ardamax | 63a9efa525f166b49dfbc866c837e07a8aaed6e7d7e42fc61afb8966147266cf

General

Target

115f4dc817ab9fdcc989086fdcc50141_JaffaCakes118.exe
Size

1.2MB
MD5

115f4dc817ab9fdcc989086fdcc50141
SHA1

3d573e72e8392d310e958da7da25f24c1add5be3
SHA256

63a9efa525f166b49dfbc866c837e07a8aaed6e7d7e42fc61afb8966147266cf
SHA512

165b4590bbc2a6302410a812e5749acb05eabcdc9872956997abaa5ea2f10c28b75f8872bb71be0b8b622be61a8e21ec6b9a4d0ee441afbfbbfcce596ae5f0a9
SSDEEP

24576:NzwTT6EgYrrftbhOkOcD4TgmhWgPur0bOIWBkb4u6U0BltK/e:Nz+Td3tfO7DYCSkkK0Blt0

Score

10^/10

ardamax defense_evasion 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/0x0008000000023c12-8.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-1-5-21-2629364133-3182087385-364449604-1000\Control Panel\International\Geo\Nation	115f4dc817ab9fdcc989086fdcc50141_JaffaCakes118.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\Control Panel\International\Geo\Nation	EWR.exe

Executes dropped EXE 1 IoCs

pid	Process
5024	EWR.exe

Loads dropped DLL 1 IoCs

pid	Process
5024	EWR.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\EWR Start = "C:\\Windows\\SysWOW64\\YSSAXN\\EWR.exe"	EWR.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\YSSAXN\EWR.004	115f4dc817ab9fdcc989086fdcc50141_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\YSSAXN\EWR.001	115f4dc817ab9fdcc989086fdcc50141_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\YSSAXN\EWR.002	115f4dc817ab9fdcc989086fdcc50141_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\YSSAXN\AKV.exe	115f4dc817ab9fdcc989086fdcc50141_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\YSSAXN\EWR.exe	115f4dc817ab9fdcc989086fdcc50141_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\YSSAXN\	EWR.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	115f4dc817ab9fdcc989086fdcc50141_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EWR.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5024	EWR.exe
5024	EWR.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: 33	5024	EWR.exe
Token: SeIncBasePriorityPrivilege	5024	EWR.exe
Token: SeIncBasePriorityPrivilege	5024	EWR.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
5024	EWR.exe
5024	EWR.exe
5024	EWR.exe
5024	EWR.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4392 wrote to memory of 5024	4392	115f4dc817ab9fdcc989086fdcc50141_JaffaCakes118.exe	86
PID 4392 wrote to memory of 5024	4392	115f4dc817ab9fdcc989086fdcc50141_JaffaCakes118.exe	86
PID 4392 wrote to memory of 5024	4392	115f4dc817ab9fdcc989086fdcc50141_JaffaCakes118.exe	86
PID 5024 wrote to memory of 2756	5024	EWR.exe	98
PID 5024 wrote to memory of 2756	5024	EWR.exe	98
PID 5024 wrote to memory of 2756	5024	EWR.exe	98

C:\Users\Admin\AppData\Local\Temp\115f4dc817ab9fdcc989086fdcc50141_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\115f4dc817ab9fdcc989086fdcc50141_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4392
- C:\Windows\SysWOW64\YSSAXN\EWR.exe
  "C:\Windows\system32\YSSAXN\EWR.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 behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:5024
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del C:\Windows\SysWOW64\YSSAXN\EWR.exe > nul
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2756

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:\Windows\SysWOW64\YSSAXN\AKV.exe

Filesize
485KB

MD5
42150775d201a85ebc379d21aa253f85

SHA1
fccd7df34e16abaf8d55935016cdb15df8041e06

SHA256
00206ccef9ee8da111cc547c698b7e61736b328de48ac5c307d05f2921ef0b9c

SHA512
4ff3c587a8d88e319acb028829c75ecb3e11c16a62ba9c2090720613c51c6555af698ba8ff75672b405602f196ed1b99dbeb9395bae62aac2140fa31600b36e0

Download Submit
C:\Windows\SysWOW64\YSSAXN\EWR.001

Filesize
61KB

MD5
9681d3e1f2c53ad98b8467b3acca33fc

SHA1
04d5d08781f27d6e08ad0262f7325b2be4db7743

SHA256
baecddca15ea6932b9cd4e7f5bae848c3c290660a85c408b898150c6f8fd744e

SHA512
5c6191fb676ace9d1c2ddfd4e98651959ab24b718ab626c343e2bb271d31edd8ba43ed9de528c7832ddcc2137d2424c22bb19f115dc252e1400cfcd3edce2098

Download Submit
C:\Windows\SysWOW64\YSSAXN\EWR.002

Filesize
44KB

MD5
e65e4bdb2c86226589b88f101153c01b

SHA1
731be43621721dba20f0bb74966ea08043ef37fd

SHA256
e8a9477bc04824357c0f0bcc1cb665e1dfb6cf5c05f68517749f6cb11821cec2

SHA512
7700ee197f109a8f2cff2e529715e371e36c1d9924af0bedef9285f76898d3448847af3bff342813b9bd8ca619b7c39b9607150596008ffc6fe68b338f6769cd

Download Submit
C:\Windows\SysWOW64\YSSAXN\EWR.004

Filesize
1KB

MD5
45d783e2bf0729e62b1df2e9283a7844

SHA1
cc8b70c347ecf46d2cd5a4b5cef898fe7e689a18

SHA256
4966063d87d571897643c37f21725416f3ceb2bade0a9aa6cd31f83abeb738fc

SHA512
c73fc646b9a156c25f74a467efd36088446a3dea568c518d3ed5358b76a17a2b62cc992a08e20b2321457fcabdee5b71bd0aab146baa93d9271ce7e4e3c8e65e

Download Submit
C:\Windows\SysWOW64\YSSAXN\EWR.exe

Filesize
1.7MB

MD5
9a6a50772539f5a61fefa29c34666223

SHA1
b2b8650d817ef7d86bfef48420e9716f0ffdccce

SHA256
93db12799d366bbb10f28b923188e3f1457b3ec931ddf33ddeb131a80e46f00b

SHA512
eb5f89e6b27981d85dc235edc477a4397d08b9e89d638b0e07301a26ca6e640f12251fdcfe1386df4167a2928bc60959289329531bc7a9e14a232ead22935fed

Download Submit
memory/5024-16-0x0000000000B70000-0x0000000000B71000-memory.dmp

Filesize
4KB

Download
memory/5024-18-0x0000000000B70000-0x0000000000B71000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads