ardamax | 95523d238d635237aa67de9e15081295e2b18bd78aef44295e015b313d2cbcbf

General

Target

ba548a8770ae499307d85b95d9e9d280_JaffaCakes118.exe
Size

1.2MB
MD5

ba548a8770ae499307d85b95d9e9d280
SHA1

ada5b7c5e7dbf93dbbd33ce746036b48b4a76292
SHA256

95523d238d635237aa67de9e15081295e2b18bd78aef44295e015b313d2cbcbf
SHA512

4dc1aebeafbd3da2ae14fc8158bff719f1347d3812d60eae18c63a3d730b5f3c898b06f5b44fb40074fc8301741695dc8c4cb99c30426d19986077322743de43
SSDEEP

24576:P0NzTqrWyV0oMN4n9ASBvVcYxIzKzt0mTamq5Pg/IKhP:P0pTGHioxGS3FeK39APKh

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/0x00070000000234dc-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-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	ba548a8770ae499307d85b95d9e9d280_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2036	HDW.exe

Loads dropped DLL 1 IoCs

pid	Process
2036	HDW.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\HDW Start = "C:\\Windows\\SysWOW64\\YLMCHV\\HDW.exe"	HDW.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\YLMCHV\HDW.002	ba548a8770ae499307d85b95d9e9d280_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\YLMCHV\AKV.exe	ba548a8770ae499307d85b95d9e9d280_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\YLMCHV\HDW.exe	ba548a8770ae499307d85b95d9e9d280_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\YLMCHV\	HDW.exe
File created	C:\Windows\SysWOW64\YLMCHV\HDW.004	ba548a8770ae499307d85b95d9e9d280_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\YLMCHV\HDW.001	ba548a8770ae499307d85b95d9e9d280_JaffaCakes118.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	ba548a8770ae499307d85b95d9e9d280_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	HDW.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2036	HDW.exe
2036	HDW.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	2036	HDW.exe
Token: SeIncBasePriorityPrivilege	2036	HDW.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2036	HDW.exe
2036	HDW.exe
2036	HDW.exe
2036	HDW.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1140 wrote to memory of 2036	1140	ba548a8770ae499307d85b95d9e9d280_JaffaCakes118.exe	84
PID 1140 wrote to memory of 2036	1140	ba548a8770ae499307d85b95d9e9d280_JaffaCakes118.exe	84
PID 1140 wrote to memory of 2036	1140	ba548a8770ae499307d85b95d9e9d280_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\ba548a8770ae499307d85b95d9e9d280_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ba548a8770ae499307d85b95d9e9d280_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1140
- C:\Windows\SysWOW64\YLMCHV\HDW.exe
  "C:\Windows\system32\YLMCHV\HDW.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 behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2036

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

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Downloads

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

Filesize
485KB

MD5
b905540561802896d1609a5709c38795

SHA1
a265f7c1d428ccece168d36ae1a5f50abfb69e37

SHA256
ce666ce776c30251bb1b465d47826c23efaa86ec5ee50b2a4d23a4ceb343ed53

SHA512
7663654f134f47a8092bae1f3f9d46732d2541ab955e7604d43a0def1e61e2bc039a6753e94d99f1d04b69f55a86f1fb937513671019f1bdf100edb97b24badc

Download Submit
C:\Windows\SysWOW64\YLMCHV\HDW.001

Filesize
61KB

MD5
0e7e847fb96b4faa6cb4d3707a96887e

SHA1
896fd4064044e271312e9128e874108eec69521f

SHA256
c0f3e18ed0020dae5f75d3338b51f9c8de26d8af0a4d31904ba77cb1d112bbca

SHA512
ad680ed30b0cabe1be4e7237b8e620060de9c5f64d088d21a6acf6f293551ab4abc10f8f959aa6041e19aeaea538e72beeecc29b7669546a9a151141d4e73684

Download Submit
C:\Windows\SysWOW64\YLMCHV\HDW.002

Filesize
43KB

MD5
f195701cf2c54d6ceadad943cf5135b8

SHA1
9beb03fc097fc58d7375b0511b87ced98a423a08

SHA256
177c1dcc7f13158445f0b99713e9cad205da86e764940a48d43dc375565b0dec

SHA512
f78def1ab431bb2b7b647ec76c063c30a87cabd22605f94cbe4fbb6f757fd54ddf7861d3842a0e369abfce94b68d41dec0fe2322a74f67d9875f561f92b20025

Download Submit
C:\Windows\SysWOW64\YLMCHV\HDW.004

Filesize
1KB

MD5
92e4e2570b8c27a5e2945ab2ed308c37

SHA1
eee10b16516fc6f03efb491006a96764a4779339

SHA256
36594a11c744ded26b055a8a989414a37e7d91da2ab4a2fbfac2a934152e1b42

SHA512
c51c2292af498160fe9b6240aae15a29047ece6d20ffb789e9760dd9f28e5f3d795264a238b25269b674601f1e38ee57a09b99b3784431b09298cddb91d6ea12

Download Submit
C:\Windows\SysWOW64\YLMCHV\HDW.exe

Filesize
1.7MB

MD5
d95623e481661c678a0546e02f10f24c

SHA1
b6949e68a19b270873764585eb1e82448d1e0717

SHA256
cecfadce6fb09b3977c20d15fb40f8f66a1d7e488a4794451d048a598c3417da

SHA512
dee02644d92ed30e88bb10e9dcdba97abd9949b230059ec20cf5d93061f9cdb77b1e793e5f69d0b51595c30077c3ddd093348d22b070ce898ccefe28b8062591

Download Submit
memory/2036-16-0x00000000007A0000-0x00000000007A1000-memory.dmp

Filesize
4KB

Download
memory/2036-18-0x00000000007A0000-0x00000000007A1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads