ardamax | 63c4dd5eecb634e690885ff7604f362f03c5253c9694abe3285a311b4841f4a4

General

Target

c250d1443ec8af5dc19deeb5b896030f_JaffaCakes118.exe
Size

1.1MB
MD5

c250d1443ec8af5dc19deeb5b896030f
SHA1

a6aa101f76f947751a34c29e1388545728c49959
SHA256

63c4dd5eecb634e690885ff7604f362f03c5253c9694abe3285a311b4841f4a4
SHA512

ef7fbd743c6809b6d710003670d8894c7d0a3d12cd47ed83749c09512bb5cac87850e427c849209c729a6ec0c9964f77a08fb7662389c659ffacb0837427877b
SSDEEP

24576:IU/pTOGp7MB0kPLv3WRn4Rsspwfmp45YvFV/xIOo0rBqgHn1ik:5RTz7MlPT3ussffmayvFVZCsBqgH1i

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/0x00070000000234cc-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	c250d1443ec8af5dc19deeb5b896030f_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
4992	RUU.exe

Loads dropped DLL 1 IoCs

pid	Process
4992	RUU.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\RUU Start = "C:\\Windows\\SysWOW64\\KFYUWB\\RUU.exe"	RUU.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 opened for modification	C:\Windows\SysWOW64\KFYUWB\	RUU.exe
File created	C:\Windows\SysWOW64\KFYUWB\RUU.004	c250d1443ec8af5dc19deeb5b896030f_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\KFYUWB\RUU.001	c250d1443ec8af5dc19deeb5b896030f_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\KFYUWB\RUU.002	c250d1443ec8af5dc19deeb5b896030f_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\KFYUWB\AKV.exe	c250d1443ec8af5dc19deeb5b896030f_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\KFYUWB\RUU.exe	c250d1443ec8af5dc19deeb5b896030f_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	c250d1443ec8af5dc19deeb5b896030f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RUU.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	4992	RUU.exe
Token: SeIncBasePriorityPrivilege	4992	RUU.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4992	RUU.exe
4992	RUU.exe
4992	RUU.exe
4992	RUU.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4536 wrote to memory of 4992	4536	c250d1443ec8af5dc19deeb5b896030f_JaffaCakes118.exe	85
PID 4536 wrote to memory of 4992	4536	c250d1443ec8af5dc19deeb5b896030f_JaffaCakes118.exe	85
PID 4536 wrote to memory of 4992	4536	c250d1443ec8af5dc19deeb5b896030f_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\c250d1443ec8af5dc19deeb5b896030f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c250d1443ec8af5dc19deeb5b896030f_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4536
- C:\Windows\SysWOW64\KFYUWB\RUU.exe
  "C:\Windows\system32\KFYUWB\RUU.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 use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:4992

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\KFYUWB\AKV.exe

Filesize
465KB

MD5
4061e424a7e62d613aa16201364593c9

SHA1
84e5f41196523eddd24b62670ec8100632dbc933

SHA256
d39b682a1de3541ce4858727a3206a0fb78d1e070e4dd60fab43c2537d1adfd9

SHA512
3290348c02db1d9125d80b6e240544d51b0805240e113397d85a3fbdf3421172c8dd23e5631525db9258b7eedcdc228df3082041a017c664593eac698773f5fa

Download Submit
C:\Windows\SysWOW64\KFYUWB\RUU.001

Filesize
61KB

MD5
4eb04b9187bbf3e3c33bf95e74eb6262

SHA1
ca5dcaea5ef4ba48c0bb06635c0b5abed4f0f342

SHA256
cf84d5704b350beaf1f2b46dc44bd372141d7554a8958ce22c0a84a3f21f2fe7

SHA512
aeaa608cd4f66ba817a7e8698d17f9801c9cedf99875decff39bc18cebdec3947f02566bdf21d9096e5a6a6b740717ab06d46a2a9605bf8e8fa0fee12fe17e81

Download Submit
C:\Windows\SysWOW64\KFYUWB\RUU.002

Filesize
43KB

MD5
1aed6fee0870288cdb607393fc2f33a1

SHA1
584fd8d5ffbced19dd09b8b71cee9026c0ac65c6

SHA256
02c4eef7045896258d00077e123719aa256c606f4e38c417965ba5f64d48e180

SHA512
15e5b7843b07bcb4a638057b05712c66b285d70ace24ab3a4c125d24d538ace20cfac179accefa417d7790f7a095327affd3cd73d9eacaa632356f95a9fde3b8

Download Submit
C:\Windows\SysWOW64\KFYUWB\RUU.004

Filesize
1KB

MD5
8a78b035358b55916b4f6d913530470c

SHA1
61ac26fc2e8eafb9d3affbdebd60248903ae3927

SHA256
37402562e7c6e35b18c4043388d288ba585ed1e0f3c44aa72e5bcda95efde8fa

SHA512
cb1254d9cc753e44a064065e9000689aabe1b6a0073cb02e9ab7e59bfcca93fb47c0df00c1b27b7751bd39fbb269cae0ab604b549e3cef41709eecd5217566d0

Download Submit
C:\Windows\SysWOW64\KFYUWB\RUU.exe

Filesize
1.5MB

MD5
865b02aa4fb68ac150953986e6f63f1c

SHA1
214190642d67f02c349e68f3f3c6ef0e9c2212d7

SHA256
fac58547e80a1b9598261b6d2aa5175653831e507c57b6860bc5d04d2e754dff

SHA512
473dc55a8a8f11d8445cef9cd8cabf8a9b227a6e47994ecfe9c86d41062641668d858e61b7ade1ad2801c5daa13d0630159b7ad241379e111c83564030c0a40e

Download Submit
memory/4992-16-0x0000000000740000-0x0000000000741000-memory.dmp

Filesize
4KB

Download
memory/4992-18-0x0000000000740000-0x0000000000741000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads