e53a57b9be38e41edf2f8cb4161ad6e155bfcb24990b5e1adbf12c8ba675710b

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
09/08/2024, 07:56

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General

Target
80e2eb803bed9392466aa384bb8fcf79.rtf
Size 805KB
Sample240809-js1pmasblh
SHA256 e53a57b9be38e41edf2f8cb4161ad6e155bfcb24990b5e1adbf12c8ba675710b
MD5 80e2eb803bed9392466aa384bb8fcf79
SHA1 a1989067f27f57dc1902d8985462ef86e0eda704
SHA512 494ba355577e530239f62cc6da689cfc2df0ea939f93e8780e91b8e1ebfdba8b466229804009419944fd5e7f46c7e7dfbd8d19f8109e883b27b1d5467ac2410b
SSDEEP 6144:JwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAJ:r
MD5 SHA1 SHA512 SSDEEP

Score

4^/10

discovery

Malware Config

Signatures

Drops file in Windows directory 1 IoCs

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

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

pid	Process
2652	EQNEDT32.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2668	WINWORD.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2668	WINWORD.EXE
2668	WINWORD.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2668 wrote to memory of 2696	2668	WINWORD.EXE	33
PID 2668 wrote to memory of 2696	2668	WINWORD.EXE	33
PID 2668 wrote to memory of 2696	2668	WINWORD.EXE	33
PID 2668 wrote to memory of 2696	2668	WINWORD.EXE	33

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\80e2eb803bed9392466aa384bb8fcf79.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:2668
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:2696

C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
"C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding
1⤵
- System Location Discovery: System Language Discovery
- Launches Equation Editor
PID:2652

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Command and Control

Exfiltration

Impact

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Downloads

Normal.dotm

Path C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm
Size 19KB
SHA256 777f55be6b8dee517c08344f50b84b2190de3b8e9a03ba46794508bfc68a02f6
MD5 54c9439ad9860b88016a924aaf7904b8
SHA1 bb8472a4210e19aea39536df11c6df8200b4ad95
SHA512 bd5f25ceea636926359849b20943ddab42a0ec1e2ea7de14e9c1c335c749e4daac58a3fa763d261745894689355fa245dc8fd1150b26116c3ec671605fae564e
SSDEEP 384:Pjl/SU5IGV+yWG6F7//oXYoVi44GseiYAk/T4+XMAP2g:CGT3nQ4J3T4AF
MD5 SHA1 SHA512 SSDEEP

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memory/2668-0-0x000000002F061000-0x000000002F062000-memory.dmp

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memory/2668-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

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memory/2668-2-0x00000000712DD000-0x00000000712E8000-memory.dmp

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memory/2668-9-0x00000000712DD000-0x00000000712E8000-memory.dmp

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memory/2668-30-0x000000005FFF0000-0x0000000060000000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads