tofsee | aab7da4ca738485221428e2bd07a7de7441c7e660645b5c360add9af4e562ac1

General

Target

face11299f7fffa093c4bfccf6e76d09_JaffaCakes118.exe
Size

11.3MB
MD5

face11299f7fffa093c4bfccf6e76d09
SHA1

5fa4cab65e8a45c98edf3ee576c5b336fad32154
SHA256

aab7da4ca738485221428e2bd07a7de7441c7e660645b5c360add9af4e562ac1
SHA512

80ce892c192d480299d7c616de8188d2e8e145b5b611f35fbb163df2d7cd16ff808c81a93d281dba83d749c8ccc05cf491c46a17d3c8683ff26497e0ef23c831
SSDEEP

6144:AYZBka1hn70xttl2pZzmXXoN1P3yAoYFrqQuiIjLW/c/c/c/c/c/c/c/c/c/c/cH:AaBkK4nl2pZziXoDP3yAo0qPiI

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\frsimumw = "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

1740 netsh.exe

pid	process
1740	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\frsimumw\ImagePath = "C:\\Windows\\SysWOW64\\frsimumw\\kpldbeq.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2424 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

kpldbeq.exe

pid process

2736 kpldbeq.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

kpldbeq.exe

description pid process target process

PID 2736 set thread context of 2424 2736 kpldbeq.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

2648 sc.exe
2612 sc.exe
2912 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2424	svchost.exe

pid	process
2736	kpldbeq.exe

description	pid	process	target process
PID 2736 set thread context of 2424	2736	kpldbeq.exe	svchost.exe

pid	process
2648	sc.exe
2612	sc.exe
2912	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

face11299f7fffa093c4bfccf6e76d09_JaffaCakes118.exekpldbeq.exe

description	pid	process	target process
PID 1600 wrote to memory of 2108	1600	face11299f7fffa093c4bfccf6e76d09_JaffaCakes118.exe	cmd.exe
PID 1600 wrote to memory of 2108	1600	face11299f7fffa093c4bfccf6e76d09_JaffaCakes118.exe	cmd.exe
PID 1600 wrote to memory of 2108	1600	face11299f7fffa093c4bfccf6e76d09_JaffaCakes118.exe	cmd.exe
PID 1600 wrote to memory of 2108	1600	face11299f7fffa093c4bfccf6e76d09_JaffaCakes118.exe	cmd.exe
PID 1600 wrote to memory of 2624	1600	face11299f7fffa093c4bfccf6e76d09_JaffaCakes118.exe	cmd.exe
PID 1600 wrote to memory of 2624	1600	face11299f7fffa093c4bfccf6e76d09_JaffaCakes118.exe	cmd.exe
PID 1600 wrote to memory of 2624	1600	face11299f7fffa093c4bfccf6e76d09_JaffaCakes118.exe	cmd.exe
PID 1600 wrote to memory of 2624	1600	face11299f7fffa093c4bfccf6e76d09_JaffaCakes118.exe	cmd.exe
PID 1600 wrote to memory of 2612	1600	face11299f7fffa093c4bfccf6e76d09_JaffaCakes118.exe	sc.exe
PID 1600 wrote to memory of 2612	1600	face11299f7fffa093c4bfccf6e76d09_JaffaCakes118.exe	sc.exe
PID 1600 wrote to memory of 2612	1600	face11299f7fffa093c4bfccf6e76d09_JaffaCakes118.exe	sc.exe
PID 1600 wrote to memory of 2612	1600	face11299f7fffa093c4bfccf6e76d09_JaffaCakes118.exe	sc.exe
PID 1600 wrote to memory of 2912	1600	face11299f7fffa093c4bfccf6e76d09_JaffaCakes118.exe	sc.exe
PID 1600 wrote to memory of 2912	1600	face11299f7fffa093c4bfccf6e76d09_JaffaCakes118.exe	sc.exe
PID 1600 wrote to memory of 2912	1600	face11299f7fffa093c4bfccf6e76d09_JaffaCakes118.exe	sc.exe
PID 1600 wrote to memory of 2912	1600	face11299f7fffa093c4bfccf6e76d09_JaffaCakes118.exe	sc.exe
PID 1600 wrote to memory of 2648	1600	face11299f7fffa093c4bfccf6e76d09_JaffaCakes118.exe	sc.exe
PID 1600 wrote to memory of 2648	1600	face11299f7fffa093c4bfccf6e76d09_JaffaCakes118.exe	sc.exe
PID 1600 wrote to memory of 2648	1600	face11299f7fffa093c4bfccf6e76d09_JaffaCakes118.exe	sc.exe
PID 1600 wrote to memory of 2648	1600	face11299f7fffa093c4bfccf6e76d09_JaffaCakes118.exe	sc.exe
PID 1600 wrote to memory of 1740	1600	face11299f7fffa093c4bfccf6e76d09_JaffaCakes118.exe	netsh.exe
PID 1600 wrote to memory of 1740	1600	face11299f7fffa093c4bfccf6e76d09_JaffaCakes118.exe	netsh.exe
PID 1600 wrote to memory of 1740	1600	face11299f7fffa093c4bfccf6e76d09_JaffaCakes118.exe	netsh.exe
PID 1600 wrote to memory of 1740	1600	face11299f7fffa093c4bfccf6e76d09_JaffaCakes118.exe	netsh.exe
PID 2736 wrote to memory of 2424	2736	kpldbeq.exe	svchost.exe
PID 2736 wrote to memory of 2424	2736	kpldbeq.exe	svchost.exe
PID 2736 wrote to memory of 2424	2736	kpldbeq.exe	svchost.exe
PID 2736 wrote to memory of 2424	2736	kpldbeq.exe	svchost.exe
PID 2736 wrote to memory of 2424	2736	kpldbeq.exe	svchost.exe
PID 2736 wrote to memory of 2424	2736	kpldbeq.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\face11299f7fffa093c4bfccf6e76d09_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\face11299f7fffa093c4bfccf6e76d09_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1600

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\frsimumw\
2⤵
PID:2108

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\kpldbeq.exe" C:\Windows\SysWOW64\frsimumw\
2⤵
PID:2624

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create frsimumw binPath= "C:\Windows\SysWOW64\frsimumw\kpldbeq.exe /d\"C:\Users\Admin\AppData\Local\Temp\face11299f7fffa093c4bfccf6e76d09_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:2612

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description frsimumw "wifi internet conection"
2⤵
- Launches sc.exe
PID:2912

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start frsimumw
2⤵
- Launches sc.exe
PID:2648

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:1740

C:\Windows\SysWOW64\frsimumw\kpldbeq.exe
C:\Windows\SysWOW64\frsimumw\kpldbeq.exe /d"C:\Users\Admin\AppData\Local\Temp\face11299f7fffa093c4bfccf6e76d09_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2736

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
PID:2424

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\kpldbeq.exe
Filesize
10.5MB

MD5
cf73f934637f3b188a439865da58dfd0

SHA1
be4028921b199b344a75579a73288f6856641c9b

SHA256
1f8fa13a146cd9f89d8b0431f4b756149785aa0e070c4188da586b9b4734d513

SHA512
c4da7aa77a057ff79096e1fc842497f3ad235b59aebfcfcfd2f837c310c451c760631384230395c297ada56fe997e836a624278c4ab2a49135fd7f92965852c6

Download Submit
memory/1600-1-0x00000000017C0000-0x00000000018C0000-memory.dmp

Filesize
1024KB

Download
memory/1600-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/1600-4-0x0000000000400000-0x00000000016CE000-memory.dmp

Filesize
18.8MB

Download
memory/1600-8-0x0000000000400000-0x00000000016CE000-memory.dmp

Filesize
18.8MB

Download
memory/1600-10-0x00000000017C0000-0x00000000018C0000-memory.dmp

Filesize
1024KB

Download
memory/2424-12-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2424-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2424-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2424-20-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2424-21-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2424-22-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2736-9-0x00000000017B0000-0x00000000018B0000-memory.dmp

Filesize
1024KB

Download
memory/2736-11-0x0000000000400000-0x00000000016CE000-memory.dmp

Filesize
18.8MB

Download
memory/2736-17-0x0000000000400000-0x00000000016CE000-memory.dmp

Filesize
18.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads