tofsee | 76e5de1e9ebafc1cd7480d3b6223e62cfe2e98a7e6a4afcd463af0f2b219c239

General

Target

JaffaCakes118_76e5de1e9ebafc1cd7480d3b6223e62cfe2e98a7e6a4afcd463af0f2b219c239.exe
Size

159KB
MD5

34f90b79823c2119291242a85372614c
SHA1

a0a1e2ca7601fffa34ba6d0c9fe81214c7fd60f3
SHA256

76e5de1e9ebafc1cd7480d3b6223e62cfe2e98a7e6a4afcd463af0f2b219c239
SHA512

1047e34b82be935e77079aae9c761c78c9de56ba1003c4c9e891863dd3cc920bd67df5ab4df65f785b21644a493d260524f2557e9554094401b8cc8c8f786c5d
SSDEEP

3072:f754OjNeZE6gjfPa2CAbQSi2sjnh3NnTNJSLZcY4N5FokL:FNeZE6gLJC+l32Nn1

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

C2

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
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
5024	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\apmdcqeo\ImagePath = "C:\\Windows\\SysWOW64\\apmdcqeo\\halbmjcv.exe"	svchost.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	JaffaCakes118_76e5de1e9ebafc1cd7480d3b6223e62cfe2e98a7e6a4afcd463af0f2b219c239.exe

Deletes itself 1 IoCs

pid	Process
212	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1812	halbmjcv.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1812 set thread context of 212	1812	halbmjcv.exe	98

Launches sc.exe 3 IoCs

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

pid	Process
1072	sc.exe
1028	sc.exe
1708	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

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1228	1812	WerFault.exe	94
776	1788	WerFault.exe	82

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	JaffaCakes118_76e5de1e9ebafc1cd7480d3b6223e62cfe2e98a7e6a4afcd463af0f2b219c239.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	halbmjcv.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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 1788 wrote to memory of 3480	1788	JaffaCakes118_76e5de1e9ebafc1cd7480d3b6223e62cfe2e98a7e6a4afcd463af0f2b219c239.exe	83
PID 1788 wrote to memory of 3480	1788	JaffaCakes118_76e5de1e9ebafc1cd7480d3b6223e62cfe2e98a7e6a4afcd463af0f2b219c239.exe	83
PID 1788 wrote to memory of 3480	1788	JaffaCakes118_76e5de1e9ebafc1cd7480d3b6223e62cfe2e98a7e6a4afcd463af0f2b219c239.exe	83
PID 1788 wrote to memory of 1748	1788	JaffaCakes118_76e5de1e9ebafc1cd7480d3b6223e62cfe2e98a7e6a4afcd463af0f2b219c239.exe	85
PID 1788 wrote to memory of 1748	1788	JaffaCakes118_76e5de1e9ebafc1cd7480d3b6223e62cfe2e98a7e6a4afcd463af0f2b219c239.exe	85
PID 1788 wrote to memory of 1748	1788	JaffaCakes118_76e5de1e9ebafc1cd7480d3b6223e62cfe2e98a7e6a4afcd463af0f2b219c239.exe	85
PID 1788 wrote to memory of 1072	1788	JaffaCakes118_76e5de1e9ebafc1cd7480d3b6223e62cfe2e98a7e6a4afcd463af0f2b219c239.exe	87
PID 1788 wrote to memory of 1072	1788	JaffaCakes118_76e5de1e9ebafc1cd7480d3b6223e62cfe2e98a7e6a4afcd463af0f2b219c239.exe	87
PID 1788 wrote to memory of 1072	1788	JaffaCakes118_76e5de1e9ebafc1cd7480d3b6223e62cfe2e98a7e6a4afcd463af0f2b219c239.exe	87
PID 1788 wrote to memory of 1028	1788	JaffaCakes118_76e5de1e9ebafc1cd7480d3b6223e62cfe2e98a7e6a4afcd463af0f2b219c239.exe	89
PID 1788 wrote to memory of 1028	1788	JaffaCakes118_76e5de1e9ebafc1cd7480d3b6223e62cfe2e98a7e6a4afcd463af0f2b219c239.exe	89
PID 1788 wrote to memory of 1028	1788	JaffaCakes118_76e5de1e9ebafc1cd7480d3b6223e62cfe2e98a7e6a4afcd463af0f2b219c239.exe	89
PID 1788 wrote to memory of 1708	1788	JaffaCakes118_76e5de1e9ebafc1cd7480d3b6223e62cfe2e98a7e6a4afcd463af0f2b219c239.exe	92
PID 1788 wrote to memory of 1708	1788	JaffaCakes118_76e5de1e9ebafc1cd7480d3b6223e62cfe2e98a7e6a4afcd463af0f2b219c239.exe	92
PID 1788 wrote to memory of 1708	1788	JaffaCakes118_76e5de1e9ebafc1cd7480d3b6223e62cfe2e98a7e6a4afcd463af0f2b219c239.exe	92
PID 1788 wrote to memory of 5024	1788	JaffaCakes118_76e5de1e9ebafc1cd7480d3b6223e62cfe2e98a7e6a4afcd463af0f2b219c239.exe	95
PID 1788 wrote to memory of 5024	1788	JaffaCakes118_76e5de1e9ebafc1cd7480d3b6223e62cfe2e98a7e6a4afcd463af0f2b219c239.exe	95
PID 1788 wrote to memory of 5024	1788	JaffaCakes118_76e5de1e9ebafc1cd7480d3b6223e62cfe2e98a7e6a4afcd463af0f2b219c239.exe	95
PID 1812 wrote to memory of 212	1812	halbmjcv.exe	98
PID 1812 wrote to memory of 212	1812	halbmjcv.exe	98
PID 1812 wrote to memory of 212	1812	halbmjcv.exe	98
PID 1812 wrote to memory of 212	1812	halbmjcv.exe	98
PID 1812 wrote to memory of 212	1812	halbmjcv.exe	98

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_76e5de1e9ebafc1cd7480d3b6223e62cfe2e98a7e6a4afcd463af0f2b219c239.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_76e5de1e9ebafc1cd7480d3b6223e62cfe2e98a7e6a4afcd463af0f2b219c239.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1788
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\apmdcqeo\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3480
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\halbmjcv.exe" C:\Windows\SysWOW64\apmdcqeo\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1748
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create apmdcqeo binPath= "C:\Windows\SysWOW64\apmdcqeo\halbmjcv.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_76e5de1e9ebafc1cd7480d3b6223e62cfe2e98a7e6a4afcd463af0f2b219c239.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1072
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description apmdcqeo "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1028
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start apmdcqeo
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1708
- 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:5024
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1788 -s 1040
  2⤵
  - Program crash
  PID:776

C:\Windows\SysWOW64\apmdcqeo\halbmjcv.exe
C:\Windows\SysWOW64\apmdcqeo\halbmjcv.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_76e5de1e9ebafc1cd7480d3b6223e62cfe2e98a7e6a4afcd463af0f2b219c239.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1812
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:212
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1812 -s 548
  2⤵
  - Program crash
  PID:1228

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 1788 -ip 1788
1⤵
PID:2016

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 1812 -ip 1812
1⤵
PID:2892

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

1

T1569

Service Execution

1

T1569.002

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\halbmjcv.exe

Filesize
13.7MB

MD5
8829b24f0b5063b426c61dc58bc23a77

SHA1
349e0a2198dc83af2627e2736699a64c8a08faf3

SHA256
392312e300d27fbeb8842b3ac1b8583cf77bd63124beb2a3df8c97c12f58fa4e

SHA512
17458ae3a9321bb31c9259d068f488bb313d37a09d17bedaa58b69a723dc4de7d3aea09799ed840e394c9b5598d504ddda38a9def01c13a7d55eb860f22e7d31

Download Submit
memory/212-9-0x0000000000ED0000-0x0000000000EE5000-memory.dmp

Filesize
84KB

Download
memory/212-21-0x0000000000ED0000-0x0000000000EE5000-memory.dmp

Filesize
84KB

Download
memory/212-20-0x0000000000ED0000-0x0000000000EE5000-memory.dmp

Filesize
84KB

Download
memory/212-19-0x0000000000ED0000-0x0000000000EE5000-memory.dmp

Filesize
84KB

Download
memory/212-12-0x0000000000ED0000-0x0000000000EE5000-memory.dmp

Filesize
84KB

Download
memory/1788-17-0x0000000002180000-0x0000000002193000-memory.dmp

Filesize
76KB

Download
memory/1788-15-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1788-18-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1788-0-0x0000000002170000-0x000000000217D000-memory.dmp

Filesize
52KB

Download
memory/1788-16-0x0000000002170000-0x000000000217D000-memory.dmp

Filesize
52KB

Download
memory/1788-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1788-1-0x0000000002180000-0x0000000002193000-memory.dmp

Filesize
76KB

Download
memory/1812-7-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1812-6-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1812-14-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1812-8-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads