ddfaf178cd5ea6decc275fa0a3d27bade27c40b7cd0ac8a086a615e296ce0377

General

Target

ddfaf178cd5ea6decc275fa0a3d27bade27c40b7cd0ac8a086a615e296ce0377.xlsm
Size

83KB
MD5

0c6adea1eff64b8f701e18a8c9e5284d
SHA1

958197aca69eabbf0d6717e880ac3bb7d49a4d7a
SHA256

ddfaf178cd5ea6decc275fa0a3d27bade27c40b7cd0ac8a086a615e296ce0377
SHA512

7a01ec8855b51239dc59497bbc4e5b0da0f1d796963a6981842660fe734e05a48689ce3df35f9372068526b2217327eb5123d9a61631abec0b3a7db65c47fa02

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://robotically.xyz/wp-content/XtKkx/

Signatures

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

rundll32.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3716	2784	rundll32.exe	EXCEL.EXE

Blocklisted process makes network request 3 IoCs

Processes:

rundll32.exe

flow pid process

43 1308 rundll32.exe
44 1308 rundll32.exe
46 1308 rundll32.exe
Downloads MZ/PE file
Loads dropped DLL 2 IoCs

Processes:

rundll32.exerundll32.exe

pid process

3716 rundll32.exe
1928 rundll32.exe
Drops file in System32 directory 1 IoCs

Processes:

rundll32.exe

description ioc process

File opened for modification C:\Windows\SysWOW64\Idrxkdfidumspleu\wlpihurqn.bgh rundll32.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

flow	pid	process
43	1308	rundll32.exe
44	1308	rundll32.exe
46	1308	rundll32.exe

pid	process
3716	rundll32.exe
1928	rundll32.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\Idrxkdfidumspleu\wlpihurqn.bgh	rundll32.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

2784 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2784	EXCEL.EXE
2784	EXCEL.EXE
2784	EXCEL.EXE
2784	EXCEL.EXE
2784	EXCEL.EXE
2784	EXCEL.EXE
2784	EXCEL.EXE
2784	EXCEL.EXE
2784	EXCEL.EXE
2784	EXCEL.EXE
2784	EXCEL.EXE
2784	EXCEL.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

EXCEL.EXErundll32.exerundll32.exerundll32.exe

description	pid	process	target process
PID 2784 wrote to memory of 3716	2784	EXCEL.EXE	rundll32.exe
PID 2784 wrote to memory of 3716	2784	EXCEL.EXE	rundll32.exe
PID 2784 wrote to memory of 3716	2784	EXCEL.EXE	rundll32.exe
PID 3716 wrote to memory of 1928	3716	rundll32.exe	rundll32.exe
PID 3716 wrote to memory of 1928	3716	rundll32.exe	rundll32.exe
PID 3716 wrote to memory of 1928	3716	rundll32.exe	rundll32.exe
PID 1928 wrote to memory of 2264	1928	rundll32.exe	rundll32.exe
PID 1928 wrote to memory of 2264	1928	rundll32.exe	rundll32.exe
PID 1928 wrote to memory of 2264	1928	rundll32.exe	rundll32.exe
PID 2264 wrote to memory of 1308	2264	rundll32.exe	rundll32.exe
PID 2264 wrote to memory of 1308	2264	rundll32.exe	rundll32.exe
PID 2264 wrote to memory of 1308	2264	rundll32.exe	rundll32.exe

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\ddfaf178cd5ea6decc275fa0a3d27bade27c40b7cd0ac8a086a615e296ce0377.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2784

C:\Windows\SysWow64\rundll32.exe
C:\Windows\SysWow64\rundll32.exe ..\wxeu.ocx,D"&"l"&"lR"&"egister"&"Serve"&"r
2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3716

C:\Windows\SysWOW64\rundll32.exe
C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\wxeu.ocx",DllRegisterServer
3⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1928

C:\Windows\SysWOW64\rundll32.exe
C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Idrxkdfidumspleu\wlpihurqn.bgh",kpjqi
4⤵
- Suspicious use of WriteProcessMemory
PID:2264

C:\Windows\SysWOW64\rundll32.exe
C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Idrxkdfidumspleu\wlpihurqn.bgh",DllRegisterServer
5⤵
- Blocklisted process makes network request
PID:1308

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

3

T1082

Query Registry

2

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\wxeu.ocx
MD5
0533206eba317ba2d1373503879a576d

SHA1
6e0f25c553c2617c6aa846496123fcee25cf1b9f

SHA256
0c1dc22b7f6c4e288bee9869d6a2ea416e7aaf10964c7a0d2cc9067218e3dd7f

SHA512
556236aeea3e2495f68a5f67b469e6a027b12e906b7cb39da02794c80996c570f413917279ffd86b6245651033d2069cee1a9337f26db08a71de812c54063b23

Download Submit
\Users\Admin\wxeu.ocx
MD5
0533206eba317ba2d1373503879a576d

SHA1
6e0f25c553c2617c6aa846496123fcee25cf1b9f

SHA256
0c1dc22b7f6c4e288bee9869d6a2ea416e7aaf10964c7a0d2cc9067218e3dd7f

SHA512
556236aeea3e2495f68a5f67b469e6a027b12e906b7cb39da02794c80996c570f413917279ffd86b6245651033d2069cee1a9337f26db08a71de812c54063b23

Download Submit
\Users\Admin\wxeu.ocx
MD5
0533206eba317ba2d1373503879a576d

SHA1
6e0f25c553c2617c6aa846496123fcee25cf1b9f

SHA256
0c1dc22b7f6c4e288bee9869d6a2ea416e7aaf10964c7a0d2cc9067218e3dd7f

SHA512
556236aeea3e2495f68a5f67b469e6a027b12e906b7cb39da02794c80996c570f413917279ffd86b6245651033d2069cee1a9337f26db08a71de812c54063b23

Download Submit
memory/1308-283-0x0000000000000000-mapping.dmp

Download
memory/1928-261-0x0000000000000000-mapping.dmp

Download
memory/2264-278-0x0000000000000000-mapping.dmp

Download
memory/2784-118-0x00007FFEC7750000-0x00007FFEC7760000-memory.dmp

Filesize
64KB

Download
memory/2784-122-0x0000023D9FFB0000-0x0000023D9FFB2000-memory.dmp

Filesize
8KB

Download
memory/2784-121-0x00007FFEC7750000-0x00007FFEC7760000-memory.dmp

Filesize
64KB

Download
memory/2784-120-0x0000023D9FFB0000-0x0000023D9FFB2000-memory.dmp

Filesize
8KB

Download
memory/2784-119-0x0000023D9FFB0000-0x0000023D9FFB2000-memory.dmp

Filesize
8KB

Download
memory/2784-115-0x00007FFEC7750000-0x00007FFEC7760000-memory.dmp

Filesize
64KB

Download
memory/2784-117-0x00007FFEC7750000-0x00007FFEC7760000-memory.dmp

Filesize
64KB

Download
memory/2784-116-0x00007FFEC7750000-0x00007FFEC7760000-memory.dmp

Filesize
64KB

Download
memory/3716-256-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads