ardamax | f01870e3a97b1bd863ff89135cb250f4c6d7104ab7e6fde6aba6dc6a2cb287f7

General

Target

JaffaCakes118_448ff0619802db2e8cdd1f1c4a8e9d10.exe
Size

480KB
MD5

448ff0619802db2e8cdd1f1c4a8e9d10
SHA1

b2892a2d3a3c413172716d85bc648e00d2c4edfb
SHA256

f01870e3a97b1bd863ff89135cb250f4c6d7104ab7e6fde6aba6dc6a2cb287f7
SHA512

f8a11fc1336d6d9a23f8ac5bab9c87904460265cce2c522cc936da4a158e23416089186e3c07237baf8a26520fe4e347c2f128ba9c081ccd229cd332d3accec7
SSDEEP

12288:7iuuFYMk19+zmqL0tnsd/GXRr4ahdjah3meR6HTg4SW:WFYMW+zJL0Sd/GXPdiWesHTfSW

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/0x0007000000023cc0-12.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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	JaffaCakes118_448ff0619802db2e8cdd1f1c4a8e9d10.exe
Key value queried	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	JSYF.exe

Executes dropped EXE 1 IoCs

pid	Process
1640	JSYF.exe

Loads dropped DLL 5 IoCs

pid	Process
1224	JaffaCakes118_448ff0619802db2e8cdd1f1c4a8e9d10.exe
1640	JSYF.exe
1640	JSYF.exe
1640	JSYF.exe
1384	WerFault.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\JSYF Agent = "C:\\Windows\\SysWOW64\\28463\\JSYF.exe"	JSYF.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\28463\AKV.exe	JaffaCakes118_448ff0619802db2e8cdd1f1c4a8e9d10.exe
File opened for modification	C:\Windows\SysWOW64\28463	JSYF.exe
File created	C:\Windows\SysWOW64\28463\JSYF.001	JaffaCakes118_448ff0619802db2e8cdd1f1c4a8e9d10.exe
File created	C:\Windows\SysWOW64\28463\JSYF.006	JaffaCakes118_448ff0619802db2e8cdd1f1c4a8e9d10.exe
File created	C:\Windows\SysWOW64\28463\JSYF.007	JaffaCakes118_448ff0619802db2e8cdd1f1c4a8e9d10.exe
File created	C:\Windows\SysWOW64\28463\JSYF.exe	JaffaCakes118_448ff0619802db2e8cdd1f1c4a8e9d10.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1384	1640	WerFault.exe	83

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	JSYF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_448ff0619802db2e8cdd1f1c4a8e9d10.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: 33	1640	JSYF.exe
Token: SeIncBasePriorityPrivilege	1640	JSYF.exe
Token: SeIncBasePriorityPrivilege	1640	JSYF.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1640	JSYF.exe
1640	JSYF.exe
1640	JSYF.exe
1640	JSYF.exe
1640	JSYF.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1224 wrote to memory of 1640	1224	JaffaCakes118_448ff0619802db2e8cdd1f1c4a8e9d10.exe	83
PID 1224 wrote to memory of 1640	1224	JaffaCakes118_448ff0619802db2e8cdd1f1c4a8e9d10.exe	83
PID 1224 wrote to memory of 1640	1224	JaffaCakes118_448ff0619802db2e8cdd1f1c4a8e9d10.exe	83
PID 1640 wrote to memory of 4344	1640	JSYF.exe	104
PID 1640 wrote to memory of 4344	1640	JSYF.exe	104
PID 1640 wrote to memory of 4344	1640	JSYF.exe	104

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_448ff0619802db2e8cdd1f1c4a8e9d10.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_448ff0619802db2e8cdd1f1c4a8e9d10.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:1224
- C:\Windows\SysWOW64\28463\JSYF.exe
  "C:\Windows\system32\28463\JSYF.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:1640
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1640 -s 1068
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:1384
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del C:\Windows\SysWOW64\28463\JSYF.exe > nul
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4344

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1640 -ip 1640
1⤵
PID:2640

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:\Users\Admin\AppData\Local\Temp\@AB92.tmp

Filesize
4KB

MD5
25530555085337eb644b061f239aa9d4

SHA1
8d91e099aba5439d4bfa8bce464c94e3e1acf620

SHA256
3fb6b438ad1530abdd068bffb303fb8a4de51430e0e18ddb6b1a0469ffab8325

SHA512
b1f9de0c276533a5a7070aeb2b6415cc1c0bdd2baf5e0645c6ac5ba767cab0d76e5b4461800d89724992af2c863294ada3c1eb2e4516183fe2010c33d47d6a2a

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

Filesize
395KB

MD5
d63cc8679a63448db1c64252e14e4ab5

SHA1
10b3a9ac4bc16e8ac1cd05e50b4d540fa3ef223e

SHA256
29b3646a556879a4a48e4f2f81e09179c34ac2051ed3e4f4c28e293092470d3d

SHA512
cb1911e1a77fb9be560aa4fd8bbef65e181b6d4438d65657501dbcd8dbf488ba01738a7222f35f8d4317e8df8c6f307d9e3623d6e3e45753e138b80fb68ff768

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

Filesize
416B

MD5
ba426f09d57edaeac62f35b4d6baec53

SHA1
9519d0c681acee0aa28d0cd07daa57f778ed1f7a

SHA256
3d2742eb149af3529116b3c6cf43a2b12a549c577a0faf397e012a11eead34dd

SHA512
45b77b7de6ddfc12ea675d8dfac110fff16675b006d6404b4a483be976e916a057134647dbe34f6710e0e5c4fa2ce040d51240088a54205fee8a7163f6aaf730

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

Filesize
8KB

MD5
81e20f4361cf8f5a57812871c24d945e

SHA1
5d7877d6959ab26599b05795a71633f00c37a3da

SHA256
e6e8b4a29dccb3531f58c75b754caf7f26afe3e7043239305fd0ae7ab2f7571d

SHA512
69b1d75ab7123054bf98cf3a0f2cc7a0749cda8d85ebdef85be7d89f1454154ce29070907b934727a6c5276ff430e94810b87a5634d25d8529df9ee36fd20818

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

Filesize
5KB

MD5
e9fbdcc2f5fb657fa519b3f5c69fc52d

SHA1
c49cca77b46a59d620711de7564d43e5dafcd2b5

SHA256
cc440cfc4ce1a1ff503cc9e8937c59aae64bfce4daa3e7dc757220a25cadc2e4

SHA512
913759967e16b99d8ea66433e5dc99d5ddbf737be6784306e67c2b23a525b7a578fcae1028221d3209abc452ff30508eb750c62113c3868a7af36b544e525fb1

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

Filesize
473KB

MD5
97d8ad45f48b4b28a93aab94699b7168

SHA1
8b69b7fd7c008b95d12386f6da415097e72151de

SHA256
661df22a66b2062b233eb0bd9665de924cfe0ac9c6ba29e20ffef24f817f9331

SHA512
3351eac970bab391de410fcf1937da75d2e4722b808f10332f487ddfe469544e32e7d4ed0e5bdc19bd5f472cffcc55ca1498c95945b4e9c4ceff6ff5cc521c8a

Download Submit
memory/1640-23-0x0000000000A70000-0x0000000000A71000-memory.dmp

Filesize
4KB

Download
memory/1640-27-0x0000000000A70000-0x0000000000A71000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads