ardamax | df129d8b76de4b3dbe513bcb000ee5f6f7f3f9060cf1d961fe02464ca69ad5f9

General

Target

2053d0839a99f4d59b9bbc7c30cefbf7_JaffaCakes118.exe
Size

505KB
MD5

2053d0839a99f4d59b9bbc7c30cefbf7
SHA1

75679b05d747d20e5ec9fe11bed88a31cc6a1e8d
SHA256

df129d8b76de4b3dbe513bcb000ee5f6f7f3f9060cf1d961fe02464ca69ad5f9
SHA512

e2198e7c2204e3b3b58090f9d312f715f02ee98e45f3e9c40f0fe5c516513d63bba76ca7ffab84dbf64448347ed66767404a963b563a984d689e5014db8b2360
SSDEEP

12288:cwcxSG6fGmY76OmDJLUv1JnuaTKJhu9mj9ffcZ:7mSG6fbg6Om9LOnuaTNzZ

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/0x0007000000023c97-12.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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	2053d0839a99f4d59b9bbc7c30cefbf7_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2676	MYVD.exe

Loads dropped DLL 7 IoCs

pid	Process
4908	2053d0839a99f4d59b9bbc7c30cefbf7_JaffaCakes118.exe
2676	MYVD.exe
2036	NOTEPAD.EXE
2676	MYVD.exe
2676	MYVD.exe
2036	NOTEPAD.EXE
2036	NOTEPAD.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\MYVD Agent = "C:\\Windows\\SysWOW64\\28463\\MYVD.exe"	MYVD.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\28463\MYVD.007	2053d0839a99f4d59b9bbc7c30cefbf7_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\28463\MYVD.exe	2053d0839a99f4d59b9bbc7c30cefbf7_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\28463\AKV.exe	2053d0839a99f4d59b9bbc7c30cefbf7_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\28463	MYVD.exe
File created	C:\Windows\SysWOW64\28463\MYVD.001	2053d0839a99f4d59b9bbc7c30cefbf7_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\28463\MYVD.006	2053d0839a99f4d59b9bbc7c30cefbf7_JaffaCakes118.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	2053d0839a99f4d59b9bbc7c30cefbf7_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MYVD.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NOTEPAD.EXE

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000_Classes\Local Settings	2053d0839a99f4d59b9bbc7c30cefbf7_JaffaCakes118.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
2036	NOTEPAD.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	2676	MYVD.exe
Token: SeIncBasePriorityPrivilege	2676	MYVD.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2676	MYVD.exe
2676	MYVD.exe
2676	MYVD.exe
2676	MYVD.exe
2676	MYVD.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4908 wrote to memory of 2676	4908	2053d0839a99f4d59b9bbc7c30cefbf7_JaffaCakes118.exe	85
PID 4908 wrote to memory of 2676	4908	2053d0839a99f4d59b9bbc7c30cefbf7_JaffaCakes118.exe	85
PID 4908 wrote to memory of 2676	4908	2053d0839a99f4d59b9bbc7c30cefbf7_JaffaCakes118.exe	85
PID 4908 wrote to memory of 2036	4908	2053d0839a99f4d59b9bbc7c30cefbf7_JaffaCakes118.exe	86
PID 4908 wrote to memory of 2036	4908	2053d0839a99f4d59b9bbc7c30cefbf7_JaffaCakes118.exe	86
PID 4908 wrote to memory of 2036	4908	2053d0839a99f4d59b9bbc7c30cefbf7_JaffaCakes118.exe	86

C:\Users\Admin\AppData\Local\Temp\2053d0839a99f4d59b9bbc7c30cefbf7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2053d0839a99f4d59b9bbc7c30cefbf7_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4908
- C:\Windows\SysWOW64\28463\MYVD.exe
  "C:\Windows\system32\28463\MYVD.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:2676
- C:\Windows\SysWOW64\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\Readme.txt
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Opens file in notepad (likely ransom note)
  PID:2036

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\@AAA7.tmp

Filesize
4KB

MD5
c3679c3ff636d1a6b8c65323540da371

SHA1
d184758721a426467b687bec2a4acc80fe44c6f8

SHA256
d4eba51c616b439a8819218bddf9a6fa257d55c9f04cf81441cc99cc945ad3eb

SHA512
494a0a32eef4392ecb54df6e1da7d93183473c4e45f4ac4bd6ec3b0ed8c85c58303a0d36edec41420d05ff624195f08791b6b7e018419a3251b7e71ec9b730e7

Download Submit
C:\Users\Admin\AppData\Local\Temp\Readme.txt

Filesize
2KB

MD5
1d5031c40b6deb075a089e9af614f8e1

SHA1
c00ff5d09b13dfee4690735d8625ff82db42586c

SHA256
bf2c35bc19cf9ae8e4ef3abcb14a25cce94e2e58b28ec4624f32481539e01c32

SHA512
9359c9a0a1838148d726ba58ffed7c0df55cfc74e1fb97fc6278306806d45d87985bfcf382d1340157a2b245cc6f5c2a14da9d991e715bf2e4737388af3e2a24

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

Filesize
395KB

MD5
b8fa30233794772b8b76b4b1d91c7321

SHA1
0cf9561be2528944285e536f41d502be24c3aa87

SHA256
14116fa79ccc105fabd312b4dff74933f8684c6b27db37e5e3a79d159092d29a

SHA512
10ce8b18e7afb8c7e30bb90b0a1f199ef0b77873fa7a9efc596606e151be6b516c0ec6222a9032bdcc527e80964f53d20a28fa1881a08b4df303b2e28204549d

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

Filesize
468B

MD5
f6e3ad38bc7cf533582791161c1176be

SHA1
98ac1fdd00c51f1b19f6ad2d8f990941095688a1

SHA256
673b4d076fb89d64107cdb58928506fe2630c7925b302707344dc842af6bdf00

SHA512
8e3ad4a5fa0f0f9a8f9cacfd95c731e9193b3bb6bde19620216caf33031269adde5f6c9429539df330e970cd263b45c7025a15b96b09cb1606171de2515502b9

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

Filesize
8KB

MD5
43f02e9974b1477c1e6388882f233db0

SHA1
f3e27b231193f8d5b2e1b09d05ae3a62795cf339

SHA256
3c9e56e51d5a7a1b9aefe853c12a98bf246039aa46db94227ea128f6331782ba

SHA512
e22d14735606fe75ee5e55204807c3f5531d3e0c4f63aa4a3b2d4bb6abda6128c7e2816753f2e64400ac6dae8f8ef1e013a7a464dff2a79ad9937c48821a067f

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

Filesize
5KB

MD5
b5a87d630436f958c6e1d82d15f98f96

SHA1
d3ff5e92198d4df0f98a918071aca53550bf1cff

SHA256
a895ad4d23e8b2c2dc552092f645ca309e62c36d4721ebfe7afd2eee7765d4b2

SHA512
fd7bae85a86bdaa12fec826d1d38728a90e2037cb3182ad7652d8a9f54c4b322734c587b62221e6f907fce24fcf2e0ae4cce1f5e3d8861661064b4da24bd87ce

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

Filesize
473KB

MD5
17535dddecf8cb1efdba1f1952126547

SHA1
a862a9a3eb6c201751be1038537522a5281ea6cb

SHA256
1a3d28ac6359e58aa656f4734f9f36b6c09badadcf9fb900b9b118d90c38a9dd

SHA512
b4f31b552ab3bb3dafa365aa7a31f58674ae7ee82ce1d23457f2e7047431430b00abb3b5498491725639daf583b526b278a737168cfdc4e9ec796dfbc14a53d8

Download Submit
memory/2676-25-0x0000000000780000-0x0000000000781000-memory.dmp

Filesize
4KB

Download
memory/2676-33-0x0000000000780000-0x0000000000781000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads