tofsee | c980f397ea8ed1320a3cb81a5e347bd60794bd54e2d7348aee8a7adea1b1beb4

General

Target

77dd2e67ae3a0d69f2c7b8d8619e9d9d_JaffaCakes118.exe
Size

142KB
MD5

77dd2e67ae3a0d69f2c7b8d8619e9d9d
SHA1

4736ebc4bcc6dea80889ca46575a0d9d10ee05f9
SHA256

c980f397ea8ed1320a3cb81a5e347bd60794bd54e2d7348aee8a7adea1b1beb4
SHA512

deb8ad9fd4693cb01d158a416105345c8a6e62690654bacfcc49947a684c87167618d1bfec1df83701d4e388ad00490771bf3ed47cc5d953b167fd0c6cbf2b5c
SSDEEP

3072:y9Tpm/Wn628w6rzTkYfiL2+jKfgi4m5nuGFU6W6WN06QUj:teizwFLnKP46uC2

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\zrglbgly = "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

2636 netsh.exe

pid	process
2636	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\zrglbgly\ImagePath = "C:\\Windows\\SysWOW64\\zrglbgly\\cttmwugu.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

3068 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

cttmwugu.exe

pid process

2524 cttmwugu.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

cttmwugu.exe

description pid process target process

PID 2524 set thread context of 3068 2524 cttmwugu.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

2288 sc.exe
2768 sc.exe
2676 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
3068	svchost.exe

pid	process
2524	cttmwugu.exe

description	pid	process	target process
PID 2524 set thread context of 3068	2524	cttmwugu.exe	svchost.exe

pid	process
2288	sc.exe
2768	sc.exe
2676	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

77dd2e67ae3a0d69f2c7b8d8619e9d9d_JaffaCakes118.execttmwugu.exe

description	pid	process	target process
PID 2180 wrote to memory of 3048	2180	77dd2e67ae3a0d69f2c7b8d8619e9d9d_JaffaCakes118.exe	cmd.exe
PID 2180 wrote to memory of 3048	2180	77dd2e67ae3a0d69f2c7b8d8619e9d9d_JaffaCakes118.exe	cmd.exe
PID 2180 wrote to memory of 3048	2180	77dd2e67ae3a0d69f2c7b8d8619e9d9d_JaffaCakes118.exe	cmd.exe
PID 2180 wrote to memory of 3048	2180	77dd2e67ae3a0d69f2c7b8d8619e9d9d_JaffaCakes118.exe	cmd.exe
PID 2180 wrote to memory of 2240	2180	77dd2e67ae3a0d69f2c7b8d8619e9d9d_JaffaCakes118.exe	cmd.exe
PID 2180 wrote to memory of 2240	2180	77dd2e67ae3a0d69f2c7b8d8619e9d9d_JaffaCakes118.exe	cmd.exe
PID 2180 wrote to memory of 2240	2180	77dd2e67ae3a0d69f2c7b8d8619e9d9d_JaffaCakes118.exe	cmd.exe
PID 2180 wrote to memory of 2240	2180	77dd2e67ae3a0d69f2c7b8d8619e9d9d_JaffaCakes118.exe	cmd.exe
PID 2180 wrote to memory of 2288	2180	77dd2e67ae3a0d69f2c7b8d8619e9d9d_JaffaCakes118.exe	sc.exe
PID 2180 wrote to memory of 2288	2180	77dd2e67ae3a0d69f2c7b8d8619e9d9d_JaffaCakes118.exe	sc.exe
PID 2180 wrote to memory of 2288	2180	77dd2e67ae3a0d69f2c7b8d8619e9d9d_JaffaCakes118.exe	sc.exe
PID 2180 wrote to memory of 2288	2180	77dd2e67ae3a0d69f2c7b8d8619e9d9d_JaffaCakes118.exe	sc.exe
PID 2180 wrote to memory of 2768	2180	77dd2e67ae3a0d69f2c7b8d8619e9d9d_JaffaCakes118.exe	sc.exe
PID 2180 wrote to memory of 2768	2180	77dd2e67ae3a0d69f2c7b8d8619e9d9d_JaffaCakes118.exe	sc.exe
PID 2180 wrote to memory of 2768	2180	77dd2e67ae3a0d69f2c7b8d8619e9d9d_JaffaCakes118.exe	sc.exe
PID 2180 wrote to memory of 2768	2180	77dd2e67ae3a0d69f2c7b8d8619e9d9d_JaffaCakes118.exe	sc.exe
PID 2180 wrote to memory of 2676	2180	77dd2e67ae3a0d69f2c7b8d8619e9d9d_JaffaCakes118.exe	sc.exe
PID 2180 wrote to memory of 2676	2180	77dd2e67ae3a0d69f2c7b8d8619e9d9d_JaffaCakes118.exe	sc.exe
PID 2180 wrote to memory of 2676	2180	77dd2e67ae3a0d69f2c7b8d8619e9d9d_JaffaCakes118.exe	sc.exe
PID 2180 wrote to memory of 2676	2180	77dd2e67ae3a0d69f2c7b8d8619e9d9d_JaffaCakes118.exe	sc.exe
PID 2180 wrote to memory of 2636	2180	77dd2e67ae3a0d69f2c7b8d8619e9d9d_JaffaCakes118.exe	netsh.exe
PID 2180 wrote to memory of 2636	2180	77dd2e67ae3a0d69f2c7b8d8619e9d9d_JaffaCakes118.exe	netsh.exe
PID 2180 wrote to memory of 2636	2180	77dd2e67ae3a0d69f2c7b8d8619e9d9d_JaffaCakes118.exe	netsh.exe
PID 2180 wrote to memory of 2636	2180	77dd2e67ae3a0d69f2c7b8d8619e9d9d_JaffaCakes118.exe	netsh.exe
PID 2524 wrote to memory of 3068	2524	cttmwugu.exe	svchost.exe
PID 2524 wrote to memory of 3068	2524	cttmwugu.exe	svchost.exe
PID 2524 wrote to memory of 3068	2524	cttmwugu.exe	svchost.exe
PID 2524 wrote to memory of 3068	2524	cttmwugu.exe	svchost.exe
PID 2524 wrote to memory of 3068	2524	cttmwugu.exe	svchost.exe
PID 2524 wrote to memory of 3068	2524	cttmwugu.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\77dd2e67ae3a0d69f2c7b8d8619e9d9d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\77dd2e67ae3a0d69f2c7b8d8619e9d9d_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2180
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\zrglbgly\
  2⤵
  PID:3048
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\cttmwugu.exe" C:\Windows\SysWOW64\zrglbgly\
  2⤵
  PID:2240
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create zrglbgly binPath= "C:\Windows\SysWOW64\zrglbgly\cttmwugu.exe /d\"C:\Users\Admin\AppData\Local\Temp\77dd2e67ae3a0d69f2c7b8d8619e9d9d_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  PID:2288
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description zrglbgly "wifi internet conection"
  2⤵
  - Launches sc.exe
  PID:2768
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start zrglbgly
  2⤵
  - Launches sc.exe
  PID:2676
- 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:2636

C:\Windows\SysWOW64\zrglbgly\cttmwugu.exe
C:\Windows\SysWOW64\zrglbgly\cttmwugu.exe /d"C:\Users\Admin\AppData\Local\Temp\77dd2e67ae3a0d69f2c7b8d8619e9d9d_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2524
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Windows security bypass
  - Sets service image path in registry
  - Deletes itself
  PID:3068

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\cttmwugu.exe

Filesize
11.0MB

MD5
9e8e5030c89435ccb767df098430a2c9

SHA1
34a5afbd88af8244a3e887266c656d13d53a43ac

SHA256
349adc1fe7085881c1b23eb9e9bc5a99c3d4f44e544d7878d2745e6cdf6c17db

SHA512
3b23f1cab951cf4fb7745828635882235bc51aa0be68613ebc2ba4bc9716b5548985deef18e6fd8bf47223e2f715cd9c0e83daebfe601108e3fbc5aad8f2da20

Download Submit
memory/2180-0-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2180-2-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/2180-1-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/2180-6-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2524-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2524-13-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/3068-8-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3068-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3068-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3068-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3068-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads