tofsee | a5dc3e74e99e0d02922f059bdce456099a7a357cd04d97618ee07dd5832f9050

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
22-12-2024 07:23

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General

Target

JaffaCakes118_a5dc3e74e99e0d02922f059bdce456099a7a357cd04d97618ee07dd5832f9050.exe
Size

285KB
MD5

9ef28e78bca5e055f127cc9f27b757ae
SHA1

ba887227e4c8a7330c9d822377476c78524f7e4c
SHA256

a5dc3e74e99e0d02922f059bdce456099a7a357cd04d97618ee07dd5832f9050
SHA512

ae05655182aca76c16bfb24695e61ca17470f3ab37dc7038a128fdd8db127e1a7973845dc62ed8f1283c63282d2faaab6016a0caa0d075498085fe9ec6a73d20
SSDEEP

6144:LKFbjkk2kvN11uzbgwu6L7ITsqSigaTwVf:gbjRHunnn7s

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\ohyaiwgm = "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
3000	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\ohyaiwgm\ImagePath = "C:\\Windows\\SysWOW64\\ohyaiwgm\\kpzpdi.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2968	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2940	kpzpdi.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2940 set thread context of 2968	2940	kpzpdi.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2416	sc.exe
2128	sc.exe
2816	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	kpzpdi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_a5dc3e74e99e0d02922f059bdce456099a7a357cd04d97618ee07dd5832f9050.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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1504 wrote to memory of 2164	1504	JaffaCakes118_a5dc3e74e99e0d02922f059bdce456099a7a357cd04d97618ee07dd5832f9050.exe	30
PID 1504 wrote to memory of 2164	1504	JaffaCakes118_a5dc3e74e99e0d02922f059bdce456099a7a357cd04d97618ee07dd5832f9050.exe	30
PID 1504 wrote to memory of 2164	1504	JaffaCakes118_a5dc3e74e99e0d02922f059bdce456099a7a357cd04d97618ee07dd5832f9050.exe	30
PID 1504 wrote to memory of 2164	1504	JaffaCakes118_a5dc3e74e99e0d02922f059bdce456099a7a357cd04d97618ee07dd5832f9050.exe	30
PID 1504 wrote to memory of 2028	1504	JaffaCakes118_a5dc3e74e99e0d02922f059bdce456099a7a357cd04d97618ee07dd5832f9050.exe	32
PID 1504 wrote to memory of 2028	1504	JaffaCakes118_a5dc3e74e99e0d02922f059bdce456099a7a357cd04d97618ee07dd5832f9050.exe	32
PID 1504 wrote to memory of 2028	1504	JaffaCakes118_a5dc3e74e99e0d02922f059bdce456099a7a357cd04d97618ee07dd5832f9050.exe	32
PID 1504 wrote to memory of 2028	1504	JaffaCakes118_a5dc3e74e99e0d02922f059bdce456099a7a357cd04d97618ee07dd5832f9050.exe	32
PID 1504 wrote to memory of 2416	1504	JaffaCakes118_a5dc3e74e99e0d02922f059bdce456099a7a357cd04d97618ee07dd5832f9050.exe	34
PID 1504 wrote to memory of 2416	1504	JaffaCakes118_a5dc3e74e99e0d02922f059bdce456099a7a357cd04d97618ee07dd5832f9050.exe	34
PID 1504 wrote to memory of 2416	1504	JaffaCakes118_a5dc3e74e99e0d02922f059bdce456099a7a357cd04d97618ee07dd5832f9050.exe	34
PID 1504 wrote to memory of 2416	1504	JaffaCakes118_a5dc3e74e99e0d02922f059bdce456099a7a357cd04d97618ee07dd5832f9050.exe	34
PID 1504 wrote to memory of 2128	1504	JaffaCakes118_a5dc3e74e99e0d02922f059bdce456099a7a357cd04d97618ee07dd5832f9050.exe	36
PID 1504 wrote to memory of 2128	1504	JaffaCakes118_a5dc3e74e99e0d02922f059bdce456099a7a357cd04d97618ee07dd5832f9050.exe	36
PID 1504 wrote to memory of 2128	1504	JaffaCakes118_a5dc3e74e99e0d02922f059bdce456099a7a357cd04d97618ee07dd5832f9050.exe	36
PID 1504 wrote to memory of 2128	1504	JaffaCakes118_a5dc3e74e99e0d02922f059bdce456099a7a357cd04d97618ee07dd5832f9050.exe	36
PID 1504 wrote to memory of 2816	1504	JaffaCakes118_a5dc3e74e99e0d02922f059bdce456099a7a357cd04d97618ee07dd5832f9050.exe	38
PID 1504 wrote to memory of 2816	1504	JaffaCakes118_a5dc3e74e99e0d02922f059bdce456099a7a357cd04d97618ee07dd5832f9050.exe	38
PID 1504 wrote to memory of 2816	1504	JaffaCakes118_a5dc3e74e99e0d02922f059bdce456099a7a357cd04d97618ee07dd5832f9050.exe	38
PID 1504 wrote to memory of 2816	1504	JaffaCakes118_a5dc3e74e99e0d02922f059bdce456099a7a357cd04d97618ee07dd5832f9050.exe	38
PID 1504 wrote to memory of 3000	1504	JaffaCakes118_a5dc3e74e99e0d02922f059bdce456099a7a357cd04d97618ee07dd5832f9050.exe	41
PID 1504 wrote to memory of 3000	1504	JaffaCakes118_a5dc3e74e99e0d02922f059bdce456099a7a357cd04d97618ee07dd5832f9050.exe	41
PID 1504 wrote to memory of 3000	1504	JaffaCakes118_a5dc3e74e99e0d02922f059bdce456099a7a357cd04d97618ee07dd5832f9050.exe	41
PID 1504 wrote to memory of 3000	1504	JaffaCakes118_a5dc3e74e99e0d02922f059bdce456099a7a357cd04d97618ee07dd5832f9050.exe	41
PID 2940 wrote to memory of 2968	2940	kpzpdi.exe	43
PID 2940 wrote to memory of 2968	2940	kpzpdi.exe	43
PID 2940 wrote to memory of 2968	2940	kpzpdi.exe	43
PID 2940 wrote to memory of 2968	2940	kpzpdi.exe	43
PID 2940 wrote to memory of 2968	2940	kpzpdi.exe	43
PID 2940 wrote to memory of 2968	2940	kpzpdi.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a5dc3e74e99e0d02922f059bdce456099a7a357cd04d97618ee07dd5832f9050.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a5dc3e74e99e0d02922f059bdce456099a7a357cd04d97618ee07dd5832f9050.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1504
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ohyaiwgm\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2164
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\kpzpdi.exe" C:\Windows\SysWOW64\ohyaiwgm\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2028
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create ohyaiwgm binPath= "C:\Windows\SysWOW64\ohyaiwgm\kpzpdi.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a5dc3e74e99e0d02922f059bdce456099a7a357cd04d97618ee07dd5832f9050.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2416
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description ohyaiwgm "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2128
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start ohyaiwgm
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2816
- 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:3000

C:\Windows\SysWOW64\ohyaiwgm\kpzpdi.exe
C:\Windows\SysWOW64\ohyaiwgm\kpzpdi.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a5dc3e74e99e0d02922f059bdce456099a7a357cd04d97618ee07dd5832f9050.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2940
- 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:2968

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\kpzpdi.exe

Filesize
11.1MB

MD5
f0b937f9c464309ab82eed32d63f80f0

SHA1
06a3769afeadd14a329a24ce91a82e7300c99c30

SHA256
a8bac084b2fc7d42a724a13bf6478f402e902e06cd0b3c7e4a4c6927c5cdc294

SHA512
06bdba9bf8d03d4fe8bc9791a6b0f2d480ca3cbf3c4d4fd8e0af0cce6f6413a57d1c1c42309afb6834e6432e995b0bf4bf93a09b6f2a1f24c790c65df456c458

Download Submit
memory/1504-8-0x00000000002B0000-0x00000000002C3000-memory.dmp

Filesize
76KB

Download
memory/1504-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1504-1-0x00000000002B0000-0x00000000002C3000-memory.dmp

Filesize
76KB

Download
memory/1504-6-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1504-7-0x00000000002A0000-0x00000000002AD000-memory.dmp

Filesize
52KB

Download
memory/1504-0-0x00000000002A0000-0x00000000002AD000-memory.dmp

Filesize
52KB

Download
memory/1504-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2940-16-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2968-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2968-13-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2968-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2968-10-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2968-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads