tofsee | ea8c3f4261027d08ab8cce0cde9aab5c4a91b9e1dfbf05e9256ad1ca109346df

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 13:47

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General

Target

JaffaCakes118_ea8c3f4261027d08ab8cce0cde9aab5c4a91b9e1dfbf05e9256ad1ca109346df.exe
Size

165KB
MD5

e3ff0997d4491087087113690455d779
SHA1

0917d465cdb14b85472f8fe12814a6f42d605489
SHA256

ea8c3f4261027d08ab8cce0cde9aab5c4a91b9e1dfbf05e9256ad1ca109346df
SHA512

36231e81ed100a0557956f5164335545ac5c4bbfa922c9c2481a9f4e3f3f31a492203d808e1aab6183df952df9a1aaaf69427b585bb9695b7fe8dcc8c39ef780
SSDEEP

3072:3jeAGOlqXQ7///rqPdKVvXckj8Dw1UfsF3uz04Vc2:KAG+qXosduvXcktAs9u/

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

quadoil.ru

lakeflex.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\vxasqcfn = "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
2080	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\vxasqcfn\ImagePath = "C:\\Windows\\SysWOW64\\vxasqcfn\\shiobmgf.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2884	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2756	shiobmgf.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2756 set thread context of 2884	2756	shiobmgf.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
1596	sc.exe
2408	sc.exe
2732	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 queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_ea8c3f4261027d08ab8cce0cde9aab5c4a91b9e1dfbf05e9256ad1ca109346df.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	shiobmgf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2328 wrote to memory of 2068	2328	JaffaCakes118_ea8c3f4261027d08ab8cce0cde9aab5c4a91b9e1dfbf05e9256ad1ca109346df.exe	30
PID 2328 wrote to memory of 2068	2328	JaffaCakes118_ea8c3f4261027d08ab8cce0cde9aab5c4a91b9e1dfbf05e9256ad1ca109346df.exe	30
PID 2328 wrote to memory of 2068	2328	JaffaCakes118_ea8c3f4261027d08ab8cce0cde9aab5c4a91b9e1dfbf05e9256ad1ca109346df.exe	30
PID 2328 wrote to memory of 2068	2328	JaffaCakes118_ea8c3f4261027d08ab8cce0cde9aab5c4a91b9e1dfbf05e9256ad1ca109346df.exe	30
PID 2328 wrote to memory of 2892	2328	JaffaCakes118_ea8c3f4261027d08ab8cce0cde9aab5c4a91b9e1dfbf05e9256ad1ca109346df.exe	32
PID 2328 wrote to memory of 2892	2328	JaffaCakes118_ea8c3f4261027d08ab8cce0cde9aab5c4a91b9e1dfbf05e9256ad1ca109346df.exe	32
PID 2328 wrote to memory of 2892	2328	JaffaCakes118_ea8c3f4261027d08ab8cce0cde9aab5c4a91b9e1dfbf05e9256ad1ca109346df.exe	32
PID 2328 wrote to memory of 2892	2328	JaffaCakes118_ea8c3f4261027d08ab8cce0cde9aab5c4a91b9e1dfbf05e9256ad1ca109346df.exe	32
PID 2328 wrote to memory of 1596	2328	JaffaCakes118_ea8c3f4261027d08ab8cce0cde9aab5c4a91b9e1dfbf05e9256ad1ca109346df.exe	34
PID 2328 wrote to memory of 1596	2328	JaffaCakes118_ea8c3f4261027d08ab8cce0cde9aab5c4a91b9e1dfbf05e9256ad1ca109346df.exe	34
PID 2328 wrote to memory of 1596	2328	JaffaCakes118_ea8c3f4261027d08ab8cce0cde9aab5c4a91b9e1dfbf05e9256ad1ca109346df.exe	34
PID 2328 wrote to memory of 1596	2328	JaffaCakes118_ea8c3f4261027d08ab8cce0cde9aab5c4a91b9e1dfbf05e9256ad1ca109346df.exe	34
PID 2328 wrote to memory of 2408	2328	JaffaCakes118_ea8c3f4261027d08ab8cce0cde9aab5c4a91b9e1dfbf05e9256ad1ca109346df.exe	36
PID 2328 wrote to memory of 2408	2328	JaffaCakes118_ea8c3f4261027d08ab8cce0cde9aab5c4a91b9e1dfbf05e9256ad1ca109346df.exe	36
PID 2328 wrote to memory of 2408	2328	JaffaCakes118_ea8c3f4261027d08ab8cce0cde9aab5c4a91b9e1dfbf05e9256ad1ca109346df.exe	36
PID 2328 wrote to memory of 2408	2328	JaffaCakes118_ea8c3f4261027d08ab8cce0cde9aab5c4a91b9e1dfbf05e9256ad1ca109346df.exe	36
PID 2328 wrote to memory of 2732	2328	JaffaCakes118_ea8c3f4261027d08ab8cce0cde9aab5c4a91b9e1dfbf05e9256ad1ca109346df.exe	38
PID 2328 wrote to memory of 2732	2328	JaffaCakes118_ea8c3f4261027d08ab8cce0cde9aab5c4a91b9e1dfbf05e9256ad1ca109346df.exe	38
PID 2328 wrote to memory of 2732	2328	JaffaCakes118_ea8c3f4261027d08ab8cce0cde9aab5c4a91b9e1dfbf05e9256ad1ca109346df.exe	38
PID 2328 wrote to memory of 2732	2328	JaffaCakes118_ea8c3f4261027d08ab8cce0cde9aab5c4a91b9e1dfbf05e9256ad1ca109346df.exe	38
PID 2756 wrote to memory of 2884	2756	shiobmgf.exe	41
PID 2756 wrote to memory of 2884	2756	shiobmgf.exe	41
PID 2756 wrote to memory of 2884	2756	shiobmgf.exe	41
PID 2756 wrote to memory of 2884	2756	shiobmgf.exe	41
PID 2756 wrote to memory of 2884	2756	shiobmgf.exe	41
PID 2756 wrote to memory of 2884	2756	shiobmgf.exe	41
PID 2328 wrote to memory of 2080	2328	JaffaCakes118_ea8c3f4261027d08ab8cce0cde9aab5c4a91b9e1dfbf05e9256ad1ca109346df.exe	42
PID 2328 wrote to memory of 2080	2328	JaffaCakes118_ea8c3f4261027d08ab8cce0cde9aab5c4a91b9e1dfbf05e9256ad1ca109346df.exe	42
PID 2328 wrote to memory of 2080	2328	JaffaCakes118_ea8c3f4261027d08ab8cce0cde9aab5c4a91b9e1dfbf05e9256ad1ca109346df.exe	42
PID 2328 wrote to memory of 2080	2328	JaffaCakes118_ea8c3f4261027d08ab8cce0cde9aab5c4a91b9e1dfbf05e9256ad1ca109346df.exe	42

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ea8c3f4261027d08ab8cce0cde9aab5c4a91b9e1dfbf05e9256ad1ca109346df.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ea8c3f4261027d08ab8cce0cde9aab5c4a91b9e1dfbf05e9256ad1ca109346df.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2328
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\vxasqcfn\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2068
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\shiobmgf.exe" C:\Windows\SysWOW64\vxasqcfn\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2892
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create vxasqcfn binPath= "C:\Windows\SysWOW64\vxasqcfn\shiobmgf.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ea8c3f4261027d08ab8cce0cde9aab5c4a91b9e1dfbf05e9256ad1ca109346df.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1596
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description vxasqcfn "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2408
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start vxasqcfn
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2732
- 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:2080

C:\Windows\SysWOW64\vxasqcfn\shiobmgf.exe
C:\Windows\SysWOW64\vxasqcfn\shiobmgf.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ea8c3f4261027d08ab8cce0cde9aab5c4a91b9e1dfbf05e9256ad1ca109346df.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2756
- 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:2884

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\shiobmgf.exe

Filesize
12.7MB

MD5
aa21cef1e09bd9527e3bf9a2d7b94256

SHA1
9a3fb8a1b121f2f59ff1af34aa444762490585b0

SHA256
4c51639a8cc826bf5e787b9a7bc4cf0c640034a73ed1ae55ab95e7935f860b5e

SHA512
dafc7c95d05a5686d37409736ea021ce70a26f383fd0772178cfe584b61fb5c7e661153b9b0fe796b15cb4b9dad354fb163b5e17232cab6042bd7a8600233d64

Download Submit
memory/2328-14-0x0000000000220000-0x000000000022D000-memory.dmp

Filesize
52KB

Download
memory/2328-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2328-0-0x0000000000220000-0x000000000022D000-memory.dmp

Filesize
52KB

Download
memory/2328-15-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2328-1-0x0000000000230000-0x0000000000243000-memory.dmp

Filesize
76KB

Download
memory/2328-13-0x0000000000230000-0x0000000000243000-memory.dmp

Filesize
76KB

Download
memory/2328-12-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2756-11-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2884-9-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2884-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2884-6-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2884-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2884-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads