tofsee | ed7060442c3826f98ea3a5a07d275ebee8e4c9d29ea299d7d689e54fe35f963c

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
31-10-2024 09:13

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General

Target

8294dd5787bd67b96be1626a0121cedb_JaffaCakes118.exe
Size

14.7MB
MD5

8294dd5787bd67b96be1626a0121cedb
SHA1

fff7eb9aa0c0607026f63a2e12c4452973084c7a
SHA256

ed7060442c3826f98ea3a5a07d275ebee8e4c9d29ea299d7d689e54fe35f963c
SHA512

0c5365afed982d9de2bf75658d54c7d6a3abd69a0e5c21b67e99c4b1a56e06ba31c2f24b4fc5669557c107858a681fbe13b8fe416e3105de327f71941b09c82d
SSDEEP

393216:Yrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrn:

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\ojtgxiyl = "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
2876	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\ojtgxiyl\ImagePath = "C:\\Windows\\SysWOW64\\ojtgxiyl\\mcccriog.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2764	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3068	mcccriog.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3068 set thread context of 2764	3068	mcccriog.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
1160	sc.exe
2768	sc.exe
2836	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mcccriog.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.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	8294dd5787bd67b96be1626a0121cedb_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1924 wrote to memory of 2548	1924	8294dd5787bd67b96be1626a0121cedb_JaffaCakes118.exe	30
PID 1924 wrote to memory of 2548	1924	8294dd5787bd67b96be1626a0121cedb_JaffaCakes118.exe	30
PID 1924 wrote to memory of 2548	1924	8294dd5787bd67b96be1626a0121cedb_JaffaCakes118.exe	30
PID 1924 wrote to memory of 2548	1924	8294dd5787bd67b96be1626a0121cedb_JaffaCakes118.exe	30
PID 1924 wrote to memory of 1136	1924	8294dd5787bd67b96be1626a0121cedb_JaffaCakes118.exe	32
PID 1924 wrote to memory of 1136	1924	8294dd5787bd67b96be1626a0121cedb_JaffaCakes118.exe	32
PID 1924 wrote to memory of 1136	1924	8294dd5787bd67b96be1626a0121cedb_JaffaCakes118.exe	32
PID 1924 wrote to memory of 1136	1924	8294dd5787bd67b96be1626a0121cedb_JaffaCakes118.exe	32
PID 1924 wrote to memory of 1160	1924	8294dd5787bd67b96be1626a0121cedb_JaffaCakes118.exe	34
PID 1924 wrote to memory of 1160	1924	8294dd5787bd67b96be1626a0121cedb_JaffaCakes118.exe	34
PID 1924 wrote to memory of 1160	1924	8294dd5787bd67b96be1626a0121cedb_JaffaCakes118.exe	34
PID 1924 wrote to memory of 1160	1924	8294dd5787bd67b96be1626a0121cedb_JaffaCakes118.exe	34
PID 1924 wrote to memory of 2768	1924	8294dd5787bd67b96be1626a0121cedb_JaffaCakes118.exe	36
PID 1924 wrote to memory of 2768	1924	8294dd5787bd67b96be1626a0121cedb_JaffaCakes118.exe	36
PID 1924 wrote to memory of 2768	1924	8294dd5787bd67b96be1626a0121cedb_JaffaCakes118.exe	36
PID 1924 wrote to memory of 2768	1924	8294dd5787bd67b96be1626a0121cedb_JaffaCakes118.exe	36
PID 1924 wrote to memory of 2836	1924	8294dd5787bd67b96be1626a0121cedb_JaffaCakes118.exe	38
PID 1924 wrote to memory of 2836	1924	8294dd5787bd67b96be1626a0121cedb_JaffaCakes118.exe	38
PID 1924 wrote to memory of 2836	1924	8294dd5787bd67b96be1626a0121cedb_JaffaCakes118.exe	38
PID 1924 wrote to memory of 2836	1924	8294dd5787bd67b96be1626a0121cedb_JaffaCakes118.exe	38
PID 1924 wrote to memory of 2876	1924	8294dd5787bd67b96be1626a0121cedb_JaffaCakes118.exe	41
PID 1924 wrote to memory of 2876	1924	8294dd5787bd67b96be1626a0121cedb_JaffaCakes118.exe	41
PID 1924 wrote to memory of 2876	1924	8294dd5787bd67b96be1626a0121cedb_JaffaCakes118.exe	41
PID 1924 wrote to memory of 2876	1924	8294dd5787bd67b96be1626a0121cedb_JaffaCakes118.exe	41
PID 3068 wrote to memory of 2764	3068	mcccriog.exe	44
PID 3068 wrote to memory of 2764	3068	mcccriog.exe	44
PID 3068 wrote to memory of 2764	3068	mcccriog.exe	44
PID 3068 wrote to memory of 2764	3068	mcccriog.exe	44
PID 3068 wrote to memory of 2764	3068	mcccriog.exe	44
PID 3068 wrote to memory of 2764	3068	mcccriog.exe	44

C:\Users\Admin\AppData\Local\Temp\8294dd5787bd67b96be1626a0121cedb_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8294dd5787bd67b96be1626a0121cedb_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1924
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ojtgxiyl\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2548
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\mcccriog.exe" C:\Windows\SysWOW64\ojtgxiyl\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1136
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create ojtgxiyl binPath= "C:\Windows\SysWOW64\ojtgxiyl\mcccriog.exe /d\"C:\Users\Admin\AppData\Local\Temp\8294dd5787bd67b96be1626a0121cedb_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1160
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description ojtgxiyl "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2768
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start ojtgxiyl
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2836
- 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:2876

C:\Windows\SysWOW64\ojtgxiyl\mcccriog.exe
C:\Windows\SysWOW64\ojtgxiyl\mcccriog.exe /d"C:\Users\Admin\AppData\Local\Temp\8294dd5787bd67b96be1626a0121cedb_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3068
- 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:2764

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\mcccriog.exe

Filesize
11.6MB

MD5
ef0ccfb8a6fcf4efa7525056d6141a2c

SHA1
55d051fe31ae9559743c5c643d4269437add6e94

SHA256
ac5e9eada7d5518959376befdfb1329262659ad25122124240c12ff891dccdc5

SHA512
8c8a6f1503ff038993a922c377aec418ac269cee458b2b19b4b39986f38323f508b97cf96ee3f46841bea5397d99b07fa6ff11366b5dac64d36ffcf0f6a203b0

Download Submit
memory/1924-8-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1924-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1924-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1924-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1924-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1924-1-0x0000000000530000-0x0000000000630000-memory.dmp

Filesize
1024KB

Download
memory/2764-14-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2764-16-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2764-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2764-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2764-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/3068-17-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads