ardamax | 23e304230770e91b8eabfb113e45468925abbaa4bf0d56d42f41ee309042e5f8

General

Target

f6ae1a009e35bad72e86079b11923894_JaffaCakes118.exe
Size

1.3MB
MD5

f6ae1a009e35bad72e86079b11923894
SHA1

e1fd71bfa708bcca503f8acdb026110eb7ead344
SHA256

23e304230770e91b8eabfb113e45468925abbaa4bf0d56d42f41ee309042e5f8
SHA512

91b1c6cc978a2729da08ac11f07b27017afa978e0d424c656b1656fda2d0f4f6f199f953e0c5cbdd2b114b5e474b935e2ee6e6457651f2d8df1a71aa16d27162
SSDEEP

24576:gaM4SnVqARgA6wwedEhFVYaMNjr5Xqv7VUxwooB8DJ4U2qZ0EtWA+Hvp/:+4SnVjRTiG4FVYBNjt6zVUBoiDJXHZ0H

Score

10^/10

ardamax defense_evasion discovery keylogger persistence stealer

Malware Config

Signatures

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

Ardamax main executable 1 IoCs

resource	yara_rule
behavioral2/files/0x000a000000023b9b-20.dat	family_ardamax

Checks computer location settings 2 TTPs 2 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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	f6ae1a009e35bad72e86079b11923894_JaffaCakes118.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	EPK.exe

Executes dropped EXE 1 IoCs

pid	Process
3988	EPK.exe

Loads dropped DLL 1 IoCs

pid	Process
3988	EPK.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\EPK Start = "C:\\Windows\\SysWOW64\\LGXNNC\\EPK.exe"	EPK.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
Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\LGXNNC\EPK.001	f6ae1a009e35bad72e86079b11923894_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\LGXNNC\EPK.002	f6ae1a009e35bad72e86079b11923894_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\LGXNNC\AKV.exe	f6ae1a009e35bad72e86079b11923894_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\LGXNNC\EPK.exe	f6ae1a009e35bad72e86079b11923894_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\LGXNNC\	EPK.exe
File created	C:\Windows\SysWOW64\LGXNNC\EPK.004	f6ae1a009e35bad72e86079b11923894_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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f6ae1a009e35bad72e86079b11923894_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EPK.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: 33	3988	EPK.exe
Token: SeIncBasePriorityPrivilege	3988	EPK.exe
Token: SeIncBasePriorityPrivilege	3988	EPK.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3988	EPK.exe
3988	EPK.exe
3988	EPK.exe
3988	EPK.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 448 wrote to memory of 3988	448	f6ae1a009e35bad72e86079b11923894_JaffaCakes118.exe	82
PID 448 wrote to memory of 3988	448	f6ae1a009e35bad72e86079b11923894_JaffaCakes118.exe	82
PID 448 wrote to memory of 3988	448	f6ae1a009e35bad72e86079b11923894_JaffaCakes118.exe	82
PID 3988 wrote to memory of 2332	3988	EPK.exe	92
PID 3988 wrote to memory of 2332	3988	EPK.exe	92
PID 3988 wrote to memory of 2332	3988	EPK.exe	92

C:\Users\Admin\AppData\Local\Temp\f6ae1a009e35bad72e86079b11923894_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f6ae1a009e35bad72e86079b11923894_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:448
- C:\Windows\SysWOW64\LGXNNC\EPK.exe
  "C:\Windows\system32\LGXNNC\EPK.exe"
  2⤵
  - Checks computer location settings
  - 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
  - Suspicious use of WriteProcessMemory
  PID:3988
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del C:\Windows\SysWOW64\LGXNNC\EPK.exe > nul
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2332

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

Indicator Removal

1

T1070

File Deletion

Modify Registry

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

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Downloads

C:\ProgramData\jI82l\PCGWIN32.LI5

Filesize
2KB

MD5
db4469edda5b705875f61c2dd35e03f1

SHA1
cfd4675d5a65bc974efb0ce8b886a479060e656d

SHA256
cb6fea8d48b1a9a33c649269fb1a4d5dddcc4a16fad85e417be9904c304d21ba

SHA512
e31c31c8562068605231562f39bbb71cb6b72d5bb1454fb28099ea77fa82b97f4b07668cdc952b418503c93c9bffdfb88cc7935d736f497c52828421b8511a7f

Download Submit
C:\Windows\SysWOW64\LGXNNC\AKV.exe

Filesize
456KB

MD5
51507d91d43683b9c4b8fafeb4d888f8

SHA1
ead2f68338da7af4720378cd46133589fc9405ba

SHA256
71b3aecefd36e4855a369019ac5871c544d39f8889d23cd455466a24cdecce6b

SHA512
a5a7ff3f8ffb72719b7e2c9dc2719c99ea32bd68994918ea027c0d7d54cfe0c80bfd34486dd8d3cdd390376bc4c8d1f7d97de4b98b7d39a3e10c3e2682c07d1c

Download Submit
C:\Windows\SysWOW64\LGXNNC\EPK.001

Filesize
61KB

MD5
383d5f5d4240d590e7dec3f7312a4ac7

SHA1
f6bcade8d37afb80cf52a89b3e84683f4643fbce

SHA256
7e87f6817b17a75106d34ce9884c40ddfb381bf8f2013930916498d1df0a6422

SHA512
e652c41ec95d653940b869426bc2cbd8e5b3159110ffaab7d623e23eebe1f34ca65be6a9a9cdcd5f41aec7567469d6b4d6362d24ae92267cddb8940e1265806a

Download Submit
C:\Windows\SysWOW64\LGXNNC\EPK.002

Filesize
43KB

MD5
93df156c4bd9d7341f4c4a4847616a69

SHA1
c7663b32c3c8e247bc16b51aff87b45484652dc1

SHA256
e55b6eabf0f99b90bd4cf3777c25813bded7b6fc5c9955188c8aa5224d299c3e

SHA512
ed2e98c5fd1f0d49e5bac8baa515d489c89f8d42772ae05e4b7a32da8f06d511adad27867034ca0865beae9f78223e95c7d0f826154fc663f2fab9bd61e36e35

Download Submit
C:\Windows\SysWOW64\LGXNNC\EPK.004

Filesize
1KB

MD5
833761dd54349053056306ef9cd99789

SHA1
ca593aa8c5e40f0331539be4129ed8d05aa16b68

SHA256
c6a2ab183287affccafc2f93efc52b402b52011c4b42f8853522af0a10f3515f

SHA512
5c4055bceaa4733e32ae59ef86a227f5c9c4c7d1da53b60130719a4924881317ea80eb362f686a6dc5337a46914932cbdbd5e3daa5d7f9b9a200b49b37842d5e

Download Submit
C:\Windows\SysWOW64\LGXNNC\EPK.exe

Filesize
1.7MB

MD5
3cd29c0df98a7aeb69a9692843ca3edb

SHA1
7c86aea093f1979d18901bd1b89a2b02a60ac3e2

SHA256
5a37cd66508fa3fc85ae547de3498e709bd45167cb57f5e9b271dc3a1cb71a32

SHA512
e78f3206b1878e8db1766d4038a375bbebcbcdb8d1b0a0cb9b0dc72c54881392b9c27e2864ad9118702da58f203f13e0ad5d230980ad1ef2370391a2c4acffc9

Download Submit
memory/448-0-0x00000000005B0000-0x00000000006F5000-memory.dmp

Filesize
1.3MB

Download
memory/448-25-0x00000000005B0000-0x00000000006F5000-memory.dmp

Filesize
1.3MB

Download
memory/3988-30-0x0000000000610000-0x0000000000611000-memory.dmp

Filesize
4KB

Download
memory/3988-32-0x0000000000610000-0x0000000000611000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads