ardamax | 22d8da021250d781fe4386fd9e4de1c0c43fbaeeea2d8aacd368ff8a2dc1767b

General

Target

JaffaCakes118_a844ed72ade87ed2957a765dae856aa2.exe
Size

1.1MB
MD5

a844ed72ade87ed2957a765dae856aa2
SHA1

a8334e732d079c0f7d5728d529d64d7fb4b78dfa
SHA256

22d8da021250d781fe4386fd9e4de1c0c43fbaeeea2d8aacd368ff8a2dc1767b
SHA512

620e3ffb3a852945650b707eb60de815ae94889a5b16dee982493261c4f5658aaf5dc2f205e6ca8c71a4ce9df419d245ddc684cd1a971a30767c09a6cbd2a292
SSDEEP

24576:9H0KuTbFkvL/ysB0fK3E2ql1sXL4xAH7YuJBGbxr/nIsf2GVm/:9H0RTbezyE0ffpYsWbYuJBgrnj+G8

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/0x000a000000023b44-8.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-1-5-21-4174397412-4125106315-2776226590-1000\Control Panel\International\Geo\Nation	JaffaCakes118_a844ed72ade87ed2957a765dae856aa2.exe

Executes dropped EXE 1 IoCs

pid	Process
2516	HCS.exe

Loads dropped DLL 1 IoCs

pid	Process
2516	HCS.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\HCS Start = "C:\\Windows\\SysWOW64\\URGENM\\HCS.exe"	HCS.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\URGENM\	HCS.exe
File created	C:\Windows\SysWOW64\URGENM\HCS.004	JaffaCakes118_a844ed72ade87ed2957a765dae856aa2.exe
File created	C:\Windows\SysWOW64\URGENM\HCS.001	JaffaCakes118_a844ed72ade87ed2957a765dae856aa2.exe
File created	C:\Windows\SysWOW64\URGENM\HCS.002	JaffaCakes118_a844ed72ade87ed2957a765dae856aa2.exe
File created	C:\Windows\SysWOW64\URGENM\AKV.exe	JaffaCakes118_a844ed72ade87ed2957a765dae856aa2.exe
File created	C:\Windows\SysWOW64\URGENM\HCS.exe	JaffaCakes118_a844ed72ade87ed2957a765dae856aa2.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	JaffaCakes118_a844ed72ade87ed2957a765dae856aa2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	HCS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	2516	HCS.exe
Token: SeIncBasePriorityPrivilege	2516	HCS.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2516	HCS.exe
2516	HCS.exe
2516	HCS.exe
2516	HCS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2620 wrote to memory of 2516	2620	JaffaCakes118_a844ed72ade87ed2957a765dae856aa2.exe	84
PID 2620 wrote to memory of 2516	2620	JaffaCakes118_a844ed72ade87ed2957a765dae856aa2.exe	84
PID 2620 wrote to memory of 2516	2620	JaffaCakes118_a844ed72ade87ed2957a765dae856aa2.exe	84

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a844ed72ade87ed2957a765dae856aa2.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a844ed72ade87ed2957a765dae856aa2.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2620
- C:\Windows\SysWOW64\URGENM\HCS.exe
  "C:\Windows\system32\URGENM\HCS.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:2516

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\URGENM\AKV.exe

Filesize
459KB

MD5
3a96acb4dc45307f05fc177cf07742aa

SHA1
f8d198305383ac8c1ef2c359a898d1d4f431576b

SHA256
14a550138c38cb91d2b9967dfd607bc4a46c6fa6d267a6f5e1c0131162d1527d

SHA512
3cba04fc5e3b85c4a7a33bda3ef96091e9763b1db6a76c2ad50a809ebc2232752c331807074b6ab1490182f97d052d24b6e550a74991f65c0b4cea557db87a0f

Download Submit
C:\Windows\SysWOW64\URGENM\HCS.001

Filesize
61KB

MD5
d19ec1c0bd415150fb4d3edf925d9a6e

SHA1
8df56e86d2459be9cf4b3d8f55bce9b4e1806bf6

SHA256
2c0bd5f9a0ba273e594ca613970c6c6ef32c2ad10a1757c77645d267f37a9e68

SHA512
b3815767c350c67c5b9823539e71fdefe7b33504b19beeeda6063cc29cfdaaec9767eef4b4919216beab86170da629c8e57e1d7bf6f41dd3cf43331570b021d0

Download Submit
C:\Windows\SysWOW64\URGENM\HCS.002

Filesize
43KB

MD5
76a1d9ae4d761069b795d6e891855aa5

SHA1
1540e9abb812497007aee9885d1ea35e810defff

SHA256
02a1f41970ded0a4fb834db6ced2f54b432a29048831de7793bc0aa459970567

SHA512
4dc3af04fa7494ea67ef4f44bdb3c681d01ef8cd2ad37c98e5a1b41d7ef10efff1bf55c167f7faac9b0298773a5864d06fb860fee5724463f8eef2c1a978bbfa

Download Submit
C:\Windows\SysWOW64\URGENM\HCS.004

Filesize
1KB

MD5
76407c9428172a2875c297ed8ae9ff5f

SHA1
8ae2f48ce4a5f4fd7a74d82d41e370d6ff2edc0b

SHA256
48d945c7f02f6e366c9a98d27b2e743603f4661dff619268fb5c32af7844be33

SHA512
7eb2814ab78a302539f3b6b77359bc9983b85e489f81bd82776deca67692ab60266e358c906edc0da3821481af928e3542095389ac18ad35d0f0804d0b415169

Download Submit
C:\Windows\SysWOW64\URGENM\HCS.exe

Filesize
1.7MB

MD5
9be3091aa81569ce6ae396c39a4bdd9e

SHA1
805d6fa574027836c13bdd1fae956fd55c0002e9

SHA256
74d1f43449380ab7960d9655d897d413010a2171e201ea7c8039a3c9a671fd46

SHA512
e1627ecb79a5e4a5fafa1f31fe4c22c5f899eb4f0ea2887da9090b42d3ecba1a0540829b42064aad2779346dad493e25ad428703b932448c1d5973d46b6ba4e0

Download Submit
memory/2516-16-0x0000000000640000-0x0000000000641000-memory.dmp

Filesize
4KB

Download
memory/2516-18-0x0000000000640000-0x0000000000641000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads