8443880cc736734b39b641cd25144eb5868c2376c30c116365773569a6e4ca1f

General

Target

8443880cc736734b39b641cd25144eb5868c2376c30c116365773569a6e4ca1f.xlsm
Size

73KB
MD5

b1c7fadd1156dfd6865a1dd0ed97bee6
SHA1

8962371fecdf21672ebc2f23314a8cf733ed7706
SHA256

8443880cc736734b39b641cd25144eb5868c2376c30c116365773569a6e4ca1f
SHA512

a648b488a86b6e44bbbc90b068d03e169347061a5acaf2108029e1906220efa3a0f3f88a5f8fcb37d090be8d9c448e9f8f510b8a4423a58e4c962568a1e10d50
SSDEEP

1536:P1iiXSto0NSVUINwtzLT7OMuuAe0yOcfpXZGsMlVzc:P1iiCtzSmICpH7OZuvZGsMU

Score

10^/10

discovery

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://andjello.net/wp-includes/O74XNLzsodp/

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	3024	3916	regsvr32.exe	81

System Location Discovery: System Language Discovery 1 TTPs 1 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	regsvr32.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

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
3916	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3916	EXCEL.EXE
3916	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
3916	EXCEL.EXE
3916	EXCEL.EXE
3916	EXCEL.EXE
3916	EXCEL.EXE
3916	EXCEL.EXE
3916	EXCEL.EXE
3916	EXCEL.EXE
3916	EXCEL.EXE
3916	EXCEL.EXE
3916	EXCEL.EXE
3916	EXCEL.EXE
3916	EXCEL.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3916 wrote to memory of 3024	3916	EXCEL.EXE	89
PID 3916 wrote to memory of 3024	3916	EXCEL.EXE	89
PID 3916 wrote to memory of 3024	3916	EXCEL.EXE	89

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\8443880cc736734b39b641cd25144eb5868c2376c30c116365773569a6e4ca1f.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3916
- C:\Windows\SysWow64\regsvr32.exe
  C:\Windows\SysWow64\regsvr32.exe -s ..\ujg.dll
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:3024

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms

Filesize
1KB

MD5
eeb7a6e5b36aeabbe9926a1f134f89cb

SHA1
cc95163c67268482b173e03cdb6d05bc5569f573

SHA256
9f0fc2187c420ceb96577ebe22a6381167faedb57d11fcbe3d35de275ad0516e

SHA512
0baaf226dfcbdd2756c917696aba1f5343ab2034d26eb6aef4b9971375847ee9e27dd5ced3dad80743d36c38020c520ac87d0b2ae57a4ea572ee76842ec42022

Download Submit
C:\Users\Admin\ujg.dll

Filesize
48KB

MD5
a25f4a7f882a99ebc58c071d663830c7

SHA1
6e8c44b8e3eec95166568f43611b21fb8d437c15

SHA256
6243c9888278255e454f6278dedbc8eea894222dd1900a1b552a5e523dcba197

SHA512
ce3bb151171ba5620503e1d3e731da000c3eddf58f50d056286cd29b17eefe1d1f2a3c257add7d11098985549e481fc9b7e1541eb9cbd12622f2ccf40ed24da0

Download Submit
memory/3916-13-0x00007FFA251F0000-0x00007FFA25200000-memory.dmp

Filesize
64KB

Download
memory/3916-3-0x00007FFA6746D000-0x00007FFA6746E000-memory.dmp

Filesize
4KB

Download
memory/3916-4-0x00007FFA27450000-0x00007FFA27460000-memory.dmp

Filesize
64KB

Download
memory/3916-5-0x00007FFA27450000-0x00007FFA27460000-memory.dmp

Filesize
64KB

Download
memory/3916-8-0x00007FFA673D0000-0x00007FFA675C5000-memory.dmp

Filesize
2.0MB

Download
memory/3916-10-0x00007FFA673D0000-0x00007FFA675C5000-memory.dmp

Filesize
2.0MB

Download
memory/3916-9-0x00007FFA673D0000-0x00007FFA675C5000-memory.dmp

Filesize
2.0MB

Download
memory/3916-12-0x00007FFA251F0000-0x00007FFA25200000-memory.dmp

Filesize
64KB

Download
memory/3916-11-0x00007FFA673D0000-0x00007FFA675C5000-memory.dmp

Filesize
2.0MB

Download
memory/3916-7-0x00007FFA673D0000-0x00007FFA675C5000-memory.dmp

Filesize
2.0MB

Download
memory/3916-2-0x00007FFA27450000-0x00007FFA27460000-memory.dmp

Filesize
64KB

Download
memory/3916-1-0x00007FFA27450000-0x00007FFA27460000-memory.dmp

Filesize
64KB

Download
memory/3916-14-0x00007FFA673D0000-0x00007FFA675C5000-memory.dmp

Filesize
2.0MB

Download
memory/3916-15-0x00007FFA673D0000-0x00007FFA675C5000-memory.dmp

Filesize
2.0MB

Download
memory/3916-16-0x00007FFA673D0000-0x00007FFA675C5000-memory.dmp

Filesize
2.0MB

Download
memory/3916-20-0x00007FFA673D0000-0x00007FFA675C5000-memory.dmp

Filesize
2.0MB

Download
memory/3916-22-0x00007FFA673D0000-0x00007FFA675C5000-memory.dmp

Filesize
2.0MB

Download
memory/3916-21-0x00007FFA673D0000-0x00007FFA675C5000-memory.dmp

Filesize
2.0MB

Download
memory/3916-19-0x00007FFA673D0000-0x00007FFA675C5000-memory.dmp

Filesize
2.0MB

Download
memory/3916-18-0x00007FFA673D0000-0x00007FFA675C5000-memory.dmp

Filesize
2.0MB

Download
memory/3916-17-0x00007FFA673D0000-0x00007FFA675C5000-memory.dmp

Filesize
2.0MB

Download
memory/3916-6-0x00007FFA673D0000-0x00007FFA675C5000-memory.dmp

Filesize
2.0MB

Download
memory/3916-45-0x00007FFA673D0000-0x00007FFA675C5000-memory.dmp

Filesize
2.0MB

Download
memory/3916-0-0x00007FFA27450000-0x00007FFA27460000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads