4ed248badfdf758abddf87a8fc400e7559713280a27439955e9044def0bcd3a0

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
25-09-2024 07:03

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

decrypted.xlsx
Size

2.2MB
MD5

1d649b2090c62a442f862843df0007d2
SHA1

6629736d6020c5c9e90266b0b24b9eb4d5cd54a3
SHA256

fd3203c579dc339fa693d799f2b30f2be07b9122dadaa66071ef02a8349069eb
SHA512

893b516f22f606b60133c31750fa70e3c267b2c2d81924ad735a7cc0729ca7a4929a0f2dd349dbae2c1f5ef5f67db94af58177783248add243f2278d7cfdf892
SSDEEP

49152:gp5I3VfVZ7AwHcuQyHkVzN0vn1DWcEyWGmsPUbCAU1Oc+iw:gSF8w8u/IN0/FWcEy/msPGc7w

Score

8^/10

discovery

Malware Config

Signatures

Blocklisted process makes network request 2 IoCs

flow	pid	Process
4	2944	EQNEDT32.EXE
6	2944	EQNEDT32.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	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EQNEDT32.EXE

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor	EXCEL.EXE

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
2944	EQNEDT32.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
3060	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3060	EXCEL.EXE
3060	EXCEL.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
3060	EXCEL.EXE
3060	EXCEL.EXE
3060	EXCEL.EXE

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\decrypted.xlsx
1⤵
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:3060

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:2944

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

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\Cab8BA.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar8EB.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/2944-110-0x0000000005100000-0x0000000005101000-memory.dmp

Filesize
4KB

Download
memory/3060-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/3060-1-0x000000007298D000-0x0000000072998000-memory.dmp

Filesize
44KB

Download
memory/3060-111-0x000000007298D000-0x0000000072998000-memory.dmp

Filesize
44KB

Download
memory/3060-116-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/3060-119-0x000000007298D000-0x0000000072998000-memory.dmp

Filesize
44KB

Download