ardamax | 5d0b483981ec7400db1a2503ed9b49e85e5fa334afc20415984fc4f63beb7a26

General

Target

JaffaCakes118_6b189408b36bec7165f7eeff9565b412.exe
Size

271KB
MD5

6b189408b36bec7165f7eeff9565b412
SHA1

de75b73f331529558a4e27eddf80dad0beaef12b
SHA256

5d0b483981ec7400db1a2503ed9b49e85e5fa334afc20415984fc4f63beb7a26
SHA512

510af8659347ee15ad40d012b3160d9e79b67886d70d9b7f166a5ca0b6b3147d8993af745cf1e31a909700204aee4eb176025552ab75e766f7030d90727f22c1
SSDEEP

6144:lov68l07T11n3CAz5ahG/dw/tc+32sO3LkFuvrqh24wvej1VH8xDQ:aGbdzchgdwln1ObkFB24Qy2W

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
behavioral2/files/0x0031000000023b70-12.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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	JaffaCakes118_6b189408b36bec7165f7eeff9565b412.exe

Executes dropped EXE 1 IoCs

pid	Process
1836	BOYL.exe

Loads dropped DLL 4 IoCs

pid	Process
868	JaffaCakes118_6b189408b36bec7165f7eeff9565b412.exe
1836	BOYL.exe
1836	BOYL.exe
1836	BOYL.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\BOYL Agent = "C:\\Windows\\SysWOW64\\28463\\BOYL.exe"	BOYL.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\28463\BOYL.001	JaffaCakes118_6b189408b36bec7165f7eeff9565b412.exe
File created	C:\Windows\SysWOW64\28463\BOYL.006	JaffaCakes118_6b189408b36bec7165f7eeff9565b412.exe
File created	C:\Windows\SysWOW64\28463\BOYL.007	JaffaCakes118_6b189408b36bec7165f7eeff9565b412.exe
File created	C:\Windows\SysWOW64\28463\BOYL.exe	JaffaCakes118_6b189408b36bec7165f7eeff9565b412.exe
File opened for modification	C:\Windows\SysWOW64\28463	BOYL.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_6b189408b36bec7165f7eeff9565b412.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BOYL.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	1836	BOYL.exe
Token: SeIncBasePriorityPrivilege	1836	BOYL.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1836	BOYL.exe
1836	BOYL.exe
1836	BOYL.exe
1836	BOYL.exe
1836	BOYL.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 868 wrote to memory of 1836	868	JaffaCakes118_6b189408b36bec7165f7eeff9565b412.exe	82
PID 868 wrote to memory of 1836	868	JaffaCakes118_6b189408b36bec7165f7eeff9565b412.exe	82
PID 868 wrote to memory of 1836	868	JaffaCakes118_6b189408b36bec7165f7eeff9565b412.exe	82

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6b189408b36bec7165f7eeff9565b412.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6b189408b36bec7165f7eeff9565b412.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:868
- C:\Windows\SysWOW64\28463\BOYL.exe
  "C:\Windows\system32\28463\BOYL.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:1836

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:\Users\Admin\AppData\Local\Temp\@7918.tmp

Filesize
4KB

MD5
25530555085337eb644b061f239aa9d4

SHA1
8d91e099aba5439d4bfa8bce464c94e3e1acf620

SHA256
3fb6b438ad1530abdd068bffb303fb8a4de51430e0e18ddb6b1a0469ffab8325

SHA512
b1f9de0c276533a5a7070aeb2b6415cc1c0bdd2baf5e0645c6ac5ba767cab0d76e5b4461800d89724992af2c863294ada3c1eb2e4516183fe2010c33d47d6a2a

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

Filesize
402B

MD5
a66c0d704d8c10b8e86f1791fb848bda

SHA1
243935d931b8bdcd4cf31487f9b4837247a709d3

SHA256
5e52a9b61e1100347e51ad1b19b72a015c191b67c34af505110ac5c431453aed

SHA512
a48e64476d7729ebdac01f097659b2e55fd549c3deabe91cb913e0d3695289b64310293d45184810b2a5e762b6e7068f570e7070e2c28bb6621498d9c7e42f10

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

Filesize
8KB

MD5
81e20f4361cf8f5a57812871c24d945e

SHA1
5d7877d6959ab26599b05795a71633f00c37a3da

SHA256
e6e8b4a29dccb3531f58c75b754caf7f26afe3e7043239305fd0ae7ab2f7571d

SHA512
69b1d75ab7123054bf98cf3a0f2cc7a0749cda8d85ebdef85be7d89f1454154ce29070907b934727a6c5276ff430e94810b87a5634d25d8529df9ee36fd20818

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

Filesize
5KB

MD5
e9fbdcc2f5fb657fa519b3f5c69fc52d

SHA1
c49cca77b46a59d620711de7564d43e5dafcd2b5

SHA256
cc440cfc4ce1a1ff503cc9e8937c59aae64bfce4daa3e7dc757220a25cadc2e4

SHA512
913759967e16b99d8ea66433e5dc99d5ddbf737be6784306e67c2b23a525b7a578fcae1028221d3209abc452ff30508eb750c62113c3868a7af36b544e525fb1

Download Submit
C:\Windows\SysWOW64\28463\BOYL.exe

Filesize
473KB

MD5
97d8ad45f48b4b28a93aab94699b7168

SHA1
8b69b7fd7c008b95d12386f6da415097e72151de

SHA256
661df22a66b2062b233eb0bd9665de924cfe0ac9c6ba29e20ffef24f817f9331

SHA512
3351eac970bab391de410fcf1937da75d2e4722b808f10332f487ddfe469544e32e7d4ed0e5bdc19bd5f472cffcc55ca1498c95945b4e9c4ceff6ff5cc521c8a

Download Submit
memory/1836-21-0x00000000004E0000-0x00000000004E1000-memory.dmp

Filesize
4KB

Download
memory/1836-25-0x00000000004E0000-0x00000000004E1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads