tofsee | 3f487cd4fe611496acdd0cb193385e2bb233d535e99b5f6caadcf172150f38a5

General

Target

f32bc79d3ad21de604fa37038da7e745_JaffaCakes118.exe
Size

14.5MB
MD5

f32bc79d3ad21de604fa37038da7e745
SHA1

51ce5b09338e62e7bd869cd2939c50ec011f1782
SHA256

3f487cd4fe611496acdd0cb193385e2bb233d535e99b5f6caadcf172150f38a5
SHA512

692cb21d4f9078953449114c7a3743fa201fdb391c89577a59c72d3e2bbc4f77174723a8f36f395cb508df82fbd24b989e11caa9c496f4ad85c9fc4931b45cdc
SSDEEP

196608:sb/////////////////////////////////////////////////////////////H:s

Score

10^/10

tofsee evasion persistence trojan

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

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\sjegljgf = "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

2444 netsh.exe

pid	process
2444	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\sjegljgf\ImagePath = "C:\\Windows\\SysWOW64\\sjegljgf\\jzzzofld.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2536 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

jzzzofld.exe

pid process

944 jzzzofld.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

jzzzofld.exe

description pid process target process

PID 944 set thread context of 2536 944 jzzzofld.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

2572 sc.exe
2832 sc.exe
2156 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2536	svchost.exe

pid	process
944	jzzzofld.exe

description	pid	process	target process
PID 944 set thread context of 2536	944	jzzzofld.exe	svchost.exe

pid	process
2572	sc.exe
2832	sc.exe
2156	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

f32bc79d3ad21de604fa37038da7e745_JaffaCakes118.exejzzzofld.exe

description	pid	process	target process
PID 2228 wrote to memory of 1744	2228	f32bc79d3ad21de604fa37038da7e745_JaffaCakes118.exe	cmd.exe
PID 2228 wrote to memory of 1744	2228	f32bc79d3ad21de604fa37038da7e745_JaffaCakes118.exe	cmd.exe
PID 2228 wrote to memory of 1744	2228	f32bc79d3ad21de604fa37038da7e745_JaffaCakes118.exe	cmd.exe
PID 2228 wrote to memory of 1744	2228	f32bc79d3ad21de604fa37038da7e745_JaffaCakes118.exe	cmd.exe
PID 2228 wrote to memory of 2520	2228	f32bc79d3ad21de604fa37038da7e745_JaffaCakes118.exe	cmd.exe
PID 2228 wrote to memory of 2520	2228	f32bc79d3ad21de604fa37038da7e745_JaffaCakes118.exe	cmd.exe
PID 2228 wrote to memory of 2520	2228	f32bc79d3ad21de604fa37038da7e745_JaffaCakes118.exe	cmd.exe
PID 2228 wrote to memory of 2520	2228	f32bc79d3ad21de604fa37038da7e745_JaffaCakes118.exe	cmd.exe
PID 2228 wrote to memory of 2572	2228	f32bc79d3ad21de604fa37038da7e745_JaffaCakes118.exe	sc.exe
PID 2228 wrote to memory of 2572	2228	f32bc79d3ad21de604fa37038da7e745_JaffaCakes118.exe	sc.exe
PID 2228 wrote to memory of 2572	2228	f32bc79d3ad21de604fa37038da7e745_JaffaCakes118.exe	sc.exe
PID 2228 wrote to memory of 2572	2228	f32bc79d3ad21de604fa37038da7e745_JaffaCakes118.exe	sc.exe
PID 2228 wrote to memory of 2832	2228	f32bc79d3ad21de604fa37038da7e745_JaffaCakes118.exe	sc.exe
PID 2228 wrote to memory of 2832	2228	f32bc79d3ad21de604fa37038da7e745_JaffaCakes118.exe	sc.exe
PID 2228 wrote to memory of 2832	2228	f32bc79d3ad21de604fa37038da7e745_JaffaCakes118.exe	sc.exe
PID 2228 wrote to memory of 2832	2228	f32bc79d3ad21de604fa37038da7e745_JaffaCakes118.exe	sc.exe
PID 2228 wrote to memory of 2156	2228	f32bc79d3ad21de604fa37038da7e745_JaffaCakes118.exe	sc.exe
PID 2228 wrote to memory of 2156	2228	f32bc79d3ad21de604fa37038da7e745_JaffaCakes118.exe	sc.exe
PID 2228 wrote to memory of 2156	2228	f32bc79d3ad21de604fa37038da7e745_JaffaCakes118.exe	sc.exe
PID 2228 wrote to memory of 2156	2228	f32bc79d3ad21de604fa37038da7e745_JaffaCakes118.exe	sc.exe
PID 2228 wrote to memory of 2444	2228	f32bc79d3ad21de604fa37038da7e745_JaffaCakes118.exe	netsh.exe
PID 2228 wrote to memory of 2444	2228	f32bc79d3ad21de604fa37038da7e745_JaffaCakes118.exe	netsh.exe
PID 2228 wrote to memory of 2444	2228	f32bc79d3ad21de604fa37038da7e745_JaffaCakes118.exe	netsh.exe
PID 2228 wrote to memory of 2444	2228	f32bc79d3ad21de604fa37038da7e745_JaffaCakes118.exe	netsh.exe
PID 944 wrote to memory of 2536	944	jzzzofld.exe	svchost.exe
PID 944 wrote to memory of 2536	944	jzzzofld.exe	svchost.exe
PID 944 wrote to memory of 2536	944	jzzzofld.exe	svchost.exe
PID 944 wrote to memory of 2536	944	jzzzofld.exe	svchost.exe
PID 944 wrote to memory of 2536	944	jzzzofld.exe	svchost.exe
PID 944 wrote to memory of 2536	944	jzzzofld.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\f32bc79d3ad21de604fa37038da7e745_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f32bc79d3ad21de604fa37038da7e745_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2228

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\sjegljgf\
2⤵
PID:1744

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\jzzzofld.exe" C:\Windows\SysWOW64\sjegljgf\
2⤵
PID:2520

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create sjegljgf binPath= "C:\Windows\SysWOW64\sjegljgf\jzzzofld.exe /d\"C:\Users\Admin\AppData\Local\Temp\f32bc79d3ad21de604fa37038da7e745_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:2572

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description sjegljgf "wifi internet conection"
2⤵
- Launches sc.exe
PID:2832

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start sjegljgf
2⤵
- Launches sc.exe
PID:2156

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:2444

C:\Windows\SysWOW64\sjegljgf\jzzzofld.exe
C:\Windows\SysWOW64\sjegljgf\jzzzofld.exe /d"C:\Users\Admin\AppData\Local\Temp\f32bc79d3ad21de604fa37038da7e745_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:944

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
PID:2536

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\jzzzofld.exe
Filesize
10.5MB

MD5
a94724ad7e598ac564dab496363d1ed8

SHA1
8359432828016342bfa9743fdae44830800306cc

SHA256
ac7b4fe779cef69ca5e64e263d50842c5aed2f48ab61947e5a2dcaa3c4172838

SHA512
3929b2a3802faf8415c4f6906e4798bfa9e00efe7e641959e3aacf3581feb238a002ca4312340e9390b54d1fa7a66049b35000a9fc3015eb733582b12c1f275a

Download Submit
memory/944-11-0x0000000000400000-0x0000000000870000-memory.dmp

Filesize
4.4MB

Download
memory/944-10-0x0000000000A40000-0x0000000000B40000-memory.dmp

Filesize
1024KB

Download
memory/944-15-0x0000000000400000-0x0000000000870000-memory.dmp

Filesize
4.4MB

Download
memory/2228-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2228-4-0x0000000000400000-0x0000000000870000-memory.dmp

Filesize
4.4MB

Download
memory/2228-7-0x0000000000400000-0x0000000000870000-memory.dmp

Filesize
4.4MB

Download
memory/2228-1-0x0000000000930000-0x0000000000A30000-memory.dmp

Filesize
1024KB

Download
memory/2536-9-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2536-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2536-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2536-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2536-19-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2536-20-0x0000000000080000-0x0000000000095000-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