ardamax | fd0ec8df42aef561f8d7e4079881b5517090bc6080da6d51f9f647398d1a1dec

General

Target

e82d9cc592aea529a0796e1055a3379f_JaffaCakes118.exe
Size

860KB
MD5

e82d9cc592aea529a0796e1055a3379f
SHA1

d27cdf1f201709aa52b88d1dd510b96a699e19a9
SHA256

fd0ec8df42aef561f8d7e4079881b5517090bc6080da6d51f9f647398d1a1dec
SHA512

9a2c73abf4baf6539e9d7c3bb70d8ebd2aefba86b77e01aaad2a14ced35c2465d776a6a5a9fbc398bc3f257986201e0281c607f2437265ef4b810287a2d88bc1
SSDEEP

24576:rZxT7e/P2C4uX8q0EoQtJW5BTdErO5Gwh6Utoas:rXTqn2juXD5LzEBxEoGw6

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/0x0007000000023458-7.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-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	e82d9cc592aea529a0796e1055a3379f_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
3312	HFC.exe
2680	MInstall.exe

Loads dropped DLL 3 IoCs

pid	Process
3312	HFC.exe
2680	MInstall.exe
4856	WerFault.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\HFC Start = "C:\\Windows\\SysWOW64\\VHEMEM\\HFC.exe"	HFC.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\VHEMEM\HFC.001	e82d9cc592aea529a0796e1055a3379f_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\VHEMEM\HFC.002	e82d9cc592aea529a0796e1055a3379f_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\VHEMEM\HFC.exe	e82d9cc592aea529a0796e1055a3379f_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\VHEMEM\	HFC.exe
File created	C:\Windows\SysWOW64\VHEMEM\HFC.004	e82d9cc592aea529a0796e1055a3379f_JaffaCakes118.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4856	2680	WerFault.exe	83

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	MInstall.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e82d9cc592aea529a0796e1055a3379f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	HFC.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: 33	3312	HFC.exe
Token: SeIncBasePriorityPrivilege	3312	HFC.exe
Token: SeDebugPrivilege	2680	MInstall.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3312	HFC.exe
3312	HFC.exe
3312	HFC.exe
3312	HFC.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2652 wrote to memory of 3312	2652	e82d9cc592aea529a0796e1055a3379f_JaffaCakes118.exe	82
PID 2652 wrote to memory of 3312	2652	e82d9cc592aea529a0796e1055a3379f_JaffaCakes118.exe	82
PID 2652 wrote to memory of 3312	2652	e82d9cc592aea529a0796e1055a3379f_JaffaCakes118.exe	82
PID 2652 wrote to memory of 2680	2652	e82d9cc592aea529a0796e1055a3379f_JaffaCakes118.exe	83
PID 2652 wrote to memory of 2680	2652	e82d9cc592aea529a0796e1055a3379f_JaffaCakes118.exe	83
PID 2652 wrote to memory of 2680	2652	e82d9cc592aea529a0796e1055a3379f_JaffaCakes118.exe	83

C:\Users\Admin\AppData\Local\Temp\e82d9cc592aea529a0796e1055a3379f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e82d9cc592aea529a0796e1055a3379f_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2652
- C:\Windows\SysWOW64\VHEMEM\HFC.exe
  "C:\Windows\system32\VHEMEM\HFC.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:3312
- C:\Users\Admin\AppData\Local\Temp\MInstall.exe
  "C:\Users\Admin\AppData\Local\Temp\MInstall.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2680
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2680 -s 1760
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:4856

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2680 -ip 2680
1⤵
PID:1396

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\MInstall.exe

Filesize
22KB

MD5
abbf48086f8975dd9f5423247f6fb7cc

SHA1
8baa56a40450510dec788f3fafd4485b466e6a05

SHA256
e667a31e9a53605f18e2001c1a4050e7ad722514e2b2c64a9f06678af5f4d24a

SHA512
3ca83a03fc6256e7b2ff2211d001edacf01206d4977d65e50d95008ef08b117bf964e9b8894f0fc75b89c90e4941ad675057e8c7aaf06e7e194958b18d437f21

Download Submit
C:\Windows\SysWOW64\VHEMEM\HFC.001

Filesize
61KB

MD5
5901282271c72b6effd11d0ec9c17547

SHA1
729945fc0534bd5203dbe02b2dcdf33d0edb84e1

SHA256
395e86709d918c7954ee97baaa34634ede86a2af233ac175c15ae3107f2e9a28

SHA512
05e92fad30ab5d89ebb6eb33fdc76ef9575dbf4c7d649782fd902010a11505a7499b38a4aceccf46e5f8b31617b730a0436cf821442b59dcdeec71ecc2a90a17

Download Submit
C:\Windows\SysWOW64\VHEMEM\HFC.002

Filesize
43KB

MD5
c04e0de732e8f56b401e409c4417149c

SHA1
7b260b3600345fb72af9fd0e4025b4a125c8dd08

SHA256
0d359c2c70001f56c14e7e29a12456c82606bb9a46f9db1f8216a9087775dec6

SHA512
d9e2bf02bcb144a8c37e05cb2544ca46fe93e1f2b5a4e08832d533ab9348ddb9153b5c36efa4186d625a80af5d546331d740a13f43c5195ccb4829c98eaa69b0

Download Submit
C:\Windows\SysWOW64\VHEMEM\HFC.004

Filesize
1KB

MD5
e941047b8555561a7c87257344f1561c

SHA1
c9a4eb528de1c711b2f13a4287e2dff4316effd4

SHA256
c25b50fa42e6ded661de049b9376e010b9689661e79314916f0abcbb7133ff66

SHA512
2505e86c7effa50efd7817dcf876623a5c236821d4669a15cd10e25e11c1847019d1192eaa5a7d972b202a369c823ac05717d9b6f2444725069c7291f9e17aae

Download Submit
C:\Windows\SysWOW64\VHEMEM\HFC.exe

Filesize
1.5MB

MD5
82dc38922620ab6a5850f391584d2657

SHA1
ef30f091ff7aa242600f19e87f2b7b0cd7b0764f

SHA256
b464e42b8dfef6629030283e19c20bcc69d6d7c1bf9bb7e8df472f762debcea2

SHA512
4ec72c1d1599721ee1205f46a74a71fb67801e4d7aa6ca55907c2461a03c41cc3e1333e0b4ed9631b92e2310f45bf27cf865a5cc7ee2507e92f58cdb467023e8

Download Submit
memory/2680-26-0x0000000072F7E000-0x0000000072F7F000-memory.dmp

Filesize
4KB

Download
memory/2680-28-0x0000000000940000-0x000000000094C000-memory.dmp

Filesize
48KB

Download
memory/2680-29-0x0000000005750000-0x0000000005CF4000-memory.dmp

Filesize
5.6MB

Download
memory/2680-30-0x0000000005240000-0x00000000052D2000-memory.dmp

Filesize
584KB

Download
memory/2680-31-0x0000000072F70000-0x0000000073720000-memory.dmp

Filesize
7.7MB

Download
memory/2680-33-0x0000000005220000-0x000000000522A000-memory.dmp

Filesize
40KB

Download
memory/2680-35-0x0000000072F70000-0x0000000073720000-memory.dmp

Filesize
7.7MB

Download
memory/3312-25-0x0000000000670000-0x0000000000671000-memory.dmp

Filesize
4KB

Download
memory/3312-36-0x0000000000670000-0x0000000000671000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads