tofsee | f97e9234998e7353bdc892de79a4417d3b71cc6ecfd9ae93c126548d248cea8d

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 18:45

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General

Target

JaffaCakes118_f97e9234998e7353bdc892de79a4417d3b71cc6ecfd9ae93c126548d248cea8d.exe
Size

179KB
MD5

3ccebd9ecee533a6da8d05648531fc2d
SHA1

6fffad579f3553b660bdf44f3fa20ada8459ac7b
SHA256

f97e9234998e7353bdc892de79a4417d3b71cc6ecfd9ae93c126548d248cea8d
SHA512

bc259f01185020dab056cdcc0655a46f6a189238efc9b9e1a43fa016554d37f8941e94a5f661e42df41388e3f65c917e35a9418911e705c938f1411d6ff31f8c
SSDEEP

3072:87S4EKeM3KP5f6VXjth8p8Zc7XNhfKgqr8XscnUiDJ5:yeM3KPlKD8p8Wnfacnl

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\oumjapuf = "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
2804	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\oumjapuf\ImagePath = "C:\\Windows\\SysWOW64\\oumjapuf\\tclthzhq.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2824	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2828	tclthzhq.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2828 set thread context of 2824	2828	tclthzhq.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
1956	sc.exe
2800	sc.exe
2140	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	tclthzhq.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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_f97e9234998e7353bdc892de79a4417d3b71cc6ecfd9ae93c126548d248cea8d.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2168 wrote to memory of 2508	2168	JaffaCakes118_f97e9234998e7353bdc892de79a4417d3b71cc6ecfd9ae93c126548d248cea8d.exe	30
PID 2168 wrote to memory of 2508	2168	JaffaCakes118_f97e9234998e7353bdc892de79a4417d3b71cc6ecfd9ae93c126548d248cea8d.exe	30
PID 2168 wrote to memory of 2508	2168	JaffaCakes118_f97e9234998e7353bdc892de79a4417d3b71cc6ecfd9ae93c126548d248cea8d.exe	30
PID 2168 wrote to memory of 2508	2168	JaffaCakes118_f97e9234998e7353bdc892de79a4417d3b71cc6ecfd9ae93c126548d248cea8d.exe	30
PID 2168 wrote to memory of 772	2168	JaffaCakes118_f97e9234998e7353bdc892de79a4417d3b71cc6ecfd9ae93c126548d248cea8d.exe	32
PID 2168 wrote to memory of 772	2168	JaffaCakes118_f97e9234998e7353bdc892de79a4417d3b71cc6ecfd9ae93c126548d248cea8d.exe	32
PID 2168 wrote to memory of 772	2168	JaffaCakes118_f97e9234998e7353bdc892de79a4417d3b71cc6ecfd9ae93c126548d248cea8d.exe	32
PID 2168 wrote to memory of 772	2168	JaffaCakes118_f97e9234998e7353bdc892de79a4417d3b71cc6ecfd9ae93c126548d248cea8d.exe	32
PID 2168 wrote to memory of 2140	2168	JaffaCakes118_f97e9234998e7353bdc892de79a4417d3b71cc6ecfd9ae93c126548d248cea8d.exe	34
PID 2168 wrote to memory of 2140	2168	JaffaCakes118_f97e9234998e7353bdc892de79a4417d3b71cc6ecfd9ae93c126548d248cea8d.exe	34
PID 2168 wrote to memory of 2140	2168	JaffaCakes118_f97e9234998e7353bdc892de79a4417d3b71cc6ecfd9ae93c126548d248cea8d.exe	34
PID 2168 wrote to memory of 2140	2168	JaffaCakes118_f97e9234998e7353bdc892de79a4417d3b71cc6ecfd9ae93c126548d248cea8d.exe	34
PID 2168 wrote to memory of 1956	2168	JaffaCakes118_f97e9234998e7353bdc892de79a4417d3b71cc6ecfd9ae93c126548d248cea8d.exe	36
PID 2168 wrote to memory of 1956	2168	JaffaCakes118_f97e9234998e7353bdc892de79a4417d3b71cc6ecfd9ae93c126548d248cea8d.exe	36
PID 2168 wrote to memory of 1956	2168	JaffaCakes118_f97e9234998e7353bdc892de79a4417d3b71cc6ecfd9ae93c126548d248cea8d.exe	36
PID 2168 wrote to memory of 1956	2168	JaffaCakes118_f97e9234998e7353bdc892de79a4417d3b71cc6ecfd9ae93c126548d248cea8d.exe	36
PID 2168 wrote to memory of 2800	2168	JaffaCakes118_f97e9234998e7353bdc892de79a4417d3b71cc6ecfd9ae93c126548d248cea8d.exe	38
PID 2168 wrote to memory of 2800	2168	JaffaCakes118_f97e9234998e7353bdc892de79a4417d3b71cc6ecfd9ae93c126548d248cea8d.exe	38
PID 2168 wrote to memory of 2800	2168	JaffaCakes118_f97e9234998e7353bdc892de79a4417d3b71cc6ecfd9ae93c126548d248cea8d.exe	38
PID 2168 wrote to memory of 2800	2168	JaffaCakes118_f97e9234998e7353bdc892de79a4417d3b71cc6ecfd9ae93c126548d248cea8d.exe	38
PID 2168 wrote to memory of 2804	2168	JaffaCakes118_f97e9234998e7353bdc892de79a4417d3b71cc6ecfd9ae93c126548d248cea8d.exe	41
PID 2168 wrote to memory of 2804	2168	JaffaCakes118_f97e9234998e7353bdc892de79a4417d3b71cc6ecfd9ae93c126548d248cea8d.exe	41
PID 2168 wrote to memory of 2804	2168	JaffaCakes118_f97e9234998e7353bdc892de79a4417d3b71cc6ecfd9ae93c126548d248cea8d.exe	41
PID 2168 wrote to memory of 2804	2168	JaffaCakes118_f97e9234998e7353bdc892de79a4417d3b71cc6ecfd9ae93c126548d248cea8d.exe	41
PID 2828 wrote to memory of 2824	2828	tclthzhq.exe	43
PID 2828 wrote to memory of 2824	2828	tclthzhq.exe	43
PID 2828 wrote to memory of 2824	2828	tclthzhq.exe	43
PID 2828 wrote to memory of 2824	2828	tclthzhq.exe	43
PID 2828 wrote to memory of 2824	2828	tclthzhq.exe	43
PID 2828 wrote to memory of 2824	2828	tclthzhq.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f97e9234998e7353bdc892de79a4417d3b71cc6ecfd9ae93c126548d248cea8d.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f97e9234998e7353bdc892de79a4417d3b71cc6ecfd9ae93c126548d248cea8d.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2168
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\oumjapuf\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2508
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\tclthzhq.exe" C:\Windows\SysWOW64\oumjapuf\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:772
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create oumjapuf binPath= "C:\Windows\SysWOW64\oumjapuf\tclthzhq.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f97e9234998e7353bdc892de79a4417d3b71cc6ecfd9ae93c126548d248cea8d.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2140
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description oumjapuf "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1956
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start oumjapuf
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2800
- 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:2804

C:\Windows\SysWOW64\oumjapuf\tclthzhq.exe
C:\Windows\SysWOW64\oumjapuf\tclthzhq.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f97e9234998e7353bdc892de79a4417d3b71cc6ecfd9ae93c126548d248cea8d.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2828
- 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:2824

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\tclthzhq.exe

Filesize
14.1MB

MD5
7be962c23cc5440d8bb8b9b680d06525

SHA1
2a79ee7a6bacd72a451a5948b0a9cb3667ec8bbf

SHA256
65436fe9fcbcae0bfa8b9c1555c31ea4693c9c4e636064d118c76a935e503861

SHA512
b38270a53c34c1def9522bd07848cfe58616bad02668db7507faedc704e76e12e63dc8369976d2393cdf8f41384f9aea85e2b41964e365ef89ffecbbb7a3066e

Download Submit
memory/2168-7-0x0000000000220000-0x000000000022D000-memory.dmp

Filesize
52KB

Download
memory/2168-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2168-1-0x0000000000230000-0x0000000000243000-memory.dmp

Filesize
76KB

Download
memory/2168-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2168-8-0x0000000000230000-0x0000000000243000-memory.dmp

Filesize
76KB

Download
memory/2168-0-0x0000000000220000-0x000000000022D000-memory.dmp

Filesize
52KB

Download
memory/2168-6-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/2824-13-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2824-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2824-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2824-10-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2824-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2828-16-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads