tofsee | fe7eb1248703a1dad025d2a6095acc77e8b3731cf282ac652a0b6d490ea0832f

General

Target

fc9d27ffa867f7f49dee1251dae0344e_JaffaCakes118.exe
Size

14.6MB
MD5

fc9d27ffa867f7f49dee1251dae0344e
SHA1

442c6b101cc68df05cafe8503d4b24647dfe980f
SHA256

fe7eb1248703a1dad025d2a6095acc77e8b3731cf282ac652a0b6d490ea0832f
SHA512

d1fe29b5fe0d2ffa19ecd9641086954df472bd7876ecdf14cbf84f0b3f8365985adddcdc927fa81ce160d7de67ac3216d05b8b8542cfa52b4978073342e9fcd1
SSDEEP

49152:wjrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrX:S

Score

10^/10

tofsee evasion persistence trojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Signatures

Tofsee
Backdoor/botnet which carries out malicious activities based on commands from a C2 server.
trojan tofsee

Windows security bypass 2 TTPs 1 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\ftcwiqae = "0"	svchost.exe

Creates new service(s) 1 TTPs
persistence

Windows Service
T1543.003
Modifies Windows Firewall 2 TTPs 1 IoCs
evasion

Windows Service
T1543.003

Disable or Modify System Firewall
T1562.004

Processes:

netsh.exe

pid process

2116 netsh.exe

pid	process
2116	netsh.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\ftcwiqae\ImagePath = "C:\\Windows\\SysWOW64\\ftcwiqae\\bivvyjbw.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2872 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

bivvyjbw.exe

pid process

2876 bivvyjbw.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

bivvyjbw.exe

description pid process target process

PID 2876 set thread context of 2872 2876 bivvyjbw.exe svchost.exe
Launches sc.exe 3 IoCs
Sc.exe is a Windows utlilty to control services on the system.

Processes:

sc.exesc.exesc.exe

pid process

2636 sc.exe
2720 sc.exe
2160 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2872	svchost.exe

pid	process
2876	bivvyjbw.exe

description	pid	process	target process
PID 2876 set thread context of 2872	2876	bivvyjbw.exe	svchost.exe

pid	process
2636	sc.exe
2720	sc.exe
2160	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

fc9d27ffa867f7f49dee1251dae0344e_JaffaCakes118.exebivvyjbw.exe

description	pid	process	target process
PID 2216 wrote to memory of 3016	2216	fc9d27ffa867f7f49dee1251dae0344e_JaffaCakes118.exe	cmd.exe
PID 2216 wrote to memory of 3016	2216	fc9d27ffa867f7f49dee1251dae0344e_JaffaCakes118.exe	cmd.exe
PID 2216 wrote to memory of 3016	2216	fc9d27ffa867f7f49dee1251dae0344e_JaffaCakes118.exe	cmd.exe
PID 2216 wrote to memory of 3016	2216	fc9d27ffa867f7f49dee1251dae0344e_JaffaCakes118.exe	cmd.exe
PID 2216 wrote to memory of 3032	2216	fc9d27ffa867f7f49dee1251dae0344e_JaffaCakes118.exe	cmd.exe
PID 2216 wrote to memory of 3032	2216	fc9d27ffa867f7f49dee1251dae0344e_JaffaCakes118.exe	cmd.exe
PID 2216 wrote to memory of 3032	2216	fc9d27ffa867f7f49dee1251dae0344e_JaffaCakes118.exe	cmd.exe
PID 2216 wrote to memory of 3032	2216	fc9d27ffa867f7f49dee1251dae0344e_JaffaCakes118.exe	cmd.exe
PID 2216 wrote to memory of 2160	2216	fc9d27ffa867f7f49dee1251dae0344e_JaffaCakes118.exe	sc.exe
PID 2216 wrote to memory of 2160	2216	fc9d27ffa867f7f49dee1251dae0344e_JaffaCakes118.exe	sc.exe
PID 2216 wrote to memory of 2160	2216	fc9d27ffa867f7f49dee1251dae0344e_JaffaCakes118.exe	sc.exe
PID 2216 wrote to memory of 2160	2216	fc9d27ffa867f7f49dee1251dae0344e_JaffaCakes118.exe	sc.exe
PID 2216 wrote to memory of 2636	2216	fc9d27ffa867f7f49dee1251dae0344e_JaffaCakes118.exe	sc.exe
PID 2216 wrote to memory of 2636	2216	fc9d27ffa867f7f49dee1251dae0344e_JaffaCakes118.exe	sc.exe
PID 2216 wrote to memory of 2636	2216	fc9d27ffa867f7f49dee1251dae0344e_JaffaCakes118.exe	sc.exe
PID 2216 wrote to memory of 2636	2216	fc9d27ffa867f7f49dee1251dae0344e_JaffaCakes118.exe	sc.exe
PID 2216 wrote to memory of 2720	2216	fc9d27ffa867f7f49dee1251dae0344e_JaffaCakes118.exe	sc.exe
PID 2216 wrote to memory of 2720	2216	fc9d27ffa867f7f49dee1251dae0344e_JaffaCakes118.exe	sc.exe
PID 2216 wrote to memory of 2720	2216	fc9d27ffa867f7f49dee1251dae0344e_JaffaCakes118.exe	sc.exe
PID 2216 wrote to memory of 2720	2216	fc9d27ffa867f7f49dee1251dae0344e_JaffaCakes118.exe	sc.exe
PID 2876 wrote to memory of 2872	2876	bivvyjbw.exe	svchost.exe
PID 2876 wrote to memory of 2872	2876	bivvyjbw.exe	svchost.exe
PID 2876 wrote to memory of 2872	2876	bivvyjbw.exe	svchost.exe
PID 2876 wrote to memory of 2872	2876	bivvyjbw.exe	svchost.exe
PID 2876 wrote to memory of 2872	2876	bivvyjbw.exe	svchost.exe
PID 2876 wrote to memory of 2872	2876	bivvyjbw.exe	svchost.exe
PID 2216 wrote to memory of 2116	2216	fc9d27ffa867f7f49dee1251dae0344e_JaffaCakes118.exe	netsh.exe
PID 2216 wrote to memory of 2116	2216	fc9d27ffa867f7f49dee1251dae0344e_JaffaCakes118.exe	netsh.exe
PID 2216 wrote to memory of 2116	2216	fc9d27ffa867f7f49dee1251dae0344e_JaffaCakes118.exe	netsh.exe
PID 2216 wrote to memory of 2116	2216	fc9d27ffa867f7f49dee1251dae0344e_JaffaCakes118.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\fc9d27ffa867f7f49dee1251dae0344e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fc9d27ffa867f7f49dee1251dae0344e_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2216

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ftcwiqae\
2⤵
PID:3016

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\bivvyjbw.exe" C:\Windows\SysWOW64\ftcwiqae\
2⤵
PID:3032

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create ftcwiqae binPath= "C:\Windows\SysWOW64\ftcwiqae\bivvyjbw.exe /d\"C:\Users\Admin\AppData\Local\Temp\fc9d27ffa867f7f49dee1251dae0344e_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:2160

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description ftcwiqae "wifi internet conection"
2⤵
- Launches sc.exe
PID:2636

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start ftcwiqae
2⤵
- Launches sc.exe
PID:2720

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
PID:2116

C:\Windows\SysWOW64\ftcwiqae\bivvyjbw.exe
C:\Windows\SysWOW64\ftcwiqae\bivvyjbw.exe /d"C:\Users\Admin\AppData\Local\Temp\fc9d27ffa867f7f49dee1251dae0344e_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2876

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
PID:2872

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Impair Defenses

2

T1562

Disable or Modify Tools

1

T1562.001

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\bivvyjbw.exe
Filesize
13.0MB

MD5
b0bb40064f710a644022f62fe1789c2c

SHA1
bf0abca0abf4b34a98ab4d649db83bb1b528471d

SHA256
82cc46350ec95f428a9456a9ded7bf8f30c7dd078bee93b6cb2f8166869814d9

SHA512
bf6c239a7fee5c9d6fbfcf1a600ce223edb6451b2d19fa46fdf8bed12af1d6be84570d3b29d3202cabd80061df672ccde04809b11f63b2df3237c8aad6484a76

Download Submit
memory/2216-18-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2216-1-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2216-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2216-2-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2216-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2872-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2872-10-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2872-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2872-13-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2872-19-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2872-20-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2872-21-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2876-9-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2876-14-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2876-7-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads