tofsee | d72ac4743305a738a0fda64272d002ab491e2ab53da89d2f504e0676521d1958

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
29-10-2024 04:03

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General

Target

7bba0ff4a89197cd722d7f2b0cb64fd8_JaffaCakes118.exe
Size

11.9MB
MD5

7bba0ff4a89197cd722d7f2b0cb64fd8
SHA1

a8ace94042d34b4f0dd7baa32bc85b6c8fe9c963
SHA256

d72ac4743305a738a0fda64272d002ab491e2ab53da89d2f504e0676521d1958
SHA512

b516e2ca8676353d1461a7424c2784ccd7dbf509ee5e000990aecb833358202e19819a46418f93007904dd1f0fa87804c9598e5f524c4d79220e7b7540cdeab4
SSDEEP

24576:tMLXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXH:tM

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\sbahzlvm = "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
3032	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\sbahzlvm\ImagePath = "C:\\Windows\\SysWOW64\\sbahzlvm\\jwwutuhh.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2532	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2572	jwwutuhh.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2572 set thread context of 2532	2572	jwwutuhh.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
2980	sc.exe
2316	sc.exe
2872	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	7bba0ff4a89197cd722d7f2b0cb64fd8_JaffaCakes118.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	jwwutuhh.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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2792 wrote to memory of 2804	2792	7bba0ff4a89197cd722d7f2b0cb64fd8_JaffaCakes118.exe	29
PID 2792 wrote to memory of 2804	2792	7bba0ff4a89197cd722d7f2b0cb64fd8_JaffaCakes118.exe	29
PID 2792 wrote to memory of 2804	2792	7bba0ff4a89197cd722d7f2b0cb64fd8_JaffaCakes118.exe	29
PID 2792 wrote to memory of 2804	2792	7bba0ff4a89197cd722d7f2b0cb64fd8_JaffaCakes118.exe	29
PID 2792 wrote to memory of 1044	2792	7bba0ff4a89197cd722d7f2b0cb64fd8_JaffaCakes118.exe	31
PID 2792 wrote to memory of 1044	2792	7bba0ff4a89197cd722d7f2b0cb64fd8_JaffaCakes118.exe	31
PID 2792 wrote to memory of 1044	2792	7bba0ff4a89197cd722d7f2b0cb64fd8_JaffaCakes118.exe	31
PID 2792 wrote to memory of 1044	2792	7bba0ff4a89197cd722d7f2b0cb64fd8_JaffaCakes118.exe	31
PID 2792 wrote to memory of 2980	2792	7bba0ff4a89197cd722d7f2b0cb64fd8_JaffaCakes118.exe	33
PID 2792 wrote to memory of 2980	2792	7bba0ff4a89197cd722d7f2b0cb64fd8_JaffaCakes118.exe	33
PID 2792 wrote to memory of 2980	2792	7bba0ff4a89197cd722d7f2b0cb64fd8_JaffaCakes118.exe	33
PID 2792 wrote to memory of 2980	2792	7bba0ff4a89197cd722d7f2b0cb64fd8_JaffaCakes118.exe	33
PID 2792 wrote to memory of 2316	2792	7bba0ff4a89197cd722d7f2b0cb64fd8_JaffaCakes118.exe	35
PID 2792 wrote to memory of 2316	2792	7bba0ff4a89197cd722d7f2b0cb64fd8_JaffaCakes118.exe	35
PID 2792 wrote to memory of 2316	2792	7bba0ff4a89197cd722d7f2b0cb64fd8_JaffaCakes118.exe	35
PID 2792 wrote to memory of 2316	2792	7bba0ff4a89197cd722d7f2b0cb64fd8_JaffaCakes118.exe	35
PID 2792 wrote to memory of 2872	2792	7bba0ff4a89197cd722d7f2b0cb64fd8_JaffaCakes118.exe	37
PID 2792 wrote to memory of 2872	2792	7bba0ff4a89197cd722d7f2b0cb64fd8_JaffaCakes118.exe	37
PID 2792 wrote to memory of 2872	2792	7bba0ff4a89197cd722d7f2b0cb64fd8_JaffaCakes118.exe	37
PID 2792 wrote to memory of 2872	2792	7bba0ff4a89197cd722d7f2b0cb64fd8_JaffaCakes118.exe	37
PID 2792 wrote to memory of 3032	2792	7bba0ff4a89197cd722d7f2b0cb64fd8_JaffaCakes118.exe	40
PID 2792 wrote to memory of 3032	2792	7bba0ff4a89197cd722d7f2b0cb64fd8_JaffaCakes118.exe	40
PID 2792 wrote to memory of 3032	2792	7bba0ff4a89197cd722d7f2b0cb64fd8_JaffaCakes118.exe	40
PID 2792 wrote to memory of 3032	2792	7bba0ff4a89197cd722d7f2b0cb64fd8_JaffaCakes118.exe	40
PID 2572 wrote to memory of 2532	2572	jwwutuhh.exe	42
PID 2572 wrote to memory of 2532	2572	jwwutuhh.exe	42
PID 2572 wrote to memory of 2532	2572	jwwutuhh.exe	42
PID 2572 wrote to memory of 2532	2572	jwwutuhh.exe	42
PID 2572 wrote to memory of 2532	2572	jwwutuhh.exe	42
PID 2572 wrote to memory of 2532	2572	jwwutuhh.exe	42

C:\Users\Admin\AppData\Local\Temp\7bba0ff4a89197cd722d7f2b0cb64fd8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\7bba0ff4a89197cd722d7f2b0cb64fd8_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2792
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\sbahzlvm\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2804
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\jwwutuhh.exe" C:\Windows\SysWOW64\sbahzlvm\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1044
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create sbahzlvm binPath= "C:\Windows\SysWOW64\sbahzlvm\jwwutuhh.exe /d\"C:\Users\Admin\AppData\Local\Temp\7bba0ff4a89197cd722d7f2b0cb64fd8_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2980
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description sbahzlvm "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2316
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start sbahzlvm
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2872
- 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:3032

C:\Windows\SysWOW64\sbahzlvm\jwwutuhh.exe
C:\Windows\SysWOW64\sbahzlvm\jwwutuhh.exe /d"C:\Users\Admin\AppData\Local\Temp\7bba0ff4a89197cd722d7f2b0cb64fd8_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2572
- 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:2532

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\jwwutuhh.exe

Filesize
12.9MB

MD5
368b4d79e8dddab7bd324d20aae45ee9

SHA1
f70cd8c989a31aca25c32767c4e95a63e8a55a92

SHA256
519e36daf90d0485da835a256672eeec3d3d3efa67e1a5cc323c786dea9e9791

SHA512
d948986d258e41631ce376734c6b48736dc5c44e01c6b58b822f1a109d7b182123690165d5bda6d562401a697feb4888806a3afa1a0034ddc4af1faf7b79328d

Download Submit
memory/2532-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2532-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2532-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2532-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2532-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2572-17-0x0000000000400000-0x0000000002C6D000-memory.dmp

Filesize
40.4MB

Download
memory/2792-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2792-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2792-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2792-9-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2792-8-0x0000000000400000-0x0000000002C6D000-memory.dmp

Filesize
40.4MB

Download
memory/2792-1-0x0000000002E30000-0x0000000002F30000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads