b7dd3bce3ebfbc2d5e3a9f00d47f27cb6a5895c4618c878e314e573a7c216df1 | Triage

Resubmissions

22-10-2024 02:07

241022-cka1nssfkj 10

Analysis

max time kernel
142s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-10-2024 02:07

Sharing

Report Analysis Logs

General

Target

The-MALWARE-Repo-master/Banking-Malware/Zloader.xlsm
Size

93KB
MD5

b36a0543b28f4ad61d0f64b729b2511b
SHA1

bf62dc338b1dd50a3f7410371bc3f2206350ebea
SHA256

90c03a8ca35c33aad5e77488625598da6deeb08794e6efc9f1ddbe486df33e0c
SHA512

cf691e088f9852a3850ee458ef56406ead4aea539a46f8f90eb8e300bc06612a66dfa6c9dee8dcb801e7edf7fb4ed35226a5684f4164eaad073b9511189af037
SSDEEP

1536:0sqG3SkDNIVXnR8TeYSSkCXgN+Uu+j6XJaRqWD/0ACKNONUhfy:0sNrxWXnCjiubXKD/EQA

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://erpoweredent.at/3/zte.dll

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	448	956	rundll32.exe	84

Enumerates connected drives 3 TTPs 23 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

Peripheral Device Discovery

System Information Discovery

description	ioc	Process
File opened (read-only)	\??\E:	EXCEL.EXE
File opened (read-only)	\??\H:	EXCEL.EXE
File opened (read-only)	\??\K:	EXCEL.EXE
File opened (read-only)	\??\N:	EXCEL.EXE
File opened (read-only)	\??\S:	EXCEL.EXE
File opened (read-only)	\??\V:	EXCEL.EXE
File opened (read-only)	\??\B:	EXCEL.EXE
File opened (read-only)	\??\I:	EXCEL.EXE
File opened (read-only)	\??\Q:	EXCEL.EXE
File opened (read-only)	\??\U:	EXCEL.EXE
File opened (read-only)	\??\X:	EXCEL.EXE
File opened (read-only)	\??\Y:	EXCEL.EXE
File opened (read-only)	\??\G:	EXCEL.EXE
File opened (read-only)	\??\J:	EXCEL.EXE
File opened (read-only)	\??\M:	EXCEL.EXE
File opened (read-only)	\??\O:	EXCEL.EXE
File opened (read-only)	\??\R:	EXCEL.EXE
File opened (read-only)	\??\T:	EXCEL.EXE
File opened (read-only)	\??\Z:	EXCEL.EXE
File opened (read-only)	\??\A:	EXCEL.EXE
File opened (read-only)	\??\L:	EXCEL.EXE
File opened (read-only)	\??\P:	EXCEL.EXE
File opened (read-only)	\??\W:	EXCEL.EXE

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

System Information Discovery

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

System Information Discovery

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
956	EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

pid	Process
956	EXCEL.EXE
956	EXCEL.EXE
956	EXCEL.EXE
956	EXCEL.EXE
956	EXCEL.EXE
956	EXCEL.EXE
956	EXCEL.EXE
956	EXCEL.EXE
956	EXCEL.EXE
956	EXCEL.EXE
956	EXCEL.EXE
956	EXCEL.EXE
956	EXCEL.EXE
956	EXCEL.EXE

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 956 wrote to memory of 448	956	EXCEL.EXE	89
PID 956 wrote to memory of 448	956	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\The-MALWARE-Repo-master\Banking-Malware\Zloader.xlsm"
1⤵
- Enumerates connected drives
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:956
- C:\Windows\System32\rundll32.exe
  "C:\Windows\System32\rundll32.exe" C:\nxTgTGh\ECeMdPT\EnVYsVZ.dll,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:448

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
1KB

MD5
3d10ea63c446dd06d028bfd9dda2c58e

SHA1
59de8253e3ef2422e594051ce205e3559d8e0832

SHA256
f86aed71cdc35325831cecd9b338dda7fdecda7d4ea40c61deded242036c0d55

SHA512
34c060b925d2a0cc88e4f3e0266140518f8cdc5877cf0a8c9faca9e865fab61096eefef03fa5a841fc41cc3450d8782c08ba3c0659890d27531cd3a5a290ac6e

Download Submit
memory/956-11-0x00007FFD6D7F0000-0x00007FFD6D9E5000-memory.dmp

Filesize
2.0MB

Download
memory/956-1-0x00007FFD6D88D000-0x00007FFD6D88E000-memory.dmp

Filesize
4KB

Download
memory/956-12-0x00007FFD6D7F0000-0x00007FFD6D9E5000-memory.dmp

Filesize
2.0MB

Download
memory/956-4-0x00007FFD6D7F0000-0x00007FFD6D9E5000-memory.dmp

Filesize
2.0MB

Download
memory/956-5-0x00007FFD6D7F0000-0x00007FFD6D9E5000-memory.dmp

Filesize
2.0MB

Download
memory/956-7-0x00007FFD6D7F0000-0x00007FFD6D9E5000-memory.dmp

Filesize
2.0MB

Download
memory/956-10-0x00007FFD6D7F0000-0x00007FFD6D9E5000-memory.dmp

Filesize
2.0MB

Download
memory/956-14-0x00007FFD6D7F0000-0x00007FFD6D9E5000-memory.dmp

Filesize
2.0MB

Download
memory/956-15-0x00007FFD6D7F0000-0x00007FFD6D9E5000-memory.dmp

Filesize
2.0MB

Download
memory/956-9-0x00007FFD6D7F0000-0x00007FFD6D9E5000-memory.dmp

Filesize
2.0MB

Download
memory/956-2-0x00007FFD2D870000-0x00007FFD2D880000-memory.dmp

Filesize
64KB

Download
memory/956-3-0x00007FFD2D870000-0x00007FFD2D880000-memory.dmp

Filesize
64KB

Download
memory/956-13-0x00007FFD6D7F0000-0x00007FFD6D9E5000-memory.dmp

Filesize
2.0MB

Download
memory/956-16-0x00007FFD2AF10000-0x00007FFD2AF20000-memory.dmp

Filesize
64KB

Download
memory/956-8-0x00007FFD2D870000-0x00007FFD2D880000-memory.dmp

Filesize
64KB

Download
memory/956-17-0x00007FFD2AF10000-0x00007FFD2AF20000-memory.dmp

Filesize
64KB

Download
memory/956-6-0x00007FFD2D870000-0x00007FFD2D880000-memory.dmp

Filesize
64KB

Download
memory/956-18-0x00007FFD6D7F0000-0x00007FFD6D9E5000-memory.dmp

Filesize
2.0MB

Download
memory/956-28-0x00007FFD6D7F0000-0x00007FFD6D9E5000-memory.dmp

Filesize
2.0MB

Download
memory/956-29-0x00007FFD6D88D000-0x00007FFD6D88E000-memory.dmp

Filesize
4KB

Download
memory/956-30-0x00007FFD6D7F0000-0x00007FFD6D9E5000-memory.dmp

Filesize
2.0MB

Download
memory/956-31-0x00007FFD6D7F0000-0x00007FFD6D9E5000-memory.dmp

Filesize
2.0MB

Download
memory/956-0-0x00007FFD2D870000-0x00007FFD2D880000-memory.dmp

Filesize
64KB

Download