tofsee | a3eb89c5fe1e820b0ba694c4aeab1351999630b490d988b4dd698753ab8eb7dc

General

Target

f53aeee66a0b0dc9cdf6dd537f48287c_JaffaCakes118.exe
Size

333KB
MD5

f53aeee66a0b0dc9cdf6dd537f48287c
SHA1

e7e29654829306c7c1633190833d1fe8fc0c44b5
SHA256

a3eb89c5fe1e820b0ba694c4aeab1351999630b490d988b4dd698753ab8eb7dc
SHA512

6d7a5f77650886803623ae6c3f7aae73a6a4d641b47cbe4707df91d5ed150b55da4a79be0abcdaa4ad2418037579abf966baf451c56eeb41c1a1183916eba04a
SSDEEP

6144:/Q41aFOBM9gLaaxfOcWB4KsjKTzcbbyXoAsy6mOnbe3q:o44FuX+axfOcWKhjKncb+vsTmql

Score

10^/10

tofsee evasion persistence trojan

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Signatures

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

4600 netsh.exe

pid	process
4600	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\apoqhyrs\ImagePath = "C:\\Windows\\SysWOW64\\apoqhyrs\\labhufzy.exe"	svchost.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

f53aeee66a0b0dc9cdf6dd537f48287c_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1132431369-515282257-1998160155-1000\Control Panel\International\Geo\Nation	f53aeee66a0b0dc9cdf6dd537f48287c_JaffaCakes118.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

1420 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

labhufzy.exe

pid process

3928 labhufzy.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

labhufzy.exe

description pid process target process

PID 3928 set thread context of 1420 3928 labhufzy.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

2176 sc.exe
2232 sc.exe
3796 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

2004 4196 WerFault.exe f53aeee66a0b0dc9cdf6dd537f48287c_JaffaCakes118.exe
4428 3928 WerFault.exe labhufzy.exe

pid	process
1420	svchost.exe

pid	process
3928	labhufzy.exe

description	pid	process	target process
PID 3928 set thread context of 1420	3928	labhufzy.exe	svchost.exe

pid	process
2176	sc.exe
2232	sc.exe
3796	sc.exe

pid	pid_target	process	target process
2004	4196	WerFault.exe	f53aeee66a0b0dc9cdf6dd537f48287c_JaffaCakes118.exe
4428	3928	WerFault.exe	labhufzy.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

f53aeee66a0b0dc9cdf6dd537f48287c_JaffaCakes118.exelabhufzy.exe

description	pid	process	target process
PID 4196 wrote to memory of 4420	4196	f53aeee66a0b0dc9cdf6dd537f48287c_JaffaCakes118.exe	cmd.exe
PID 4196 wrote to memory of 4420	4196	f53aeee66a0b0dc9cdf6dd537f48287c_JaffaCakes118.exe	cmd.exe
PID 4196 wrote to memory of 4420	4196	f53aeee66a0b0dc9cdf6dd537f48287c_JaffaCakes118.exe	cmd.exe
PID 4196 wrote to memory of 1016	4196	f53aeee66a0b0dc9cdf6dd537f48287c_JaffaCakes118.exe	cmd.exe
PID 4196 wrote to memory of 1016	4196	f53aeee66a0b0dc9cdf6dd537f48287c_JaffaCakes118.exe	cmd.exe
PID 4196 wrote to memory of 1016	4196	f53aeee66a0b0dc9cdf6dd537f48287c_JaffaCakes118.exe	cmd.exe
PID 4196 wrote to memory of 2176	4196	f53aeee66a0b0dc9cdf6dd537f48287c_JaffaCakes118.exe	sc.exe
PID 4196 wrote to memory of 2176	4196	f53aeee66a0b0dc9cdf6dd537f48287c_JaffaCakes118.exe	sc.exe
PID 4196 wrote to memory of 2176	4196	f53aeee66a0b0dc9cdf6dd537f48287c_JaffaCakes118.exe	sc.exe
PID 4196 wrote to memory of 2232	4196	f53aeee66a0b0dc9cdf6dd537f48287c_JaffaCakes118.exe	sc.exe
PID 4196 wrote to memory of 2232	4196	f53aeee66a0b0dc9cdf6dd537f48287c_JaffaCakes118.exe	sc.exe
PID 4196 wrote to memory of 2232	4196	f53aeee66a0b0dc9cdf6dd537f48287c_JaffaCakes118.exe	sc.exe
PID 4196 wrote to memory of 3796	4196	f53aeee66a0b0dc9cdf6dd537f48287c_JaffaCakes118.exe	sc.exe
PID 4196 wrote to memory of 3796	4196	f53aeee66a0b0dc9cdf6dd537f48287c_JaffaCakes118.exe	sc.exe
PID 4196 wrote to memory of 3796	4196	f53aeee66a0b0dc9cdf6dd537f48287c_JaffaCakes118.exe	sc.exe
PID 4196 wrote to memory of 4600	4196	f53aeee66a0b0dc9cdf6dd537f48287c_JaffaCakes118.exe	netsh.exe
PID 4196 wrote to memory of 4600	4196	f53aeee66a0b0dc9cdf6dd537f48287c_JaffaCakes118.exe	netsh.exe
PID 4196 wrote to memory of 4600	4196	f53aeee66a0b0dc9cdf6dd537f48287c_JaffaCakes118.exe	netsh.exe
PID 3928 wrote to memory of 1420	3928	labhufzy.exe	svchost.exe
PID 3928 wrote to memory of 1420	3928	labhufzy.exe	svchost.exe
PID 3928 wrote to memory of 1420	3928	labhufzy.exe	svchost.exe
PID 3928 wrote to memory of 1420	3928	labhufzy.exe	svchost.exe
PID 3928 wrote to memory of 1420	3928	labhufzy.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\f53aeee66a0b0dc9cdf6dd537f48287c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f53aeee66a0b0dc9cdf6dd537f48287c_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4196

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\apoqhyrs\
2⤵
PID:4420

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\labhufzy.exe" C:\Windows\SysWOW64\apoqhyrs\
2⤵
PID:1016

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create apoqhyrs binPath= "C:\Windows\SysWOW64\apoqhyrs\labhufzy.exe /d\"C:\Users\Admin\AppData\Local\Temp\f53aeee66a0b0dc9cdf6dd537f48287c_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:2176

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description apoqhyrs "wifi internet conection"
2⤵
- Launches sc.exe
PID:2232

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start apoqhyrs
2⤵
- Launches sc.exe
PID:3796

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:4600

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4196 -s 1052
2⤵
- Program crash
PID:2004

C:\Windows\SysWOW64\apoqhyrs\labhufzy.exe
C:\Windows\SysWOW64\apoqhyrs\labhufzy.exe /d"C:\Users\Admin\AppData\Local\Temp\f53aeee66a0b0dc9cdf6dd537f48287c_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3928

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Sets service image path in registry
- Deletes itself
PID:1420

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3928 -s 516
2⤵
- Program crash
PID:4428

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4196 -ip 4196
1⤵
PID:2784

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3928 -ip 3928
1⤵
PID:1880

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

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\labhufzy.exe
Filesize
14.9MB

MD5
f3a4b59bb463453c0aa760d8def80be6

SHA1
f94a323ec08ac55be2ac70407ac5a55f9d05477c

SHA256
8cb6bcb1142c9e6266edc114239fad53b7a2e6dee6310421a4a56a5468430898

SHA512
f17c8d97d3892f113505db75636af48a52abc601848648749946f9c98bceda9844c507c7d2599f8372e34a7ac3b7fd819b80219321b02facb85665a092e6378a

Download Submit
memory/1420-12-0x0000000000820000-0x0000000000835000-memory.dmp

Filesize
84KB

Download
memory/1420-16-0x0000000000820000-0x0000000000835000-memory.dmp

Filesize
84KB

Download
memory/1420-18-0x0000000000820000-0x0000000000835000-memory.dmp

Filesize
84KB

Download
memory/1420-19-0x0000000000820000-0x0000000000835000-memory.dmp

Filesize
84KB

Download
memory/3928-11-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/3928-10-0x00000000009D0000-0x0000000000AD0000-memory.dmp

Filesize
1024KB

Download
memory/3928-17-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/4196-4-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/4196-2-0x00000000023A0000-0x00000000023B3000-memory.dmp

Filesize
76KB

Download
memory/4196-9-0x00000000023A0000-0x00000000023B3000-memory.dmp

Filesize
76KB

Download
memory/4196-8-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/4196-1-0x00000000008A0000-0x00000000009A0000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads