ardamax | 2e369480cf6cb08b3320e3e4419328a4cf7896edd9bd279bd5f8978dcfc3fba5

General

Target

JaffaCakes118_78610a1c01b956ec6de2dbd22c534e17.exe
Size

480KB
MD5

78610a1c01b956ec6de2dbd22c534e17
SHA1

83d23d36fb3131f5c8b1c6148ca0a096d9cfc9a6
SHA256

2e369480cf6cb08b3320e3e4419328a4cf7896edd9bd279bd5f8978dcfc3fba5
SHA512

8de1e4d9e176c2c277edb5dee68768d7bf15e9e0f4b225691fdadf93a32d659d15a05a113895e62c1895353ec3822cfb46a718084fc1a1fda0f4ef04942c37c6
SSDEEP

12288:GlNiWbz7iiJlEgyiYWy8DSXd1GXqCNWPSPvIua/pzj1:0iWbvleiFy8DSt1G1NW6Pw3zB

Score

10^/10

ardamax 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
behavioral1/files/0x0009000000016c68-9.dat	family_ardamax

Executes dropped EXE 1 IoCs

pid	Process
2316	WKAY.exe

Loads dropped DLL 5 IoCs

pid	Process
2412	JaffaCakes118_78610a1c01b956ec6de2dbd22c534e17.exe
2412	JaffaCakes118_78610a1c01b956ec6de2dbd22c534e17.exe
2412	JaffaCakes118_78610a1c01b956ec6de2dbd22c534e17.exe
2316	WKAY.exe
2316	WKAY.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\WKAY Agent = "C:\\Windows\\SysWOW64\\28463\\WKAY.exe"	WKAY.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	WKAY.exe
File created	C:\Windows\SysWOW64\28463\WKAY.001	JaffaCakes118_78610a1c01b956ec6de2dbd22c534e17.exe
File created	C:\Windows\SysWOW64\28463\WKAY.006	JaffaCakes118_78610a1c01b956ec6de2dbd22c534e17.exe
File created	C:\Windows\SysWOW64\28463\WKAY.007	JaffaCakes118_78610a1c01b956ec6de2dbd22c534e17.exe
File created	C:\Windows\SysWOW64\28463\WKAY.exe	JaffaCakes118_78610a1c01b956ec6de2dbd22c534e17.exe
File created	C:\Windows\SysWOW64\28463\AKV.exe	JaffaCakes118_78610a1c01b956ec6de2dbd22c534e17.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	JaffaCakes118_78610a1c01b956ec6de2dbd22c534e17.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WKAY.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	2316	WKAY.exe
Token: SeIncBasePriorityPrivilege	2316	WKAY.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2316	WKAY.exe
2316	WKAY.exe
2316	WKAY.exe
2316	WKAY.exe
2316	WKAY.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2412 wrote to memory of 2316	2412	JaffaCakes118_78610a1c01b956ec6de2dbd22c534e17.exe	30
PID 2412 wrote to memory of 2316	2412	JaffaCakes118_78610a1c01b956ec6de2dbd22c534e17.exe	30
PID 2412 wrote to memory of 2316	2412	JaffaCakes118_78610a1c01b956ec6de2dbd22c534e17.exe	30
PID 2412 wrote to memory of 2316	2412	JaffaCakes118_78610a1c01b956ec6de2dbd22c534e17.exe	30

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_78610a1c01b956ec6de2dbd22c534e17.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_78610a1c01b956ec6de2dbd22c534e17.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2412
- C:\Windows\SysWOW64\28463\WKAY.exe
  "C:\Windows\system32\28463\WKAY.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:2316

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\28463\AKV.exe

Filesize
395KB

MD5
adbec81b510dcfe49835f95940ef961d

SHA1
77940f6e46fbd5f53de23bd49afe9172470769d0

SHA256
466efb4b00255f21075b340fc2d2444f182947ab90270840543658c5fd3a9b95

SHA512
ef4324a06fbe960933f5551ea6ac587cd87cb6025bc6879a2b81a4d1033cfe87e244b6a87fb5db5ad065321ccbe8035cf24a668452d5b0c6a4063a355a12b2a7

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

Filesize
446B

MD5
efe8c580ecac381b518c0d87bd8c2643

SHA1
fba75f1e12de5d26e22201ddb3e47e03fd180e10

SHA256
ecce1e804b37535c140751eae9cf85c9c2479959ecee67164d8cc56ff76ce5dd

SHA512
c7daf7b199a3db4befa559ef290d27cd81ada638d6c0a424fbde1a5b1ebb1b8ae479da8e9d1a9c2e73ffacaf8dd83a30b136b219adef9ae1fcb5aa5f7c6816b6

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

Filesize
8KB

MD5
f5eff4f716427529b003207d5c953df5

SHA1
79696d6c8d67669ea690d240ef8978672e3d151c

SHA256
ac54ebb9eec3212f294462ce012fdc42f4b0896d785d776a5a2cc3599dc5bcde

SHA512
5a48599a5855f06c3e7d6f89c4e06bab1f4381b9d30cf3824c465b8fd6c142b316e6bd6aaad73d1f9b3e84d96113fb5e7374831bf503744013c9e1a0632a0caf

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

Filesize
5KB

MD5
bc75eddaa64823014fef0fe70bd34ffc

SHA1
15cd2ace3b68257faed33c78b794b2333eab7c0a

SHA256
9eada36d17635bedb85ce96a62cb019dbfee696b9986f69de7d5b5bc1f44df5d

SHA512
20db25f32f9cfdbffa4f30c0065125052c6e20b7dcc147fa7ebff38e37b51f6a43e48e486f148d7ee11671479b9fb0bbe1c6df151101af3b50c65fd334d13baa

Download Submit
\Users\Admin\AppData\Local\Temp\@BF88.tmp

Filesize
4KB

MD5
13e10cd76f11d6cb43182dcba7370171

SHA1
e6b8ce329e49ff09f1cb529c60fc466cb9a579c8

SHA256
f1265c88f0077009eaa18db413f156cc7ad8d41dc9d797dd1032b0e0ae9c40d5

SHA512
ee32ef3f50838936417e51dfd365b166456900e327dbe51902700bb3d562dea22e6fbd9009c822ba0562687001802a2e61d38123f81ae19f7b3d05bb1fd5cda8

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

Filesize
473KB

MD5
3c90d45b1c004e86a7f7a7a340f1abc8

SHA1
10602c450bcbda2735dc036f2e399646f0c64f4c

SHA256
f6d9c3bba7fc4dfa681cadf68f41093e3c431501c6789e891e599719e5d2781c

SHA512
85457be4c2aa76ede288cd185131d46e5f0b37187313f3a54fe789e28929ec6e44282f4ba0981f46354705cd5da83990586c8846f52fcdb807908254c8719cc1

Download Submit
memory/2316-24-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/2316-27-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads