ardamax | 46f20fb8d9d1d43a7c252f78f00c92e941aeacbb7a40bf7255c5ff2811af6d07

General

Target

4685ee1054bd4fc1a6c41f71e5fa8a97_JaffaCakes118.exe
Size

1.2MB
MD5

4685ee1054bd4fc1a6c41f71e5fa8a97
SHA1

a2b46b615d41ada09aaeeb2c7b3ab3059f0b7b18
SHA256

46f20fb8d9d1d43a7c252f78f00c92e941aeacbb7a40bf7255c5ff2811af6d07
SHA512

d639290848e7302d97bfa1e035f4cecfb3c77c4fa1b7f41f02100c53a1ea49c403bb1bc0badceeeee5c254ee44fab8d5f2683a712fdb5082e791c7c3930be8d1
SSDEEP

24576:QH0KuTrEjsSdOk1HRKc4+rK9pcDwMZG4RASyR2VKw1L0zKMIts:QH0RTrEo8Ok1xKh+rKpKGuxlx1gx

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
behavioral2/files/0x0007000000023c7c-7.dat	family_ardamax

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	4685ee1054bd4fc1a6c41f71e5fa8a97_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
3956	GBG.exe

Loads dropped DLL 1 IoCs

pid	Process
3956	GBG.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\GBG Start = "C:\\Windows\\SysWOW64\\IURHAE\\GBG.exe"	GBG.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 5 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\IURHAE\GBG.002	4685ee1054bd4fc1a6c41f71e5fa8a97_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\IURHAE\GBG.exe	4685ee1054bd4fc1a6c41f71e5fa8a97_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\IURHAE\	GBG.exe
File created	C:\Windows\SysWOW64\IURHAE\GBG.004	4685ee1054bd4fc1a6c41f71e5fa8a97_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\IURHAE\GBG.001	4685ee1054bd4fc1a6c41f71e5fa8a97_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 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	4685ee1054bd4fc1a6c41f71e5fa8a97_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	GBG.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	3956	GBG.exe
Token: SeIncBasePriorityPrivilege	3956	GBG.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3956	GBG.exe
3956	GBG.exe
3956	GBG.exe
3956	GBG.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4224 wrote to memory of 3956	4224	4685ee1054bd4fc1a6c41f71e5fa8a97_JaffaCakes118.exe	84
PID 4224 wrote to memory of 3956	4224	4685ee1054bd4fc1a6c41f71e5fa8a97_JaffaCakes118.exe	84
PID 4224 wrote to memory of 3956	4224	4685ee1054bd4fc1a6c41f71e5fa8a97_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\4685ee1054bd4fc1a6c41f71e5fa8a97_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4685ee1054bd4fc1a6c41f71e5fa8a97_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4224
- C:\Windows\SysWOW64\IURHAE\GBG.exe
  "C:\Windows\system32\IURHAE\GBG.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:3956

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

2

T1012

System Information Discovery

2

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\IURHAE\GBG.001

Filesize
61KB

MD5
661dbca8402ba82c0700f0adfa8a3ce5

SHA1
f90fb758a2b76335be66497cd173fb0ef059516f

SHA256
d8924592792dbc41ada0741375bf5960417676491a2696c9c1bffc5eea9c9d22

SHA512
774c35ec0938e1658f30c523babf5c393a1d4d3733f4b974ae734824b3afd690621c5a8be4541bd769c7181bd1468f86fe31a30a60445cc4897033f60459a4ca

Download Submit
C:\Windows\SysWOW64\IURHAE\GBG.002

Filesize
43KB

MD5
76a1d9ae4d761069b795d6e891855aa5

SHA1
1540e9abb812497007aee9885d1ea35e810defff

SHA256
02a1f41970ded0a4fb834db6ced2f54b432a29048831de7793bc0aa459970567

SHA512
4dc3af04fa7494ea67ef4f44bdb3c681d01ef8cd2ad37c98e5a1b41d7ef10efff1bf55c167f7faac9b0298773a5864d06fb860fee5724463f8eef2c1a978bbfa

Download Submit
C:\Windows\SysWOW64\IURHAE\GBG.004

Filesize
1KB

MD5
97c827477831befcf46229d954b208d8

SHA1
264e55601c70ed28c6aa705f482d3b56f7f33480

SHA256
be27af7e9e4de8cef86b61e8b9830a1bcb7e98de154d91de64e24a164903b56d

SHA512
6144f4aa6bf010ad62b780358df05e00e0833e1ee0564f4fa12cb31d12355f68c4685b9aa2dc3bf51fc4c1a060f8b1657591409d2f6695109829c6943fdf6e17

Download Submit
C:\Windows\SysWOW64\IURHAE\GBG.exe

Filesize
1.7MB

MD5
9be3091aa81569ce6ae396c39a4bdd9e

SHA1
805d6fa574027836c13bdd1fae956fd55c0002e9

SHA256
74d1f43449380ab7960d9655d897d413010a2171e201ea7c8039a3c9a671fd46

SHA512
e1627ecb79a5e4a5fafa1f31fe4c22c5f899eb4f0ea2887da9090b42d3ecba1a0540829b42064aad2779346dad493e25ad428703b932448c1d5973d46b6ba4e0

Download Submit
memory/3956-14-0x0000000000B70000-0x0000000000B71000-memory.dmp

Filesize
4KB

Download
memory/3956-16-0x0000000000B70000-0x0000000000B71000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads