amadey | ac848e3af9a5738ef6791dafa2a763a7718c25f1df48a6430827cabe9a5d68f2

Resubmissions

25-09-2024 18:01

240925-wl45pascrh 10

25-09-2024 11:51

240925-nz8q2atdmm 10

Analysis

max time kernel
140s
max time network
151s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-09-2024 11:51

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General

Target

file.exe
Size

1.9MB
MD5

48d34a4ac51f1a89e010b64fa8cfdcc2
SHA1

ef2a194fbb28562afc735ae4ee74429521ef9105
SHA256

ac848e3af9a5738ef6791dafa2a763a7718c25f1df48a6430827cabe9a5d68f2
SHA512

63fd4531148ca40fa60997692a79e678dcbc032153204cbb591831478aaee70cdde3b7568b8fdae12f995beb84c687bbcf23e094b2fa5e588bb531f0f7a50b28
SSDEEP

49152:Zzuatph4L2H+Ug2sf77jALl77nXmwDdRAbh0SbTPsAEpKE:duqph4L2exT7MB77nXmwI7cF

Score

10^/10

amadey fed3aa discovery evasion persistence trojan

Malware Config

Extracted

Family

amadey

Version

4.41

Botnet

fed3aa

http://185.215.113.16

Attributes

install_dir
44111dbc49
install_file
axplong.exe
strings_key
8d0ad6945b1a30a186ec2d30be6db0b5
url_paths
/Jo89Ku7d/index.php

rc4.plain

Signatures

Amadey
Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.
trojan amadey

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

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	file.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	axplong.exe

Downloads MZ/PE file

Checks BIOS information in registry 2 TTPs 4 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	axplong.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	axplong.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	file.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	file.exe

Executes dropped EXE 2 IoCs

pid	Process
2764	axplong.exe
1736	rstxdhuj.exe

Identifies Wine through registry keys 2 TTPs 2 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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Wine	file.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Wine	axplong.exe

Loads dropped DLL 7 IoCs

pid	Process
2336	file.exe
2764	axplong.exe
4284	WerFault.exe
4284	WerFault.exe
4284	WerFault.exe
4284	WerFault.exe
4284	WerFault.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\Ylrdnrwcx = "C:\\Users\\Admin\\AppData\\Roaming\\Ylrdnrwcx.exe"	rstxdhuj.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2336	file.exe
2764	axplong.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\axplong.job	file.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4284	1736	WerFault.exe	33

System Location Discovery: System Language Discovery 1 TTPs 3 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	file.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	axplong.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rstxdhuj.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2336	file.exe
2764	axplong.exe
1736	rstxdhuj.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1736	rstxdhuj.exe
Token: SeDebugPrivilege	1736	rstxdhuj.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2336	file.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2336 wrote to memory of 2764	2336	file.exe	31
PID 2336 wrote to memory of 2764	2336	file.exe	31
PID 2336 wrote to memory of 2764	2336	file.exe	31
PID 2336 wrote to memory of 2764	2336	file.exe	31
PID 2764 wrote to memory of 1736	2764	axplong.exe	33
PID 2764 wrote to memory of 1736	2764	axplong.exe	33
PID 2764 wrote to memory of 1736	2764	axplong.exe	33
PID 2764 wrote to memory of 1736	2764	axplong.exe	33
PID 1736 wrote to memory of 4284	1736	rstxdhuj.exe	34
PID 1736 wrote to memory of 4284	1736	rstxdhuj.exe	34
PID 1736 wrote to memory of 4284	1736	rstxdhuj.exe	34
PID 1736 wrote to memory of 4284	1736	rstxdhuj.exe	34

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2336
- C:\Users\Admin\AppData\Local\Temp\44111dbc49\axplong.exe
  "C:\Users\Admin\AppData\Local\Temp\44111dbc49\axplong.exe"
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Identifies Wine through registry keys
  - Loads dropped DLL
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2764
- - C:\Users\Admin\AppData\Local\Temp\1000342001\rstxdhuj.exe
    "C:\Users\Admin\AppData\Local\Temp\1000342001\rstxdhuj.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1736
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1736 -s 788
      4⤵
      Loads dropped DLL
      Program crash
      PID:4284

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\1000342001\rstxdhuj.exe

Filesize
963KB

MD5
1ef39c8bc5799aa381fe093a1f2d532a

SHA1
57eabb02a7c43c9682988227dd470734cc75edb2

SHA256
0cced5b50789fca3ad4b2c151b798363d712da04c377bd704dcef4898e66b2b4

SHA512
13a9c267c4ceb2bd176f1339faa035ffeb08936deeeb4e38252ea43cfe487ea1c1876e4cc2a965548e767af02805a1da62885e6538da056be0c6fae33b637682

Download Submit
C:\Users\Admin\AppData\Local\Temp\44111dbc49\axplong.exe

Filesize
1.9MB

MD5
48d34a4ac51f1a89e010b64fa8cfdcc2

SHA1
ef2a194fbb28562afc735ae4ee74429521ef9105

SHA256
ac848e3af9a5738ef6791dafa2a763a7718c25f1df48a6430827cabe9a5d68f2

SHA512
63fd4531148ca40fa60997692a79e678dcbc032153204cbb591831478aaee70cdde3b7568b8fdae12f995beb84c687bbcf23e094b2fa5e588bb531f0f7a50b28

Download Submit
memory/1736-71-0x0000000004FC0000-0x00000000050A8000-memory.dmp

Filesize
928KB

Download
memory/1736-65-0x0000000004FC0000-0x00000000050A8000-memory.dmp

Filesize
928KB

Download
memory/1736-1118-0x0000000004290000-0x00000000042E4000-memory.dmp

Filesize
336KB

Download
memory/1736-91-0x0000000004FC0000-0x00000000050A8000-memory.dmp

Filesize
928KB

Download
memory/1736-93-0x0000000004FC0000-0x00000000050A8000-memory.dmp

Filesize
928KB

Download
memory/1736-1116-0x0000000004820000-0x0000000004888000-memory.dmp

Filesize
416KB

Download
memory/1736-95-0x0000000004FC0000-0x00000000050A8000-memory.dmp

Filesize
928KB

Download
memory/1736-42-0x0000000004FC0000-0x00000000050A8000-memory.dmp

Filesize
928KB

Download
memory/1736-43-0x0000000004FC0000-0x00000000050A8000-memory.dmp

Filesize
928KB

Download
memory/1736-45-0x0000000004FC0000-0x00000000050A8000-memory.dmp

Filesize
928KB

Download
memory/1736-55-0x0000000004FC0000-0x00000000050A8000-memory.dmp

Filesize
928KB

Download
memory/1736-47-0x0000000004FC0000-0x00000000050A8000-memory.dmp

Filesize
928KB

Download
memory/1736-49-0x0000000004FC0000-0x00000000050A8000-memory.dmp

Filesize
928KB

Download
memory/1736-51-0x0000000004FC0000-0x00000000050A8000-memory.dmp

Filesize
928KB

Download
memory/1736-53-0x0000000004FC0000-0x00000000050A8000-memory.dmp

Filesize
928KB

Download
memory/1736-40-0x0000000000980000-0x0000000000A78000-memory.dmp

Filesize
992KB

Download
memory/1736-41-0x0000000004FC0000-0x00000000050AE000-memory.dmp

Filesize
952KB

Download
memory/1736-61-0x0000000004FC0000-0x00000000050A8000-memory.dmp

Filesize
928KB

Download
memory/1736-67-0x0000000004FC0000-0x00000000050A8000-memory.dmp

Filesize
928KB

Download
memory/1736-69-0x0000000004FC0000-0x00000000050A8000-memory.dmp

Filesize
928KB

Download
memory/1736-63-0x0000000004FC0000-0x00000000050A8000-memory.dmp

Filesize
928KB

Download
memory/1736-103-0x0000000004FC0000-0x00000000050A8000-memory.dmp

Filesize
928KB

Download
memory/1736-99-0x0000000004FC0000-0x00000000050A8000-memory.dmp

Filesize
928KB

Download
memory/1736-97-0x0000000004FC0000-0x00000000050A8000-memory.dmp

Filesize
928KB

Download
memory/1736-1117-0x0000000002090000-0x00000000020DC000-memory.dmp

Filesize
304KB

Download
memory/1736-57-0x0000000004FC0000-0x00000000050A8000-memory.dmp

Filesize
928KB

Download
memory/1736-59-0x0000000004FC0000-0x00000000050A8000-memory.dmp

Filesize
928KB

Download
memory/1736-87-0x0000000004FC0000-0x00000000050A8000-memory.dmp

Filesize
928KB

Download
memory/1736-86-0x0000000004FC0000-0x00000000050A8000-memory.dmp

Filesize
928KB

Download
memory/1736-83-0x0000000004FC0000-0x00000000050A8000-memory.dmp

Filesize
928KB

Download
memory/1736-81-0x0000000004FC0000-0x00000000050A8000-memory.dmp

Filesize
928KB

Download
memory/1736-79-0x0000000004FC0000-0x00000000050A8000-memory.dmp

Filesize
928KB

Download
memory/1736-101-0x0000000004FC0000-0x00000000050A8000-memory.dmp

Filesize
928KB

Download
memory/1736-89-0x0000000004FC0000-0x00000000050A8000-memory.dmp

Filesize
928KB

Download
memory/1736-77-0x0000000004FC0000-0x00000000050A8000-memory.dmp

Filesize
928KB

Download
memory/1736-75-0x0000000004FC0000-0x00000000050A8000-memory.dmp

Filesize
928KB

Download
memory/1736-73-0x0000000004FC0000-0x00000000050A8000-memory.dmp

Filesize
928KB

Download
memory/2336-2-0x0000000000111000-0x000000000013F000-memory.dmp

Filesize
184KB

Download
memory/2336-18-0x0000000006E00000-0x00000000072E2000-memory.dmp

Filesize
4.9MB

Download
memory/2336-10-0x0000000000110000-0x00000000005F2000-memory.dmp

Filesize
4.9MB

Download
memory/2336-3-0x0000000000110000-0x00000000005F2000-memory.dmp

Filesize
4.9MB

Download
memory/2336-1-0x0000000077BD0000-0x0000000077BD2000-memory.dmp

Filesize
8KB

Download
memory/2336-5-0x0000000000110000-0x00000000005F2000-memory.dmp

Filesize
4.9MB

Download
memory/2336-16-0x0000000000110000-0x00000000005F2000-memory.dmp

Filesize
4.9MB

Download
memory/2336-0-0x0000000000110000-0x00000000005F2000-memory.dmp

Filesize
4.9MB

Download
memory/2764-23-0x0000000000F50000-0x0000000001432000-memory.dmp

Filesize
4.9MB

Download
memory/2764-20-0x0000000000F50000-0x0000000001432000-memory.dmp

Filesize
4.9MB

Download
memory/2764-19-0x0000000000F51000-0x0000000000F7F000-memory.dmp

Filesize
184KB

Download
memory/2764-22-0x0000000000F50000-0x0000000001432000-memory.dmp

Filesize
4.9MB

Download
memory/2764-17-0x0000000000F50000-0x0000000001432000-memory.dmp

Filesize
4.9MB

Download
memory/2764-24-0x0000000000F50000-0x0000000001432000-memory.dmp

Filesize
4.9MB

Download
memory/2764-25-0x0000000000F50000-0x0000000001432000-memory.dmp

Filesize
4.9MB

Download