dcc6409e704780116523a3e6ca35edf1399b381568d26b6d0373d1d9e00be491

General

Target

dcc6409e704780116523a3e6ca35edf1399b381568d26b6d0373d1d9e00be491.xlsm
Size

46KB
MD5

969869a41c8f52fc0853eaaba007be0f
SHA1

7d1c58a56647a9f3ede204d60fa0e6813d1ad8d1
SHA256

dcc6409e704780116523a3e6ca35edf1399b381568d26b6d0373d1d9e00be491
SHA512

c4a1a7ff06d4b59ed39640ca213bc1640907b304b613e47b9fe3561cd7caf6acb4f0c9a0fe19c9bb79b86dcbcae51bebec1831c732396cb1294b2860bd387c86

Score

10^/10

suricata

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://eles-tech.com/css/KzMysMqFMs/

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	5092	2152	regsvr32.exe	65

suricata: ET MALWARE W32/Emotet CnC Beacon 3
suricata: ET MALWARE W32/Emotet CnC Beacon 3
suricata
Downloads MZ/PE file

Loads dropped DLL 1 IoCs

pid	Process
5092	regsvr32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Drmcxszwk\kuls.esg	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 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
2152	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3552	regsvr32.exe
3552	regsvr32.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
2152	EXCEL.EXE
2152	EXCEL.EXE
2152	EXCEL.EXE
2152	EXCEL.EXE
2152	EXCEL.EXE
2152	EXCEL.EXE
2152	EXCEL.EXE
2152	EXCEL.EXE
2152	EXCEL.EXE
2152	EXCEL.EXE
2152	EXCEL.EXE
2152	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2152 wrote to memory of 5092	2152	EXCEL.EXE	68
PID 2152 wrote to memory of 5092	2152	EXCEL.EXE	68
PID 2152 wrote to memory of 5092	2152	EXCEL.EXE	68
PID 5092 wrote to memory of 3552	5092	regsvr32.exe	70
PID 5092 wrote to memory of 3552	5092	regsvr32.exe	70
PID 5092 wrote to memory of 3552	5092	regsvr32.exe	70

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\dcc6409e704780116523a3e6ca35edf1399b381568d26b6d0373d1d9e00be491.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2152
- C:\Windows\SysWow64\regsvr32.exe
  C:\Windows\SysWow64\regsvr32.exe -s ..\xewn.dll
  2⤵
  - Process spawned unexpected child process
  - Loads dropped DLL
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:5092
- - C:\Windows\SysWOW64\regsvr32.exe
    C:\Windows\SysWOW64\regsvr32.exe /s "C:\Windows\SysWOW64\Drmcxszwk\kuls.esg"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:3552

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\xewn.dll

Filesize
848KB

MD5
c954c5afb5d3cf2242012a5030905487

SHA1
94f24d512a97be46bf287816f194ef4d5d04172e

SHA256
b55de3ddd8a9420a4ed594f06cfbabc39dd276c392e473d5240cc6d209358afc

SHA512
ef880f1a4590691e99ed387de47e5295a02288211a5302ccb7fcd906c8134fbb5f8aa322dfc79bf0f335f2c585b028aec67654cce0e855b86410f11ed5e000de

Download Submit
\Users\Admin\xewn.dll

Filesize
848KB

MD5
c954c5afb5d3cf2242012a5030905487

SHA1
94f24d512a97be46bf287816f194ef4d5d04172e

SHA256
b55de3ddd8a9420a4ed594f06cfbabc39dd276c392e473d5240cc6d209358afc

SHA512
ef880f1a4590691e99ed387de47e5295a02288211a5302ccb7fcd906c8134fbb5f8aa322dfc79bf0f335f2c585b028aec67654cce0e855b86410f11ed5e000de

Download Submit
memory/2152-113-0x00007FFA9B980000-0x00007FFA9B990000-memory.dmp

Filesize
64KB

Download
memory/2152-114-0x00007FFA9B980000-0x00007FFA9B990000-memory.dmp

Filesize
64KB

Download
memory/2152-115-0x00007FFA9B980000-0x00007FFA9B990000-memory.dmp

Filesize
64KB

Download
memory/2152-116-0x00007FFA9B980000-0x00007FFA9B990000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads