tofsee | e3a222160ea8ef3a551466e2307177cbba020d448a1c987810873aff2dfc217c

Analysis

max time kernel
149s
max time network
152s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
12/07/2024, 22:23

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General

Target

3f1b7aa146a77bf2b405b38e0cf62df1_JaffaCakes118.exe
Size

13.9MB
MD5

3f1b7aa146a77bf2b405b38e0cf62df1
SHA1

2fc056586e9b126a845916e2f3f44093745fab97
SHA256

e3a222160ea8ef3a551466e2307177cbba020d448a1c987810873aff2dfc217c
SHA512

89a6a7204348648067827fb0baf36f188139b40466e71e39834650574b28b5e9257d6ad829fab082ae1a159b79d48e7b4d3fcfc1803086f6be8d5ecb1b9cd202
SSDEEP

196608:z3qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq3:z

Score

10^/10

tofsee 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

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\wspaaekk = "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
2320	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\wspaaekk\ImagePath = "C:\\Windows\\SysWOW64\\wspaaekk\\audnadiu.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2668	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2784	audnadiu.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2784 set thread context of 2668	2784	audnadiu.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
2752	sc.exe
2908	sc.exe
3064	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

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1560 wrote to memory of 2704	1560	3f1b7aa146a77bf2b405b38e0cf62df1_JaffaCakes118.exe	29
PID 1560 wrote to memory of 2704	1560	3f1b7aa146a77bf2b405b38e0cf62df1_JaffaCakes118.exe	29
PID 1560 wrote to memory of 2704	1560	3f1b7aa146a77bf2b405b38e0cf62df1_JaffaCakes118.exe	29
PID 1560 wrote to memory of 2704	1560	3f1b7aa146a77bf2b405b38e0cf62df1_JaffaCakes118.exe	29
PID 1560 wrote to memory of 2284	1560	3f1b7aa146a77bf2b405b38e0cf62df1_JaffaCakes118.exe	31
PID 1560 wrote to memory of 2284	1560	3f1b7aa146a77bf2b405b38e0cf62df1_JaffaCakes118.exe	31
PID 1560 wrote to memory of 2284	1560	3f1b7aa146a77bf2b405b38e0cf62df1_JaffaCakes118.exe	31
PID 1560 wrote to memory of 2284	1560	3f1b7aa146a77bf2b405b38e0cf62df1_JaffaCakes118.exe	31
PID 1560 wrote to memory of 2752	1560	3f1b7aa146a77bf2b405b38e0cf62df1_JaffaCakes118.exe	33
PID 1560 wrote to memory of 2752	1560	3f1b7aa146a77bf2b405b38e0cf62df1_JaffaCakes118.exe	33
PID 1560 wrote to memory of 2752	1560	3f1b7aa146a77bf2b405b38e0cf62df1_JaffaCakes118.exe	33
PID 1560 wrote to memory of 2752	1560	3f1b7aa146a77bf2b405b38e0cf62df1_JaffaCakes118.exe	33
PID 1560 wrote to memory of 2908	1560	3f1b7aa146a77bf2b405b38e0cf62df1_JaffaCakes118.exe	35
PID 1560 wrote to memory of 2908	1560	3f1b7aa146a77bf2b405b38e0cf62df1_JaffaCakes118.exe	35
PID 1560 wrote to memory of 2908	1560	3f1b7aa146a77bf2b405b38e0cf62df1_JaffaCakes118.exe	35
PID 1560 wrote to memory of 2908	1560	3f1b7aa146a77bf2b405b38e0cf62df1_JaffaCakes118.exe	35
PID 1560 wrote to memory of 3064	1560	3f1b7aa146a77bf2b405b38e0cf62df1_JaffaCakes118.exe	37
PID 1560 wrote to memory of 3064	1560	3f1b7aa146a77bf2b405b38e0cf62df1_JaffaCakes118.exe	37
PID 1560 wrote to memory of 3064	1560	3f1b7aa146a77bf2b405b38e0cf62df1_JaffaCakes118.exe	37
PID 1560 wrote to memory of 3064	1560	3f1b7aa146a77bf2b405b38e0cf62df1_JaffaCakes118.exe	37
PID 1560 wrote to memory of 2320	1560	3f1b7aa146a77bf2b405b38e0cf62df1_JaffaCakes118.exe	40
PID 1560 wrote to memory of 2320	1560	3f1b7aa146a77bf2b405b38e0cf62df1_JaffaCakes118.exe	40
PID 1560 wrote to memory of 2320	1560	3f1b7aa146a77bf2b405b38e0cf62df1_JaffaCakes118.exe	40
PID 1560 wrote to memory of 2320	1560	3f1b7aa146a77bf2b405b38e0cf62df1_JaffaCakes118.exe	40
PID 2784 wrote to memory of 2668	2784	audnadiu.exe	42
PID 2784 wrote to memory of 2668	2784	audnadiu.exe	42
PID 2784 wrote to memory of 2668	2784	audnadiu.exe	42
PID 2784 wrote to memory of 2668	2784	audnadiu.exe	42
PID 2784 wrote to memory of 2668	2784	audnadiu.exe	42
PID 2784 wrote to memory of 2668	2784	audnadiu.exe	42

C:\Users\Admin\AppData\Local\Temp\3f1b7aa146a77bf2b405b38e0cf62df1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3f1b7aa146a77bf2b405b38e0cf62df1_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1560
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\wspaaekk\
  2⤵
  PID:2704
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\audnadiu.exe" C:\Windows\SysWOW64\wspaaekk\
  2⤵
  PID:2284
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create wspaaekk binPath= "C:\Windows\SysWOW64\wspaaekk\audnadiu.exe /d\"C:\Users\Admin\AppData\Local\Temp\3f1b7aa146a77bf2b405b38e0cf62df1_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  PID:2752
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description wspaaekk "wifi internet conection"
  2⤵
  - Launches sc.exe
  PID:2908
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start wspaaekk
  2⤵
  - Launches sc.exe
  PID:3064
- 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
  PID:2320

C:\Windows\SysWOW64\wspaaekk\audnadiu.exe
C:\Windows\SysWOW64\wspaaekk\audnadiu.exe /d"C:\Users\Admin\AppData\Local\Temp\3f1b7aa146a77bf2b405b38e0cf62df1_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2784
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Windows security bypass
  - Sets service image path in registry
  - Deletes itself
  PID:2668

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\audnadiu.exe

Filesize
13.9MB

MD5
ac4c562d47083e9753c51d5393a36df8

SHA1
070f334cbb2d43a15f5c599ebe3014d61bd8d394

SHA256
1a9bbb527249b683047df3492c8cd2a25de07fc782fc34a15a678faeba0d4d26

SHA512
a25762e0b413c3845647c7c72fd9950e8a5dc1b75f7a8079789af785b0200d06deca286e9e1f574d3c57a768addb670b69c55350ac6d9fb7620f7afe23eed608

Download Submit
memory/1560-7-0x0000000000400000-0x0000000000871000-memory.dmp

Filesize
4.4MB

Download
memory/1560-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1560-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1560-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1560-8-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1560-1-0x0000000000CC0000-0x0000000000DC0000-memory.dmp

Filesize
1024KB

Download
memory/2668-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2668-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2668-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2668-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2668-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2784-17-0x0000000000400000-0x0000000000871000-memory.dmp

Filesize
4.4MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads