62aa0bc0617f8f40908642b1e9b933ef99c9b9a46e7fd061ad689eff28a438fa

General

Target

?i=1eplqadwm.xls
Size

106KB
MD5

db64d5b887a8228c75b3b7bdadc0245e
SHA1

38f8f6163b8620f23e380faed62f8fe39521da13
SHA256

62aa0bc0617f8f40908642b1e9b933ef99c9b9a46e7fd061ad689eff28a438fa
SHA512

5ae443ee355b785e19dd5cd8695d9523e02080fdb36b8a465e56a8e667f081fd44a888d579597ea573e4d8dedd747df3d1943e2f150f01e81939bba0ba3117a8

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://dougveeder.com/cgi-bin/xJ91ZttGRioQ7IUL/

Signatures

Process spawned unexpected child process 1 IoCs

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

description	pid	pid_target	Process	procid_target
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3632	4768	regsvr32.exe	78

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

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

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

pid	Process
4768	EXCEL.EXE

Suspicious use of SetWindowsHookEx 13 IoCs

pid	Process
4768	EXCEL.EXE
4768	EXCEL.EXE
4768	EXCEL.EXE
4768	EXCEL.EXE
4768	EXCEL.EXE
4768	EXCEL.EXE
4768	EXCEL.EXE
4768	EXCEL.EXE
4768	EXCEL.EXE
4768	EXCEL.EXE
4768	EXCEL.EXE
4768	EXCEL.EXE
4768	EXCEL.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4768 wrote to memory of 3632	4768	EXCEL.EXE	84
PID 4768 wrote to memory of 3632	4768	EXCEL.EXE	84
PID 4768 wrote to memory of 3632	4768	EXCEL.EXE	84

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\_i=1eplqadwm.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4768
- C:\Windows\SysWow64\regsvr32.exe
  C:\Windows\SysWow64\regsvr32.exe -s ..\hdrh.dll
  2⤵
  - Process spawned unexpected child process
  PID:3632

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\hdrh.dll

Filesize
72KB

MD5
f4c23af6c95edae80cd023ed68c1e959

SHA1
b85e032fe7ceed21fdba7531fe2558e6f38305f0

SHA256
83346f38d6dd343ae526defbab04aade93c3de4ce20cb4b1e6fbeb8785883d1c

SHA512
32455ad07c3f9a5fc86664002aa086891f9c03a8d7438e2266da67189cfb9922e148136335e872c8b729a6581e9003920dea3e0f4ea095e61dfee153228ef726

Download Submit
memory/4768-130-0x00007FFA99C90000-0x00007FFA99CA0000-memory.dmp

Filesize
64KB

Download
memory/4768-131-0x00007FFA99C90000-0x00007FFA99CA0000-memory.dmp

Filesize
64KB

Download
memory/4768-132-0x00007FFA99C90000-0x00007FFA99CA0000-memory.dmp

Filesize
64KB

Download
memory/4768-133-0x00007FFA99C90000-0x00007FFA99CA0000-memory.dmp

Filesize
64KB

Download
memory/4768-134-0x00007FFA99C90000-0x00007FFA99CA0000-memory.dmp

Filesize
64KB

Download
memory/4768-135-0x00007FFA978B0000-0x00007FFA978C0000-memory.dmp

Filesize
64KB

Download
memory/4768-136-0x00007FFA978B0000-0x00007FFA978C0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads