tofsee | 5134552a33b485a25270b8b78068b22fb46ff20267f92f690ee31a2046b9297d

General

Target

9acfb27a482a0ac42cd9caf72a24545c_JaffaCakes118.exe
Size

352KB
MD5

9acfb27a482a0ac42cd9caf72a24545c
SHA1

b8c2d6639427c9343383ce21eff355974ea550a4
SHA256

5134552a33b485a25270b8b78068b22fb46ff20267f92f690ee31a2046b9297d
SHA512

edf966e22dba430d66718ae0a7cfc6d2b4c5b92a3eb8092872dbfb8221bc70bcb868c4a044e9323923582b3cb0d4580d7eb81201282119ff3a33c94995b9014f
SSDEEP

6144:OqxxwoLIoklLgkgguVHkb/a3hftL4nzgvwZL:zldkl61VEb/a3BtL4nzgA

Score

10^/10

tofsee evasion execution 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\zelqofko = "0"	svchost.exe

Creates new service(s) 2 TTPs
persistence execution

Windows Service
T1543.003

Service Execution
T1569.002
Modifies Windows Firewall 2 TTPs 1 IoCs
evasion

Windows Service
T1543.003

Disable or Modify System Firewall
T1562.004

Processes:

netsh.exe

pid process

2504 netsh.exe

pid	process
2504	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\zelqofko\ImagePath = "C:\\Windows\\SysWOW64\\zelqofko\\hkssqosb.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2852 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

hkssqosb.exe

pid process

2576 hkssqosb.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

hkssqosb.exe

description pid process target process

PID 2576 set thread context of 2852 2576 hkssqosb.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

1756 sc.exe
2720 sc.exe
2584 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2852	svchost.exe

pid	process
2576	hkssqosb.exe

description	pid	process	target process
PID 2576 set thread context of 2852	2576	hkssqosb.exe	svchost.exe

pid	process
1756	sc.exe
2720	sc.exe
2584	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

9acfb27a482a0ac42cd9caf72a24545c_JaffaCakes118.exehkssqosb.exe

description	pid	process	target process
PID 912 wrote to memory of 2112	912	9acfb27a482a0ac42cd9caf72a24545c_JaffaCakes118.exe	cmd.exe
PID 912 wrote to memory of 2112	912	9acfb27a482a0ac42cd9caf72a24545c_JaffaCakes118.exe	cmd.exe
PID 912 wrote to memory of 2112	912	9acfb27a482a0ac42cd9caf72a24545c_JaffaCakes118.exe	cmd.exe
PID 912 wrote to memory of 2112	912	9acfb27a482a0ac42cd9caf72a24545c_JaffaCakes118.exe	cmd.exe
PID 912 wrote to memory of 3040	912	9acfb27a482a0ac42cd9caf72a24545c_JaffaCakes118.exe	cmd.exe
PID 912 wrote to memory of 3040	912	9acfb27a482a0ac42cd9caf72a24545c_JaffaCakes118.exe	cmd.exe
PID 912 wrote to memory of 3040	912	9acfb27a482a0ac42cd9caf72a24545c_JaffaCakes118.exe	cmd.exe
PID 912 wrote to memory of 3040	912	9acfb27a482a0ac42cd9caf72a24545c_JaffaCakes118.exe	cmd.exe
PID 912 wrote to memory of 1756	912	9acfb27a482a0ac42cd9caf72a24545c_JaffaCakes118.exe	sc.exe
PID 912 wrote to memory of 1756	912	9acfb27a482a0ac42cd9caf72a24545c_JaffaCakes118.exe	sc.exe
PID 912 wrote to memory of 1756	912	9acfb27a482a0ac42cd9caf72a24545c_JaffaCakes118.exe	sc.exe
PID 912 wrote to memory of 1756	912	9acfb27a482a0ac42cd9caf72a24545c_JaffaCakes118.exe	sc.exe
PID 912 wrote to memory of 2720	912	9acfb27a482a0ac42cd9caf72a24545c_JaffaCakes118.exe	sc.exe
PID 912 wrote to memory of 2720	912	9acfb27a482a0ac42cd9caf72a24545c_JaffaCakes118.exe	sc.exe
PID 912 wrote to memory of 2720	912	9acfb27a482a0ac42cd9caf72a24545c_JaffaCakes118.exe	sc.exe
PID 912 wrote to memory of 2720	912	9acfb27a482a0ac42cd9caf72a24545c_JaffaCakes118.exe	sc.exe
PID 912 wrote to memory of 2584	912	9acfb27a482a0ac42cd9caf72a24545c_JaffaCakes118.exe	sc.exe
PID 912 wrote to memory of 2584	912	9acfb27a482a0ac42cd9caf72a24545c_JaffaCakes118.exe	sc.exe
PID 912 wrote to memory of 2584	912	9acfb27a482a0ac42cd9caf72a24545c_JaffaCakes118.exe	sc.exe
PID 912 wrote to memory of 2584	912	9acfb27a482a0ac42cd9caf72a24545c_JaffaCakes118.exe	sc.exe
PID 2576 wrote to memory of 2852	2576	hkssqosb.exe	svchost.exe
PID 2576 wrote to memory of 2852	2576	hkssqosb.exe	svchost.exe
PID 2576 wrote to memory of 2852	2576	hkssqosb.exe	svchost.exe
PID 2576 wrote to memory of 2852	2576	hkssqosb.exe	svchost.exe
PID 2576 wrote to memory of 2852	2576	hkssqosb.exe	svchost.exe
PID 2576 wrote to memory of 2852	2576	hkssqosb.exe	svchost.exe
PID 912 wrote to memory of 2504	912	9acfb27a482a0ac42cd9caf72a24545c_JaffaCakes118.exe	netsh.exe
PID 912 wrote to memory of 2504	912	9acfb27a482a0ac42cd9caf72a24545c_JaffaCakes118.exe	netsh.exe
PID 912 wrote to memory of 2504	912	9acfb27a482a0ac42cd9caf72a24545c_JaffaCakes118.exe	netsh.exe
PID 912 wrote to memory of 2504	912	9acfb27a482a0ac42cd9caf72a24545c_JaffaCakes118.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\9acfb27a482a0ac42cd9caf72a24545c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\9acfb27a482a0ac42cd9caf72a24545c_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:912

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\zelqofko\
2⤵
PID:2112

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\hkssqosb.exe" C:\Windows\SysWOW64\zelqofko\
2⤵
PID:3040

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create zelqofko binPath= "C:\Windows\SysWOW64\zelqofko\hkssqosb.exe /d\"C:\Users\Admin\AppData\Local\Temp\9acfb27a482a0ac42cd9caf72a24545c_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:1756

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description zelqofko "wifi internet conection"
2⤵
- Launches sc.exe
PID:2720

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start zelqofko
2⤵
- Launches sc.exe
PID:2584

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:2504

C:\Windows\SysWOW64\zelqofko\hkssqosb.exe
C:\Windows\SysWOW64\zelqofko\hkssqosb.exe /d"C:\Users\Admin\AppData\Local\Temp\9acfb27a482a0ac42cd9caf72a24545c_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2576

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
PID:2852

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

1

T1569

Service Execution

1

T1569.002

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\hkssqosb.exe

Filesize
14.2MB

MD5
57674d00da9f3c8029e7c576b9f5dafc

SHA1
0f13d409a11ca7dd6c1db2366d39801ae37900e8

SHA256
7f050b8b56cc2caafd57c571fdbad9ac9b7d52addced692852a4938923d0c19e

SHA512
e7f078ea939ee7481aee50a60df231064e6826bb2c69e9d9d5f8ae4aa0420cf45c150a0d55fcf845b6a7144a51d6fcdc34fa8e7ff1564d2ea3171a7494df3939

Download Submit
memory/912-1-0x0000000000630000-0x0000000000730000-memory.dmp

Filesize
1024KB

Download
memory/912-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/912-14-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/912-13-0x0000000000400000-0x0000000000505000-memory.dmp

Filesize
1.0MB

Download
memory/2576-11-0x0000000000400000-0x0000000000505000-memory.dmp

Filesize
1.0MB

Download
memory/2852-10-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2852-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2852-7-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2852-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2852-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads