amadey | 94445f963bd7a9725a78fb0af7f41375ef9195791ce259f8b1497e93e0dd4d67

Analysis

max time kernel
2s
max time network
120s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
01/07/2024, 20:52

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General

Target

94445f963bd7a9725a78fb0af7f41375ef9195791ce259f8b1497e93e0dd4d67.exe
Size

1.8MB
MD5

20f6e23944890a5a662588c9e7058aca
SHA1

36c7e7d7bf4fdc94161083f2719bf844f2bd13a8
SHA256

94445f963bd7a9725a78fb0af7f41375ef9195791ce259f8b1497e93e0dd4d67
SHA512

4bd8ce9840139fae3091804f40da9b27e6408b0645edf192620560d0fd02ff0042d2015a2e27ee54641ce0c604cab351976366af8f5c24161b03b58c3cf6d2fc
SSDEEP

49152:AwDGK5uPtc4OR5OBRc+88gpQgExaDRnv0WaLxrBd:A4uPrO4ywOEaDxwx/

Score

10^/10

amadey stealc 4dd39d default evasion stealer trojan

Malware Config

Extracted

Family

amadey

Version

4.30

Botnet

4dd39d

http://77.91.77.82

Attributes

install_dir
ad40971b6b
install_file
explorti.exe
strings_key
a434973ad22def7137dbb5e059b7081e
url_paths
/Hun4Ko/index.php

rc4.plain

Extracted

Family

stealc

Botnet

default

http://85.28.47.4

Attributes

url_path
/920475a59bac849d.php

Signatures

Amadey
Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.
trojan amadey
Stealc
Stealc is an infostealer written in C++.
stealer stealc

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	94445f963bd7a9725a78fb0af7f41375ef9195791ce259f8b1497e93e0dd4d67.exe

Downloads MZ/PE file

Checks BIOS information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	94445f963bd7a9725a78fb0af7f41375ef9195791ce259f8b1497e93e0dd4d67.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	94445f963bd7a9725a78fb0af7f41375ef9195791ce259f8b1497e93e0dd4d67.exe

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\Software\Wine	94445f963bd7a9725a78fb0af7f41375ef9195791ce259f8b1497e93e0dd4d67.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2284	94445f963bd7a9725a78fb0af7f41375ef9195791ce259f8b1497e93e0dd4d67.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\explorti.job	94445f963bd7a9725a78fb0af7f41375ef9195791ce259f8b1497e93e0dd4d67.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2284	94445f963bd7a9725a78fb0af7f41375ef9195791ce259f8b1497e93e0dd4d67.exe
2284	94445f963bd7a9725a78fb0af7f41375ef9195791ce259f8b1497e93e0dd4d67.exe

C:\Users\Admin\AppData\Local\Temp\94445f963bd7a9725a78fb0af7f41375ef9195791ce259f8b1497e93e0dd4d67.exe
"C:\Users\Admin\AppData\Local\Temp\94445f963bd7a9725a78fb0af7f41375ef9195791ce259f8b1497e93e0dd4d67.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
PID:2284
- C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
  "C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe"
  2⤵
  PID:4636
- - C:\Users\Admin\AppData\Local\Temp\1000006001\41d09ecf7f.exe
    "C:\Users\Admin\AppData\Local\Temp\1000006001\41d09ecf7f.exe"
    3⤵
    PID:880
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\JDBFIIEBGC.exe"
      4⤵
      PID:3680
    - - C:\Users\Admin\AppData\Local\Temp\JDBFIIEBGC.exe
        
        "C:\Users\Admin\AppData\Local\Temp\JDBFIIEBGC.exe"
        5⤵
        
        PID:392
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\CFBFHIEBKJ.exe"
      4⤵
      PID:3660

C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
1⤵
PID:4460

C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
1⤵
PID:4920

C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
1⤵
PID:3376

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\mozglue.dll

Filesize
593KB

MD5
c8fd9be83bc728cc04beffafc2907fe9

SHA1
95ab9f701e0024cedfbd312bcfe4e726744c4f2e

SHA256
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

SHA512
fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

Download Submit
C:\ProgramData\nss3.dll

Filesize
2.0MB

MD5
1cc453cdf74f31e4d913ff9c10acdde2

SHA1
6e85eae544d6e965f15fa5c39700fa7202f3aafe

SHA256
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

SHA512
dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

Download Submit
C:\Users\Admin\AppData\Local\Temp\1000006001\41d09ecf7f.exe

Filesize
2.4MB

MD5
b58a3998f5ce749fd2dd6b8651fde46c

SHA1
94bac5909d2b5f2313d810f04587db3c67c9dd5a

SHA256
7d094695351abc8285aea7a0612764ca1d12ef7b0c44aca25ed560ac1d407c3d

SHA512
db074390fe7b8dfa26a10d0dcca56f3d66d72eba96ddc6b7650e7b8c45e0de58805abe43d8f93e3291687ff075d900676552d6a3f7ac3c7b2d388c9f52111da4

Download Submit
C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe

Filesize
1.8MB

MD5
20f6e23944890a5a662588c9e7058aca

SHA1
36c7e7d7bf4fdc94161083f2719bf844f2bd13a8

SHA256
94445f963bd7a9725a78fb0af7f41375ef9195791ce259f8b1497e93e0dd4d67

SHA512
4bd8ce9840139fae3091804f40da9b27e6408b0645edf192620560d0fd02ff0042d2015a2e27ee54641ce0c604cab351976366af8f5c24161b03b58c3cf6d2fc

Download Submit
memory/392-118-0x0000000000FC0000-0x000000000148E000-memory.dmp

Filesize
4.8MB

Download
memory/392-116-0x0000000000FC0000-0x000000000148E000-memory.dmp

Filesize
4.8MB

Download
memory/880-42-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/880-41-0x00000000008D0000-0x00000000014C2000-memory.dmp

Filesize
11.9MB

Download
memory/880-112-0x00000000008D0000-0x00000000014C2000-memory.dmp

Filesize
11.9MB

Download
memory/2284-5-0x0000000001000000-0x00000000014CE000-memory.dmp

Filesize
4.8MB

Download
memory/2284-0-0x0000000001000000-0x00000000014CE000-memory.dmp

Filesize
4.8MB

Download
memory/2284-17-0x0000000001000000-0x00000000014CE000-memory.dmp

Filesize
4.8MB

Download
memory/2284-2-0x0000000001001000-0x000000000102F000-memory.dmp

Filesize
184KB

Download
memory/2284-3-0x0000000001000000-0x00000000014CE000-memory.dmp

Filesize
4.8MB

Download
memory/2284-1-0x0000000077E16000-0x0000000077E18000-memory.dmp

Filesize
8KB

Download
memory/3376-136-0x00000000003A0000-0x000000000086E000-memory.dmp

Filesize
4.8MB

Download
memory/3376-138-0x00000000003A0000-0x000000000086E000-memory.dmp

Filesize
4.8MB

Download
memory/4460-22-0x00000000003A0000-0x000000000086E000-memory.dmp

Filesize
4.8MB

Download
memory/4460-24-0x00000000003A0000-0x000000000086E000-memory.dmp

Filesize
4.8MB

Download
memory/4460-25-0x00000000003A0000-0x000000000086E000-memory.dmp

Filesize
4.8MB

Download
memory/4636-133-0x00000000003A0000-0x000000000086E000-memory.dmp

Filesize
4.8MB

Download
memory/4636-108-0x00000000003A0000-0x000000000086E000-memory.dmp

Filesize
4.8MB

Download
memory/4636-20-0x00000000003A0000-0x000000000086E000-memory.dmp

Filesize
4.8MB

Download
memory/4636-119-0x00000000003A0000-0x000000000086E000-memory.dmp

Filesize
4.8MB

Download
memory/4636-120-0x00000000003A0000-0x000000000086E000-memory.dmp

Filesize
4.8MB

Download
memory/4636-121-0x00000000003A0000-0x000000000086E000-memory.dmp

Filesize
4.8MB

Download
memory/4636-122-0x00000000003A0000-0x000000000086E000-memory.dmp

Filesize
4.8MB

Download
memory/4636-123-0x00000000003A0000-0x000000000086E000-memory.dmp

Filesize
4.8MB

Download
memory/4636-124-0x00000000003A0000-0x000000000086E000-memory.dmp

Filesize
4.8MB

Download
memory/4636-129-0x00000000003A0000-0x000000000086E000-memory.dmp

Filesize
4.8MB

Download
memory/4636-23-0x00000000003A0000-0x000000000086E000-memory.dmp

Filesize
4.8MB

Download
memory/4636-140-0x00000000003A0000-0x000000000086E000-memory.dmp

Filesize
4.8MB

Download
memory/4636-125-0x00000000003A0000-0x000000000086E000-memory.dmp

Filesize
4.8MB

Download
memory/4636-130-0x00000000003A0000-0x000000000086E000-memory.dmp

Filesize
4.8MB

Download
memory/4636-131-0x00000000003A0000-0x000000000086E000-memory.dmp

Filesize
4.8MB

Download
memory/4636-132-0x00000000003A0000-0x000000000086E000-memory.dmp

Filesize
4.8MB

Download
memory/4636-139-0x00000000003A0000-0x000000000086E000-memory.dmp

Filesize
4.8MB

Download
memory/4636-134-0x00000000003A0000-0x000000000086E000-memory.dmp

Filesize
4.8MB

Download
memory/4636-19-0x00000000003A1000-0x00000000003CF000-memory.dmp

Filesize
184KB

Download
memory/4636-18-0x00000000003A0000-0x000000000086E000-memory.dmp

Filesize
4.8MB

Download
memory/4920-127-0x00000000003A0000-0x000000000086E000-memory.dmp

Filesize
4.8MB

Download
memory/4920-128-0x00000000003A0000-0x000000000086E000-memory.dmp

Filesize
4.8MB

Download