ardamax | a94d996f3d3419d626a24ffec936ff4f9bd62d0e1661209e5a3b452077eb03a1

General

Target

JaffaCakes118_94f49bafab1b2e8f09140297384a03df.exe
Size

1.2MB
MD5

94f49bafab1b2e8f09140297384a03df
SHA1

f633a4e8fbb810161a9e6ffe11cfe1558f75d7d8
SHA256

a94d996f3d3419d626a24ffec936ff4f9bd62d0e1661209e5a3b452077eb03a1
SHA512

881a613221df5dbab258682a33c9ebcaa6a96c29dc2f7e3a26daadb5120417573f66594a4c06b896a4e2240d29a958520218c7d82d12f0320ab6a4e7b6affb7f
SSDEEP

24576:p+ZWbilHAzz5IhxRC0s45zqoxSbzqxRUVHjM3neACPJ/vkp:goilWVIon45zn8QREHI3neAOK

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/0x0007000000023ca5-17.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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	JaffaCakes118_94f49bafab1b2e8f09140297384a03df.exe

Executes dropped EXE 1 IoCs

pid	Process
3908	OYB.exe

Loads dropped DLL 1 IoCs

pid	Process
3908	OYB.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\OYB Start = "C:\\Windows\\SysWOW64\\XRWPNA\\OYB.exe"	OYB.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\XRWPNA\OYB.004	JaffaCakes118_94f49bafab1b2e8f09140297384a03df.exe
File created	C:\Windows\SysWOW64\XRWPNA\OYB.001	JaffaCakes118_94f49bafab1b2e8f09140297384a03df.exe
File created	C:\Windows\SysWOW64\XRWPNA\OYB.002	JaffaCakes118_94f49bafab1b2e8f09140297384a03df.exe
File created	C:\Windows\SysWOW64\XRWPNA\AKV.exe	JaffaCakes118_94f49bafab1b2e8f09140297384a03df.exe
File created	C:\Windows\SysWOW64\XRWPNA\OYB.exe	JaffaCakes118_94f49bafab1b2e8f09140297384a03df.exe
File opened for modification	C:\Windows\SysWOW64\XRWPNA\	OYB.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5036 set thread context of 4016	5036	JaffaCakes118_94f49bafab1b2e8f09140297384a03df.exe	84

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	JaffaCakes118_94f49bafab1b2e8f09140297384a03df.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	OYB.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_94f49bafab1b2e8f09140297384a03df.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3908	OYB.exe
3908	OYB.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	3908	OYB.exe
Token: SeIncBasePriorityPrivilege	3908	OYB.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
5036	JaffaCakes118_94f49bafab1b2e8f09140297384a03df.exe
3908	OYB.exe
3908	OYB.exe
3908	OYB.exe
3908	OYB.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 5036 wrote to memory of 4016	5036	JaffaCakes118_94f49bafab1b2e8f09140297384a03df.exe	84
PID 5036 wrote to memory of 4016	5036	JaffaCakes118_94f49bafab1b2e8f09140297384a03df.exe	84
PID 5036 wrote to memory of 4016	5036	JaffaCakes118_94f49bafab1b2e8f09140297384a03df.exe	84
PID 5036 wrote to memory of 4016	5036	JaffaCakes118_94f49bafab1b2e8f09140297384a03df.exe	84
PID 5036 wrote to memory of 4016	5036	JaffaCakes118_94f49bafab1b2e8f09140297384a03df.exe	84
PID 5036 wrote to memory of 4016	5036	JaffaCakes118_94f49bafab1b2e8f09140297384a03df.exe	84
PID 5036 wrote to memory of 4016	5036	JaffaCakes118_94f49bafab1b2e8f09140297384a03df.exe	84
PID 5036 wrote to memory of 4016	5036	JaffaCakes118_94f49bafab1b2e8f09140297384a03df.exe	84
PID 5036 wrote to memory of 4016	5036	JaffaCakes118_94f49bafab1b2e8f09140297384a03df.exe	84
PID 5036 wrote to memory of 4016	5036	JaffaCakes118_94f49bafab1b2e8f09140297384a03df.exe	84
PID 4016 wrote to memory of 3908	4016	JaffaCakes118_94f49bafab1b2e8f09140297384a03df.exe	85
PID 4016 wrote to memory of 3908	4016	JaffaCakes118_94f49bafab1b2e8f09140297384a03df.exe	85
PID 4016 wrote to memory of 3908	4016	JaffaCakes118_94f49bafab1b2e8f09140297384a03df.exe	85

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_94f49bafab1b2e8f09140297384a03df.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_94f49bafab1b2e8f09140297384a03df.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5036
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_94f49bafab1b2e8f09140297384a03df.exe
  JaffaCakes118_94f49bafab1b2e8f09140297384a03df
  2⤵
  - Checks computer location settings
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4016
- - C:\Windows\SysWOW64\XRWPNA\OYB.exe
    "C:\Windows\system32\XRWPNA\OYB.exe"
    3⤵
    - 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:3908

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:\Windows\SysWOW64\XRWPNA\AKV.exe

Filesize
485KB

MD5
b905540561802896d1609a5709c38795

SHA1
a265f7c1d428ccece168d36ae1a5f50abfb69e37

SHA256
ce666ce776c30251bb1b465d47826c23efaa86ec5ee50b2a4d23a4ceb343ed53

SHA512
7663654f134f47a8092bae1f3f9d46732d2541ab955e7604d43a0def1e61e2bc039a6753e94d99f1d04b69f55a86f1fb937513671019f1bdf100edb97b24badc

Download Submit
C:\Windows\SysWOW64\XRWPNA\OYB.001

Filesize
61KB

MD5
0e7e847fb96b4faa6cb4d3707a96887e

SHA1
896fd4064044e271312e9128e874108eec69521f

SHA256
c0f3e18ed0020dae5f75d3338b51f9c8de26d8af0a4d31904ba77cb1d112bbca

SHA512
ad680ed30b0cabe1be4e7237b8e620060de9c5f64d088d21a6acf6f293551ab4abc10f8f959aa6041e19aeaea538e72beeecc29b7669546a9a151141d4e73684

Download Submit
C:\Windows\SysWOW64\XRWPNA\OYB.002

Filesize
43KB

MD5
f195701cf2c54d6ceadad943cf5135b8

SHA1
9beb03fc097fc58d7375b0511b87ced98a423a08

SHA256
177c1dcc7f13158445f0b99713e9cad205da86e764940a48d43dc375565b0dec

SHA512
f78def1ab431bb2b7b647ec76c063c30a87cabd22605f94cbe4fbb6f757fd54ddf7861d3842a0e369abfce94b68d41dec0fe2322a74f67d9875f561f92b20025

Download Submit
C:\Windows\SysWOW64\XRWPNA\OYB.004

Filesize
1KB

MD5
b91d6d705fee284ef0a866d02d4267bf

SHA1
aa75bc471405fc24105de1f4c700eda5a16e7f00

SHA256
788b006d481070b20f7b8502b4c7be0e62eba97242ee0ff552fe6cfef69f47c7

SHA512
1caa2e17b8076b0530dd75e05f4dc3880b0f2d2c7d20c6d39d74c1b7036782f8a7d293306fa2b4d11797d68e9a7928c9f4f00b00448151aa9111a552ba6895f7

Download Submit
C:\Windows\SysWOW64\XRWPNA\OYB.exe

Filesize
1.7MB

MD5
d95623e481661c678a0546e02f10f24c

SHA1
b6949e68a19b270873764585eb1e82448d1e0717

SHA256
cecfadce6fb09b3977c20d15fb40f8f66a1d7e488a4794451d048a598c3417da

SHA512
dee02644d92ed30e88bb10e9dcdba97abd9949b230059ec20cf5d93061f9cdb77b1e793e5f69d0b51595c30077c3ddd093348d22b070ce898ccefe28b8062591

Download Submit
memory/3908-27-0x00000000005E0000-0x00000000005E1000-memory.dmp

Filesize
4KB

Download
memory/3908-29-0x00000000005E0000-0x00000000005E1000-memory.dmp

Filesize
4KB

Download
memory/4016-5-0x0000000000400000-0x000000000052D000-memory.dmp

Filesize
1.2MB

Download
memory/4016-4-0x0000000000400000-0x000000000052D000-memory.dmp

Filesize
1.2MB

Download
memory/4016-20-0x0000000000400000-0x000000000052D000-memory.dmp

Filesize
1.2MB

Download
memory/4016-2-0x0000000000400000-0x000000000052D000-memory.dmp

Filesize
1.2MB

Download
memory/4016-3-0x0000000000400000-0x000000000052D000-memory.dmp

Filesize
1.2MB

Download
memory/4016-6-0x0000000000400000-0x000000000052D000-memory.dmp

Filesize
1.2MB

Download
memory/4016-8-0x0000000000400000-0x000000000052D000-memory.dmp

Filesize
1.2MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads