tofsee | ee5aa1555ccc472a4d5e8e6f34d9b527cd87db85f7c6c2f37148cf3ea422870a

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
29-12-2024 04:49

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General

Target

JaffaCakes118_ee5aa1555ccc472a4d5e8e6f34d9b527cd87db85f7c6c2f37148cf3ea422870a.exe
Size

291KB
MD5

75e6c2aff85d117e67665bbdb65135c2
SHA1

18a7e734c143851fe75be433ed801e0f723a069e
SHA256

ee5aa1555ccc472a4d5e8e6f34d9b527cd87db85f7c6c2f37148cf3ea422870a
SHA512

5c4966f063af976a7c844b1c161bca833737d2ef8bf5608e899ef774652f92e922097dda0a5713e37b8be37cf6b0ca238117c99b8e37fecab1bd6f2a91472ab4
SSDEEP

3072:f3fyrBNQ0SXhndx/y8rpdb0Pecqb04kFr+D7VYg0lg/y+3+N1LnBmFMRzGNtn7ff:vqQPFhxcqb044r65YZS7+vBs0w1CeoG

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\onhrwmpg = "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
1916	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\onhrwmpg\ImagePath = "C:\\Windows\\SysWOW64\\onhrwmpg\\rwgwkp.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
536	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2852	rwgwkp.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2852 set thread context of 536	2852	rwgwkp.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2312	sc.exe
2560	sc.exe
2980	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	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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_ee5aa1555ccc472a4d5e8e6f34d9b527cd87db85f7c6c2f37148cf3ea422870a.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	rwgwkp.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1996 wrote to memory of 2528	1996	JaffaCakes118_ee5aa1555ccc472a4d5e8e6f34d9b527cd87db85f7c6c2f37148cf3ea422870a.exe	30
PID 1996 wrote to memory of 2528	1996	JaffaCakes118_ee5aa1555ccc472a4d5e8e6f34d9b527cd87db85f7c6c2f37148cf3ea422870a.exe	30
PID 1996 wrote to memory of 2528	1996	JaffaCakes118_ee5aa1555ccc472a4d5e8e6f34d9b527cd87db85f7c6c2f37148cf3ea422870a.exe	30
PID 1996 wrote to memory of 2528	1996	JaffaCakes118_ee5aa1555ccc472a4d5e8e6f34d9b527cd87db85f7c6c2f37148cf3ea422870a.exe	30
PID 1996 wrote to memory of 2496	1996	JaffaCakes118_ee5aa1555ccc472a4d5e8e6f34d9b527cd87db85f7c6c2f37148cf3ea422870a.exe	32
PID 1996 wrote to memory of 2496	1996	JaffaCakes118_ee5aa1555ccc472a4d5e8e6f34d9b527cd87db85f7c6c2f37148cf3ea422870a.exe	32
PID 1996 wrote to memory of 2496	1996	JaffaCakes118_ee5aa1555ccc472a4d5e8e6f34d9b527cd87db85f7c6c2f37148cf3ea422870a.exe	32
PID 1996 wrote to memory of 2496	1996	JaffaCakes118_ee5aa1555ccc472a4d5e8e6f34d9b527cd87db85f7c6c2f37148cf3ea422870a.exe	32
PID 1996 wrote to memory of 2312	1996	JaffaCakes118_ee5aa1555ccc472a4d5e8e6f34d9b527cd87db85f7c6c2f37148cf3ea422870a.exe	34
PID 1996 wrote to memory of 2312	1996	JaffaCakes118_ee5aa1555ccc472a4d5e8e6f34d9b527cd87db85f7c6c2f37148cf3ea422870a.exe	34
PID 1996 wrote to memory of 2312	1996	JaffaCakes118_ee5aa1555ccc472a4d5e8e6f34d9b527cd87db85f7c6c2f37148cf3ea422870a.exe	34
PID 1996 wrote to memory of 2312	1996	JaffaCakes118_ee5aa1555ccc472a4d5e8e6f34d9b527cd87db85f7c6c2f37148cf3ea422870a.exe	34
PID 1996 wrote to memory of 2560	1996	JaffaCakes118_ee5aa1555ccc472a4d5e8e6f34d9b527cd87db85f7c6c2f37148cf3ea422870a.exe	36
PID 1996 wrote to memory of 2560	1996	JaffaCakes118_ee5aa1555ccc472a4d5e8e6f34d9b527cd87db85f7c6c2f37148cf3ea422870a.exe	36
PID 1996 wrote to memory of 2560	1996	JaffaCakes118_ee5aa1555ccc472a4d5e8e6f34d9b527cd87db85f7c6c2f37148cf3ea422870a.exe	36
PID 1996 wrote to memory of 2560	1996	JaffaCakes118_ee5aa1555ccc472a4d5e8e6f34d9b527cd87db85f7c6c2f37148cf3ea422870a.exe	36
PID 1996 wrote to memory of 2980	1996	JaffaCakes118_ee5aa1555ccc472a4d5e8e6f34d9b527cd87db85f7c6c2f37148cf3ea422870a.exe	38
PID 1996 wrote to memory of 2980	1996	JaffaCakes118_ee5aa1555ccc472a4d5e8e6f34d9b527cd87db85f7c6c2f37148cf3ea422870a.exe	38
PID 1996 wrote to memory of 2980	1996	JaffaCakes118_ee5aa1555ccc472a4d5e8e6f34d9b527cd87db85f7c6c2f37148cf3ea422870a.exe	38
PID 1996 wrote to memory of 2980	1996	JaffaCakes118_ee5aa1555ccc472a4d5e8e6f34d9b527cd87db85f7c6c2f37148cf3ea422870a.exe	38
PID 1996 wrote to memory of 1916	1996	JaffaCakes118_ee5aa1555ccc472a4d5e8e6f34d9b527cd87db85f7c6c2f37148cf3ea422870a.exe	41
PID 1996 wrote to memory of 1916	1996	JaffaCakes118_ee5aa1555ccc472a4d5e8e6f34d9b527cd87db85f7c6c2f37148cf3ea422870a.exe	41
PID 1996 wrote to memory of 1916	1996	JaffaCakes118_ee5aa1555ccc472a4d5e8e6f34d9b527cd87db85f7c6c2f37148cf3ea422870a.exe	41
PID 1996 wrote to memory of 1916	1996	JaffaCakes118_ee5aa1555ccc472a4d5e8e6f34d9b527cd87db85f7c6c2f37148cf3ea422870a.exe	41
PID 2852 wrote to memory of 536	2852	rwgwkp.exe	43
PID 2852 wrote to memory of 536	2852	rwgwkp.exe	43
PID 2852 wrote to memory of 536	2852	rwgwkp.exe	43
PID 2852 wrote to memory of 536	2852	rwgwkp.exe	43
PID 2852 wrote to memory of 536	2852	rwgwkp.exe	43
PID 2852 wrote to memory of 536	2852	rwgwkp.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ee5aa1555ccc472a4d5e8e6f34d9b527cd87db85f7c6c2f37148cf3ea422870a.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ee5aa1555ccc472a4d5e8e6f34d9b527cd87db85f7c6c2f37148cf3ea422870a.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1996
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\onhrwmpg\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2528
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\rwgwkp.exe" C:\Windows\SysWOW64\onhrwmpg\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2496
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create onhrwmpg binPath= "C:\Windows\SysWOW64\onhrwmpg\rwgwkp.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ee5aa1555ccc472a4d5e8e6f34d9b527cd87db85f7c6c2f37148cf3ea422870a.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2312
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description onhrwmpg "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2560
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start onhrwmpg
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2980
- 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:1916

C:\Windows\SysWOW64\onhrwmpg\rwgwkp.exe
C:\Windows\SysWOW64\onhrwmpg\rwgwkp.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ee5aa1555ccc472a4d5e8e6f34d9b527cd87db85f7c6c2f37148cf3ea422870a.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2852
- 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:536

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\rwgwkp.exe

Filesize
13.2MB

MD5
d951f8602fbfad6b596fa61a308d19bd

SHA1
9f8d75f707e3e4331aacf72c3b4bde656e063910

SHA256
0c273bd21707b8455aed7a7747a66d5d19855ef00682725815e0204362dcca2d

SHA512
3c4119913235a65ab775ab227640fc18af48fedebcb810b7028abc27bffc415a1f0a0af8a117559b8d66ca70bf2436bf68f4722ff347d655099b34957a6f1349

Download Submit
memory/536-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/536-11-0x0000000000100000-0x0000000000115000-memory.dmp

Filesize
84KB

Download
memory/536-14-0x0000000000100000-0x0000000000115000-memory.dmp

Filesize
84KB

Download
memory/536-16-0x0000000000100000-0x0000000000115000-memory.dmp

Filesize
84KB

Download
memory/536-18-0x0000000000100000-0x0000000000115000-memory.dmp

Filesize
84KB

Download
memory/1996-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1996-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/1996-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1996-8-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/1996-7-0x0000000000400000-0x00000000008ED000-memory.dmp

Filesize
4.9MB

Download
memory/1996-1-0x00000000009E0000-0x0000000000AE0000-memory.dmp

Filesize
1024KB

Download
memory/2852-17-0x0000000000400000-0x00000000008ED000-memory.dmp

Filesize
4.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads