tofsee | 5134552a33b485a25270b8b78068b22fb46ff20267f92f690ee31a2046b9297d

General

Target

9acfb27a482a0ac42cd9caf72a24545c_JaffaCakes118.exe
Size

352KB
MD5

9acfb27a482a0ac42cd9caf72a24545c
SHA1

b8c2d6639427c9343383ce21eff355974ea550a4
SHA256

5134552a33b485a25270b8b78068b22fb46ff20267f92f690ee31a2046b9297d
SHA512

edf966e22dba430d66718ae0a7cfc6d2b4c5b92a3eb8092872dbfb8221bc70bcb868c4a044e9323923582b3cb0d4580d7eb81201282119ff3a33c94995b9014f
SSDEEP

6144:OqxxwoLIoklLgkgguVHkb/a3hftL4nzgvwZL:zldkl61VEb/a3BtL4nzgA

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
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

1100 netsh.exe

pid	process
1100	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\lyquiltd\ImagePath = "C:\\Windows\\SysWOW64\\lyquiltd\\cpdgiigt.exe"	svchost.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

9acfb27a482a0ac42cd9caf72a24545c_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\International\Geo\Nation	9acfb27a482a0ac42cd9caf72a24545c_JaffaCakes118.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

440 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

cpdgiigt.exe

pid process

2884 cpdgiigt.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

cpdgiigt.exe

description pid process target process

PID 2884 set thread context of 440 2884 cpdgiigt.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

2856 sc.exe
2008 sc.exe
560 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
440	svchost.exe

pid	process
2884	cpdgiigt.exe

description	pid	process	target process
PID 2884 set thread context of 440	2884	cpdgiigt.exe	svchost.exe

pid	process
2856	sc.exe
2008	sc.exe
560	sc.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

9acfb27a482a0ac42cd9caf72a24545c_JaffaCakes118.execpdgiigt.exe

description	pid	process	target process
PID 4564 wrote to memory of 4680	4564	9acfb27a482a0ac42cd9caf72a24545c_JaffaCakes118.exe	cmd.exe
PID 4564 wrote to memory of 4680	4564	9acfb27a482a0ac42cd9caf72a24545c_JaffaCakes118.exe	cmd.exe
PID 4564 wrote to memory of 4680	4564	9acfb27a482a0ac42cd9caf72a24545c_JaffaCakes118.exe	cmd.exe
PID 4564 wrote to memory of 1648	4564	9acfb27a482a0ac42cd9caf72a24545c_JaffaCakes118.exe	cmd.exe
PID 4564 wrote to memory of 1648	4564	9acfb27a482a0ac42cd9caf72a24545c_JaffaCakes118.exe	cmd.exe
PID 4564 wrote to memory of 1648	4564	9acfb27a482a0ac42cd9caf72a24545c_JaffaCakes118.exe	cmd.exe
PID 4564 wrote to memory of 2008	4564	9acfb27a482a0ac42cd9caf72a24545c_JaffaCakes118.exe	sc.exe
PID 4564 wrote to memory of 2008	4564	9acfb27a482a0ac42cd9caf72a24545c_JaffaCakes118.exe	sc.exe
PID 4564 wrote to memory of 2008	4564	9acfb27a482a0ac42cd9caf72a24545c_JaffaCakes118.exe	sc.exe
PID 4564 wrote to memory of 560	4564	9acfb27a482a0ac42cd9caf72a24545c_JaffaCakes118.exe	sc.exe
PID 4564 wrote to memory of 560	4564	9acfb27a482a0ac42cd9caf72a24545c_JaffaCakes118.exe	sc.exe
PID 4564 wrote to memory of 560	4564	9acfb27a482a0ac42cd9caf72a24545c_JaffaCakes118.exe	sc.exe
PID 4564 wrote to memory of 2856	4564	9acfb27a482a0ac42cd9caf72a24545c_JaffaCakes118.exe	sc.exe
PID 4564 wrote to memory of 2856	4564	9acfb27a482a0ac42cd9caf72a24545c_JaffaCakes118.exe	sc.exe
PID 4564 wrote to memory of 2856	4564	9acfb27a482a0ac42cd9caf72a24545c_JaffaCakes118.exe	sc.exe
PID 4564 wrote to memory of 1100	4564	9acfb27a482a0ac42cd9caf72a24545c_JaffaCakes118.exe	netsh.exe
PID 4564 wrote to memory of 1100	4564	9acfb27a482a0ac42cd9caf72a24545c_JaffaCakes118.exe	netsh.exe
PID 4564 wrote to memory of 1100	4564	9acfb27a482a0ac42cd9caf72a24545c_JaffaCakes118.exe	netsh.exe
PID 2884 wrote to memory of 440	2884	cpdgiigt.exe	svchost.exe
PID 2884 wrote to memory of 440	2884	cpdgiigt.exe	svchost.exe
PID 2884 wrote to memory of 440	2884	cpdgiigt.exe	svchost.exe
PID 2884 wrote to memory of 440	2884	cpdgiigt.exe	svchost.exe
PID 2884 wrote to memory of 440	2884	cpdgiigt.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\9acfb27a482a0ac42cd9caf72a24545c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\9acfb27a482a0ac42cd9caf72a24545c_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4564

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\lyquiltd\
2⤵
PID:4680

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\cpdgiigt.exe" C:\Windows\SysWOW64\lyquiltd\
2⤵
PID:1648

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create lyquiltd binPath= "C:\Windows\SysWOW64\lyquiltd\cpdgiigt.exe /d\"C:\Users\Admin\AppData\Local\Temp\9acfb27a482a0ac42cd9caf72a24545c_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:2008

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description lyquiltd "wifi internet conection"
2⤵
- Launches sc.exe
PID:560

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start lyquiltd
2⤵
- Launches sc.exe
PID:2856

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:1100

C:\Windows\SysWOW64\lyquiltd\cpdgiigt.exe
C:\Windows\SysWOW64\lyquiltd\cpdgiigt.exe /d"C:\Users\Admin\AppData\Local\Temp\9acfb27a482a0ac42cd9caf72a24545c_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2884

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Sets service image path in registry
- Deletes itself
PID:440

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

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\cpdgiigt.exe

Filesize
11.5MB

MD5
607c5e2729e22c662bf72bf9efdddb9f

SHA1
ed8d215872684fc60e2b6ff67f7ac0e34eeaeafa

SHA256
167da49c0638fa96ee64e7e375beb6dde5604faa02ddde2b98b6f726c805362e

SHA512
86bb716526000ee220aa9ca17618222379486a1217cbfe21aa8e4281bf6870f2a5c28338f1df7a1c6ba462717ff34f7390b42aea408c977a05f760a10ca926c7

Download Submit
memory/440-11-0x0000000000EF0000-0x0000000000F05000-memory.dmp

Filesize
84KB

Download
memory/440-14-0x0000000000EF0000-0x0000000000F05000-memory.dmp

Filesize
84KB

Download
memory/440-16-0x0000000000EF0000-0x0000000000F05000-memory.dmp

Filesize
84KB

Download
memory/2884-9-0x0000000000400000-0x0000000000505000-memory.dmp

Filesize
1.0MB

Download
memory/2884-10-0x0000000000400000-0x0000000000505000-memory.dmp

Filesize
1.0MB

Download
memory/2884-15-0x0000000000400000-0x0000000000505000-memory.dmp

Filesize
1.0MB

Download
memory/4564-1-0x00000000007D0000-0x00000000008D0000-memory.dmp

Filesize
1024KB

Download
memory/4564-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4564-7-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4564-6-0x0000000000400000-0x0000000000505000-memory.dmp

Filesize
1.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads