tofsee | 49dab872a5b2e9907b73be258b4bbba2f86677af674ed12a6a3f40b3e7543c84

General

Target

f7baffc6d2cfb545920c4a09c852b138_JaffaCakes118.exe
Size

11.3MB
MD5

f7baffc6d2cfb545920c4a09c852b138
SHA1

8c8064183e636a58f6e8cc12eb3c4a60ba1a34bd
SHA256

49dab872a5b2e9907b73be258b4bbba2f86677af674ed12a6a3f40b3e7543c84
SHA512

85007d6de19c3f2db2ba6a26a23832fbb8ed13e8d5584792d33262557eca363b2c285e9d9e56a492f8792f81eeb2723d18c8ed9d05b1c66305229bf88aa9bac4
SSDEEP

49152:fOawK7777777777777777777777777777777777777777777777777777777777f:fm

Score

10^/10

tofsee evasion persistence trojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

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\qvlkrhyo = "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

2968 netsh.exe

pid	process
2968	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\qvlkrhyo\ImagePath = "C:\\Windows\\SysWOW64\\qvlkrhyo\\eauagiar.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2528 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

eauagiar.exe

pid process

2216 eauagiar.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

eauagiar.exe

description pid process target process

PID 2216 set thread context of 2528 2216 eauagiar.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

2548 sc.exe
1916 sc.exe
2568 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2528	svchost.exe

pid	process
2216	eauagiar.exe

description	pid	process	target process
PID 2216 set thread context of 2528	2216	eauagiar.exe	svchost.exe

pid	process
2548	sc.exe
1916	sc.exe
2568	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

f7baffc6d2cfb545920c4a09c852b138_JaffaCakes118.exeeauagiar.exe

description	pid	process	target process
PID 1716 wrote to memory of 2372	1716	f7baffc6d2cfb545920c4a09c852b138_JaffaCakes118.exe	cmd.exe
PID 1716 wrote to memory of 2372	1716	f7baffc6d2cfb545920c4a09c852b138_JaffaCakes118.exe	cmd.exe
PID 1716 wrote to memory of 2372	1716	f7baffc6d2cfb545920c4a09c852b138_JaffaCakes118.exe	cmd.exe
PID 1716 wrote to memory of 2372	1716	f7baffc6d2cfb545920c4a09c852b138_JaffaCakes118.exe	cmd.exe
PID 1716 wrote to memory of 2672	1716	f7baffc6d2cfb545920c4a09c852b138_JaffaCakes118.exe	cmd.exe
PID 1716 wrote to memory of 2672	1716	f7baffc6d2cfb545920c4a09c852b138_JaffaCakes118.exe	cmd.exe
PID 1716 wrote to memory of 2672	1716	f7baffc6d2cfb545920c4a09c852b138_JaffaCakes118.exe	cmd.exe
PID 1716 wrote to memory of 2672	1716	f7baffc6d2cfb545920c4a09c852b138_JaffaCakes118.exe	cmd.exe
PID 1716 wrote to memory of 1916	1716	f7baffc6d2cfb545920c4a09c852b138_JaffaCakes118.exe	sc.exe
PID 1716 wrote to memory of 1916	1716	f7baffc6d2cfb545920c4a09c852b138_JaffaCakes118.exe	sc.exe
PID 1716 wrote to memory of 1916	1716	f7baffc6d2cfb545920c4a09c852b138_JaffaCakes118.exe	sc.exe
PID 1716 wrote to memory of 1916	1716	f7baffc6d2cfb545920c4a09c852b138_JaffaCakes118.exe	sc.exe
PID 1716 wrote to memory of 2568	1716	f7baffc6d2cfb545920c4a09c852b138_JaffaCakes118.exe	sc.exe
PID 1716 wrote to memory of 2568	1716	f7baffc6d2cfb545920c4a09c852b138_JaffaCakes118.exe	sc.exe
PID 1716 wrote to memory of 2568	1716	f7baffc6d2cfb545920c4a09c852b138_JaffaCakes118.exe	sc.exe
PID 1716 wrote to memory of 2568	1716	f7baffc6d2cfb545920c4a09c852b138_JaffaCakes118.exe	sc.exe
PID 1716 wrote to memory of 2548	1716	f7baffc6d2cfb545920c4a09c852b138_JaffaCakes118.exe	sc.exe
PID 1716 wrote to memory of 2548	1716	f7baffc6d2cfb545920c4a09c852b138_JaffaCakes118.exe	sc.exe
PID 1716 wrote to memory of 2548	1716	f7baffc6d2cfb545920c4a09c852b138_JaffaCakes118.exe	sc.exe
PID 1716 wrote to memory of 2548	1716	f7baffc6d2cfb545920c4a09c852b138_JaffaCakes118.exe	sc.exe
PID 1716 wrote to memory of 2968	1716	f7baffc6d2cfb545920c4a09c852b138_JaffaCakes118.exe	netsh.exe
PID 1716 wrote to memory of 2968	1716	f7baffc6d2cfb545920c4a09c852b138_JaffaCakes118.exe	netsh.exe
PID 1716 wrote to memory of 2968	1716	f7baffc6d2cfb545920c4a09c852b138_JaffaCakes118.exe	netsh.exe
PID 1716 wrote to memory of 2968	1716	f7baffc6d2cfb545920c4a09c852b138_JaffaCakes118.exe	netsh.exe
PID 2216 wrote to memory of 2528	2216	eauagiar.exe	svchost.exe
PID 2216 wrote to memory of 2528	2216	eauagiar.exe	svchost.exe
PID 2216 wrote to memory of 2528	2216	eauagiar.exe	svchost.exe
PID 2216 wrote to memory of 2528	2216	eauagiar.exe	svchost.exe
PID 2216 wrote to memory of 2528	2216	eauagiar.exe	svchost.exe
PID 2216 wrote to memory of 2528	2216	eauagiar.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\f7baffc6d2cfb545920c4a09c852b138_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f7baffc6d2cfb545920c4a09c852b138_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1716

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\qvlkrhyo\
2⤵
PID:2372

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\eauagiar.exe" C:\Windows\SysWOW64\qvlkrhyo\
2⤵
PID:2672

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create qvlkrhyo binPath= "C:\Windows\SysWOW64\qvlkrhyo\eauagiar.exe /d\"C:\Users\Admin\AppData\Local\Temp\f7baffc6d2cfb545920c4a09c852b138_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:1916

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description qvlkrhyo "wifi internet conection"
2⤵
- Launches sc.exe
PID:2568

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start qvlkrhyo
2⤵
- Launches sc.exe
PID:2548

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:2968

C:\Windows\SysWOW64\qvlkrhyo\eauagiar.exe
C:\Windows\SysWOW64\qvlkrhyo\eauagiar.exe /d"C:\Users\Admin\AppData\Local\Temp\f7baffc6d2cfb545920c4a09c852b138_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2216

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
PID:2528

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\eauagiar.exe
Filesize
14.8MB

MD5
397f27eddc2e9d9c101fcdd1c2fccb95

SHA1
7d46457b1decac7d5fb228491dd753d6c6c445da

SHA256
6380b753f52f4a954094c8881d06ffaea49f158291812735b25774bf77b9ac9f

SHA512
64c2b232e67fecf1e68e380fab2e9f8caecbf24803e1aab88327c91356a22c3fbf6d975f7197e9026298e534b7e6bc02e32aa11810400ab4397029680c5fac3e

Download Submit
memory/1716-1-0x0000000000540000-0x0000000000640000-memory.dmp

Filesize
1024KB

Download
memory/1716-4-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1716-3-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1716-6-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2216-16-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2216-9-0x00000000004F0000-0x00000000005F0000-memory.dmp

Filesize
1024KB

Download
memory/2216-11-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2528-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2528-10-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2528-14-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2528-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2528-19-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2528-20-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads