tofsee | 1c080453192d6860817dfd3f7d55054a384f0c5b51661212f38adcb0c6f612bf

General

Target

f31ff6f68ebe392291dbb6214ea9ff92_JaffaCakes118.exe
Size

10.5MB
MD5

f31ff6f68ebe392291dbb6214ea9ff92
SHA1

8502e236e8ae0ff89bff5c17e3697f1e3be2861f
SHA256

1c080453192d6860817dfd3f7d55054a384f0c5b51661212f38adcb0c6f612bf
SHA512

680b1e606ace8a65b4fc5480f16ad50c2636981f08faa25df5237e61c2de2ae130969ab363fc201e4bf3be8cd7d5457be31a0d5cdcfbd125ecf4812f6eb9ed91
SSDEEP

49152:S1yvllllllllllllllllllllllllllllllllllllllllllllllllllllllllllln:SA

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\gypfpcgb = "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

2744 netsh.exe

pid	process
2744	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\gypfpcgb\ImagePath = "C:\\Windows\\SysWOW64\\gypfpcgb\\adjdsdou.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2560 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

adjdsdou.exe

pid process

2748 adjdsdou.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

adjdsdou.exe

description pid process target process

PID 2748 set thread context of 2560 2748 adjdsdou.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

2568 sc.exe
2724 sc.exe
2548 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2560	svchost.exe

pid	process
2748	adjdsdou.exe

description	pid	process	target process
PID 2748 set thread context of 2560	2748	adjdsdou.exe	svchost.exe

pid	process
2568	sc.exe
2724	sc.exe
2548	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

f31ff6f68ebe392291dbb6214ea9ff92_JaffaCakes118.exeadjdsdou.exe

description	pid	process	target process
PID 3016 wrote to memory of 2156	3016	f31ff6f68ebe392291dbb6214ea9ff92_JaffaCakes118.exe	cmd.exe
PID 3016 wrote to memory of 2156	3016	f31ff6f68ebe392291dbb6214ea9ff92_JaffaCakes118.exe	cmd.exe
PID 3016 wrote to memory of 2156	3016	f31ff6f68ebe392291dbb6214ea9ff92_JaffaCakes118.exe	cmd.exe
PID 3016 wrote to memory of 2156	3016	f31ff6f68ebe392291dbb6214ea9ff92_JaffaCakes118.exe	cmd.exe
PID 3016 wrote to memory of 2036	3016	f31ff6f68ebe392291dbb6214ea9ff92_JaffaCakes118.exe	cmd.exe
PID 3016 wrote to memory of 2036	3016	f31ff6f68ebe392291dbb6214ea9ff92_JaffaCakes118.exe	cmd.exe
PID 3016 wrote to memory of 2036	3016	f31ff6f68ebe392291dbb6214ea9ff92_JaffaCakes118.exe	cmd.exe
PID 3016 wrote to memory of 2036	3016	f31ff6f68ebe392291dbb6214ea9ff92_JaffaCakes118.exe	cmd.exe
PID 3016 wrote to memory of 2568	3016	f31ff6f68ebe392291dbb6214ea9ff92_JaffaCakes118.exe	sc.exe
PID 3016 wrote to memory of 2568	3016	f31ff6f68ebe392291dbb6214ea9ff92_JaffaCakes118.exe	sc.exe
PID 3016 wrote to memory of 2568	3016	f31ff6f68ebe392291dbb6214ea9ff92_JaffaCakes118.exe	sc.exe
PID 3016 wrote to memory of 2568	3016	f31ff6f68ebe392291dbb6214ea9ff92_JaffaCakes118.exe	sc.exe
PID 3016 wrote to memory of 2724	3016	f31ff6f68ebe392291dbb6214ea9ff92_JaffaCakes118.exe	sc.exe
PID 3016 wrote to memory of 2724	3016	f31ff6f68ebe392291dbb6214ea9ff92_JaffaCakes118.exe	sc.exe
PID 3016 wrote to memory of 2724	3016	f31ff6f68ebe392291dbb6214ea9ff92_JaffaCakes118.exe	sc.exe
PID 3016 wrote to memory of 2724	3016	f31ff6f68ebe392291dbb6214ea9ff92_JaffaCakes118.exe	sc.exe
PID 3016 wrote to memory of 2548	3016	f31ff6f68ebe392291dbb6214ea9ff92_JaffaCakes118.exe	sc.exe
PID 3016 wrote to memory of 2548	3016	f31ff6f68ebe392291dbb6214ea9ff92_JaffaCakes118.exe	sc.exe
PID 3016 wrote to memory of 2548	3016	f31ff6f68ebe392291dbb6214ea9ff92_JaffaCakes118.exe	sc.exe
PID 3016 wrote to memory of 2548	3016	f31ff6f68ebe392291dbb6214ea9ff92_JaffaCakes118.exe	sc.exe
PID 3016 wrote to memory of 2744	3016	f31ff6f68ebe392291dbb6214ea9ff92_JaffaCakes118.exe	netsh.exe
PID 3016 wrote to memory of 2744	3016	f31ff6f68ebe392291dbb6214ea9ff92_JaffaCakes118.exe	netsh.exe
PID 3016 wrote to memory of 2744	3016	f31ff6f68ebe392291dbb6214ea9ff92_JaffaCakes118.exe	netsh.exe
PID 3016 wrote to memory of 2744	3016	f31ff6f68ebe392291dbb6214ea9ff92_JaffaCakes118.exe	netsh.exe
PID 2748 wrote to memory of 2560	2748	adjdsdou.exe	svchost.exe
PID 2748 wrote to memory of 2560	2748	adjdsdou.exe	svchost.exe
PID 2748 wrote to memory of 2560	2748	adjdsdou.exe	svchost.exe
PID 2748 wrote to memory of 2560	2748	adjdsdou.exe	svchost.exe
PID 2748 wrote to memory of 2560	2748	adjdsdou.exe	svchost.exe
PID 2748 wrote to memory of 2560	2748	adjdsdou.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\f31ff6f68ebe392291dbb6214ea9ff92_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f31ff6f68ebe392291dbb6214ea9ff92_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3016

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\gypfpcgb\
2⤵
PID:2156

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\adjdsdou.exe" C:\Windows\SysWOW64\gypfpcgb\
2⤵
PID:2036

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create gypfpcgb binPath= "C:\Windows\SysWOW64\gypfpcgb\adjdsdou.exe /d\"C:\Users\Admin\AppData\Local\Temp\f31ff6f68ebe392291dbb6214ea9ff92_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:2568

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description gypfpcgb "wifi internet conection"
2⤵
- Launches sc.exe
PID:2724

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start gypfpcgb
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:2744

C:\Windows\SysWOW64\gypfpcgb\adjdsdou.exe
C:\Windows\SysWOW64\gypfpcgb\adjdsdou.exe /d"C:\Users\Admin\AppData\Local\Temp\f31ff6f68ebe392291dbb6214ea9ff92_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2748

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
PID:2560

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\adjdsdou.exe
Filesize
13.9MB

MD5
0fd91bef773b4bf84eb94b11133daef1

SHA1
f573231cebb06829e19ccf5293537a77ee3ff639

SHA256
7593ffaad759cd1d524c778e0fc5076f0de0184f354b3e8b7955cdc877adbae4

SHA512
7792e8b986bcf1ea01cc84eb14afc9cf36cabae699925cf4f016d391a79185c7656f0aff7de81c9874fa77726c27cca15a27c1afd6381854da822c6430da807c

Download Submit
memory/2560-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2560-10-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2560-21-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2560-20-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2560-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2560-19-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2560-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2748-9-0x00000000002B0000-0x00000000003B0000-memory.dmp

Filesize
1024KB

Download
memory/2748-15-0x0000000000400000-0x0000000000C20000-memory.dmp

Filesize
8.1MB

Download
memory/2748-11-0x0000000000400000-0x0000000000C20000-memory.dmp

Filesize
8.1MB

Download
memory/3016-3-0x00000000001B0000-0x00000000001C3000-memory.dmp

Filesize
76KB

Download
memory/3016-4-0x0000000000400000-0x0000000000C20000-memory.dmp

Filesize
8.1MB

Download
memory/3016-7-0x0000000000400000-0x0000000000C20000-memory.dmp

Filesize
8.1MB

Download
memory/3016-2-0x00000000002D0000-0x00000000003D0000-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