tofsee | be638ce3f50bd9363616977cf69fec3c86338df920078832a63f055f37a3f219

General

Target

fb73068efdfde57d29a3df074187c6ea_JaffaCakes118.exe
Size

12.5MB
MD5

fb73068efdfde57d29a3df074187c6ea
SHA1

8d9a6e40cde061adf51f90cedc6507e33234a637
SHA256

be638ce3f50bd9363616977cf69fec3c86338df920078832a63f055f37a3f219
SHA512

96889edca6938c5d8c61c042402d232f5dff0112bb735799d18bbe8fb9e6a6ffd58b9a0e681074a66fa4119c1346e2669396d649fc662f0be76c83a1097bd457
SSDEEP

12288:UZnHC6Hf1kkNWoRjta3JZlPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP/:UdHCRiG

Score

10^/10

tofsee evasion persistence trojan

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

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\lmjdifjb = "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

2652 netsh.exe

pid	process
2652	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\lmjdifjb\ImagePath = "C:\\Windows\\SysWOW64\\lmjdifjb\\keagrbtz.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2968 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

keagrbtz.exe

pid process

2632 keagrbtz.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

keagrbtz.exe

description pid process target process

PID 2632 set thread context of 2968 2632 keagrbtz.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

1696 sc.exe
2720 sc.exe
2572 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2968	svchost.exe

pid	process
2632	keagrbtz.exe

description	pid	process	target process
PID 2632 set thread context of 2968	2632	keagrbtz.exe	svchost.exe

pid	process
1696	sc.exe
2720	sc.exe
2572	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

fb73068efdfde57d29a3df074187c6ea_JaffaCakes118.exekeagrbtz.exe

description	pid	process	target process
PID 1972 wrote to memory of 1728	1972	fb73068efdfde57d29a3df074187c6ea_JaffaCakes118.exe	cmd.exe
PID 1972 wrote to memory of 1728	1972	fb73068efdfde57d29a3df074187c6ea_JaffaCakes118.exe	cmd.exe
PID 1972 wrote to memory of 1728	1972	fb73068efdfde57d29a3df074187c6ea_JaffaCakes118.exe	cmd.exe
PID 1972 wrote to memory of 1728	1972	fb73068efdfde57d29a3df074187c6ea_JaffaCakes118.exe	cmd.exe
PID 1972 wrote to memory of 2328	1972	fb73068efdfde57d29a3df074187c6ea_JaffaCakes118.exe	cmd.exe
PID 1972 wrote to memory of 2328	1972	fb73068efdfde57d29a3df074187c6ea_JaffaCakes118.exe	cmd.exe
PID 1972 wrote to memory of 2328	1972	fb73068efdfde57d29a3df074187c6ea_JaffaCakes118.exe	cmd.exe
PID 1972 wrote to memory of 2328	1972	fb73068efdfde57d29a3df074187c6ea_JaffaCakes118.exe	cmd.exe
PID 1972 wrote to memory of 1696	1972	fb73068efdfde57d29a3df074187c6ea_JaffaCakes118.exe	sc.exe
PID 1972 wrote to memory of 1696	1972	fb73068efdfde57d29a3df074187c6ea_JaffaCakes118.exe	sc.exe
PID 1972 wrote to memory of 1696	1972	fb73068efdfde57d29a3df074187c6ea_JaffaCakes118.exe	sc.exe
PID 1972 wrote to memory of 1696	1972	fb73068efdfde57d29a3df074187c6ea_JaffaCakes118.exe	sc.exe
PID 1972 wrote to memory of 2720	1972	fb73068efdfde57d29a3df074187c6ea_JaffaCakes118.exe	sc.exe
PID 1972 wrote to memory of 2720	1972	fb73068efdfde57d29a3df074187c6ea_JaffaCakes118.exe	sc.exe
PID 1972 wrote to memory of 2720	1972	fb73068efdfde57d29a3df074187c6ea_JaffaCakes118.exe	sc.exe
PID 1972 wrote to memory of 2720	1972	fb73068efdfde57d29a3df074187c6ea_JaffaCakes118.exe	sc.exe
PID 1972 wrote to memory of 2572	1972	fb73068efdfde57d29a3df074187c6ea_JaffaCakes118.exe	sc.exe
PID 1972 wrote to memory of 2572	1972	fb73068efdfde57d29a3df074187c6ea_JaffaCakes118.exe	sc.exe
PID 1972 wrote to memory of 2572	1972	fb73068efdfde57d29a3df074187c6ea_JaffaCakes118.exe	sc.exe
PID 1972 wrote to memory of 2572	1972	fb73068efdfde57d29a3df074187c6ea_JaffaCakes118.exe	sc.exe
PID 1972 wrote to memory of 2652	1972	fb73068efdfde57d29a3df074187c6ea_JaffaCakes118.exe	netsh.exe
PID 1972 wrote to memory of 2652	1972	fb73068efdfde57d29a3df074187c6ea_JaffaCakes118.exe	netsh.exe
PID 1972 wrote to memory of 2652	1972	fb73068efdfde57d29a3df074187c6ea_JaffaCakes118.exe	netsh.exe
PID 1972 wrote to memory of 2652	1972	fb73068efdfde57d29a3df074187c6ea_JaffaCakes118.exe	netsh.exe
PID 2632 wrote to memory of 2968	2632	keagrbtz.exe	svchost.exe
PID 2632 wrote to memory of 2968	2632	keagrbtz.exe	svchost.exe
PID 2632 wrote to memory of 2968	2632	keagrbtz.exe	svchost.exe
PID 2632 wrote to memory of 2968	2632	keagrbtz.exe	svchost.exe
PID 2632 wrote to memory of 2968	2632	keagrbtz.exe	svchost.exe
PID 2632 wrote to memory of 2968	2632	keagrbtz.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\fb73068efdfde57d29a3df074187c6ea_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fb73068efdfde57d29a3df074187c6ea_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1972

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\lmjdifjb\
2⤵
PID:1728

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\keagrbtz.exe" C:\Windows\SysWOW64\lmjdifjb\
2⤵
PID:2328

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create lmjdifjb binPath= "C:\Windows\SysWOW64\lmjdifjb\keagrbtz.exe /d\"C:\Users\Admin\AppData\Local\Temp\fb73068efdfde57d29a3df074187c6ea_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:1696

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description lmjdifjb "wifi internet conection"
2⤵
- Launches sc.exe
PID:2720

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start lmjdifjb
2⤵
- Launches sc.exe
PID:2572

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:2652

C:\Windows\SysWOW64\lmjdifjb\keagrbtz.exe
C:\Windows\SysWOW64\lmjdifjb\keagrbtz.exe /d"C:\Users\Admin\AppData\Local\Temp\fb73068efdfde57d29a3df074187c6ea_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2632

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
PID:2968

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

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

Defense Evasion

Impair Defenses

2

T1562

Disable or Modify System Firewall

1

T1562.004

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
10.1MB

MD5
726045961344b73b9ec443f74ebba317

SHA1
5fb048a25756b5ce60303aa71abbf88008f97386

SHA256
3fff1733fc63a39a4df3e91d2658b2ee1dca77b622df917ad316a75db16c2812

SHA512
b319ff4ca197e9b5be90f2e8938bf2b0b2b9b1f36b615439db39657362f37a48a045ea37aec32093d432a929108f02036867b7666c71b2f38109b8150fd05f1e

Download Submit
memory/1972-1-0x00000000004F0000-0x00000000005F0000-memory.dmp

Filesize
1024KB

Download
memory/1972-3-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1972-4-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1972-8-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2632-12-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2632-9-0x0000000000620000-0x0000000000720000-memory.dmp

Filesize
1024KB

Download
memory/2632-15-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

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

Filesize
84KB

Download
memory/2968-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2968-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2968-19-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2968-20-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2968-21-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads