ardamax | 6e12b4e050e07b23e7ce5243bb30a88236682756674d3ddc6fef6e664f9965ab

General

Target

915279c3c21c56bd0a536a6404ef400a_JaffaCakes118.exe
Size

1.3MB
MD5

915279c3c21c56bd0a536a6404ef400a
SHA1

543768c194b329d0dcfdf515f39a50bac8063fbc
SHA256

6e12b4e050e07b23e7ce5243bb30a88236682756674d3ddc6fef6e664f9965ab
SHA512

f89070d99f84820a530185f9470a59553b9ef89686a370c9f29307ecfd706e8519f9940c50a480d34647cf5a5dd2c342886257b7f291f0b028632211816815f2
SSDEEP

24576:tuNOTbWptJQZe+7SxSAx8rZv1wesmivUpZQ14R0rtzN6:tucTb+b+7S5x+Gm4UpZQYItzN

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/0x000700000002345f-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-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation	915279c3c21c56bd0a536a6404ef400a_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
3984	ZOS.exe

Loads dropped DLL 1 IoCs

pid	Process
3984	ZOS.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\ZOS Start = "C:\\Windows\\SysWOW64\\TSANPO\\ZOS.exe"	ZOS.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\TSANPO\AKV.exe	915279c3c21c56bd0a536a6404ef400a_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\TSANPO\ZOS.exe	915279c3c21c56bd0a536a6404ef400a_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\TSANPO\	ZOS.exe
File created	C:\Windows\SysWOW64\TSANPO\ZOS.004	915279c3c21c56bd0a536a6404ef400a_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\TSANPO\ZOS.001	915279c3c21c56bd0a536a6404ef400a_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\TSANPO\ZOS.002	915279c3c21c56bd0a536a6404ef400a_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	915279c3c21c56bd0a536a6404ef400a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ZOS.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3984	ZOS.exe
3984	ZOS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	3984	ZOS.exe
Token: SeIncBasePriorityPrivilege	3984	ZOS.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3984	ZOS.exe
3984	ZOS.exe
3984	ZOS.exe
3984	ZOS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3948 wrote to memory of 3984	3948	915279c3c21c56bd0a536a6404ef400a_JaffaCakes118.exe	85
PID 3948 wrote to memory of 3984	3948	915279c3c21c56bd0a536a6404ef400a_JaffaCakes118.exe	85
PID 3948 wrote to memory of 3984	3948	915279c3c21c56bd0a536a6404ef400a_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\915279c3c21c56bd0a536a6404ef400a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\915279c3c21c56bd0a536a6404ef400a_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3948
- C:\Windows\SysWOW64\TSANPO\ZOS.exe
  "C:\Windows\system32\TSANPO\ZOS.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:3984

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\TSANPO\AKV.exe

Filesize
487KB

MD5
eb9f503f6859a5161bcb9aeac042ceab

SHA1
d46039f98020e296bbd6455c834c6299528c821b

SHA256
51fc5b6f1711fd6b4b5945d935d37f57609eafa68d865c1ec1464b0ab221830c

SHA512
fa034d6292e0c16bb4958f1efe2b51577db99df6ccdb2223ba3fee4bab1796a5d4fa37667c077296da22e4c67d39ae0667a428f774aa2d5d3c7750a28320d33d

Download Submit
C:\Windows\SysWOW64\TSANPO\ZOS.001

Filesize
61KB

MD5
2666d675f8905ce58b7e961ffbfe8f61

SHA1
afa6625a916d27da14a591feba03352b2afb91cc

SHA256
1594c6986d0e4339825e2c812791c54c912d8358a76b6058da0bf6bba5f5c697

SHA512
81193afcb9406ea906db628ae434f576b6e4e2959674902cf8c2b11f5c7007b384a8e0385a6889637506f289d4849dd8dcb32dee9302363834333ef7813a2778

Download Submit
C:\Windows\SysWOW64\TSANPO\ZOS.002

Filesize
44KB

MD5
52f41f282445a7a75238c2bf31ff7b7d

SHA1
5b5c5eb4066e2c583137dff7e1333b89640514a7

SHA256
3a9e12f314bf9b5f043f3f05556b244a7ba244d3625f8adbd9cb59e9385ac4f3

SHA512
bc6e2959be659a86a2de4bb1dbae8171a6b02e39fd98e948c1c40e96e101e73af274e6ceb590fd5aa5e5cb558e8e80fb79aac0162cdc2266ab1b173bda419107

Download Submit
C:\Windows\SysWOW64\TSANPO\ZOS.004

Filesize
1KB

MD5
aa3d35c2d0cbc9f9d3f7b84361c40c96

SHA1
5178cbf4d6d9fc59ba2bdda5114b52ee1715ccc4

SHA256
55ffc2919943e12682fd4ea3ea2c6673962fc2098aaed6fe60c1b601dbf5bfa5

SHA512
4767963d68f4cb9b6bcec4dee988eb13178a1fb9fbbb631257faecd35304a492c0e738b4555ba141116e55c6fefb87bd49710b597c0149086a619a432c7cdc83

Download Submit
C:\Windows\SysWOW64\TSANPO\ZOS.exe

Filesize
1.7MB

MD5
68c19411dc10799efff9cfdb1dfa6ea3

SHA1
b337a16ee1a383ff4406fdaf65816f67174a6ec6

SHA256
a8565859541d680f0d8c74acdc0e0fee438de817785f4f596e470bdbefca0855

SHA512
16a2d576df4a24fa7f973e8e588f8cc79281d03343510344e6ef4ff8e3903e3a7751f38ef4f1c9fa2f8bdfaf3181b4fecae6905833df861c98e5b7b993a429d3

Download Submit
memory/3984-17-0x0000000000610000-0x0000000000611000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads