tofsee | 00423b5dc446d975260c85ace9a92f27398430fd56bbb3d42e190d281de8d954

General

Target

f97ac5a687cc94db960df62fb910a74a_JaffaCakes118.exe
Size

11.6MB
MD5

f97ac5a687cc94db960df62fb910a74a
SHA1

24b5c7775506327081ea3ed0093c62d938dd50e4
SHA256

00423b5dc446d975260c85ace9a92f27398430fd56bbb3d42e190d281de8d954
SHA512

ab81fd40d42ad8dd102b48906d5fba078360001cb300743b8e90849bc38d22f40302b6e26ee5d45f0b6bf1bd082e0293adee78ed3e21668c3c55b014d9746c0b
SSDEEP

196608:QPHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHn:Q

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\ojnulvqn = "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

2556 netsh.exe

pid	process
2556	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\ojnulvqn\ImagePath = "C:\\Windows\\SysWOW64\\ojnulvqn\\nlamgcnd.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2560 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

nlamgcnd.exe

pid process

2660 nlamgcnd.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

nlamgcnd.exe

description pid process target process

PID 2660 set thread context of 2560 2660 nlamgcnd.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

2780 sc.exe
2792 sc.exe
2164 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2560	svchost.exe

pid	process
2660	nlamgcnd.exe

description	pid	process	target process
PID 2660 set thread context of 2560	2660	nlamgcnd.exe	svchost.exe

pid	process
2780	sc.exe
2792	sc.exe
2164	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

f97ac5a687cc94db960df62fb910a74a_JaffaCakes118.exenlamgcnd.exe

description	pid	process	target process
PID 2224 wrote to memory of 2896	2224	f97ac5a687cc94db960df62fb910a74a_JaffaCakes118.exe	cmd.exe
PID 2224 wrote to memory of 2896	2224	f97ac5a687cc94db960df62fb910a74a_JaffaCakes118.exe	cmd.exe
PID 2224 wrote to memory of 2896	2224	f97ac5a687cc94db960df62fb910a74a_JaffaCakes118.exe	cmd.exe
PID 2224 wrote to memory of 2896	2224	f97ac5a687cc94db960df62fb910a74a_JaffaCakes118.exe	cmd.exe
PID 2224 wrote to memory of 2940	2224	f97ac5a687cc94db960df62fb910a74a_JaffaCakes118.exe	cmd.exe
PID 2224 wrote to memory of 2940	2224	f97ac5a687cc94db960df62fb910a74a_JaffaCakes118.exe	cmd.exe
PID 2224 wrote to memory of 2940	2224	f97ac5a687cc94db960df62fb910a74a_JaffaCakes118.exe	cmd.exe
PID 2224 wrote to memory of 2940	2224	f97ac5a687cc94db960df62fb910a74a_JaffaCakes118.exe	cmd.exe
PID 2224 wrote to memory of 2164	2224	f97ac5a687cc94db960df62fb910a74a_JaffaCakes118.exe	sc.exe
PID 2224 wrote to memory of 2164	2224	f97ac5a687cc94db960df62fb910a74a_JaffaCakes118.exe	sc.exe
PID 2224 wrote to memory of 2164	2224	f97ac5a687cc94db960df62fb910a74a_JaffaCakes118.exe	sc.exe
PID 2224 wrote to memory of 2164	2224	f97ac5a687cc94db960df62fb910a74a_JaffaCakes118.exe	sc.exe
PID 2224 wrote to memory of 2780	2224	f97ac5a687cc94db960df62fb910a74a_JaffaCakes118.exe	sc.exe
PID 2224 wrote to memory of 2780	2224	f97ac5a687cc94db960df62fb910a74a_JaffaCakes118.exe	sc.exe
PID 2224 wrote to memory of 2780	2224	f97ac5a687cc94db960df62fb910a74a_JaffaCakes118.exe	sc.exe
PID 2224 wrote to memory of 2780	2224	f97ac5a687cc94db960df62fb910a74a_JaffaCakes118.exe	sc.exe
PID 2224 wrote to memory of 2792	2224	f97ac5a687cc94db960df62fb910a74a_JaffaCakes118.exe	sc.exe
PID 2224 wrote to memory of 2792	2224	f97ac5a687cc94db960df62fb910a74a_JaffaCakes118.exe	sc.exe
PID 2224 wrote to memory of 2792	2224	f97ac5a687cc94db960df62fb910a74a_JaffaCakes118.exe	sc.exe
PID 2224 wrote to memory of 2792	2224	f97ac5a687cc94db960df62fb910a74a_JaffaCakes118.exe	sc.exe
PID 2224 wrote to memory of 2556	2224	f97ac5a687cc94db960df62fb910a74a_JaffaCakes118.exe	netsh.exe
PID 2224 wrote to memory of 2556	2224	f97ac5a687cc94db960df62fb910a74a_JaffaCakes118.exe	netsh.exe
PID 2224 wrote to memory of 2556	2224	f97ac5a687cc94db960df62fb910a74a_JaffaCakes118.exe	netsh.exe
PID 2224 wrote to memory of 2556	2224	f97ac5a687cc94db960df62fb910a74a_JaffaCakes118.exe	netsh.exe
PID 2660 wrote to memory of 2560	2660	nlamgcnd.exe	svchost.exe
PID 2660 wrote to memory of 2560	2660	nlamgcnd.exe	svchost.exe
PID 2660 wrote to memory of 2560	2660	nlamgcnd.exe	svchost.exe
PID 2660 wrote to memory of 2560	2660	nlamgcnd.exe	svchost.exe
PID 2660 wrote to memory of 2560	2660	nlamgcnd.exe	svchost.exe
PID 2660 wrote to memory of 2560	2660	nlamgcnd.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\f97ac5a687cc94db960df62fb910a74a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f97ac5a687cc94db960df62fb910a74a_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2224

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ojnulvqn\
2⤵
PID:2896

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\nlamgcnd.exe" C:\Windows\SysWOW64\ojnulvqn\
2⤵
PID:2940

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create ojnulvqn binPath= "C:\Windows\SysWOW64\ojnulvqn\nlamgcnd.exe /d\"C:\Users\Admin\AppData\Local\Temp\f97ac5a687cc94db960df62fb910a74a_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:2164

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description ojnulvqn "wifi internet conection"
2⤵
- Launches sc.exe
PID:2780

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start ojnulvqn
2⤵
- Launches sc.exe
PID:2792

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:2556

C:\Windows\SysWOW64\ojnulvqn\nlamgcnd.exe
C:\Windows\SysWOW64\ojnulvqn\nlamgcnd.exe /d"C:\Users\Admin\AppData\Local\Temp\f97ac5a687cc94db960df62fb910a74a_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2660

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
PID:2560

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\nlamgcnd.exe
Filesize
10.6MB

MD5
2bce50a2e3982390ba001328bdf21fce

SHA1
2642f2df89633df869413387ada9c233ff685c66

SHA256
fe2de1eb37ae6f109e83a42e70107951ab7542b3a946253dcff6ac8884b1c0ea

SHA512
0aa924c5d57727993658c85cd0697a163b56e5d5557f61c9e8bcd46d277990bbc93b5b6bbeba4d7a11c3cbe1a92cf5334aa3b5f83bc9e6f79e22a5c90d1de03b

Download Submit
memory/2224-1-0x0000000000290000-0x0000000000390000-memory.dmp

Filesize
1024KB

Download
memory/2224-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2224-4-0x0000000000400000-0x0000000000870000-memory.dmp

Filesize
4.4MB

Download
memory/2224-8-0x0000000000400000-0x0000000000870000-memory.dmp

Filesize
4.4MB

Download
memory/2224-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2560-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2560-12-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2560-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2560-20-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2560-21-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2560-22-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2660-11-0x0000000000400000-0x0000000000870000-memory.dmp

Filesize
4.4MB

Download
memory/2660-10-0x00000000008F0000-0x00000000009F0000-memory.dmp

Filesize
1024KB

Download
memory/2660-16-0x0000000000400000-0x0000000000870000-memory.dmp

Filesize
4.4MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads