ardamax | da1e298778216c1f528a4f967fe0203b44f2ac181743fee497b4cd404391f8b4

General

Target

JaffaCakes118_f77a975c7b2dbca6f43bb6f898a2d69f.exe
Size

500KB
MD5

f77a975c7b2dbca6f43bb6f898a2d69f
SHA1

4e1acd9012877d6344124c594978cb111356251a
SHA256

da1e298778216c1f528a4f967fe0203b44f2ac181743fee497b4cd404391f8b4
SHA512

c693a6a0d3148da3dd6d8c3f5d4fc2aaca11ff3043fc0c2d24db0cb0f6a999c3ec1636817402e5b66a9e90cde3143a98fa0dd1aa79eada8f93a0c4f71e446d63
SSDEEP

12288:xK4ubFlGAffIC26EVsUnXHUkdGrPsE4FrEldx8zGjUo:NubFRwC2z3U0GDsDFrW8zho

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/0x000f000000023b82-12.dat	family_ardamax

Downloads MZ/PE file 2 IoCs

flow	pid	Process
57	884	Process not Found
38	3508	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-1-5-21-1318997816-2171176372-1451785247-1000\Control Panel\International\Geo\Nation	JaffaCakes118_f77a975c7b2dbca6f43bb6f898a2d69f.exe

Executes dropped EXE 1 IoCs

pid	Process
952	system32ACOO.exe

Loads dropped DLL 2 IoCs

pid	Process
1452	JaffaCakes118_f77a975c7b2dbca6f43bb6f898a2d69f.exe
952	system32ACOO.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\system32ACOO Agent = "C:\\Windows\\system32ACOO.exe"	system32ACOO.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 Windows directory 5 IoCs

description	ioc	Process
File created	C:\Windows\system32ACOO.001	JaffaCakes118_f77a975c7b2dbca6f43bb6f898a2d69f.exe
File created	C:\Windows\system32ACOO.006	JaffaCakes118_f77a975c7b2dbca6f43bb6f898a2d69f.exe
File created	C:\Windows\system32ACOO.007	JaffaCakes118_f77a975c7b2dbca6f43bb6f898a2d69f.exe
File created	C:\Windows\system32ACOO.exe	JaffaCakes118_f77a975c7b2dbca6f43bb6f898a2d69f.exe
File created	C:\Windows\system32AKV.exe	JaffaCakes118_f77a975c7b2dbca6f43bb6f898a2d69f.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	JaffaCakes118_f77a975c7b2dbca6f43bb6f898a2d69f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	system32ACOO.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.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
4584	MicrosoftEdgeUpdate.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	952	system32ACOO.exe
Token: SeIncBasePriorityPrivilege	952	system32ACOO.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
952	system32ACOO.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
952	system32ACOO.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
952	system32ACOO.exe
952	system32ACOO.exe
952	system32ACOO.exe
952	system32ACOO.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1452 wrote to memory of 952	1452	JaffaCakes118_f77a975c7b2dbca6f43bb6f898a2d69f.exe	91
PID 1452 wrote to memory of 952	1452	JaffaCakes118_f77a975c7b2dbca6f43bb6f898a2d69f.exe	91
PID 1452 wrote to memory of 952	1452	JaffaCakes118_f77a975c7b2dbca6f43bb6f898a2d69f.exe	91

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f77a975c7b2dbca6f43bb6f898a2d69f.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f77a975c7b2dbca6f43bb6f898a2d69f.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:1452
- C:\Windows\system32ACOO.exe
  "C:\Windows\system32ACOO.exe"
  2⤵
  - 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 FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  PID:952

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIyIiBpbnN0YWxsZGF0ZXRpbWU9IjE3MzkyODMzNzEiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4Mzc1NDE5Mjc1MzAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MTY3MTQ2NzIyIi8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:4584

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\@955A.tmp

Filesize
4KB

MD5
d9e02f226fc338d14df200ba9a700625

SHA1
414f134a16a309b31e418ed9e08c0c48aaf6e2bc

SHA256
8165757efb79acceb9fd0bfae6b2c19b8f087cc0461abb17941d460dbdf2e260

SHA512
13c73381602fe2593312d41ab4bc5cd5f922ac651f9e71e3fe3c58e7f0c5c73ecc9d79d61ec46f33a0a81cf73373421eeb510bd99650c0f53af30974ed61b8ca

Download Submit
C:\Windows\system32ACOO.001

Filesize
380B

MD5
0b85011f32683adf5e0fd754defd1bfb

SHA1
a02aaf335ec1de10677a7ba2afed6cd117b096f8

SHA256
a6e36d19612d5f329950ae9815ce18472ba37ea5315b36ed29685067a7536f1f

SHA512
11e22a3b117f68538d2d0e39a2aa51f90acbc6c91b6f1b82b6b8c9295be9ab5d92700abe52e64a608028fd8ceb27a924f26940f828390495594bdc64517442c4

Download Submit
C:\Windows\system32ACOO.006

Filesize
7KB

MD5
32dd7b4bc8b6f290b0ece3cc1c011c96

SHA1
b979683868b399c6a6204ebaed9fc9c784a0429a

SHA256
6dcce9bbba5c2de47eea3abf7597a9c4fb2e4d358efc3752fa65c169cccfa2a1

SHA512
9e0d720799fe816f7d09c8a722b762203b6f12a8625c1c93cd640219ecc35969bd641b4d9e6dc04ab6f95ceb73235a438eb7d48ee9402118db3618b5760551ea

Download Submit
C:\Windows\system32ACOO.exe

Filesize
471KB

MD5
3c06bbc025b61d2182ef5573f2852bda

SHA1
ebc1464c00b13fb5b3f80a59c80b595020e1fe7c

SHA256
e7f64e7215284cdeb8ef1eba28733f7aeae7f6977f82809d8de1e76a2e249085

SHA512
9d839ada211b85fc1efb1fe7bb3ce66fcf0e8069221d958234649c2ac5dc0f1bd06f1a016f9c727077af36fb46cac5409be9c8a8201d17f689c6b473aa01acdc

Download Submit
memory/952-20-0x0000000000A60000-0x0000000000A61000-memory.dmp

Filesize
4KB

Download
memory/952-24-0x0000000000A60000-0x0000000000A61000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads