b367931a672519fd8d2c1dd045163d5254e508b30d74c6bd493ca64f0e5b626f

Analysis

max time kernel
141s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25/09/2024, 10:56

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General

Target

f5d9df99f37de85a1de2d69bc89f5e34_JaffaCakes118.exe
Size

43KB
MD5

f5d9df99f37de85a1de2d69bc89f5e34
SHA1

7b3830f068d01e22b632823aedbfad85a98d8439
SHA256

b367931a672519fd8d2c1dd045163d5254e508b30d74c6bd493ca64f0e5b626f
SHA512

42f886a6a6a9bbb0b473480d1bbdc5c9abd5396748400fc8a1e9481af80dd1bce15d9c1ee289b6c63a2bef23c44b14e0173f0829502aba8df92bacfedee9abd7
SSDEEP

768:ygOq9H5A6DIZekJeY5dPDH4uOy7GoCMcMBoWNQL3PZNLv6kE+yxYha5nm:119H5RUfH5dk6L1cMBXuZtsm

Score

8^/10

defense_evasion discovery persistence

Malware Config

Signatures

Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs

persistence

Terminal Services DLL

T1505.005

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\MediaCenter\Parameters\ServiceDll = "C:\\Windows\\system32\\RqmxtoC.dll"	f5d9df99f37de85a1de2d69bc89f5e34_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
2644	cmd.exe

Loads dropped DLL 2 IoCs

pid	Process
1580	f5d9df99f37de85a1de2d69bc89f5e34_JaffaCakes118.exe
2140	svchost.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\RqmxtoC.dll	f5d9df99f37de85a1de2d69bc89f5e34_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f5d9df99f37de85a1de2d69bc89f5e34_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1580	f5d9df99f37de85a1de2d69bc89f5e34_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1580 wrote to memory of 2644	1580	f5d9df99f37de85a1de2d69bc89f5e34_JaffaCakes118.exe	30
PID 1580 wrote to memory of 2644	1580	f5d9df99f37de85a1de2d69bc89f5e34_JaffaCakes118.exe	30
PID 1580 wrote to memory of 2644	1580	f5d9df99f37de85a1de2d69bc89f5e34_JaffaCakes118.exe	30
PID 1580 wrote to memory of 2644	1580	f5d9df99f37de85a1de2d69bc89f5e34_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\f5d9df99f37de85a1de2d69bc89f5e34_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f5d9df99f37de85a1de2d69bc89f5e34_JaffaCakes118.exe"
1⤵
- Server Software Component: Terminal Services DLL
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1580
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\F5D9DF~1.EXE > nul
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2644

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k krnlsrvc
1⤵
PID:1680

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k krnlsrvc
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:2140

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Server Software Component

T1505

Terminal Services DLL

T1505.005

Privilege Escalation

Defense Evasion

Indicator Removal

T1070

File Deletion

T1070.004

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Windows\SysWOW64\RqmxtoC.dll

Filesize
60KB

MD5
b53e57f88350ce088fe7fc7eb99cf245

SHA1
e2cb8fe17c89aa1188ffdcc588263d2e2f205df2

SHA256
d6abe038b3a2f64857b1ff7fbeb60bab64dcee3c43f85153d5a6155d352bd7e1

SHA512
f19464087903ac625a3942a90f7cda9ed4528653b5f84293fe2d6056bdd61e45d9bc275a8c445d5979ce95c5d10efd5d719fc57b1add03c8b65796d0cd6b7ff6

Download Submit
memory/1580-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1580-8-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

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