ardamax | e8a799c07a4b4beabe65eb402c920a8492b4738d2ff2b41f925912d0c7371c84

General

Target

a81604d0c7b6350b40bd0635ce4328d0_JaffaCakes118.exe
Size

3.5MB
MD5

a81604d0c7b6350b40bd0635ce4328d0
SHA1

3622fe4c275e411a46b2554a8a7ee7a2396963aa
SHA256

e8a799c07a4b4beabe65eb402c920a8492b4738d2ff2b41f925912d0c7371c84
SHA512

1f0e960e1b7b6f9d6b8106f0e20e19247d99764095c58a4d37728e1d23b65b264b198452ca8f18365d91ff9315e3c5e09404e436e8d8fbbed12583ac8b332613
SSDEEP

24576:vjX2TdqIQz+gdNvpmeryhm1iXhPD93arPRQQlMErsv3kMQyLU0w8kU7x7vFqWDfD:Qm16nWRPlnrs4dj8pw6YannJWkdoHC

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/0x0007000000023c86-17.dat	family_ardamax

Executes dropped EXE 1 IoCs

pid	Process
1684	LOU.exe

Loads dropped DLL 1 IoCs

pid	Process
1684	LOU.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

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\LOU Start = "C:\\Windows\\SysWOW64\\VKVXBC\\LOU.exe"	LOU.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\VKVXBC\LOU.004	vbc.exe
File created	C:\Windows\SysWOW64\VKVXBC\LOU.001	vbc.exe
File created	C:\Windows\SysWOW64\VKVXBC\LOU.002	vbc.exe
File created	C:\Windows\SysWOW64\VKVXBC\AKV.exe	vbc.exe
File created	C:\Windows\SysWOW64\VKVXBC\LOU.exe	vbc.exe
File opened for modification	C:\Windows\SysWOW64\VKVXBC\	LOU.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1240 set thread context of 5012	1240	a81604d0c7b6350b40bd0635ce4328d0_JaffaCakes118.exe	84

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Microsoft.NET\Framework\v2.0.50727\Raphael.jpg	vbc.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	a81604d0c7b6350b40bd0635ce4328d0_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	LOU.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	1684	LOU.exe
Token: SeIncBasePriorityPrivilege	1684	LOU.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1684	LOU.exe
1684	LOU.exe
1684	LOU.exe
1684	LOU.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1240 wrote to memory of 5012	1240	a81604d0c7b6350b40bd0635ce4328d0_JaffaCakes118.exe	84
PID 1240 wrote to memory of 5012	1240	a81604d0c7b6350b40bd0635ce4328d0_JaffaCakes118.exe	84
PID 1240 wrote to memory of 5012	1240	a81604d0c7b6350b40bd0635ce4328d0_JaffaCakes118.exe	84
PID 1240 wrote to memory of 5012	1240	a81604d0c7b6350b40bd0635ce4328d0_JaffaCakes118.exe	84
PID 1240 wrote to memory of 5012	1240	a81604d0c7b6350b40bd0635ce4328d0_JaffaCakes118.exe	84
PID 1240 wrote to memory of 5012	1240	a81604d0c7b6350b40bd0635ce4328d0_JaffaCakes118.exe	84
PID 1240 wrote to memory of 5012	1240	a81604d0c7b6350b40bd0635ce4328d0_JaffaCakes118.exe	84
PID 1240 wrote to memory of 5012	1240	a81604d0c7b6350b40bd0635ce4328d0_JaffaCakes118.exe	84
PID 1240 wrote to memory of 5012	1240	a81604d0c7b6350b40bd0635ce4328d0_JaffaCakes118.exe	84
PID 1240 wrote to memory of 5012	1240	a81604d0c7b6350b40bd0635ce4328d0_JaffaCakes118.exe	84
PID 5012 wrote to memory of 1684	5012	vbc.exe	85
PID 5012 wrote to memory of 1684	5012	vbc.exe	85
PID 5012 wrote to memory of 1684	5012	vbc.exe	85

C:\Users\Admin\AppData\Local\Temp\a81604d0c7b6350b40bd0635ce4328d0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a81604d0c7b6350b40bd0635ce4328d0_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1240
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  2⤵
  - Drops file in System32 directory
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5012
- - C:\Windows\SysWOW64\VKVXBC\LOU.exe
    "C:\Windows\system32\VKVXBC\LOU.exe"
    3⤵
    - 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:1684

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

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

1

T1012

System Information Discovery

1

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\VKVXBC\AKV.exe

Filesize
459KB

MD5
3a96acb4dc45307f05fc177cf07742aa

SHA1
f8d198305383ac8c1ef2c359a898d1d4f431576b

SHA256
14a550138c38cb91d2b9967dfd607bc4a46c6fa6d267a6f5e1c0131162d1527d

SHA512
3cba04fc5e3b85c4a7a33bda3ef96091e9763b1db6a76c2ad50a809ebc2232752c331807074b6ab1490182f97d052d24b6e550a74991f65c0b4cea557db87a0f

Download Submit
C:\Windows\SysWOW64\VKVXBC\LOU.001

Filesize
61KB

MD5
661dbca8402ba82c0700f0adfa8a3ce5

SHA1
f90fb758a2b76335be66497cd173fb0ef059516f

SHA256
d8924592792dbc41ada0741375bf5960417676491a2696c9c1bffc5eea9c9d22

SHA512
774c35ec0938e1658f30c523babf5c393a1d4d3733f4b974ae734824b3afd690621c5a8be4541bd769c7181bd1468f86fe31a30a60445cc4897033f60459a4ca

Download Submit
C:\Windows\SysWOW64\VKVXBC\LOU.002

Filesize
43KB

MD5
76a1d9ae4d761069b795d6e891855aa5

SHA1
1540e9abb812497007aee9885d1ea35e810defff

SHA256
02a1f41970ded0a4fb834db6ced2f54b432a29048831de7793bc0aa459970567

SHA512
4dc3af04fa7494ea67ef4f44bdb3c681d01ef8cd2ad37c98e5a1b41d7ef10efff1bf55c167f7faac9b0298773a5864d06fb860fee5724463f8eef2c1a978bbfa

Download Submit
C:\Windows\SysWOW64\VKVXBC\LOU.004

Filesize
1KB

MD5
09f571f7a3fa4051039ec104aa6d3909

SHA1
6a003cf47e8a472a8094d98aafa3cdd356227dbd

SHA256
fc43a94e90cde34f9ad906e203b5cc13e58e77ae1c937e49c716255e9c4cccd4

SHA512
0729beb496a0c88db5562c05620912c43e7d749609e73283ee4b8821c7d9c11147a6b8bde4c5b64cbec8a296b7693b3ac71589ff3586b1ee558bd2fd55b1c8fd

Download Submit
C:\Windows\SysWOW64\VKVXBC\LOU.exe

Filesize
1.7MB

MD5
9be3091aa81569ce6ae396c39a4bdd9e

SHA1
805d6fa574027836c13bdd1fae956fd55c0002e9

SHA256
74d1f43449380ab7960d9655d897d413010a2171e201ea7c8039a3c9a671fd46

SHA512
e1627ecb79a5e4a5fafa1f31fe4c22c5f899eb4f0ea2887da9090b42d3ecba1a0540829b42064aad2779346dad493e25ad428703b932448c1d5973d46b6ba4e0

Download Submit
memory/1240-13-0x0000000074760000-0x0000000074D11000-memory.dmp

Filesize
5.7MB

Download
memory/1240-0-0x0000000074762000-0x0000000074763000-memory.dmp

Filesize
4KB

Download
memory/1240-2-0x0000000074760000-0x0000000074D11000-memory.dmp

Filesize
5.7MB

Download
memory/1240-1-0x0000000074760000-0x0000000074D11000-memory.dmp

Filesize
5.7MB

Download
memory/1684-28-0x0000000000400000-0x00000000005B6000-memory.dmp

Filesize
1.7MB

Download
memory/1684-30-0x0000000000400000-0x00000000005B6000-memory.dmp

Filesize
1.7MB

Download
memory/5012-5-0x0000000000400000-0x000000000053C000-memory.dmp

Filesize
1.2MB

Download
memory/5012-11-0x0000000000400000-0x000000000053C000-memory.dmp

Filesize
1.2MB

Download
memory/5012-22-0x0000000000400000-0x000000000053C000-memory.dmp

Filesize
1.2MB

Download
memory/5012-4-0x0000000000400000-0x000000000053C000-memory.dmp

Filesize
1.2MB

Download
memory/5012-3-0x0000000000400000-0x000000000053C000-memory.dmp

Filesize
1.2MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads