tofsee | 41c62319f5095e05f1749fc830c675ef9eca8e384b7ea019353712bcb1deb71a

Analysis

max time kernel
147s
max time network
147s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 23:51

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General

Target

JaffaCakes118_41c62319f5095e05f1749fc830c675ef9eca8e384b7ea019353712bcb1deb71a.exe
Size

146KB
MD5

aa26c70d082752558ebac6feb1d2763a
SHA1

bb861e45f4ae2113fd37f7d6b48f76dbff48a4a6
SHA256

41c62319f5095e05f1749fc830c675ef9eca8e384b7ea019353712bcb1deb71a
SHA512

d4932632e8e2faeeada1cd6a0e4bd6b8872de89734b09c9038e9ae578ce83b7a2ce4b0016f8322a85ad79d644ba845292d3860f3afd250f569b4d8345f22f006
SSDEEP

3072:FEh6zGMpXOxTbzOqd2kXxna/QCxZ5SqfPw7z:Fo6yMpyTHpNDqfIn

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\hrmoynoe = "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
2864	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\hrmoynoe\ImagePath = "C:\\Windows\\SysWOW64\\hrmoynoe\\ljykealb.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
3024	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2744	ljykealb.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2744 set thread context of 3024	2744	ljykealb.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2064	sc.exe
2220	sc.exe
2652	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	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_41c62319f5095e05f1749fc830c675ef9eca8e384b7ea019353712bcb1deb71a.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	ljykealb.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2280 wrote to memory of 2976	2280	JaffaCakes118_41c62319f5095e05f1749fc830c675ef9eca8e384b7ea019353712bcb1deb71a.exe	30
PID 2280 wrote to memory of 2976	2280	JaffaCakes118_41c62319f5095e05f1749fc830c675ef9eca8e384b7ea019353712bcb1deb71a.exe	30
PID 2280 wrote to memory of 2976	2280	JaffaCakes118_41c62319f5095e05f1749fc830c675ef9eca8e384b7ea019353712bcb1deb71a.exe	30
PID 2280 wrote to memory of 2976	2280	JaffaCakes118_41c62319f5095e05f1749fc830c675ef9eca8e384b7ea019353712bcb1deb71a.exe	30
PID 2280 wrote to memory of 2848	2280	JaffaCakes118_41c62319f5095e05f1749fc830c675ef9eca8e384b7ea019353712bcb1deb71a.exe	32
PID 2280 wrote to memory of 2848	2280	JaffaCakes118_41c62319f5095e05f1749fc830c675ef9eca8e384b7ea019353712bcb1deb71a.exe	32
PID 2280 wrote to memory of 2848	2280	JaffaCakes118_41c62319f5095e05f1749fc830c675ef9eca8e384b7ea019353712bcb1deb71a.exe	32
PID 2280 wrote to memory of 2848	2280	JaffaCakes118_41c62319f5095e05f1749fc830c675ef9eca8e384b7ea019353712bcb1deb71a.exe	32
PID 2280 wrote to memory of 2064	2280	JaffaCakes118_41c62319f5095e05f1749fc830c675ef9eca8e384b7ea019353712bcb1deb71a.exe	34
PID 2280 wrote to memory of 2064	2280	JaffaCakes118_41c62319f5095e05f1749fc830c675ef9eca8e384b7ea019353712bcb1deb71a.exe	34
PID 2280 wrote to memory of 2064	2280	JaffaCakes118_41c62319f5095e05f1749fc830c675ef9eca8e384b7ea019353712bcb1deb71a.exe	34
PID 2280 wrote to memory of 2064	2280	JaffaCakes118_41c62319f5095e05f1749fc830c675ef9eca8e384b7ea019353712bcb1deb71a.exe	34
PID 2280 wrote to memory of 2220	2280	JaffaCakes118_41c62319f5095e05f1749fc830c675ef9eca8e384b7ea019353712bcb1deb71a.exe	36
PID 2280 wrote to memory of 2220	2280	JaffaCakes118_41c62319f5095e05f1749fc830c675ef9eca8e384b7ea019353712bcb1deb71a.exe	36
PID 2280 wrote to memory of 2220	2280	JaffaCakes118_41c62319f5095e05f1749fc830c675ef9eca8e384b7ea019353712bcb1deb71a.exe	36
PID 2280 wrote to memory of 2220	2280	JaffaCakes118_41c62319f5095e05f1749fc830c675ef9eca8e384b7ea019353712bcb1deb71a.exe	36
PID 2280 wrote to memory of 2652	2280	JaffaCakes118_41c62319f5095e05f1749fc830c675ef9eca8e384b7ea019353712bcb1deb71a.exe	38
PID 2280 wrote to memory of 2652	2280	JaffaCakes118_41c62319f5095e05f1749fc830c675ef9eca8e384b7ea019353712bcb1deb71a.exe	38
PID 2280 wrote to memory of 2652	2280	JaffaCakes118_41c62319f5095e05f1749fc830c675ef9eca8e384b7ea019353712bcb1deb71a.exe	38
PID 2280 wrote to memory of 2652	2280	JaffaCakes118_41c62319f5095e05f1749fc830c675ef9eca8e384b7ea019353712bcb1deb71a.exe	38
PID 2280 wrote to memory of 2864	2280	JaffaCakes118_41c62319f5095e05f1749fc830c675ef9eca8e384b7ea019353712bcb1deb71a.exe	41
PID 2280 wrote to memory of 2864	2280	JaffaCakes118_41c62319f5095e05f1749fc830c675ef9eca8e384b7ea019353712bcb1deb71a.exe	41
PID 2280 wrote to memory of 2864	2280	JaffaCakes118_41c62319f5095e05f1749fc830c675ef9eca8e384b7ea019353712bcb1deb71a.exe	41
PID 2280 wrote to memory of 2864	2280	JaffaCakes118_41c62319f5095e05f1749fc830c675ef9eca8e384b7ea019353712bcb1deb71a.exe	41
PID 2744 wrote to memory of 3024	2744	ljykealb.exe	43
PID 2744 wrote to memory of 3024	2744	ljykealb.exe	43
PID 2744 wrote to memory of 3024	2744	ljykealb.exe	43
PID 2744 wrote to memory of 3024	2744	ljykealb.exe	43
PID 2744 wrote to memory of 3024	2744	ljykealb.exe	43
PID 2744 wrote to memory of 3024	2744	ljykealb.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_41c62319f5095e05f1749fc830c675ef9eca8e384b7ea019353712bcb1deb71a.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_41c62319f5095e05f1749fc830c675ef9eca8e384b7ea019353712bcb1deb71a.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2280
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\hrmoynoe\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2976
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ljykealb.exe" C:\Windows\SysWOW64\hrmoynoe\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2848
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create hrmoynoe binPath= "C:\Windows\SysWOW64\hrmoynoe\ljykealb.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_41c62319f5095e05f1749fc830c675ef9eca8e384b7ea019353712bcb1deb71a.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2064
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description hrmoynoe "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2220
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start hrmoynoe
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2652
- 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:2864

C:\Windows\SysWOW64\hrmoynoe\ljykealb.exe
C:\Windows\SysWOW64\hrmoynoe\ljykealb.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_41c62319f5095e05f1749fc830c675ef9eca8e384b7ea019353712bcb1deb71a.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2744
- 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:3024

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\ljykealb.exe

Filesize
13.1MB

MD5
7af5a4dcc5cb91cfe69511dd6ade5cc0

SHA1
513dafd3aa91d387cf13ae6bef2682ada6fca3e4

SHA256
f281df4473761559321b30066bacd2cce6a9a53566bf0f27b3ed957b52a2450a

SHA512
c74c4334272b5dea0ef996c3de9578856e8d5635f4971118c5b4a9d417d6db91d40b4ec037b997a28dbd0c98a1258903a3253091c8b77c8cc8967230b857b779

Download Submit
memory/2280-8-0x0000000000400000-0x00000000004AB000-memory.dmp

Filesize
684KB

Download
memory/2280-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2280-2-0x00000000001B0000-0x00000000001C3000-memory.dmp

Filesize
76KB

Download
memory/2280-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2280-9-0x00000000001B0000-0x00000000001C3000-memory.dmp

Filesize
76KB

Download
memory/2280-1-0x00000000002F0000-0x00000000003F0000-memory.dmp

Filesize
1024KB

Download
memory/2744-15-0x0000000000400000-0x00000000004AB000-memory.dmp

Filesize
684KB

Download
memory/3024-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3024-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3024-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3024-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3024-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3024-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads