tofsee | b3849e6d7b97c3d7e4f1668975783d4432a38b6d4f0c5970d9206871de2caa82

General

Target

fdf2c167e3038cd40538ca5a83bddd48_JaffaCakes118.exe
Size

14.1MB
MD5

fdf2c167e3038cd40538ca5a83bddd48
SHA1

ac0c3a598aa28568a5d28d1fc262207f0345c5bc
SHA256

b3849e6d7b97c3d7e4f1668975783d4432a38b6d4f0c5970d9206871de2caa82
SHA512

7cc57649f935d385403e1202c6774b6eda4f79f80aa07cfdd49924368a201d5f0ad3680f0086a912495b7b0db3afea2240d75a1569af99ff8676cdc4c6fb24cb
SSDEEP

6144:Li0TTXfKNnKjmm+AJl6MBK0/etgnc0ArFuyXgWNInP:lKNKjmm+AJlznetgABufeI

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\ayceban = "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

2556 netsh.exe

pid	process
2556	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\ayceban\ImagePath = "C:\\Windows\\SysWOW64\\ayceban\\qrtuorme.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2428 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

qrtuorme.exe

pid process

2128 qrtuorme.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

qrtuorme.exe

description pid process target process

PID 2128 set thread context of 2428 2128 qrtuorme.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

2668 sc.exe
2504 sc.exe
2644 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2428	svchost.exe

pid	process
2128	qrtuorme.exe

description	pid	process	target process
PID 2128 set thread context of 2428	2128	qrtuorme.exe	svchost.exe

pid	process
2668	sc.exe
2504	sc.exe
2644	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

fdf2c167e3038cd40538ca5a83bddd48_JaffaCakes118.exeqrtuorme.exe

description	pid	process	target process
PID 1368 wrote to memory of 2164	1368	fdf2c167e3038cd40538ca5a83bddd48_JaffaCakes118.exe	cmd.exe
PID 1368 wrote to memory of 2164	1368	fdf2c167e3038cd40538ca5a83bddd48_JaffaCakes118.exe	cmd.exe
PID 1368 wrote to memory of 2164	1368	fdf2c167e3038cd40538ca5a83bddd48_JaffaCakes118.exe	cmd.exe
PID 1368 wrote to memory of 2164	1368	fdf2c167e3038cd40538ca5a83bddd48_JaffaCakes118.exe	cmd.exe
PID 1368 wrote to memory of 2896	1368	fdf2c167e3038cd40538ca5a83bddd48_JaffaCakes118.exe	cmd.exe
PID 1368 wrote to memory of 2896	1368	fdf2c167e3038cd40538ca5a83bddd48_JaffaCakes118.exe	cmd.exe
PID 1368 wrote to memory of 2896	1368	fdf2c167e3038cd40538ca5a83bddd48_JaffaCakes118.exe	cmd.exe
PID 1368 wrote to memory of 2896	1368	fdf2c167e3038cd40538ca5a83bddd48_JaffaCakes118.exe	cmd.exe
PID 1368 wrote to memory of 2668	1368	fdf2c167e3038cd40538ca5a83bddd48_JaffaCakes118.exe	sc.exe
PID 1368 wrote to memory of 2668	1368	fdf2c167e3038cd40538ca5a83bddd48_JaffaCakes118.exe	sc.exe
PID 1368 wrote to memory of 2668	1368	fdf2c167e3038cd40538ca5a83bddd48_JaffaCakes118.exe	sc.exe
PID 1368 wrote to memory of 2668	1368	fdf2c167e3038cd40538ca5a83bddd48_JaffaCakes118.exe	sc.exe
PID 1368 wrote to memory of 2504	1368	fdf2c167e3038cd40538ca5a83bddd48_JaffaCakes118.exe	sc.exe
PID 1368 wrote to memory of 2504	1368	fdf2c167e3038cd40538ca5a83bddd48_JaffaCakes118.exe	sc.exe
PID 1368 wrote to memory of 2504	1368	fdf2c167e3038cd40538ca5a83bddd48_JaffaCakes118.exe	sc.exe
PID 1368 wrote to memory of 2504	1368	fdf2c167e3038cd40538ca5a83bddd48_JaffaCakes118.exe	sc.exe
PID 1368 wrote to memory of 2644	1368	fdf2c167e3038cd40538ca5a83bddd48_JaffaCakes118.exe	sc.exe
PID 1368 wrote to memory of 2644	1368	fdf2c167e3038cd40538ca5a83bddd48_JaffaCakes118.exe	sc.exe
PID 1368 wrote to memory of 2644	1368	fdf2c167e3038cd40538ca5a83bddd48_JaffaCakes118.exe	sc.exe
PID 1368 wrote to memory of 2644	1368	fdf2c167e3038cd40538ca5a83bddd48_JaffaCakes118.exe	sc.exe
PID 1368 wrote to memory of 2556	1368	fdf2c167e3038cd40538ca5a83bddd48_JaffaCakes118.exe	netsh.exe
PID 1368 wrote to memory of 2556	1368	fdf2c167e3038cd40538ca5a83bddd48_JaffaCakes118.exe	netsh.exe
PID 1368 wrote to memory of 2556	1368	fdf2c167e3038cd40538ca5a83bddd48_JaffaCakes118.exe	netsh.exe
PID 1368 wrote to memory of 2556	1368	fdf2c167e3038cd40538ca5a83bddd48_JaffaCakes118.exe	netsh.exe
PID 2128 wrote to memory of 2428	2128	qrtuorme.exe	svchost.exe
PID 2128 wrote to memory of 2428	2128	qrtuorme.exe	svchost.exe
PID 2128 wrote to memory of 2428	2128	qrtuorme.exe	svchost.exe
PID 2128 wrote to memory of 2428	2128	qrtuorme.exe	svchost.exe
PID 2128 wrote to memory of 2428	2128	qrtuorme.exe	svchost.exe
PID 2128 wrote to memory of 2428	2128	qrtuorme.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\fdf2c167e3038cd40538ca5a83bddd48_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fdf2c167e3038cd40538ca5a83bddd48_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1368

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ayceban\
2⤵
PID:2164

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qrtuorme.exe" C:\Windows\SysWOW64\ayceban\
2⤵
PID:2896

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create ayceban binPath= "C:\Windows\SysWOW64\ayceban\qrtuorme.exe /d\"C:\Users\Admin\AppData\Local\Temp\fdf2c167e3038cd40538ca5a83bddd48_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:2668

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description ayceban "wifi internet conection"
2⤵
- Launches sc.exe
PID:2504

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start ayceban
2⤵
- Launches sc.exe
PID:2644

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:2556

C:\Windows\SysWOW64\ayceban\qrtuorme.exe
C:\Windows\SysWOW64\ayceban\qrtuorme.exe /d"C:\Users\Admin\AppData\Local\Temp\fdf2c167e3038cd40538ca5a83bddd48_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2128

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
PID:2428

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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\qrtuorme.exe

Filesize
10.5MB

MD5
14fcb107b157c864d88d4bac982864eb

SHA1
50cc26e88bf586edd54595cbd54cc9f8bf5f6aa1

SHA256
36786ab509cbaa8652d142287423c7a508d7bf1814ea8c6aed3ee78d51ec3e64

SHA512
291d1b8d2e6c8f8679f151739c617b2513bb2065d018be6d585b271fff5fe96711d95ae5cae2279f8155f773e32714a5384aae7cb4143aee32e66acbc46d92c6

Download Submit
memory/1368-1-0x0000000000D30000-0x0000000000E30000-memory.dmp

Filesize
1024KB

Download
memory/1368-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/1368-4-0x0000000000400000-0x00000000008E9000-memory.dmp

Filesize
4.9MB

Download
memory/1368-8-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/1368-7-0x0000000000400000-0x00000000008E9000-memory.dmp

Filesize
4.9MB

Download
memory/2128-10-0x0000000000AA0000-0x0000000000BA0000-memory.dmp

Filesize
1024KB

Download
memory/2128-11-0x0000000000400000-0x00000000008E9000-memory.dmp

Filesize
4.9MB

Download
memory/2128-17-0x0000000000400000-0x00000000008E9000-memory.dmp

Filesize
4.9MB

Download
memory/2428-12-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2428-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2428-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2428-20-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2428-21-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2428-22-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads