tofsee | 57c95a2c8115f5190662591b71bd5ef04af79412a43b00e3b1b3e964a0dabeb9

Analysis

max time kernel
146s
max time network
145s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
29-12-2024 11:16

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General

Target

JaffaCakes118_57c95a2c8115f5190662591b71bd5ef04af79412a43b00e3b1b3e964a0dabeb9.exe
Size

254KB
MD5

613e1a25d4d4a8690d2bce34c6bbc453
SHA1

52b6635de76194a2929e33b04cb222d3ab4085b0
SHA256

57c95a2c8115f5190662591b71bd5ef04af79412a43b00e3b1b3e964a0dabeb9
SHA512

e0f0bbe301e59a1e87d4014c1f8d63fd7a13cb6f9e754b5987a5328372e3b3c944e0af511090f523e9947dad85e5a2d89176936b07f2ad245b85bd4666beaf34
SSDEEP

6144:RoDgJvgPtv+zvATOKB7isFXGuYKtsKOmblLBxlfFO:Rq+4Ptv+zobAsFXTrBbRlc

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\asacefqy = "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
2404	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\asacefqy\ImagePath = "C:\\Windows\\SysWOW64\\asacefqy\\smiozjbh.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2852	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3012	smiozjbh.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3012 set thread context of 2852	3012	smiozjbh.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2412	sc.exe
1560	sc.exe
1716	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	smiozjbh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_57c95a2c8115f5190662591b71bd5ef04af79412a43b00e3b1b3e964a0dabeb9.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

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2192 wrote to memory of 2536	2192	JaffaCakes118_57c95a2c8115f5190662591b71bd5ef04af79412a43b00e3b1b3e964a0dabeb9.exe	28
PID 2192 wrote to memory of 2536	2192	JaffaCakes118_57c95a2c8115f5190662591b71bd5ef04af79412a43b00e3b1b3e964a0dabeb9.exe	28
PID 2192 wrote to memory of 2536	2192	JaffaCakes118_57c95a2c8115f5190662591b71bd5ef04af79412a43b00e3b1b3e964a0dabeb9.exe	28
PID 2192 wrote to memory of 2536	2192	JaffaCakes118_57c95a2c8115f5190662591b71bd5ef04af79412a43b00e3b1b3e964a0dabeb9.exe	28
PID 2192 wrote to memory of 3064	2192	JaffaCakes118_57c95a2c8115f5190662591b71bd5ef04af79412a43b00e3b1b3e964a0dabeb9.exe	32
PID 2192 wrote to memory of 3064	2192	JaffaCakes118_57c95a2c8115f5190662591b71bd5ef04af79412a43b00e3b1b3e964a0dabeb9.exe	32
PID 2192 wrote to memory of 3064	2192	JaffaCakes118_57c95a2c8115f5190662591b71bd5ef04af79412a43b00e3b1b3e964a0dabeb9.exe	32
PID 2192 wrote to memory of 3064	2192	JaffaCakes118_57c95a2c8115f5190662591b71bd5ef04af79412a43b00e3b1b3e964a0dabeb9.exe	32
PID 2192 wrote to memory of 2412	2192	JaffaCakes118_57c95a2c8115f5190662591b71bd5ef04af79412a43b00e3b1b3e964a0dabeb9.exe	34
PID 2192 wrote to memory of 2412	2192	JaffaCakes118_57c95a2c8115f5190662591b71bd5ef04af79412a43b00e3b1b3e964a0dabeb9.exe	34
PID 2192 wrote to memory of 2412	2192	JaffaCakes118_57c95a2c8115f5190662591b71bd5ef04af79412a43b00e3b1b3e964a0dabeb9.exe	34
PID 2192 wrote to memory of 2412	2192	JaffaCakes118_57c95a2c8115f5190662591b71bd5ef04af79412a43b00e3b1b3e964a0dabeb9.exe	34
PID 2192 wrote to memory of 1560	2192	JaffaCakes118_57c95a2c8115f5190662591b71bd5ef04af79412a43b00e3b1b3e964a0dabeb9.exe	36
PID 2192 wrote to memory of 1560	2192	JaffaCakes118_57c95a2c8115f5190662591b71bd5ef04af79412a43b00e3b1b3e964a0dabeb9.exe	36
PID 2192 wrote to memory of 1560	2192	JaffaCakes118_57c95a2c8115f5190662591b71bd5ef04af79412a43b00e3b1b3e964a0dabeb9.exe	36
PID 2192 wrote to memory of 1560	2192	JaffaCakes118_57c95a2c8115f5190662591b71bd5ef04af79412a43b00e3b1b3e964a0dabeb9.exe	36
PID 2192 wrote to memory of 1716	2192	JaffaCakes118_57c95a2c8115f5190662591b71bd5ef04af79412a43b00e3b1b3e964a0dabeb9.exe	38
PID 2192 wrote to memory of 1716	2192	JaffaCakes118_57c95a2c8115f5190662591b71bd5ef04af79412a43b00e3b1b3e964a0dabeb9.exe	38
PID 2192 wrote to memory of 1716	2192	JaffaCakes118_57c95a2c8115f5190662591b71bd5ef04af79412a43b00e3b1b3e964a0dabeb9.exe	38
PID 2192 wrote to memory of 1716	2192	JaffaCakes118_57c95a2c8115f5190662591b71bd5ef04af79412a43b00e3b1b3e964a0dabeb9.exe	38
PID 2192 wrote to memory of 2404	2192	JaffaCakes118_57c95a2c8115f5190662591b71bd5ef04af79412a43b00e3b1b3e964a0dabeb9.exe	41
PID 2192 wrote to memory of 2404	2192	JaffaCakes118_57c95a2c8115f5190662591b71bd5ef04af79412a43b00e3b1b3e964a0dabeb9.exe	41
PID 2192 wrote to memory of 2404	2192	JaffaCakes118_57c95a2c8115f5190662591b71bd5ef04af79412a43b00e3b1b3e964a0dabeb9.exe	41
PID 2192 wrote to memory of 2404	2192	JaffaCakes118_57c95a2c8115f5190662591b71bd5ef04af79412a43b00e3b1b3e964a0dabeb9.exe	41
PID 3012 wrote to memory of 2852	3012	smiozjbh.exe	43
PID 3012 wrote to memory of 2852	3012	smiozjbh.exe	43
PID 3012 wrote to memory of 2852	3012	smiozjbh.exe	43
PID 3012 wrote to memory of 2852	3012	smiozjbh.exe	43
PID 3012 wrote to memory of 2852	3012	smiozjbh.exe	43
PID 3012 wrote to memory of 2852	3012	smiozjbh.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_57c95a2c8115f5190662591b71bd5ef04af79412a43b00e3b1b3e964a0dabeb9.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_57c95a2c8115f5190662591b71bd5ef04af79412a43b00e3b1b3e964a0dabeb9.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2192
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\asacefqy\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2536
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\smiozjbh.exe" C:\Windows\SysWOW64\asacefqy\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3064
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create asacefqy binPath= "C:\Windows\SysWOW64\asacefqy\smiozjbh.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_57c95a2c8115f5190662591b71bd5ef04af79412a43b00e3b1b3e964a0dabeb9.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2412
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description asacefqy "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1560
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start asacefqy
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1716
- 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:2404

C:\Windows\SysWOW64\asacefqy\smiozjbh.exe
C:\Windows\SysWOW64\asacefqy\smiozjbh.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_57c95a2c8115f5190662591b71bd5ef04af79412a43b00e3b1b3e964a0dabeb9.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3012
- 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:2852

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\smiozjbh.exe

Filesize
11.4MB

MD5
5fd42ef259781b5678cd6602441d5a06

SHA1
db361cd218e22e84f6cd5a9bc63be7cd59ef7808

SHA256
7e7d0922e5ca3e59efa0f730de0ed618affd67a7b61d82c93cf11d47d0274233

SHA512
25bb2608daa19eab7fa12338cd2e0f1a3627c63562a22b9229ead4c645e1f9c5cc99684576e02e18f8780d63ac954933018998f5c598a720038ba61f729d4b32

Download Submit
memory/2192-8-0x0000000000400000-0x000000000086F000-memory.dmp

Filesize
4.4MB

Download
memory/2192-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2192-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2192-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2192-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2192-1-0x00000000008E0000-0x00000000009E0000-memory.dmp

Filesize
1024KB

Download
memory/2852-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2852-14-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2852-16-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2852-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2852-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/3012-17-0x0000000000400000-0x000000000086F000-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