ardamax | 1aa76b09b923133745f11b808e50fa298de4b6de5c735797cc92a0cf3c43ab48

General

Target

efdd687aac77adae457ccb109b99ebb7_JaffaCakes118.exe
Size

1.2MB
MD5

efdd687aac77adae457ccb109b99ebb7
SHA1

55034d88f1966fc0b2893664d6842a97374d98da
SHA256

1aa76b09b923133745f11b808e50fa298de4b6de5c735797cc92a0cf3c43ab48
SHA512

269ab99de9fc712f7148620da879070380f4e59263e125e568a29a27c610775eb77dc640136e1777520b90a199f83cb47f8c26991358bb1400570cfe9f3fcab3
SSDEEP

24576:+GaUTig8fyS0l5nLnwz3j/AAzK/TTcOCgWH8Bv9mMV/Jv2DyiJCzq6u8dN:+GrTHHn2cA9oqS9rqyvjH

Score

10^/10

ardamax discovery keylogger persistence stealer

Malware Config

Signatures

Ardamax
A keylogger first seen in 2013.
keylogger stealer ardamax

Ardamax main executable 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000019230-6.dat	family_ardamax

Executes dropped EXE 1 IoCs

pid	Process
2756	KTW.exe

Loads dropped DLL 3 IoCs

pid	Process
1792	efdd687aac77adae457ccb109b99ebb7_JaffaCakes118.exe
2756	KTW.exe
2680	NOTEPAD.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\KTW Start = "C:\\Windows\\SysWOW64\\YDDYFA\\KTW.exe"	KTW.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 created	C:\Windows\SysWOW64\YDDYFA\KTW.002	efdd687aac77adae457ccb109b99ebb7_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\YDDYFA\AKV.exe	efdd687aac77adae457ccb109b99ebb7_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\YDDYFA\KTW.exe	efdd687aac77adae457ccb109b99ebb7_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\YDDYFA\	KTW.exe
File created	C:\Windows\SysWOW64\YDDYFA\KTW.004	efdd687aac77adae457ccb109b99ebb7_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\YDDYFA\KTW.001	efdd687aac77adae457ccb109b99ebb7_JaffaCakes118.exe

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	NOTEPAD.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	efdd687aac77adae457ccb109b99ebb7_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	KTW.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	2756	KTW.exe
Token: SeIncBasePriorityPrivilege	2756	KTW.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2756	KTW.exe
2756	KTW.exe
2756	KTW.exe
2756	KTW.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1792 wrote to memory of 2756	1792	efdd687aac77adae457ccb109b99ebb7_JaffaCakes118.exe	30
PID 1792 wrote to memory of 2756	1792	efdd687aac77adae457ccb109b99ebb7_JaffaCakes118.exe	30
PID 1792 wrote to memory of 2756	1792	efdd687aac77adae457ccb109b99ebb7_JaffaCakes118.exe	30
PID 1792 wrote to memory of 2756	1792	efdd687aac77adae457ccb109b99ebb7_JaffaCakes118.exe	30
PID 1792 wrote to memory of 2680	1792	efdd687aac77adae457ccb109b99ebb7_JaffaCakes118.exe	31
PID 1792 wrote to memory of 2680	1792	efdd687aac77adae457ccb109b99ebb7_JaffaCakes118.exe	31
PID 1792 wrote to memory of 2680	1792	efdd687aac77adae457ccb109b99ebb7_JaffaCakes118.exe	31
PID 1792 wrote to memory of 2680	1792	efdd687aac77adae457ccb109b99ebb7_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\efdd687aac77adae457ccb109b99ebb7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\efdd687aac77adae457ccb109b99ebb7_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1792
- C:\Windows\SysWOW64\YDDYFA\KTW.exe
  "C:\Windows\system32\YDDYFA\KTW.exe"
  2⤵
  - 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:2756
- C:\Windows\SysWOW64\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\Leia me.txt
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2680

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
456KB

MD5
45a56a60fc710085ef72a86ae4de2a44

SHA1
91133410b770cfc8433b976aa44fc34346e614e6

SHA256
82d3a18d8121ad32e61d0c1fc1dabb2073d21ce82431c9d1259e2589aad373e2

SHA512
c4322b3b668efd8858ce71e1d80e25f21f75b39d4331d8c88050a8f484e524eac58226dfdbeb89fe569e89a6e93fcbb3300d537666126eb3fbf4fe54136aabbf

Download Submit
C:\Windows\SysWOW64\YDDYFA\KTW.002

Filesize
43KB

MD5
af3efaa90f29f6506693136ae1674fc7

SHA1
897aea8f6df7e29d43954512fc390b97c0eb4550

SHA256
4658d92f74df5ee142c08157985e25e41f74aaaa4256df9dfc9a011b7c3f0f44

SHA512
1a87ce2d0767204b1d636ce70c083c71f5cfa064680218906ff86c233968baca7ef605f2b1d9bfaf8326a8cbff7074ace766604b283c1a2b50d5788038dc9863

Download Submit
C:\Windows\SysWOW64\YDDYFA\KTW.004

Filesize
1KB

MD5
cb424f887153ae6f7212563610987aab

SHA1
cb1c8159c795828ec1d5997584d1ff56733459eb

SHA256
2c24c8e921a85de4ee744b35ebf847ddac7708e3be6e39a4ed521d793c572cb0

SHA512
42081066ab222e959c8c07f7673d6715225fc6cdb4523e4a30406104d9d846b43d8d6a961fafe0b91bfc4dc79d9f3a07e54e3b7be3a6b4fa79de1a665c10f269

Download Submit
\Windows\SysWOW64\YDDYFA\KTW.001

Filesize
60KB

MD5
5b79ad0d1d30119158b5ab4147edbd96

SHA1
6f802d57d49d7063e40b7bebafa8fb1051e0a907

SHA256
4ccebd38ac000cbc33a6cfc2e87e900ef64ba4b978f3facfdb5870e217ac3ff7

SHA512
497e3eff3c7356cf12efd153b651d1a1ef2cb07302eb5b71dcff0d6732e5273bcff5f82897dff85cdaae0bc159fa9c4588e3bc90ab12521532675bf116757c6b

Download Submit
\Windows\SysWOW64\YDDYFA\KTW.exe

Filesize
1.7MB

MD5
78dd492b06d03744d1954781d33775ca

SHA1
ef9462193e6ba7be64458ea1be6afcaeadc574b1

SHA256
c0664f94e9b2a7817f79b9457c31e524ef72ed7c073e79546d67e857b4637ede

SHA512
f88734970018f46b8c4ce350cccf577ac056957e933deb493becbc30b7165834ca68db423850220f8944b364dc97e1423247192faf4f3e4db85cf25c4576eef9

Download Submit
memory/2756-16-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2756-20-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads