tofsee | f470b1f3e1c06b2aa8c39ccc759a0959835df0686080ae76ec0e22935fb23d82

General

Target

f379c76200860aa2a6e11bf220772b5f_JaffaCakes118.exe
Size

14.9MB
MD5

f379c76200860aa2a6e11bf220772b5f
SHA1

8b53b7f4efe9339a9463cdf61ed64f7091d5b006
SHA256

f470b1f3e1c06b2aa8c39ccc759a0959835df0686080ae76ec0e22935fb23d82
SHA512

77e33eb0197478919086e60976c4716683d67f2415c8d03d27a59b8ac8dad7e31d1cba7a985f673b60619d8790481d3fbc2b5a716d258a5714ad5ed7ed9bdff6
SSDEEP

49152:M66666666666666666666666666666666666666666666666666666666666666i:

Score

10^/10

tofsee evasion persistence trojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.6

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\dalafmea = "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

2668 netsh.exe

pid	process
2668	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\dalafmea\ImagePath = "C:\\Windows\\SysWOW64\\dalafmea\\rlnqjii.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2488 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

rlnqjii.exe

pid process

2688 rlnqjii.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

rlnqjii.exe

description pid process target process

PID 2688 set thread context of 2488 2688 rlnqjii.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

2580 sc.exe
2700 sc.exe
2640 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2488	svchost.exe

pid	process
2688	rlnqjii.exe

description	pid	process	target process
PID 2688 set thread context of 2488	2688	rlnqjii.exe	svchost.exe

pid	process
2580	sc.exe
2700	sc.exe
2640	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

f379c76200860aa2a6e11bf220772b5f_JaffaCakes118.exerlnqjii.exe

description	pid	process	target process
PID 2140 wrote to memory of 2848	2140	f379c76200860aa2a6e11bf220772b5f_JaffaCakes118.exe	cmd.exe
PID 2140 wrote to memory of 2848	2140	f379c76200860aa2a6e11bf220772b5f_JaffaCakes118.exe	cmd.exe
PID 2140 wrote to memory of 2848	2140	f379c76200860aa2a6e11bf220772b5f_JaffaCakes118.exe	cmd.exe
PID 2140 wrote to memory of 2848	2140	f379c76200860aa2a6e11bf220772b5f_JaffaCakes118.exe	cmd.exe
PID 2140 wrote to memory of 2528	2140	f379c76200860aa2a6e11bf220772b5f_JaffaCakes118.exe	cmd.exe
PID 2140 wrote to memory of 2528	2140	f379c76200860aa2a6e11bf220772b5f_JaffaCakes118.exe	cmd.exe
PID 2140 wrote to memory of 2528	2140	f379c76200860aa2a6e11bf220772b5f_JaffaCakes118.exe	cmd.exe
PID 2140 wrote to memory of 2528	2140	f379c76200860aa2a6e11bf220772b5f_JaffaCakes118.exe	cmd.exe
PID 2140 wrote to memory of 2640	2140	f379c76200860aa2a6e11bf220772b5f_JaffaCakes118.exe	sc.exe
PID 2140 wrote to memory of 2640	2140	f379c76200860aa2a6e11bf220772b5f_JaffaCakes118.exe	sc.exe
PID 2140 wrote to memory of 2640	2140	f379c76200860aa2a6e11bf220772b5f_JaffaCakes118.exe	sc.exe
PID 2140 wrote to memory of 2640	2140	f379c76200860aa2a6e11bf220772b5f_JaffaCakes118.exe	sc.exe
PID 2140 wrote to memory of 2580	2140	f379c76200860aa2a6e11bf220772b5f_JaffaCakes118.exe	sc.exe
PID 2140 wrote to memory of 2580	2140	f379c76200860aa2a6e11bf220772b5f_JaffaCakes118.exe	sc.exe
PID 2140 wrote to memory of 2580	2140	f379c76200860aa2a6e11bf220772b5f_JaffaCakes118.exe	sc.exe
PID 2140 wrote to memory of 2580	2140	f379c76200860aa2a6e11bf220772b5f_JaffaCakes118.exe	sc.exe
PID 2140 wrote to memory of 2700	2140	f379c76200860aa2a6e11bf220772b5f_JaffaCakes118.exe	sc.exe
PID 2140 wrote to memory of 2700	2140	f379c76200860aa2a6e11bf220772b5f_JaffaCakes118.exe	sc.exe
PID 2140 wrote to memory of 2700	2140	f379c76200860aa2a6e11bf220772b5f_JaffaCakes118.exe	sc.exe
PID 2140 wrote to memory of 2700	2140	f379c76200860aa2a6e11bf220772b5f_JaffaCakes118.exe	sc.exe
PID 2140 wrote to memory of 2668	2140	f379c76200860aa2a6e11bf220772b5f_JaffaCakes118.exe	netsh.exe
PID 2140 wrote to memory of 2668	2140	f379c76200860aa2a6e11bf220772b5f_JaffaCakes118.exe	netsh.exe
PID 2140 wrote to memory of 2668	2140	f379c76200860aa2a6e11bf220772b5f_JaffaCakes118.exe	netsh.exe
PID 2140 wrote to memory of 2668	2140	f379c76200860aa2a6e11bf220772b5f_JaffaCakes118.exe	netsh.exe
PID 2688 wrote to memory of 2488	2688	rlnqjii.exe	svchost.exe
PID 2688 wrote to memory of 2488	2688	rlnqjii.exe	svchost.exe
PID 2688 wrote to memory of 2488	2688	rlnqjii.exe	svchost.exe
PID 2688 wrote to memory of 2488	2688	rlnqjii.exe	svchost.exe
PID 2688 wrote to memory of 2488	2688	rlnqjii.exe	svchost.exe
PID 2688 wrote to memory of 2488	2688	rlnqjii.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\f379c76200860aa2a6e11bf220772b5f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f379c76200860aa2a6e11bf220772b5f_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2140

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\dalafmea\
2⤵
PID:2848

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\rlnqjii.exe" C:\Windows\SysWOW64\dalafmea\
2⤵
PID:2528

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create dalafmea binPath= "C:\Windows\SysWOW64\dalafmea\rlnqjii.exe /d\"C:\Users\Admin\AppData\Local\Temp\f379c76200860aa2a6e11bf220772b5f_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:2640

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description dalafmea "wifi internet conection"
2⤵
- Launches sc.exe
PID:2580

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start dalafmea
2⤵
- Launches sc.exe
PID:2700

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:2668

C:\Windows\SysWOW64\dalafmea\rlnqjii.exe
C:\Windows\SysWOW64\dalafmea\rlnqjii.exe /d"C:\Users\Admin\AppData\Local\Temp\f379c76200860aa2a6e11bf220772b5f_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2688

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
PID:2488

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\rlnqjii.exe
Filesize
12.6MB

MD5
d2f1da84ee44a296876272c77ce48f7a

SHA1
f2057723930a346d3b4623460055f6983a53cba6

SHA256
a63943c55c61ee7b80e56ffec4ec1caaa9b2afa3df630c67cd7749dcfe3fbcfa

SHA512
d3d3033d098778bec9fd1d80ae8f51824d9c1b30176e76baa8685477f77939fd86c851e83d03847c68a8cc711e9b698fa05a93d5263d55f148954cf9e48404d9

Download Submit
memory/2140-1-0x0000000000DC0000-0x0000000000EC0000-memory.dmp

Filesize
1024KB

Download
memory/2140-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2140-4-0x0000000000400000-0x0000000000C0A000-memory.dmp

Filesize
8.0MB

Download
memory/2140-7-0x0000000000400000-0x0000000000C0A000-memory.dmp

Filesize
8.0MB

Download
memory/2140-8-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2488-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2488-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2488-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2488-19-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2488-20-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2488-21-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2688-13-0x0000000000400000-0x0000000000C0A000-memory.dmp

Filesize
8.0MB

Download
memory/2688-10-0x0000000000CA0000-0x0000000000DA0000-memory.dmp

Filesize
1024KB

Download
memory/2688-18-0x0000000000400000-0x0000000000C0A000-memory.dmp

Filesize
8.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads