tofsee | 2bea218f0d953d560a19d8aff8dfb4cd37fefe12e969982fcb031a8ef5725213

Analysis

max time kernel
146s
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, 05:48

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General

Target

JaffaCakes118_2bea218f0d953d560a19d8aff8dfb4cd37fefe12e969982fcb031a8ef5725213.exe
Size

305KB
MD5

780293db2a4e08f93a62476e02d21f27
SHA1

34263f7759ed4ee598240896339cbe4cac84624a
SHA256

2bea218f0d953d560a19d8aff8dfb4cd37fefe12e969982fcb031a8ef5725213
SHA512

ffa7f48a2dc62beb86f2bbd0e37c60a41d8dadf4222a2593bb9bb6171c5326be5008bf96d00d65cdaeeae2923d9a4c93bbc781ddfeaefe1992b1f41a94a1b65e
SSDEEP

3072:VXYXu1MVDsY2mtCnIDqMKHf5pex3ElMFvlq17hZynkHIOE4Ru5TJftDunEvhtWGE:VX9MqYtcIA/5paGMFvlq7wRRtWhZl/7

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\hzgjfnib = "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
2428	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\hzgjfnib\ImagePath = "C:\\Windows\\SysWOW64\\hzgjfnib\\wlyugfyk.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2628	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2196	wlyugfyk.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2196 set thread context of 2628	2196	wlyugfyk.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
1240	sc.exe
1208	sc.exe
2200	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	netsh.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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wlyugfyk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_2bea218f0d953d560a19d8aff8dfb4cd37fefe12e969982fcb031a8ef5725213.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2440 wrote to memory of 2108	2440	JaffaCakes118_2bea218f0d953d560a19d8aff8dfb4cd37fefe12e969982fcb031a8ef5725213.exe	28
PID 2440 wrote to memory of 2108	2440	JaffaCakes118_2bea218f0d953d560a19d8aff8dfb4cd37fefe12e969982fcb031a8ef5725213.exe	28
PID 2440 wrote to memory of 2108	2440	JaffaCakes118_2bea218f0d953d560a19d8aff8dfb4cd37fefe12e969982fcb031a8ef5725213.exe	28
PID 2440 wrote to memory of 2108	2440	JaffaCakes118_2bea218f0d953d560a19d8aff8dfb4cd37fefe12e969982fcb031a8ef5725213.exe	28
PID 2440 wrote to memory of 268	2440	JaffaCakes118_2bea218f0d953d560a19d8aff8dfb4cd37fefe12e969982fcb031a8ef5725213.exe	30
PID 2440 wrote to memory of 268	2440	JaffaCakes118_2bea218f0d953d560a19d8aff8dfb4cd37fefe12e969982fcb031a8ef5725213.exe	30
PID 2440 wrote to memory of 268	2440	JaffaCakes118_2bea218f0d953d560a19d8aff8dfb4cd37fefe12e969982fcb031a8ef5725213.exe	30
PID 2440 wrote to memory of 268	2440	JaffaCakes118_2bea218f0d953d560a19d8aff8dfb4cd37fefe12e969982fcb031a8ef5725213.exe	30
PID 2440 wrote to memory of 1240	2440	JaffaCakes118_2bea218f0d953d560a19d8aff8dfb4cd37fefe12e969982fcb031a8ef5725213.exe	32
PID 2440 wrote to memory of 1240	2440	JaffaCakes118_2bea218f0d953d560a19d8aff8dfb4cd37fefe12e969982fcb031a8ef5725213.exe	32
PID 2440 wrote to memory of 1240	2440	JaffaCakes118_2bea218f0d953d560a19d8aff8dfb4cd37fefe12e969982fcb031a8ef5725213.exe	32
PID 2440 wrote to memory of 1240	2440	JaffaCakes118_2bea218f0d953d560a19d8aff8dfb4cd37fefe12e969982fcb031a8ef5725213.exe	32
PID 2440 wrote to memory of 1208	2440	JaffaCakes118_2bea218f0d953d560a19d8aff8dfb4cd37fefe12e969982fcb031a8ef5725213.exe	34
PID 2440 wrote to memory of 1208	2440	JaffaCakes118_2bea218f0d953d560a19d8aff8dfb4cd37fefe12e969982fcb031a8ef5725213.exe	34
PID 2440 wrote to memory of 1208	2440	JaffaCakes118_2bea218f0d953d560a19d8aff8dfb4cd37fefe12e969982fcb031a8ef5725213.exe	34
PID 2440 wrote to memory of 1208	2440	JaffaCakes118_2bea218f0d953d560a19d8aff8dfb4cd37fefe12e969982fcb031a8ef5725213.exe	34
PID 2440 wrote to memory of 2200	2440	JaffaCakes118_2bea218f0d953d560a19d8aff8dfb4cd37fefe12e969982fcb031a8ef5725213.exe	36
PID 2440 wrote to memory of 2200	2440	JaffaCakes118_2bea218f0d953d560a19d8aff8dfb4cd37fefe12e969982fcb031a8ef5725213.exe	36
PID 2440 wrote to memory of 2200	2440	JaffaCakes118_2bea218f0d953d560a19d8aff8dfb4cd37fefe12e969982fcb031a8ef5725213.exe	36
PID 2440 wrote to memory of 2200	2440	JaffaCakes118_2bea218f0d953d560a19d8aff8dfb4cd37fefe12e969982fcb031a8ef5725213.exe	36
PID 2440 wrote to memory of 2428	2440	JaffaCakes118_2bea218f0d953d560a19d8aff8dfb4cd37fefe12e969982fcb031a8ef5725213.exe	39
PID 2440 wrote to memory of 2428	2440	JaffaCakes118_2bea218f0d953d560a19d8aff8dfb4cd37fefe12e969982fcb031a8ef5725213.exe	39
PID 2440 wrote to memory of 2428	2440	JaffaCakes118_2bea218f0d953d560a19d8aff8dfb4cd37fefe12e969982fcb031a8ef5725213.exe	39
PID 2440 wrote to memory of 2428	2440	JaffaCakes118_2bea218f0d953d560a19d8aff8dfb4cd37fefe12e969982fcb031a8ef5725213.exe	39
PID 2196 wrote to memory of 2628	2196	wlyugfyk.exe	41
PID 2196 wrote to memory of 2628	2196	wlyugfyk.exe	41
PID 2196 wrote to memory of 2628	2196	wlyugfyk.exe	41
PID 2196 wrote to memory of 2628	2196	wlyugfyk.exe	41
PID 2196 wrote to memory of 2628	2196	wlyugfyk.exe	41
PID 2196 wrote to memory of 2628	2196	wlyugfyk.exe	41

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2bea218f0d953d560a19d8aff8dfb4cd37fefe12e969982fcb031a8ef5725213.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2bea218f0d953d560a19d8aff8dfb4cd37fefe12e969982fcb031a8ef5725213.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2440
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\hzgjfnib\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2108
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\wlyugfyk.exe" C:\Windows\SysWOW64\hzgjfnib\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:268
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create hzgjfnib binPath= "C:\Windows\SysWOW64\hzgjfnib\wlyugfyk.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2bea218f0d953d560a19d8aff8dfb4cd37fefe12e969982fcb031a8ef5725213.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1240
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description hzgjfnib "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1208
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start hzgjfnib
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2200
- 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:2428

C:\Windows\SysWOW64\hzgjfnib\wlyugfyk.exe
C:\Windows\SysWOW64\hzgjfnib\wlyugfyk.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2bea218f0d953d560a19d8aff8dfb4cd37fefe12e969982fcb031a8ef5725213.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2196
- 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:2628

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\wlyugfyk.exe

Filesize
12.0MB

MD5
005e2ed094a2e5de64756eb04a20c4c0

SHA1
95cf4891c470d78ed6dfc65ce36105a1058bbc6c

SHA256
df6a08ab2a9034ca14a34c9ef3cad981425d60499b3e4ad153d6b9d18faeb082

SHA512
7da72ebd732aa8236ebcf28167c2c429f4624aa30bff6626b5d87b9468734f9eabc091f31a734eb325445b7acc0c2a3f2234da7b7f3af48e501b2987588f8c07

Download Submit
memory/2196-17-0x0000000000400000-0x0000000002B94000-memory.dmp

Filesize
39.6MB

Download
memory/2440-8-0x0000000000400000-0x0000000002B94000-memory.dmp

Filesize
39.6MB

Download
memory/2440-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2440-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2440-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2440-1-0x0000000002C50000-0x0000000002D50000-memory.dmp

Filesize
1024KB

Download
memory/2440-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2628-16-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2628-14-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2628-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2628-11-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2628-18-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads