668be3761c6256ebd081da9c1eca2964ee06c69792304fe6b191b062ca631a89

General

Target

668be3761c6256ebd081da9c1eca2964ee06c69792304fe6b191b062ca631a89.xls
Size

77KB
MD5

9f2ff0b51620c55448d2b76ed96e9862
SHA1

0c35f5c5a14ec5c3d1477fd668c248d5105099e7
SHA256

668be3761c6256ebd081da9c1eca2964ee06c69792304fe6b191b062ca631a89
SHA512

eb15e18610fc6e89b7f827bb3356abdab2660c976af30100fc913e498dc64ab19a1a98c1a56baf894d7cc750e62e40b55290bfe46c4f41a7453fd78acda87d32
SSDEEP

1536:ZSKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgTk+hD8nTLqQrRrZws8Etr:gKpb8rGYrMPe3q7Q0XV5xtezEsi8/dga

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://microlent.com/admin/kM442bdMLLMQ1qJe5/

xlm40.dropper

https://neoexc.com/cgi-bin/srN0xYgm/

xlm40.dropper

http://ong-hananel.org/PAQUES/bPiA2l6foj7kjN/

Signatures

Process spawned unexpected child process 3 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	3728	2580	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3540	2580	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1920	2580	regsvr32.exe	82

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
2580	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2580	EXCEL.EXE
2580	EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

pid	Process
2580	EXCEL.EXE
2580	EXCEL.EXE
2580	EXCEL.EXE
2580	EXCEL.EXE
2580	EXCEL.EXE
2580	EXCEL.EXE
2580	EXCEL.EXE
2580	EXCEL.EXE
2580	EXCEL.EXE
2580	EXCEL.EXE
2580	EXCEL.EXE
2580	EXCEL.EXE
2580	EXCEL.EXE
2580	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2580 wrote to memory of 3728	2580	EXCEL.EXE	89
PID 2580 wrote to memory of 3728	2580	EXCEL.EXE	89
PID 2580 wrote to memory of 3540	2580	EXCEL.EXE	93
PID 2580 wrote to memory of 3540	2580	EXCEL.EXE	93
PID 2580 wrote to memory of 1920	2580	EXCEL.EXE	95
PID 2580 wrote to memory of 1920	2580	EXCEL.EXE	95

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\668be3761c6256ebd081da9c1eca2964ee06c69792304fe6b191b062ca631a89.xls"
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:2580
- C:\Windows\SYSTEM32\regsvr32.exe
  regsvr32 C:\Uduw\soam1.OCX
  2⤵
  - Process spawned unexpected child process
  PID:3728
- C:\Windows\SYSTEM32\regsvr32.exe
  regsvr32 C:\Uduw\soam2.OCX
  2⤵
  - Process spawned unexpected child process
  PID:3540
- C:\Windows\SYSTEM32\regsvr32.exe
  regsvr32 C:\Uduw\soam3.OCX
  2⤵
  - Process spawned unexpected child process
  PID:1920

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2580-1-0x00007FFD6E98D000-0x00007FFD6E98E000-memory.dmp

Filesize
4KB

Download
memory/2580-0-0x00007FFD2E970000-0x00007FFD2E980000-memory.dmp

Filesize
64KB

Download
memory/2580-2-0x00007FFD2E970000-0x00007FFD2E980000-memory.dmp

Filesize
64KB

Download
memory/2580-3-0x00007FFD2E970000-0x00007FFD2E980000-memory.dmp

Filesize
64KB

Download
memory/2580-7-0x00007FFD6E8F0000-0x00007FFD6EAE5000-memory.dmp

Filesize
2.0MB

Download
memory/2580-6-0x00007FFD6E8F0000-0x00007FFD6EAE5000-memory.dmp

Filesize
2.0MB

Download
memory/2580-11-0x00007FFD6E8F0000-0x00007FFD6EAE5000-memory.dmp

Filesize
2.0MB

Download
memory/2580-10-0x00007FFD6E8F0000-0x00007FFD6EAE5000-memory.dmp

Filesize
2.0MB

Download
memory/2580-9-0x00007FFD6E8F0000-0x00007FFD6EAE5000-memory.dmp

Filesize
2.0MB

Download
memory/2580-12-0x00007FFD6E8F0000-0x00007FFD6EAE5000-memory.dmp

Filesize
2.0MB

Download
memory/2580-13-0x00007FFD2C550000-0x00007FFD2C560000-memory.dmp

Filesize
64KB

Download
memory/2580-14-0x00007FFD2C550000-0x00007FFD2C560000-memory.dmp

Filesize
64KB

Download
memory/2580-8-0x00007FFD2E970000-0x00007FFD2E980000-memory.dmp

Filesize
64KB

Download
memory/2580-5-0x00007FFD2E970000-0x00007FFD2E980000-memory.dmp

Filesize
64KB

Download
memory/2580-4-0x00007FFD6E8F0000-0x00007FFD6EAE5000-memory.dmp

Filesize
2.0MB

Download
memory/2580-38-0x00007FFD6E8F0000-0x00007FFD6EAE5000-memory.dmp

Filesize
2.0MB

Download
memory/2580-39-0x00007FFD6E98D000-0x00007FFD6E98E000-memory.dmp

Filesize
4KB

Download
memory/2580-40-0x00007FFD6E8F0000-0x00007FFD6EAE5000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads