a60e8a4b_JaffaCakes118.exe	32
PID 2520 wrote to memory of 2776	2520	1f36b2a211561d23f8ea7372a60e8a4b_JaffaCakes118.exe	32
PID 2520 wrote to memory of 2932	2520	1f36b2a211561d23f8ea7372a60e8a4b_JaffaCakes118.exe	34
PID 2520 wrote to memory of 2932	2520	1f36b2a211561d23f8ea7372a60e8a4b_JaffaCakes118.exe	34
PID 2520 wrote to memory of 2932	2520	1f36b2a211561d23f8ea7372a60e8a4b_JaffaCakes118.exe	34
PID 2520 wrote to memory of 2932	2520	1f36b2a211561d23f8ea7372a60e8a4b_JaffaCakes118.exe	34
PID 2520 wrote to memory of 2832	2520	1f36b2a211561d23f8ea7372a60e8a4b_JaffaCakes118.exe	36
PID 2520 wrote to memory of 2832	2520	1f36b2a211561d23f8ea7372a60e8a4b_JaffaCakes118.exe	36
PID 2520 wrote to memory of 2832	2520	1f36b2a211561d23f8ea7372a60e8a4b_JaffaCakes118.exe	36
PID 2520 wrote to memory of 2832	2520	1f36b2a211561d23f8ea7372a60e8a4b_JaffaCakes118.exe	36
PID 2520 wrote to memory of 2436	2520	1f36b2a211561d23f8ea7372a60e8a4b_JaffaCakes118.exe	38
PID 2520 wrote to memory of 2436	2520	1f36b2a211561d23f8ea7372a60e8a4b_JaffaCakes118.exe	38
PID 2520 wrote to memory of 2436	2520	1f36b2a211561d23f8ea7372a60e8a4b_JaffaCakes118.exe	38
PID 2520 wrote to memory of 2436	2520	1f36b2a211561d23f8ea7372a60e8a4b_JaffaCakes118.exe	38
PID 2656 wrote to memory of 2928	2656	qhdkbaei.exe	41
PID 2656 wrote to memory of 2928	2656	qhdkbaei.exe	41
PID 2656 wrote to memory of 2928	2656	qhdkbaei.exe	41
PID 2656 wrote to memory of 2928	2656	qhdkbaei.exe	41
PID 2656 wrote to memory of 2928	2656	qhdkbaei.exe	41
PID 2656 wrote to memory of 2928	2656	qhdkbaei.exe	41
PID 2520 wrote to memory of 2664	2520	1f36b2a211561d23f8ea7372a60e8a4b_JaffaCakes118.exe	42
PID 2520 wrote to memory of 2664	2520	1f36b2a211561d23f8ea7372a60e8a4b_JaffaCakes118.exe	42
PID 2520 wrote to memory of 2664	2520	1f36b2a211561d23f8ea7372a60e8a4b_JaffaCakes118.exe	42
PID 2520 wrote to memory of 2664	2520	1f36b2a211561d23f8ea7372a60e8a4b_JaffaCakes118.exe	42

C:\Users\Admin\AppData\Local\Temp\1f36b2a211561d23f8ea7372a60e8a4b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1f36b2a211561d23f8ea7372a60e8a4b_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2520
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\enjgzyet\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2728
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qhdkbaei.exe" C:\Windows\SysWOW64\enjgzyet\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2776
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create enjgzyet binPath= "C:\Windows\SysWOW64\enjgzyet\qhdkbaei.exe /d\"C:\Users\Admin\AppData\Local\Temp\1f36b2a211561d23f8ea7372a60e8a4b_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2932
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description enjgzyet "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2832
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start enjgzyet
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2436
- 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:2664

C:\Windows\SysWOW64\enjgzyet\qhdkbaei.exe
C:\Windows\SysWOW64\enjgzyet\qhdkbaei.exe /d"C:\Users\Admin\AppData\Local\Temp\1f36b2a211561d23f8ea7372a60e8a4b_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2656
- 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:2928

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\qhdkbaei.exe

Filesize
12.0MB

MD5
e8f8c5b05ab5e1e353e4a36efe63e4a8

SHA1
413816712e3e765e6094a5f5af7cdc3e23a5bcbe

SHA256
3f7b37ad86f0c108d43f07301a3c3a7eead2673903050e3c9f13577302950cf0

SHA512
45e1b6c375e6a11f81f07b474db0d829802cc8aecbcc4db18ab99aa4d5871e53cdfca7bfa811e6b6e259ba2f865407910686671328912c60ec37d917e9940192

Download Submit
memory/2520-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2520-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2520-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2520-14-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/2520-1-0x0000000000650000-0x0000000000750000-memory.dmp

Filesize
1024KB

Download
memory/2520-15-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2656-12-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/2928-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2928-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2928-8-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2928-17-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2928-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads