ardamax | 7cb3da2d83c1b49cbf655ff6e93ac7b84e923e38050ec023c20f8c72528e752c

General

Target

JaffaCakes118_a86485b3e843c942aef1ff38abf86df5.exe
Size

304KB
MD5

a86485b3e843c942aef1ff38abf86df5
SHA1

286d2c2a6c95a03092411b943880ace433ddce23
SHA256

7cb3da2d83c1b49cbf655ff6e93ac7b84e923e38050ec023c20f8c72528e752c
SHA512

cf2283d682e01514522508479a48c60b0519967a0041418e6be1a5f38a63ad8ec96a8eb885ed1713e50c764d0482abf429311b0f09790cdbf618ae2275579596
SSDEEP

6144:sov6jaYLGRmdx+n4ngZudSi86Gve652HxZazvL3E:hIcMdA4ngIdS8GveS2R4k

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/0x0007000000015d70-17.dat	family_ardamax

Executes dropped EXE 1 IoCs

pid	Process
2812	VFVU.exe

Loads dropped DLL 5 IoCs

pid	Process
2328	JaffaCakes118_a86485b3e843c942aef1ff38abf86df5.exe
2328	JaffaCakes118_a86485b3e843c942aef1ff38abf86df5.exe
2328	JaffaCakes118_a86485b3e843c942aef1ff38abf86df5.exe
2812	VFVU.exe
2812	VFVU.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\VFVU Agent = "C:\\Windows\\SysWOW64\\28463\\VFVU.exe"	VFVU.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 5 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\28463\VFVU.001	JaffaCakes118_a86485b3e843c942aef1ff38abf86df5.exe
File created	C:\Windows\SysWOW64\28463\VFVU.006	JaffaCakes118_a86485b3e843c942aef1ff38abf86df5.exe
File created	C:\Windows\SysWOW64\28463\VFVU.007	JaffaCakes118_a86485b3e843c942aef1ff38abf86df5.exe
File created	C:\Windows\SysWOW64\28463\VFVU.exe	JaffaCakes118_a86485b3e843c942aef1ff38abf86df5.exe
File opened for modification	C:\Windows\SysWOW64\28463	VFVU.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_a86485b3e843c942aef1ff38abf86df5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	VFVU.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	2812	VFVU.exe
Token: SeIncBasePriorityPrivilege	2812	VFVU.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2812	VFVU.exe
2812	VFVU.exe
2812	VFVU.exe
2812	VFVU.exe
2812	VFVU.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2328 wrote to memory of 2812	2328	JaffaCakes118_a86485b3e843c942aef1ff38abf86df5.exe	31
PID 2328 wrote to memory of 2812	2328	JaffaCakes118_a86485b3e843c942aef1ff38abf86df5.exe	31
PID 2328 wrote to memory of 2812	2328	JaffaCakes118_a86485b3e843c942aef1ff38abf86df5.exe	31
PID 2328 wrote to memory of 2812	2328	JaffaCakes118_a86485b3e843c942aef1ff38abf86df5.exe	31

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a86485b3e843c942aef1ff38abf86df5.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a86485b3e843c942aef1ff38abf86df5.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2328
- C:\Windows\SysWOW64\28463\VFVU.exe
  "C:\Windows\system32\28463\VFVU.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:2812

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

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

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Downloads

C:\Windows\SysWOW64\28463\VFVU.001

Filesize
502B

MD5
4406d72cfdbc40a029166a3266491835

SHA1
9d1ff4479339e16477beb796c8b6dc68a18c8a5f

SHA256
a6751f2dc5b8eee408a8d6567c94a01361d4457f08a559e2874b6b2990146098

SHA512
c0672f13c0d3c2c29ed91f83b19858eeb42c52bb24b22529d1eee266f0c45975cb4cf46a6b6a636371f98ffa1695c70aa9fb7cebbcbe3d010dc080d8ab34e741

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

Filesize
8KB

MD5
75f215af21ded98ab7a1a2a0ea1f1a30

SHA1
e85649693a178064da1aa4cc7c8e34c92472ba0d

SHA256
af46dca2a4f77f0c977fec74312a41e20bd064bd2ca17bec0f09afd67d7e1e3d

SHA512
1582847dae80134e5272fc1b125d6af13746263601ebc8b540ea5fd3e4fc0a05f6e783c59a6052b971efd15d26d9d55b86345292160e9c79041b7c57f9a74f54

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

Filesize
5KB

MD5
528f383007234b421e3f1072fae5af11

SHA1
b19c49e17263d940ffa4d46c60a7cf2d03525f09

SHA256
531958a2b1de11d2da2eb8a5409f57c1f31253f79f790473d0efc0ae5567b61f

SHA512
d1813fc77b21ebcdada0cc9c410e533a39a436a038d91cb131bf03c987dab6e7e5b4c99f1a135adde84b4afcbd0a9f0f13931bae3c45c5782d7557fa620b4830

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

Filesize
513KB

MD5
1800b0b263035d94f7bb5e9e70270032

SHA1
c8ba77fa2e414ad11e39a6493e15c078c99d80e6

SHA256
0b15e820894e38d036e75abd442e1cebbfb734c4a50fd0f3adcd3b77211caa5e

SHA512
1431bedcba045f110354c7ec8a34ad5677447aa647581ebc86c25ee38397d2eff4b02d438227144b934ce65b26a2be65c44b761bd4b46518ff44ba6aaf06f29f

Download Submit
\Users\Admin\AppData\Local\Temp\@BCAB.tmp

Filesize
4KB

MD5
fc0fea286539e5d84ccf49020ca3823b

SHA1
d43711c776edf9a07abed6bb95ed4a0e45e14d52

SHA256
2520256a587481813a5557e54a65f2fca97baee5df333102adfff2dbdabb4828

SHA512
70e1a5ec247d5e3057fe19f7f34b31ee7a79ab16dca73794829d9d81e3ed891881df424f7aa44b9424550574ab61c95d376163b16080aa7cfd61e986e6988ea2

Download Submit
memory/2812-22-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download
memory/2812-25-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads