ardamax | 863c4630925985c50f7bd74afb23e284f4aebb8f6352074afdc40f303d53aa48

General

Target

JaffaCakes118_4999961435b374f78f2cbfc0af8c904c.exe
Size

479KB
MD5

4999961435b374f78f2cbfc0af8c904c
SHA1

629481abd44362a809f2837537dbe442636f4d06
SHA256

863c4630925985c50f7bd74afb23e284f4aebb8f6352074afdc40f303d53aa48
SHA512

1f06230f6ed818f1d5ca0446c72bdfd151aa403ebdecd6f07fd8305b1b59a6ed242f1275db2d4293b34c18c54083d4bfb2a16a2040c34ae5605b69475380bc25
SSDEEP

12288:B4PPhNaXuC9hmfVy7ffJI25lqOhBg32Jbfxbirn37U:yPfCrmty7fJhlqOhC2irn37U

Score

10^/10

ardamax defense_evasion 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/0x000a000000023b78-12.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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	JaffaCakes118_4999961435b374f78f2cbfc0af8c904c.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	system32EAPC.exe

Executes dropped EXE 1 IoCs

pid	Process
2772	system32EAPC.exe

Loads dropped DLL 5 IoCs

pid	Process
1448	JaffaCakes118_4999961435b374f78f2cbfc0af8c904c.exe
2772	system32EAPC.exe
2772	system32EAPC.exe
2772	system32EAPC.exe
3880	WerFault.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\system32EAPC Agent = "C:\\Windows\\system32EAPC.exe"	system32EAPC.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 Windows directory 5 IoCs

description	ioc	Process
File created	C:\Windows\system32AKV.exe	JaffaCakes118_4999961435b374f78f2cbfc0af8c904c.exe
File created	C:\Windows\system32EAPC.001	JaffaCakes118_4999961435b374f78f2cbfc0af8c904c.exe
File created	C:\Windows\system32EAPC.006	JaffaCakes118_4999961435b374f78f2cbfc0af8c904c.exe
File created	C:\Windows\system32EAPC.007	JaffaCakes118_4999961435b374f78f2cbfc0af8c904c.exe
File created	C:\Windows\system32EAPC.exe	JaffaCakes118_4999961435b374f78f2cbfc0af8c904c.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3880	2772	WerFault.exe	82

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_4999961435b374f78f2cbfc0af8c904c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	system32EAPC.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: 33	2772	system32EAPC.exe
Token: SeIncBasePriorityPrivilege	2772	system32EAPC.exe
Token: SeIncBasePriorityPrivilege	2772	system32EAPC.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2772	system32EAPC.exe
2772	system32EAPC.exe
2772	system32EAPC.exe
2772	system32EAPC.exe
2772	system32EAPC.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1448 wrote to memory of 2772	1448	JaffaCakes118_4999961435b374f78f2cbfc0af8c904c.exe	82
PID 1448 wrote to memory of 2772	1448	JaffaCakes118_4999961435b374f78f2cbfc0af8c904c.exe	82
PID 1448 wrote to memory of 2772	1448	JaffaCakes118_4999961435b374f78f2cbfc0af8c904c.exe	82
PID 2772 wrote to memory of 2164	2772	system32EAPC.exe	95
PID 2772 wrote to memory of 2164	2772	system32EAPC.exe	95
PID 2772 wrote to memory of 2164	2772	system32EAPC.exe	95

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4999961435b374f78f2cbfc0af8c904c.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4999961435b374f78f2cbfc0af8c904c.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1448
- C:\Windows\system32EAPC.exe
  "C:\Windows\system32EAPC.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2772
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2772 -s 1116
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:3880
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del C:\Windows\SYSTEM~1.EXE > nul
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2164

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2772 -ip 2772
1⤵
PID:3936

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\@7417.tmp

Filesize
4KB

MD5
d9e02f226fc338d14df200ba9a700625

SHA1
414f134a16a309b31e418ed9e08c0c48aaf6e2bc

SHA256
8165757efb79acceb9fd0bfae6b2c19b8f087cc0461abb17941d460dbdf2e260

SHA512
13c73381602fe2593312d41ab4bc5cd5f922ac651f9e71e3fe3c58e7f0c5c73ecc9d79d61ec46f33a0a81cf73373421eeb510bd99650c0f53af30974ed61b8ca

Download Submit
C:\Windows\system32EAPC.001

Filesize
488B

MD5
c93c82fa208a24fc9a85af5d88bdf3cf

SHA1
f1dfb5afa9bdd4e04b97a18642c5d6844521de62

SHA256
98d8bdbc17b499330be3552ba7d4ed5ba466a7a63de4cec01a1afbfbfd46e208

SHA512
de0e744202ab6869f70002873409662eefabf91a632eb7e56198e6fd3ff0c8c502aa3a1c414bbd73af5cd0842fd32f0b435e07067b473f201d1b8c501fb5eebb

Download Submit
C:\Windows\system32EAPC.006

Filesize
7KB

MD5
32dd7b4bc8b6f290b0ece3cc1c011c96

SHA1
b979683868b399c6a6204ebaed9fc9c784a0429a

SHA256
6dcce9bbba5c2de47eea3abf7597a9c4fb2e4d358efc3752fa65c169cccfa2a1

SHA512
9e0d720799fe816f7d09c8a722b762203b6f12a8625c1c93cd640219ecc35969bd641b4d9e6dc04ab6f95ceb73235a438eb7d48ee9402118db3618b5760551ea

Download Submit
C:\Windows\system32EAPC.007

Filesize
5KB

MD5
e8155b68775ed29590e14df80fdc0e9f

SHA1
ed449da02e648a524004c265f3c37496d2f07f1f

SHA256
b39ba894b0a9a3201461ddd9ee9b297928e793dff221a47f019e75c11df631f3

SHA512
b14e00c46cf9bed0aca0f85775f624ff064f2d2afe1fa68b61bee5729db73cf9a8eced669c52d7cbb9504ff1b369a9a16a0f36c71a70c13c0bd1eaf5e07ccc11

Download Submit
C:\Windows\system32EAPC.exe

Filesize
471KB

MD5
3c06bbc025b61d2182ef5573f2852bda

SHA1
ebc1464c00b13fb5b3f80a59c80b595020e1fe7c

SHA256
e7f64e7215284cdeb8ef1eba28733f7aeae7f6977f82809d8de1e76a2e249085

SHA512
9d839ada211b85fc1efb1fe7bb3ce66fcf0e8069221d958234649c2ac5dc0f1bd06f1a016f9c727077af36fb46cac5409be9c8a8201d17f689c6b473aa01acdc

Download Submit
memory/2772-20-0x0000000000A70000-0x0000000000A71000-memory.dmp

Filesize
4KB

Download
memory/2772-26-0x0000000000A70000-0x0000000000A71000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads