ardamax | 8169db876048165352ba1bb0a0a3f4c1861bad4e2b020432e05bb5a68ee9f993

General

Target

Trojan-Dropper.Win32.Delf.exe
Size

489KB
MD5

03f46894c162c72db745d1d2a860902a
SHA1

0584d0b038cf8172b539ca692295c9a85fcade1a
SHA256

199b3eedfc324386e9d9054e9bcb350a9cb4a98e725042142497ad27ba30ce68
SHA512

c0b85a4675e28cfadb72b91f6e69662331a0b66d740ce880532973728336cbfd1d28c29ebda5dc5ca24cddefaf9ec027c58a6a8b536aa7f89ad36ea7c870d7ac
SSDEEP

12288:pfmxUoQ/uI2TuMvHLegSA1lBcG2QaZAvs5JPjFXlJ6:RIIqKMvagt1cbGiPjVO

Score

10^/10

ardamax discovery keylogger persistence stealer upx

Malware Config

Signatures

Ardamax
A keylogger first seen in 2013.
keylogger stealer ardamax
Ardamax family
ardamax

Ardamax main executable 1 IoCs

resource	yara_rule
behavioral1/files/0x00050000000186ee-25.dat	family_ardamax

Executes dropped EXE 2 IoCs

pid	Process
2544	Install.exe
2772	NVFI.exe

Loads dropped DLL 12 IoCs

pid	Process
2520	Trojan-Dropper.Win32.Delf.exe
2544	Install.exe
2544	Install.exe
2544	Install.exe
2544	Install.exe
2544	Install.exe
2544	Install.exe
2772	NVFI.exe
2772	NVFI.exe
2772	NVFI.exe
2772	NVFI.exe
2772	NVFI.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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\NVFI Agent = "C:\\Windows\\SysWOW64\\28463\\NVFI.exe"	NVFI.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Drops file in System32 directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\28463	NVFI.exe
File created	C:\Windows\SysWOW64\28463\NVFI.001	Install.exe
File created	C:\Windows\SysWOW64\28463\NVFI.006	Install.exe
File created	C:\Windows\SysWOW64\28463\NVFI.007	Install.exe
File created	C:\Windows\SysWOW64\28463\NVFI.exe	Install.exe
File created	C:\Windows\SysWOW64\28463\AKV.exe	Install.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2520-0-0x0000000000400000-0x000000000040D000-memory.dmp	upx
behavioral1/memory/2520-10-0x0000000000400000-0x000000000040D000-memory.dmp	upx

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

System Information Discovery
T1082

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	Trojan-Dropper.Win32.Delf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Install.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NVFI.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	2772	NVFI.exe
Token: SeIncBasePriorityPrivilege	2772	NVFI.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2772	NVFI.exe
2772	NVFI.exe
2772	NVFI.exe
2772	NVFI.exe
2772	NVFI.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2520 wrote to memory of 2544	2520	Trojan-Dropper.Win32.Delf.exe	30
PID 2520 wrote to memory of 2544	2520	Trojan-Dropper.Win32.Delf.exe	30
PID 2520 wrote to memory of 2544	2520	Trojan-Dropper.Win32.Delf.exe	30
PID 2520 wrote to memory of 2544	2520	Trojan-Dropper.Win32.Delf.exe	30
PID 2520 wrote to memory of 2544	2520	Trojan-Dropper.Win32.Delf.exe	30
PID 2520 wrote to memory of 2544	2520	Trojan-Dropper.Win32.Delf.exe	30
PID 2520 wrote to memory of 2544	2520	Trojan-Dropper.Win32.Delf.exe	30
PID 2544 wrote to memory of 2772	2544	Install.exe	31
PID 2544 wrote to memory of 2772	2544	Install.exe	31
PID 2544 wrote to memory of 2772	2544	Install.exe	31
PID 2544 wrote to memory of 2772	2544	Install.exe	31
PID 2544 wrote to memory of 2772	2544	Install.exe	31
PID 2544 wrote to memory of 2772	2544	Install.exe	31
PID 2544 wrote to memory of 2772	2544	Install.exe	31

C:\Users\Admin\AppData\Local\Temp\Trojan-Dropper.Win32.Delf.exe
"C:\Users\Admin\AppData\Local\Temp\Trojan-Dropper.Win32.Delf.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2520
- C:\Users\Admin\AppData\Local\Temp\Install.exe
  "C:\Users\Admin\AppData\Local\Temp\Install.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2544
- - C:\Windows\SysWOW64\28463\NVFI.exe
    "C:\Windows\system32\28463\NVFI.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Adds Run key to start application
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:2772

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\28463\AKV.exe

Filesize
395KB

MD5
d63cc8679a63448db1c64252e14e4ab5

SHA1
10b3a9ac4bc16e8ac1cd05e50b4d540fa3ef223e

SHA256
29b3646a556879a4a48e4f2f81e09179c34ac2051ed3e4f4c28e293092470d3d

SHA512
cb1911e1a77fb9be560aa4fd8bbef65e181b6d4438d65657501dbcd8dbf488ba01738a7222f35f8d4317e8df8c6f307d9e3623d6e3e45753e138b80fb68ff768

Download Submit
C:\Windows\SysWOW64\28463\NVFI.001

Filesize
412B

MD5
c123ba13fda81be349d077eadada17ed

SHA1
fb5abdb77b56e03291c8abe22417fc886014e5fd

SHA256
915a7476d66007387cb9b38f4e0444ec18b0a77d14de200c2d2483326234bc9b

SHA512
c9e60217def48e1711d5272c8afbbfa727eef90531a1f7ee09283f389828fce570f650c2005694225dbf5982343290cd22482cb846f6ad1594612108f97b7821

Download Submit
C:\Windows\SysWOW64\28463\NVFI.006

Filesize
8KB

MD5
81e20f4361cf8f5a57812871c24d945e

SHA1
5d7877d6959ab26599b05795a71633f00c37a3da

SHA256
e6e8b4a29dccb3531f58c75b754caf7f26afe3e7043239305fd0ae7ab2f7571d

SHA512
69b1d75ab7123054bf98cf3a0f2cc7a0749cda8d85ebdef85be7d89f1454154ce29070907b934727a6c5276ff430e94810b87a5634d25d8529df9ee36fd20818

Download Submit
C:\Windows\SysWOW64\28463\NVFI.007

Filesize
5KB

MD5
e9fbdcc2f5fb657fa519b3f5c69fc52d

SHA1
c49cca77b46a59d620711de7564d43e5dafcd2b5

SHA256
cc440cfc4ce1a1ff503cc9e8937c59aae64bfce4daa3e7dc757220a25cadc2e4

SHA512
913759967e16b99d8ea66433e5dc99d5ddbf737be6784306e67c2b23a525b7a578fcae1028221d3209abc452ff30508eb750c62113c3868a7af36b544e525fb1

Download Submit
\Users\Admin\AppData\Local\Temp\@B329.tmp

Filesize
4KB

MD5
25530555085337eb644b061f239aa9d4

SHA1
8d91e099aba5439d4bfa8bce464c94e3e1acf620

SHA256
3fb6b438ad1530abdd068bffb303fb8a4de51430e0e18ddb6b1a0469ffab8325

SHA512
b1f9de0c276533a5a7070aeb2b6415cc1c0bdd2baf5e0645c6ac5ba767cab0d76e5b4461800d89724992af2c863294ada3c1eb2e4516183fe2010c33d47d6a2a

Download Submit
\Users\Admin\AppData\Local\Temp\Install.exe

Filesize
480KB

MD5
4641a8697a9e97e98ffbb45bd1ac341a

SHA1
d5aad7682b02e4dc3f9183319b065018e7376bf4

SHA256
21de710a50df66d00f89bb7bb8fce573c8dcf9a98c6ea538ee881f88100f3b86

SHA512
2aad98836cad500c16c1af0c5adab66dbf0e10efe0b4f7b248e6bf308a6fd8f6e6bddd50d4b9396b949808dd869e321466fa2805cbe3135c2e5540518ea8b2b2

Download Submit
\Windows\SysWOW64\28463\NVFI.exe

Filesize
473KB

MD5
97d8ad45f48b4b28a93aab94699b7168

SHA1
8b69b7fd7c008b95d12386f6da415097e72151de

SHA256
661df22a66b2062b233eb0bd9665de924cfe0ac9c6ba29e20ffef24f817f9331

SHA512
3351eac970bab391de410fcf1937da75d2e4722b808f10332f487ddfe469544e32e7d4ed0e5bdc19bd5f472cffcc55ca1498c95945b4e9c4ceff6ff5cc521c8a

Download Submit
memory/2520-0-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/2520-10-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads