ardamax | cb2915de4c762f5f65ec20e6d03dfd863a709eb3567c2a80e85f0175a9e8011e

General

Target

JaffaCakes118_c8b2f08bceed7c5b3e784f17d8ccb14a.exe
Size

480KB
MD5

c8b2f08bceed7c5b3e784f17d8ccb14a
SHA1

ada87bc979c4d3ca015748f0b92f844805dc6b8d
SHA256

cb2915de4c762f5f65ec20e6d03dfd863a709eb3567c2a80e85f0175a9e8011e
SHA512

a6a7fa225a559e4e066b29a9915b44a2fbce1a85540fb78aba62ddae3e397d27b189a06f27f60be7fdc422bb59fbb028f0cde3101820a4c4294be7c5b08c9eab
SSDEEP

12288:ECsNwizz2rVB6/xmQ6fnCR+xJbgApTJdeB61lwDRRjPA:gyizCIETGGJbgMFsNRbA

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/0x0007000000023e09-12.dat	family_ardamax

Downloads MZ/PE file 1 IoCs

flow	pid	Process
36	3344	Process not Found

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-1-5-21-705198581-2062733989-3666524522-1000\Control Panel\International\Geo\Nation	JaffaCakes118_c8b2f08bceed7c5b3e784f17d8ccb14a.exe

Executes dropped EXE 1 IoCs

pid	Process
4492	ERKY.exe

Loads dropped DLL 4 IoCs

pid	Process
1244	JaffaCakes118_c8b2f08bceed7c5b3e784f17d8ccb14a.exe
4492	ERKY.exe
4492	ERKY.exe
4492	ERKY.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\ERKY Agent = "C:\\Windows\\SysWOW64\\28463\\ERKY.exe"	ERKY.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\28463\ERKY.exe	JaffaCakes118_c8b2f08bceed7c5b3e784f17d8ccb14a.exe
File created	C:\Windows\SysWOW64\28463\AKV.exe	JaffaCakes118_c8b2f08bceed7c5b3e784f17d8ccb14a.exe
File opened for modification	C:\Windows\SysWOW64\28463	ERKY.exe
File created	C:\Windows\SysWOW64\28463\ERKY.001	JaffaCakes118_c8b2f08bceed7c5b3e784f17d8ccb14a.exe
File created	C:\Windows\SysWOW64\28463\ERKY.006	JaffaCakes118_c8b2f08bceed7c5b3e784f17d8ccb14a.exe
File created	C:\Windows\SysWOW64\28463\ERKY.007	JaffaCakes118_c8b2f08bceed7c5b3e784f17d8ccb14a.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 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	MicrosoftEdgeUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_c8b2f08bceed7c5b3e784f17d8ccb14a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ERKY.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
624	MicrosoftEdgeUpdate.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	4492	ERKY.exe
Token: SeIncBasePriorityPrivilege	4492	ERKY.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4492	ERKY.exe
4492	ERKY.exe
4492	ERKY.exe
4492	ERKY.exe
4492	ERKY.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1244 wrote to memory of 4492	1244	JaffaCakes118_c8b2f08bceed7c5b3e784f17d8ccb14a.exe	88
PID 1244 wrote to memory of 4492	1244	JaffaCakes118_c8b2f08bceed7c5b3e784f17d8ccb14a.exe	88
PID 1244 wrote to memory of 4492	1244	JaffaCakes118_c8b2f08bceed7c5b3e784f17d8ccb14a.exe	88

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c8b2f08bceed7c5b3e784f17d8ccb14a.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c8b2f08bceed7c5b3e784f17d8ccb14a.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1244
- C:\Windows\SysWOW64\28463\ERKY.exe
  "C:\Windows\system32\28463\ERKY.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:4492

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIyIiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDU4NjAiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxODIxNjMwOTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1Mzg2MjM1NDY3Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:624

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

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\@AB53.tmp

Filesize
4KB

MD5
c3679c3ff636d1a6b8c65323540da371

SHA1
d184758721a426467b687bec2a4acc80fe44c6f8

SHA256
d4eba51c616b439a8819218bddf9a6fa257d55c9f04cf81441cc99cc945ad3eb

SHA512
494a0a32eef4392ecb54df6e1da7d93183473c4e45f4ac4bd6ec3b0ed8c85c58303a0d36edec41420d05ff624195f08791b6b7e018419a3251b7e71ec9b730e7

Download Submit
C:\Windows\SysWOW64\28463\AKV.exe

Filesize
395KB

MD5
b8fa30233794772b8b76b4b1d91c7321

SHA1
0cf9561be2528944285e536f41d502be24c3aa87

SHA256
14116fa79ccc105fabd312b4dff74933f8684c6b27db37e5e3a79d159092d29a

SHA512
10ce8b18e7afb8c7e30bb90b0a1f199ef0b77873fa7a9efc596606e151be6b516c0ec6222a9032bdcc527e80964f53d20a28fa1881a08b4df303b2e28204549d

Download Submit
C:\Windows\SysWOW64\28463\ERKY.001

Filesize
468B

MD5
7a362e571f44941563ccd5d4f3da0a55

SHA1
1a44320961c271ec0cef070a816508ad43c2a3cb

SHA256
0c33a22b9e41fee50050c6c5c0e9294e8f4172b8337fd8f70c7e079c60b2bcd6

SHA512
eaea56bb8c828b9ea64f819a3dc9bbc5de7a0f2a5cd1b8835c536e09b8412d5ada15526f082347823719ab861684a8cab9f1fe950bd4577d28fa0f9486438714

Download Submit
C:\Windows\SysWOW64\28463\ERKY.006

Filesize
8KB

MD5
43f02e9974b1477c1e6388882f233db0

SHA1
f3e27b231193f8d5b2e1b09d05ae3a62795cf339

SHA256
3c9e56e51d5a7a1b9aefe853c12a98bf246039aa46db94227ea128f6331782ba

SHA512
e22d14735606fe75ee5e55204807c3f5531d3e0c4f63aa4a3b2d4bb6abda6128c7e2816753f2e64400ac6dae8f8ef1e013a7a464dff2a79ad9937c48821a067f

Download Submit
C:\Windows\SysWOW64\28463\ERKY.007

Filesize
5KB

MD5
b5a87d630436f958c6e1d82d15f98f96

SHA1
d3ff5e92198d4df0f98a918071aca53550bf1cff

SHA256
a895ad4d23e8b2c2dc552092f645ca309e62c36d4721ebfe7afd2eee7765d4b2

SHA512
fd7bae85a86bdaa12fec826d1d38728a90e2037cb3182ad7652d8a9f54c4b322734c587b62221e6f907fce24fcf2e0ae4cce1f5e3d8861661064b4da24bd87ce

Download Submit
C:\Windows\SysWOW64\28463\ERKY.exe

Filesize
473KB

MD5
17535dddecf8cb1efdba1f1952126547

SHA1
a862a9a3eb6c201751be1038537522a5281ea6cb

SHA256
1a3d28ac6359e58aa656f4734f9f36b6c09badadcf9fb900b9b118d90c38a9dd

SHA512
b4f31b552ab3bb3dafa365aa7a31f58674ae7ee82ce1d23457f2e7047431430b00abb3b5498491725639daf583b526b278a737168cfdc4e9ec796dfbc14a53d8

Download Submit
memory/4492-23-0x0000000000630000-0x0000000000631000-memory.dmp

Filesize
4KB

Download
memory/4492-27-0x0000000000630000-0x0000000000631000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads