15c24c6c2832fef3ae6d2cb5b823f5402388007e941b26ca354ea3080939230c

Analysis

max time kernel
101s
max time network
43s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
26-08-2024 13:28

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General

Target

c317e891afb3c78811b17089729d2f66_JaffaCakes118.rtf
Size

68KB
MD5

c317e891afb3c78811b17089729d2f66
SHA1

2d8c26a1b70615e15c882a9a4c43091b61f499f1
SHA256

15c24c6c2832fef3ae6d2cb5b823f5402388007e941b26ca354ea3080939230c
SHA512

8c511fb0b6abd85f7092801c6912422fd2df346a620bb651bcc8ed95d6698814ca8022fef4f392b7d5c5c54c3e95f2e051ae7aa09215c66bd5b263bbeab61369
SSDEEP

1536:7UX3fathx6438Kk6A2VtQSZS8M5zCyE+qwFwl2VoZqsukY1AQjOK5avdX0aW:7o3fOhx3fk6LVtQSZS8A2yJqwFwlZqsw

Score

8^/10

discovery

Malware Config

Signatures

Blocklisted process makes network request 6 IoCs

Processes:

EQNEDT32.EXE

flow pid process

4 2180 EQNEDT32.EXE
6 2180 EQNEDT32.EXE
8 2180 EQNEDT32.EXE
10 2180 EQNEDT32.EXE
12 2180 EQNEDT32.EXE
14 2180 EQNEDT32.EXE
Drops file in Windows directory 1 IoCs

Processes:

WINWORD.EXE

description ioc process

File opened for modification C:\Windows\Debug\WIA\wiatrace.log WINWORD.EXE

flow	pid	process
4	2180	EQNEDT32.EXE
6	2180	EQNEDT32.EXE
8	2180	EQNEDT32.EXE
10	2180	EQNEDT32.EXE
12	2180	EQNEDT32.EXE
14	2180	EQNEDT32.EXE

description	ioc	process
File opened for modification	C:\Windows\Debug\WIA\wiatrace.log	WINWORD.EXE

System Location Discovery: System Language Discovery 1 TTPs 2 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

Processes:

WINWORD.EXEEQNEDT32.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EQNEDT32.EXE

Office loads VBA resources, possible macro or embedded object present
Launches Equation Editor 1 TTPs 1 IoCs
Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.
exploit

Exploitation for Client Execution
T1203

Processes:

EQNEDT32.EXE

pid process

2180 EQNEDT32.EXE
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid process

1140 WINWORD.EXE
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

WINWORD.EXE

pid process

1140 WINWORD.EXE
1140 WINWORD.EXE

pid	process
2180	EQNEDT32.EXE

pid	process
1140	WINWORD.EXE

pid	process
1140	WINWORD.EXE
1140	WINWORD.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

WINWORD.EXE

description	pid	process	target process
PID 1140 wrote to memory of 3004	1140	WINWORD.EXE	splwow64.exe
PID 1140 wrote to memory of 3004	1140	WINWORD.EXE	splwow64.exe
PID 1140 wrote to memory of 3004	1140	WINWORD.EXE	splwow64.exe
PID 1140 wrote to memory of 3004	1140	WINWORD.EXE	splwow64.exe

C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\c317e891afb3c78811b17089729d2f66_JaffaCakes118.rtf"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1140

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:3004

C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
"C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding
1⤵
- Blocklisted process makes network request
- System Location Discovery: System Language Discovery
- Launches Equation Editor
PID:2180

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Exploitation for Client Execution

T1203

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\CabF3A4.tmp
Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarF3F5.tmp
Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm
Filesize
19KB

MD5
d1a7b1a41de2a6f83ee82c91da4bb8cd

SHA1
6f7243d7ae1e4dddd4ef9a9308ff40dfbcfaeace

SHA256
079e2754572f57c4eec8c7b3dd42b02502f91b4cad5b4ea4dc1a7e600bfe3980

SHA512
89f7269c4bda8fb9562c5a8d98d3aabac7989b0b9c1c592ee44bcc98b5c8abe6fbf61798d441c9a430d00c447716477a3e9141d1541b13c60d2d10cc4aff05b4

Download Submit
memory/1140-0-0x000000002F831000-0x000000002F832000-memory.dmp

Filesize
4KB

Download
memory/1140-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1140-2-0x0000000070EAD000-0x0000000070EB8000-memory.dmp

Filesize
44KB

Download
memory/1140-63-0x0000000070EAD000-0x0000000070EB8000-memory.dmp

Filesize
44KB

Download
memory/1140-81-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

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