tofsee | e5badbae1af7bd777e66282cf56e38e6a5bc75063f5b9342b4bd6571836cea63

General

Target

f3cc40d0eeb5bc12926970e04a727ee5_JaffaCakes118.exe
Size

14.9MB
MD5

f3cc40d0eeb5bc12926970e04a727ee5
SHA1

00a858fd157c5a5d663ab170bdfabb99088b0568
SHA256

e5badbae1af7bd777e66282cf56e38e6a5bc75063f5b9342b4bd6571836cea63
SHA512

78d2876fa7ccf822ac4cfdb8e42e0c6b4b5e4b3a344c1337d05d0e86d849a9392e541bc45aa95fcae0d6fd84383460efbcd60612a5a4e87748aecd0e0b5d8840
SSDEEP

49152:r8KGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGy:r8

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\diqghnur = "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

2528 netsh.exe

pid	process
2528	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\diqghnur\ImagePath = "C:\\Windows\\SysWOW64\\diqghnur\\oligsdsg.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2488 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

oligsdsg.exe

pid process

2752 oligsdsg.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

oligsdsg.exe

description pid process target process

PID 2752 set thread context of 2488 2752 oligsdsg.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

1956 sc.exe
2640 sc.exe
2728 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
2752	oligsdsg.exe

description	pid	process	target process
PID 2752 set thread context of 2488	2752	oligsdsg.exe	svchost.exe

pid	process
1956	sc.exe
2640	sc.exe
2728	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

f3cc40d0eeb5bc12926970e04a727ee5_JaffaCakes118.exeoligsdsg.exe

description	pid	process	target process
PID 2248 wrote to memory of 2572	2248	f3cc40d0eeb5bc12926970e04a727ee5_JaffaCakes118.exe	cmd.exe
PID 2248 wrote to memory of 2572	2248	f3cc40d0eeb5bc12926970e04a727ee5_JaffaCakes118.exe	cmd.exe
PID 2248 wrote to memory of 2572	2248	f3cc40d0eeb5bc12926970e04a727ee5_JaffaCakes118.exe	cmd.exe
PID 2248 wrote to memory of 2572	2248	f3cc40d0eeb5bc12926970e04a727ee5_JaffaCakes118.exe	cmd.exe
PID 2248 wrote to memory of 1244	2248	f3cc40d0eeb5bc12926970e04a727ee5_JaffaCakes118.exe	cmd.exe
PID 2248 wrote to memory of 1244	2248	f3cc40d0eeb5bc12926970e04a727ee5_JaffaCakes118.exe	cmd.exe
PID 2248 wrote to memory of 1244	2248	f3cc40d0eeb5bc12926970e04a727ee5_JaffaCakes118.exe	cmd.exe
PID 2248 wrote to memory of 1244	2248	f3cc40d0eeb5bc12926970e04a727ee5_JaffaCakes118.exe	cmd.exe
PID 2248 wrote to memory of 1956	2248	f3cc40d0eeb5bc12926970e04a727ee5_JaffaCakes118.exe	sc.exe
PID 2248 wrote to memory of 1956	2248	f3cc40d0eeb5bc12926970e04a727ee5_JaffaCakes118.exe	sc.exe
PID 2248 wrote to memory of 1956	2248	f3cc40d0eeb5bc12926970e04a727ee5_JaffaCakes118.exe	sc.exe
PID 2248 wrote to memory of 1956	2248	f3cc40d0eeb5bc12926970e04a727ee5_JaffaCakes118.exe	sc.exe
PID 2248 wrote to memory of 2640	2248	f3cc40d0eeb5bc12926970e04a727ee5_JaffaCakes118.exe	sc.exe
PID 2248 wrote to memory of 2640	2248	f3cc40d0eeb5bc12926970e04a727ee5_JaffaCakes118.exe	sc.exe
PID 2248 wrote to memory of 2640	2248	f3cc40d0eeb5bc12926970e04a727ee5_JaffaCakes118.exe	sc.exe
PID 2248 wrote to memory of 2640	2248	f3cc40d0eeb5bc12926970e04a727ee5_JaffaCakes118.exe	sc.exe
PID 2248 wrote to memory of 2728	2248	f3cc40d0eeb5bc12926970e04a727ee5_JaffaCakes118.exe	sc.exe
PID 2248 wrote to memory of 2728	2248	f3cc40d0eeb5bc12926970e04a727ee5_JaffaCakes118.exe	sc.exe
PID 2248 wrote to memory of 2728	2248	f3cc40d0eeb5bc12926970e04a727ee5_JaffaCakes118.exe	sc.exe
PID 2248 wrote to memory of 2728	2248	f3cc40d0eeb5bc12926970e04a727ee5_JaffaCakes118.exe	sc.exe
PID 2248 wrote to memory of 2528	2248	f3cc40d0eeb5bc12926970e04a727ee5_JaffaCakes118.exe	netsh.exe
PID 2248 wrote to memory of 2528	2248	f3cc40d0eeb5bc12926970e04a727ee5_JaffaCakes118.exe	netsh.exe
PID 2248 wrote to memory of 2528	2248	f3cc40d0eeb5bc12926970e04a727ee5_JaffaCakes118.exe	netsh.exe
PID 2248 wrote to memory of 2528	2248	f3cc40d0eeb5bc12926970e04a727ee5_JaffaCakes118.exe	netsh.exe
PID 2752 wrote to memory of 2488	2752	oligsdsg.exe	svchost.exe
PID 2752 wrote to memory of 2488	2752	oligsdsg.exe	svchost.exe
PID 2752 wrote to memory of 2488	2752	oligsdsg.exe	svchost.exe
PID 2752 wrote to memory of 2488	2752	oligsdsg.exe	svchost.exe
PID 2752 wrote to memory of 2488	2752	oligsdsg.exe	svchost.exe
PID 2752 wrote to memory of 2488	2752	oligsdsg.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\f3cc40d0eeb5bc12926970e04a727ee5_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f3cc40d0eeb5bc12926970e04a727ee5_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2248

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\diqghnur\
2⤵
PID:2572

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\oligsdsg.exe" C:\Windows\SysWOW64\diqghnur\
2⤵
PID:1244

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create diqghnur binPath= "C:\Windows\SysWOW64\diqghnur\oligsdsg.exe /d\"C:\Users\Admin\AppData\Local\Temp\f3cc40d0eeb5bc12926970e04a727ee5_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:1956

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description diqghnur "wifi internet conection"
2⤵
- Launches sc.exe
PID:2640

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start diqghnur
2⤵
- Launches sc.exe
PID:2728

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:2528

C:\Windows\SysWOW64\diqghnur\oligsdsg.exe
C:\Windows\SysWOW64\diqghnur\oligsdsg.exe /d"C:\Users\Admin\AppData\Local\Temp\f3cc40d0eeb5bc12926970e04a727ee5_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2752

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 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\oligsdsg.exe
Filesize
14.5MB

MD5
bb679f9d408fa1d9b4c6a080927158e5

SHA1
acb4fa6de84fc585ca57e7ddb91dbb29be159e9e

SHA256
3198ce69785bcf1ebd7891996bd3333a7afbe72f3607ad755f839b68b16c0e10

SHA512
5a4238cd37bf6607b5b5c4de58a44cf71a54479cf84df1e37a64a03c2561d329e76ee07a2b5e45d8b133027218a95414a80d28b62734ffafcfda91889efc80ee

Download Submit
memory/2248-1-0x0000000000D20000-0x0000000000E20000-memory.dmp

Filesize
1024KB

Download
memory/2248-3-0x0000000000230000-0x0000000000243000-memory.dmp

Filesize
76KB

Download
memory/2248-4-0x0000000000400000-0x0000000000C14000-memory.dmp

Filesize
8.1MB

Download
memory/2248-7-0x0000000000400000-0x0000000000C14000-memory.dmp

Filesize
8.1MB

Download
memory/2488-10-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

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

Filesize
4KB

Download
memory/2488-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2488-18-0x0000000000080000-0x0000000000095000-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/2752-9-0x0000000000DC0000-0x0000000000EC0000-memory.dmp

Filesize
1024KB

Download
memory/2752-11-0x0000000000400000-0x0000000000C14000-memory.dmp

Filesize
8.1MB

Download
memory/2752-16-0x0000000000400000-0x0000000000C14000-memory.dmp

Filesize
8.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads