ardamax | 93e83ef63ba1b9df2549006c757716c91964ff756014c7cb1268d27b10e3394c

General

Target

bffb9e9c0b928e28826af1f6ce8722a9_JaffaCakes118.exe
Size

1.2MB
MD5

bffb9e9c0b928e28826af1f6ce8722a9
SHA1

f7c808363fb67db51e8283243a24992b876f943f
SHA256

93e83ef63ba1b9df2549006c757716c91964ff756014c7cb1268d27b10e3394c
SHA512

de7e996e4377ad56a01263f3fa286f30a024b71394e07c1256666fe20ca5c33f3415e07529d01c31fba101a2f9ef6cc1b66196a66511abeb0b48fd93f6f865dc
SSDEEP

24576:iU4oTVr99gQ0rOj3j/gysk606O4/6tDKO4ksG/1jshhimvwNcydPyGwp4F2gF5:iULTVxBjUyGZ/KOx+j0hLvpyd6pgF

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/0x00070000000234a2-8.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-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation	bffb9e9c0b928e28826af1f6ce8722a9_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
4836	YHR.exe

Loads dropped DLL 1 IoCs

pid	Process
4836	YHR.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\YHR Start = "C:\\Windows\\SysWOW64\\DDACYK\\YHR.exe"	YHR.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\DDACYK\YHR.004	bffb9e9c0b928e28826af1f6ce8722a9_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\DDACYK\YHR.001	bffb9e9c0b928e28826af1f6ce8722a9_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\DDACYK\YHR.002	bffb9e9c0b928e28826af1f6ce8722a9_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\DDACYK\AKV.exe	bffb9e9c0b928e28826af1f6ce8722a9_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\DDACYK\YHR.exe	bffb9e9c0b928e28826af1f6ce8722a9_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\DDACYK\	YHR.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	bffb9e9c0b928e28826af1f6ce8722a9_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	YHR.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	4836	YHR.exe
Token: SeIncBasePriorityPrivilege	4836	YHR.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4836	YHR.exe
4836	YHR.exe
4836	YHR.exe
4836	YHR.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3316 wrote to memory of 4836	3316	bffb9e9c0b928e28826af1f6ce8722a9_JaffaCakes118.exe	85
PID 3316 wrote to memory of 4836	3316	bffb9e9c0b928e28826af1f6ce8722a9_JaffaCakes118.exe	85
PID 3316 wrote to memory of 4836	3316	bffb9e9c0b928e28826af1f6ce8722a9_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\bffb9e9c0b928e28826af1f6ce8722a9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\bffb9e9c0b928e28826af1f6ce8722a9_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3316
- C:\Windows\SysWOW64\DDACYK\YHR.exe
  "C:\Windows\system32\DDACYK\YHR.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:4836

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

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Downloads

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

Filesize
456KB

MD5
48cfaed4d566c34716326302b49bdad2

SHA1
566e0989b6bc7ed205f9ae250ea98e3a4d7fba52

SHA256
54c2e10de3ed7135d20c239a7f656c6ff57d1158607fa4c6779e042681de87ea

SHA512
96c871ed9af039142aab5904021d3ef3f75a58c5cc1fdf4d59e40e3699fd03e7cff384b788f7359a1de519ebdcafdad55891fef4f67e2c216ea89ebc945996a0

Download Submit
C:\Windows\SysWOW64\DDACYK\YHR.001

Filesize
60KB

MD5
a15c556f17d7db8287e023138942d5db

SHA1
880bf8ec944120830dc2e2e040e5996e4e0e6c83

SHA256
f3716810ab011a4cb7693d31b69cd540380ef2a067724e0d568070c8a558694e

SHA512
930339711e3d73e5af0778367a648c94411c20d23bf4c27ec5d72222e76b8902eb3fc0992d70cc4141600c19087159514246d42f1e762c98dad306f8e0bd99cd

Download Submit
C:\Windows\SysWOW64\DDACYK\YHR.002

Filesize
43KB

MD5
daabecdfba287a3333b60ae82211acd7

SHA1
e67b4c7bf0dd71ad47263a58bb60be4bce504b84

SHA256
12981c35adf6f00c7dddbc3ab23c04c30133cc5be107015dab9fd7ba4e8b4173

SHA512
937f551f959bd823292fe5983bbfb1c3a6dd86426a5da228dc7ddba38138c898599bc713d707b9d3463b20825cee0783d92c1c19019cd0328986a8aef5c1222f

Download Submit
C:\Windows\SysWOW64\DDACYK\YHR.004

Filesize
1KB

MD5
df06dff50b4e63cfcd77a75b79faf764

SHA1
569dd1c5bd0fa249929fdfb554bd8205b0db318a

SHA256
ef0abb7874d94ce1e20cd28d483c8902558932222010ebd39a521dce97f4e96f

SHA512
1670a9005bcbcf66bf0d50bd301b7378c3df40e79c598b81703a5a63bed4a794986f6b8b6cf2f744a07a9326a716177371ea90e66fc02fd1329a7b122e328ff6

Download Submit
C:\Windows\SysWOW64\DDACYK\YHR.exe

Filesize
1.7MB

MD5
f3819a6cab8ae058254c4abb3844d87e

SHA1
0f8b1a74af87f1823ec0d76e21a8d54d55a53a8b

SHA256
3d656d1364b4b2382020f64990a2c630b7b9422ca7b7fe2c30646fda3303e6c9

SHA512
dfe9d342f3ad543fec8bd278e21ac5059b1c36ed3f735734e9b92d639cb25609f9307862ab2b35ea3e88713f4a652abe5863871225f915462c79d493ac5e1f57

Download Submit
memory/4836-16-0x00000000006F0000-0x00000000006F1000-memory.dmp

Filesize
4KB

Download
memory/4836-18-0x00000000006F0000-0x00000000006F1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads