ardamax | fd022bb153a8c256d5bbfd4c3b40aac3ad65bbe6c57ffc4acd284714cba649ef

General

Target

b783a504f148258f73a69624797b73c1_JaffaCakes118.exe
Size

1.2MB
MD5

b783a504f148258f73a69624797b73c1
SHA1

da059a9a5c87cd5ee6af2b0c1cd0dbb75a3f6fbe
SHA256

fd022bb153a8c256d5bbfd4c3b40aac3ad65bbe6c57ffc4acd284714cba649ef
SHA512

e3088fb05d73075d83569ce2470801330f7430c9b0dd7afcb15298bfa2844e24f9f45f4f972cd5adeaa79b5abc00f3286449b5472ad1d8f954fd7003e1d244e6
SSDEEP

24576:IxEGC4ps8fG/7ZEJY++RJs1L9GG+Q/dsECc:IxKafutwTwm1hBB/nJ

Score

10^/10

ardamax defense_evasion 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/0x00070000000234e3-35.dat	family_ardamax

Checks computer location settings 2 TTPs 3 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-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	b783a504f148258f73a69624797b73c1_JaffaCakes118.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	INSTALL.EXE
Key value queried	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	UUYK.exe

Executes dropped EXE 3 IoCs

pid	Process
2932	INSTALL.EXE
3616	NE2X VOICE LAGGER 1.0.EXE
2572	UUYK.exe

Loads dropped DLL 8 IoCs

pid	Process
2932	INSTALL.EXE
2572	UUYK.exe
2572	UUYK.exe
2572	UUYK.exe
3616	NE2X VOICE LAGGER 1.0.EXE
3616	NE2X VOICE LAGGER 1.0.EXE
3616	NE2X VOICE LAGGER 1.0.EXE
4296	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\UUYK Agent = "C:\\Windows\\SysWOW64\\28463\\UUYK.exe"	UUYK.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
Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\28463\UUYK.001	INSTALL.EXE
File created	C:\Windows\SysWOW64\28463\UUYK.006	INSTALL.EXE
File created	C:\Windows\SysWOW64\28463\UUYK.007	INSTALL.EXE
File created	C:\Windows\SysWOW64\28463\UUYK.exe	INSTALL.EXE
File created	C:\Windows\SysWOW64\28463\AKV.exe	INSTALL.EXE
File opened for modification	C:\Windows\SysWOW64\28463	UUYK.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
4296	2572	WerFault.exe	89

System Location Discovery: System Language Discovery 1 TTPs 5 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	b783a504f148258f73a69624797b73c1_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	INSTALL.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NE2X VOICE LAGGER 1.0.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	UUYK.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: 33	2572	UUYK.exe
Token: SeIncBasePriorityPrivilege	2572	UUYK.exe
Token: SeIncBasePriorityPrivilege	2572	UUYK.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3616	NE2X VOICE LAGGER 1.0.EXE
2572	UUYK.exe
2572	UUYK.exe
2572	UUYK.exe
2572	UUYK.exe
2572	UUYK.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 632 wrote to memory of 2932	632	b783a504f148258f73a69624797b73c1_JaffaCakes118.exe	87
PID 632 wrote to memory of 2932	632	b783a504f148258f73a69624797b73c1_JaffaCakes118.exe	87
PID 632 wrote to memory of 2932	632	b783a504f148258f73a69624797b73c1_JaffaCakes118.exe	87
PID 632 wrote to memory of 3616	632	b783a504f148258f73a69624797b73c1_JaffaCakes118.exe	88
PID 632 wrote to memory of 3616	632	b783a504f148258f73a69624797b73c1_JaffaCakes118.exe	88
PID 632 wrote to memory of 3616	632	b783a504f148258f73a69624797b73c1_JaffaCakes118.exe	88
PID 2932 wrote to memory of 2572	2932	INSTALL.EXE	89
PID 2932 wrote to memory of 2572	2932	INSTALL.EXE	89
PID 2932 wrote to memory of 2572	2932	INSTALL.EXE	89
PID 2572 wrote to memory of 2216	2572	UUYK.exe	108
PID 2572 wrote to memory of 2216	2572	UUYK.exe	108
PID 2572 wrote to memory of 2216	2572	UUYK.exe	108

C:\Users\Admin\AppData\Local\Temp\b783a504f148258f73a69624797b73c1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b783a504f148258f73a69624797b73c1_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:632
- C:\INSTALL.EXE
  "C:\INSTALL.EXE"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2932
- - C:\Windows\SysWOW64\28463\UUYK.exe
    "C:\Windows\system32\28463\UUYK.exe"
    3⤵
    - Checks computer location settings
    - 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
    - Suspicious use of WriteProcessMemory
    PID:2572
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2572 -s 1072
      4⤵
      Loads dropped DLL
      Program crash
      PID:4296
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Windows\SysWOW64\28463\UUYK.exe > nul
      4⤵
      System Location Discovery: System Language Discovery
      PID:2216
- C:\NE2X VOICE LAGGER 1.0.EXE
  "C:\NE2X VOICE LAGGER 1.0.EXE"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:3616

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 208 -p 2572 -ip 2572
1⤵
PID:2824

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

Indicator Removal

1

T1070

File Deletion

Modify Registry

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:\INSTALL.EXE

Filesize
480KB

MD5
d44e31d7a580b492034af034d60ddbb6

SHA1
955d97b3f347a0480b3624e48f96a7656e4d8de5

SHA256
7f360452adb853d0fe760de1aea7fb3050a308a240b8e43a3a20272f865edb21

SHA512
e5977b1fa8cde8ec9c95687f3a83965fcf304ffe8007b7f72d615c2f42294328f4abd8fc137e4fd17f25ca86fd7fa4ddbb629a533550dc2c4157fe0cb5a21137

Download Submit
C:\NE2X VOICE LAGGER 1.0.EXE

Filesize
384KB

MD5
fb57af7d231d0da9e35a4dbb0f6af892

SHA1
fbb469c0eccadb0360da09dd7857bc9de0e6dc83

SHA256
39eef35e4c0bb2ae372acb2efe8ddf0b8632b119b5d318e18bfa292e6817bb18

SHA512
2ae3e86dfac403a4dc92685cde6fd598493cd3ab7d6d721a1938311c8529e833d7c40065d383864a297d026522cb793b50771e6f00c51ca63a76e406ff26b862

Download Submit
C:\Users\Admin\AppData\Local\Temp\@A43F.tmp

Filesize
4KB

MD5
c3679c3ff636d1a6b8c65323540da371

SHA1
d184758721a426467b687bec2a4acc80fe44c6f8

SHA256
d4eba51c616b439a8819218bddf9a6fa257d55c9f04cf81441cc99cc945ad3eb

SHA512
494a0a32eef4392ecb54df6e1da7d93183473c4e45f4ac4bd6ec3b0ed8c85c58303a0d36edec41420d05ff624195f08791b6b7e018419a3251b7e71ec9b730e7

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

Filesize
395KB

MD5
b8fa30233794772b8b76b4b1d91c7321

SHA1
0cf9561be2528944285e536f41d502be24c3aa87

SHA256
14116fa79ccc105fabd312b4dff74933f8684c6b27db37e5e3a79d159092d29a

SHA512
10ce8b18e7afb8c7e30bb90b0a1f199ef0b77873fa7a9efc596606e151be6b516c0ec6222a9032bdcc527e80964f53d20a28fa1881a08b4df303b2e28204549d

Download Submit
C:\Windows\SysWOW64\28463\UUYK.001

Filesize
392B

MD5
c2332ac7ac936dd16f3b31d29f03a3df

SHA1
0a758f7a2c39e894db330e2ad479e22677fb2bd2

SHA256
1c124f308fd5c4833edda632307144e29bd008884b83d825831eb391ff6fd836

SHA512
d0912fdf00b85160d9fcc186fed64c0d9cf86f5daf330655b3cd56cb058f481ec77b0f032256998fb9fd5d59955fe504bf14979ce7cdfc16d98c12958294f26a

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

Filesize
8KB

MD5
43f02e9974b1477c1e6388882f233db0

SHA1
f3e27b231193f8d5b2e1b09d05ae3a62795cf339

SHA256
3c9e56e51d5a7a1b9aefe853c12a98bf246039aa46db94227ea128f6331782ba

SHA512
e22d14735606fe75ee5e55204807c3f5531d3e0c4f63aa4a3b2d4bb6abda6128c7e2816753f2e64400ac6dae8f8ef1e013a7a464dff2a79ad9937c48821a067f

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

Filesize
5KB

MD5
b5a87d630436f958c6e1d82d15f98f96

SHA1
d3ff5e92198d4df0f98a918071aca53550bf1cff

SHA256
a895ad4d23e8b2c2dc552092f645ca309e62c36d4721ebfe7afd2eee7765d4b2

SHA512
fd7bae85a86bdaa12fec826d1d38728a90e2037cb3182ad7652d8a9f54c4b322734c587b62221e6f907fce24fcf2e0ae4cce1f5e3d8861661064b4da24bd87ce

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

Filesize
473KB

MD5
17535dddecf8cb1efdba1f1952126547

SHA1
a862a9a3eb6c201751be1038537522a5281ea6cb

SHA256
1a3d28ac6359e58aa656f4734f9f36b6c09badadcf9fb900b9b118d90c38a9dd

SHA512
b4f31b552ab3bb3dafa365aa7a31f58674ae7ee82ce1d23457f2e7047431430b00abb3b5498491725639daf583b526b278a737168cfdc4e9ec796dfbc14a53d8

Download Submit
memory/632-0-0x00000000022B0000-0x00000000022B1000-memory.dmp

Filesize
4KB

Download
memory/632-29-0x0000000000400000-0x0000000000534000-memory.dmp

Filesize
1.2MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads