2caf39a890a5a3bec7439d61c22ced217ea31c1cf48af27147b32df299328d5b

General

Target

2caf39a890a5a3bec7439d61c22ced217ea31c1cf48af27147b32df299328d5b.xls
Size

53KB
MD5

7b9d82afdd4458e03b470277215eb904
SHA1

ddff2bba025272ee4df2cf3717adb2882b1cea93
SHA256

2caf39a890a5a3bec7439d61c22ced217ea31c1cf48af27147b32df299328d5b
SHA512

6569a3a94ea174afe319b4817db7007b1b9beb6e9b725eb3fe14178cf422a99b492c9a806383f3a82a800d5f287aee097b0f786443fc181afd3d47c506050c01
SSDEEP

1536:BPKpb8rGYrMPe3q7Q0XV5xtezE8vG8UM+ASgNeEYL8UCU:VKpb8rGYrMPe3q7Q0XV5xtezE8vG8UMe

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://airliftlimo.com/wp-admin/wzZ3RIsItxZsu77MFxs/

xlm40.dropper

http://demo-re-usables.inertiasoft.net/cgi-bin/AR4nYNd9xpn/

xlm40.dropper

https://justplay.asia/google/oCbyPwB8B/

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	1556	5056	regsvr32.exe	81
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1072	5056	regsvr32.exe	81
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2012	5056	regsvr32.exe	81

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
5056	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
5056	EXCEL.EXE
5056	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
5056	EXCEL.EXE
5056	EXCEL.EXE
5056	EXCEL.EXE
5056	EXCEL.EXE
5056	EXCEL.EXE
5056	EXCEL.EXE
5056	EXCEL.EXE
5056	EXCEL.EXE
5056	EXCEL.EXE
5056	EXCEL.EXE
5056	EXCEL.EXE
5056	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5056 wrote to memory of 1556	5056	EXCEL.EXE	88
PID 5056 wrote to memory of 1556	5056	EXCEL.EXE	88
PID 5056 wrote to memory of 1072	5056	EXCEL.EXE	93
PID 5056 wrote to memory of 1072	5056	EXCEL.EXE	93
PID 5056 wrote to memory of 2012	5056	EXCEL.EXE	94
PID 5056 wrote to memory of 2012	5056	EXCEL.EXE	94

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\2caf39a890a5a3bec7439d61c22ced217ea31c1cf48af27147b32df299328d5b.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:5056
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\cusoa1.ocx
  2⤵
  - Process spawned unexpected child process
  PID:1556
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\cusoa2.ocx
  2⤵
  - Process spawned unexpected child process
  PID:1072
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\cusoa3.ocx
  2⤵
  - Process spawned unexpected child process
  PID:2012

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

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

Filesize
1KB

MD5
fe1ff8364561e4b38f37809d77a0cdf3

SHA1
d9763fbf3cd0d37bebc53b7996e93c8fc9b105f3

SHA256
8a9877dd605c3fecd89e9c9bd3e2dd7ccaae9939ed1d44c102eff956bcbe9072

SHA512
4a0c36b794bdccbb1c95d174226ad08ffd9961d825edd256c72141347b3e947afdeb3079ec713a3bfe5b8938ce8d3cc7ba1915f30845e63a5c374a73da191c96

Download Submit
memory/5056-6-0x00007FFBF0670000-0x00007FFBF0865000-memory.dmp

Filesize
2.0MB

Download
memory/5056-11-0x00007FFBF0670000-0x00007FFBF0865000-memory.dmp

Filesize
2.0MB

Download
memory/5056-4-0x00007FFBB06F0000-0x00007FFBB0700000-memory.dmp

Filesize
64KB

Download
memory/5056-2-0x00007FFBB06F0000-0x00007FFBB0700000-memory.dmp

Filesize
64KB

Download
memory/5056-9-0x00007FFBF0670000-0x00007FFBF0865000-memory.dmp

Filesize
2.0MB

Download
memory/5056-10-0x00007FFBF0670000-0x00007FFBF0865000-memory.dmp

Filesize
2.0MB

Download
memory/5056-13-0x00007FFBF0670000-0x00007FFBF0865000-memory.dmp

Filesize
2.0MB

Download
memory/5056-5-0x00007FFBB06F0000-0x00007FFBB0700000-memory.dmp

Filesize
64KB

Download
memory/5056-0-0x00007FFBB06F0000-0x00007FFBB0700000-memory.dmp

Filesize
64KB

Download
memory/5056-8-0x00007FFBF0670000-0x00007FFBF0865000-memory.dmp

Filesize
2.0MB

Download
memory/5056-3-0x00007FFBB06F0000-0x00007FFBB0700000-memory.dmp

Filesize
64KB

Download
memory/5056-7-0x00007FFBF0670000-0x00007FFBF0865000-memory.dmp

Filesize
2.0MB

Download
memory/5056-12-0x00007FFBF0670000-0x00007FFBF0865000-memory.dmp

Filesize
2.0MB

Download
memory/5056-17-0x00007FFBF0670000-0x00007FFBF0865000-memory.dmp

Filesize
2.0MB

Download
memory/5056-16-0x00007FFBF0670000-0x00007FFBF0865000-memory.dmp

Filesize
2.0MB

Download
memory/5056-18-0x00007FFBADE70000-0x00007FFBADE80000-memory.dmp

Filesize
64KB

Download
memory/5056-15-0x00007FFBF0670000-0x00007FFBF0865000-memory.dmp

Filesize
2.0MB

Download
memory/5056-14-0x00007FFBADE70000-0x00007FFBADE80000-memory.dmp

Filesize
64KB

Download
memory/5056-34-0x00007FFBF0670000-0x00007FFBF0865000-memory.dmp

Filesize
2.0MB

Download
memory/5056-35-0x00007FFBF070D000-0x00007FFBF070E000-memory.dmp

Filesize
4KB

Download
memory/5056-36-0x00007FFBF0670000-0x00007FFBF0865000-memory.dmp

Filesize
2.0MB

Download
memory/5056-37-0x00007FFBF0670000-0x00007FFBF0865000-memory.dmp

Filesize
2.0MB

Download
memory/5056-1-0x00007FFBF070D000-0x00007FFBF070E000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads