ardamax | 5bdae6a6b031d8821c0190e32d97ce55e8d312bf7fc1c6cd738538c44234dc66

General

Target

JaffaCakes118_ba540eb1638716b92f07797637dba4c0.exe
Size

1.1MB
MD5

ba540eb1638716b92f07797637dba4c0
SHA1

78bfca2d957df98dd1755c0299aa130795a8fbfd
SHA256

5bdae6a6b031d8821c0190e32d97ce55e8d312bf7fc1c6cd738538c44234dc66
SHA512

757e388e11788b8fae92ce97c6f0e7b0d50999d8471d539b322d08a3e2936f025572e7c0aac8c7ef0b9b726a71463d0e5537caaaaefbe786de52d8aae4c71ee1
SSDEEP

24576:NH0KuT+eVKL4vLseiFRqmQg5FeiIc/1lnIvtYC2Q7DRnnDk3lmjmNb5vhXe:NH0RT9VKLIlgEVceiLm7ZnA1mjG5vZ

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
behavioral1/files/0x000a000000024125-8.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-1-5-21-3342763580-2723508992-2885672917-1000\Control Panel\International\Geo\Nation	JaffaCakes118_ba540eb1638716b92f07797637dba4c0.exe

Executes dropped EXE 2 IoCs

pid	Process
5192	KOV.exe
1896	KOV.exe

Loads dropped DLL 2 IoCs

pid	Process
5192	KOV.exe
1896	KOV.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\KOV Start = "C:\\Windows\\SysWOW64\\VHYFSR\\KOV.exe"	KOV.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\VHYFSR\KOV.004	JaffaCakes118_ba540eb1638716b92f07797637dba4c0.exe
File created	C:\Windows\SysWOW64\VHYFSR\KOV.001	JaffaCakes118_ba540eb1638716b92f07797637dba4c0.exe
File created	C:\Windows\SysWOW64\VHYFSR\KOV.002	JaffaCakes118_ba540eb1638716b92f07797637dba4c0.exe
File created	C:\Windows\SysWOW64\VHYFSR\AKV.exe	JaffaCakes118_ba540eb1638716b92f07797637dba4c0.exe
File created	C:\Windows\SysWOW64\VHYFSR\KOV.exe	JaffaCakes118_ba540eb1638716b92f07797637dba4c0.exe
File opened for modification	C:\Windows\SysWOW64\VHYFSR\	KOV.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_ba540eb1638716b92f07797637dba4c0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	KOV.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	KOV.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	5192	KOV.exe
Token: SeIncBasePriorityPrivilege	5192	KOV.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
5192	KOV.exe
5192	KOV.exe
5192	KOV.exe
5192	KOV.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5800 wrote to memory of 5192	5800	JaffaCakes118_ba540eb1638716b92f07797637dba4c0.exe	86
PID 5800 wrote to memory of 5192	5800	JaffaCakes118_ba540eb1638716b92f07797637dba4c0.exe	86
PID 5800 wrote to memory of 5192	5800	JaffaCakes118_ba540eb1638716b92f07797637dba4c0.exe	86
PID 5368 wrote to memory of 1896	5368	cmd.exe	89
PID 5368 wrote to memory of 1896	5368	cmd.exe	89
PID 5368 wrote to memory of 1896	5368	cmd.exe	89

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ba540eb1638716b92f07797637dba4c0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ba540eb1638716b92f07797637dba4c0.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5800
- C:\Windows\SysWOW64\VHYFSR\KOV.exe
  "C:\Windows\system32\VHYFSR\KOV.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:5192

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c C:\Windows\SysWOW64\VHYFSR\KOV.exe
1⤵
- Suspicious use of WriteProcessMemory
PID:5368
- C:\Windows\SysWOW64\VHYFSR\KOV.exe
  C:\Windows\SysWOW64\VHYFSR\KOV.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:1896

Network

MITRE ATT&CK Enterprise v16

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

Replay Monitor

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Downloads

C:\Windows\SysWOW64\VHYFSR\AKV.exe

Filesize
459KB

MD5
3a96acb4dc45307f05fc177cf07742aa

SHA1
f8d198305383ac8c1ef2c359a898d1d4f431576b

SHA256
14a550138c38cb91d2b9967dfd607bc4a46c6fa6d267a6f5e1c0131162d1527d

SHA512
3cba04fc5e3b85c4a7a33bda3ef96091e9763b1db6a76c2ad50a809ebc2232752c331807074b6ab1490182f97d052d24b6e550a74991f65c0b4cea557db87a0f

Download Submit
C:\Windows\SysWOW64\VHYFSR\KOV.001

Filesize
61KB

MD5
d19ec1c0bd415150fb4d3edf925d9a6e

SHA1
8df56e86d2459be9cf4b3d8f55bce9b4e1806bf6

SHA256
2c0bd5f9a0ba273e594ca613970c6c6ef32c2ad10a1757c77645d267f37a9e68

SHA512
b3815767c350c67c5b9823539e71fdefe7b33504b19beeeda6063cc29cfdaaec9767eef4b4919216beab86170da629c8e57e1d7bf6f41dd3cf43331570b021d0

Download Submit
C:\Windows\SysWOW64\VHYFSR\KOV.002

Filesize
43KB

MD5
76a1d9ae4d761069b795d6e891855aa5

SHA1
1540e9abb812497007aee9885d1ea35e810defff

SHA256
02a1f41970ded0a4fb834db6ced2f54b432a29048831de7793bc0aa459970567

SHA512
4dc3af04fa7494ea67ef4f44bdb3c681d01ef8cd2ad37c98e5a1b41d7ef10efff1bf55c167f7faac9b0298773a5864d06fb860fee5724463f8eef2c1a978bbfa

Download Submit
C:\Windows\SysWOW64\VHYFSR\KOV.004

Filesize
1KB

MD5
be1231c7420797372aaead63558e71aa

SHA1
a2fef9a9caa80aeb4bb0b9a5f95538a254159640

SHA256
b3933865082a0f5737edbdfb6c4dc4b46b5a0eb648293365949b639ff9738ba8

SHA512
8f03f0efbf57372736bcb00ea99884f57ef5e85a68d29a0e905c9573c9d3d16595cfa6aba58e98f44fb419b7b150a15b15c825eec6e380a5d0c39d72f623d32e

Download Submit
C:\Windows\SysWOW64\VHYFSR\KOV.exe

Filesize
1.7MB

MD5
9be3091aa81569ce6ae396c39a4bdd9e

SHA1
805d6fa574027836c13bdd1fae956fd55c0002e9

SHA256
74d1f43449380ab7960d9655d897d413010a2171e201ea7c8039a3c9a671fd46

SHA512
e1627ecb79a5e4a5fafa1f31fe4c22c5f899eb4f0ea2887da9090b42d3ecba1a0540829b42064aad2779346dad493e25ad428703b932448c1d5973d46b6ba4e0

Download Submit
memory/5192-16-0x0000000000640000-0x0000000000641000-memory.dmp

Filesize
4KB

Download
memory/5192-20-0x0000000000640000-0x0000000000641000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads