ardamax | a5325aaeed11f7540578ac7caaad1caa27b540932802a3999b5740be5575c26a

General

Target

b3b473fff88f6fba17abcce09a9ae88b_JaffaCakes118.exe
Size

919KB
MD5

b3b473fff88f6fba17abcce09a9ae88b
SHA1

7c9be68b3e077ec1b925df4e2593271e19a1d01b
SHA256

a5325aaeed11f7540578ac7caaad1caa27b540932802a3999b5740be5575c26a
SHA512

73d6f957dde96b9ee66e49f77a51511fe11a47c32e0fe87597b82645079a17d38bac41d24ccbab22234a40d1d9bc22c0f4d1dc20c82b512ea309ffd205905fd9
SSDEEP

24576:dZxT+GQRLaavQka7pB/YSZXwtQN9LKArHpfzFiG4:dXT+GQZaaI/dhXZzNZKiprM

Score

10^/10

ardamax discovery keylogger persistence stealer

Malware Config

Signatures

Ardamax
A keylogger first seen in 2013.
keylogger stealer ardamax

Ardamax main executable 1 IoCs

resource	yara_rule
behavioral2/files/0x000700000002343d-7.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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	b3b473fff88f6fba17abcce09a9ae88b_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
4516	FSP.exe

Loads dropped DLL 1 IoCs

pid	Process
4516	FSP.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\FSP Start = "C:\\Windows\\SysWOW64\\HFVDYV\\FSP.exe"	FSP.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\HFVDYV\FSP.004	b3b473fff88f6fba17abcce09a9ae88b_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\HFVDYV\FSP.001	b3b473fff88f6fba17abcce09a9ae88b_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\HFVDYV\FSP.002	b3b473fff88f6fba17abcce09a9ae88b_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\HFVDYV\FSP.exe	b3b473fff88f6fba17abcce09a9ae88b_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\HFVDYV\	FSP.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	b3b473fff88f6fba17abcce09a9ae88b_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	FSP.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	4516	FSP.exe
Token: SeIncBasePriorityPrivilege	4516	FSP.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4516	FSP.exe
4516	FSP.exe
4516	FSP.exe
4516	FSP.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3864 wrote to memory of 4516	3864	b3b473fff88f6fba17abcce09a9ae88b_JaffaCakes118.exe	86
PID 3864 wrote to memory of 4516	3864	b3b473fff88f6fba17abcce09a9ae88b_JaffaCakes118.exe	86
PID 3864 wrote to memory of 4516	3864	b3b473fff88f6fba17abcce09a9ae88b_JaffaCakes118.exe	86

C:\Users\Admin\AppData\Local\Temp\b3b473fff88f6fba17abcce09a9ae88b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b3b473fff88f6fba17abcce09a9ae88b_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3864
- C:\Windows\SysWOW64\HFVDYV\FSP.exe
  "C:\Windows\system32\HFVDYV\FSP.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:4516

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\HFVDYV\FSP.001

Filesize
61KB

MD5
5901282271c72b6effd11d0ec9c17547

SHA1
729945fc0534bd5203dbe02b2dcdf33d0edb84e1

SHA256
395e86709d918c7954ee97baaa34634ede86a2af233ac175c15ae3107f2e9a28

SHA512
05e92fad30ab5d89ebb6eb33fdc76ef9575dbf4c7d649782fd902010a11505a7499b38a4aceccf46e5f8b31617b730a0436cf821442b59dcdeec71ecc2a90a17

Download Submit
C:\Windows\SysWOW64\HFVDYV\FSP.002

Filesize
43KB

MD5
c04e0de732e8f56b401e409c4417149c

SHA1
7b260b3600345fb72af9fd0e4025b4a125c8dd08

SHA256
0d359c2c70001f56c14e7e29a12456c82606bb9a46f9db1f8216a9087775dec6

SHA512
d9e2bf02bcb144a8c37e05cb2544ca46fe93e1f2b5a4e08832d533ab9348ddb9153b5c36efa4186d625a80af5d546331d740a13f43c5195ccb4829c98eaa69b0

Download Submit
C:\Windows\SysWOW64\HFVDYV\FSP.004

Filesize
1KB

MD5
f6642bde336b9c1371b60506310f8e22

SHA1
8c2b8c111781e425339855a5b1b98a9dd86fde9e

SHA256
e9b1bf3cefac7290d0a51f116d38bce03795b143dd991dc43c0bb9cf377d0113

SHA512
32b5bc6783766011e21ed64c867dac631140f16d08a4f843cb64cdb1e923af3c505c5205bb1301af2cda8f2b36597a87c4cb97b7130c8ef5761e6476bdc3e1cc

Download Submit
C:\Windows\SysWOW64\HFVDYV\FSP.exe

Filesize
1.5MB

MD5
82dc38922620ab6a5850f391584d2657

SHA1
ef30f091ff7aa242600f19e87f2b7b0cd7b0764f

SHA256
b464e42b8dfef6629030283e19c20bcc69d6d7c1bf9bb7e8df472f762debcea2

SHA512
4ec72c1d1599721ee1205f46a74a71fb67801e4d7aa6ca55907c2461a03c41cc3e1333e0b4ed9631b92e2310f45bf27cf865a5cc7ee2507e92f58cdb467023e8

Download Submit
memory/4516-15-0x00000000005D0000-0x00000000005D1000-memory.dmp

Filesize
4KB

Download
memory/4516-17-0x00000000005D0000-0x00000000005D1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads