ardamax | ef371b0f55e051e7498a321d53bd75d61465068ef8383180538e00ff627846b3

General

Target

d46c688786cef7259b58434e0a82b726_JaffaCakes118.exe
Size

1.3MB
MD5

d46c688786cef7259b58434e0a82b726
SHA1

b28efa5db999bda71e047941750e0af63f720417
SHA256

ef371b0f55e051e7498a321d53bd75d61465068ef8383180538e00ff627846b3
SHA512

c2e685b4ec6bd83169426af3db0aff8eabdb22e4e725b34922600bda2ae05cca39deaadbc361af5f099b05e444f238dc368409b8cbf09b5900e64de28f016778
SSDEEP

24576:HWINAuMuHn17zXRzcnKeZXdIKFyPezEWbUl0jcwgySBw8MaY6VdqiBd9AWb+gvbL:HRNseRIRjmkzgyMQud9bbvebax

Score

10^/10

ardamax discovery keylogger persistence stealer upx

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/0x00070000000191d1-49.dat	family_ardamax

Executes dropped EXE 2 IoCs

pid	Process
2736	server.exe
2616	PHXR.exe

Loads dropped DLL 9 IoCs

pid	Process
2780	d46c688786cef7259b58434e0a82b726_JaffaCakes118.exe
2780	d46c688786cef7259b58434e0a82b726_JaffaCakes118.exe
2736	server.exe
2736	server.exe
2736	server.exe
2616	PHXR.exe
1628	NOTEPAD.EXE
2616	PHXR.exe
1628	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\PHXR Agent = "C:\\Windows\\SysWOW64\\28463\\PHXR.exe"	PHXR.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

AutoIT Executable 4 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/2780-21-0x0000000000400000-0x0000000000498000-memory.dmp	autoit_exe
behavioral1/memory/2780-22-0x0000000000400000-0x0000000000498000-memory.dmp	autoit_exe
behavioral1/memory/2780-20-0x0000000000400000-0x0000000000498000-memory.dmp	autoit_exe
behavioral1/memory/2780-38-0x0000000000400000-0x0000000000498000-memory.dmp	autoit_exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\28463\AKV.exe	server.exe
File opened for modification	C:\Windows\SysWOW64\28463	PHXR.exe
File created	C:\Windows\SysWOW64\28463\PHXR.001	server.exe
File created	C:\Windows\SysWOW64\28463\PHXR.006	server.exe
File created	C:\Windows\SysWOW64\28463\PHXR.007	server.exe
File created	C:\Windows\SysWOW64\28463\PHXR.exe	server.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2756 set thread context of 2780	2756	d46c688786cef7259b58434e0a82b726_JaffaCakes118.exe	31

UPX packed file 8 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2780-4-0x0000000000400000-0x0000000000498000-memory.dmp	upx
behavioral1/memory/2780-21-0x0000000000400000-0x0000000000498000-memory.dmp	upx
behavioral1/memory/2780-22-0x0000000000400000-0x0000000000498000-memory.dmp	upx
behavioral1/memory/2780-20-0x0000000000400000-0x0000000000498000-memory.dmp	upx
behavioral1/memory/2780-19-0x0000000000400000-0x0000000000498000-memory.dmp	upx
behavioral1/memory/2780-10-0x0000000000400000-0x0000000000498000-memory.dmp	upx
behavioral1/memory/2780-7-0x0000000000400000-0x0000000000498000-memory.dmp	upx
behavioral1/memory/2780-38-0x0000000000400000-0x0000000000498000-memory.dmp	upx

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 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	server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PHXR.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NOTEPAD.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d46c688786cef7259b58434e0a82b726_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d46c688786cef7259b58434e0a82b726_JaffaCakes118.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
1628	NOTEPAD.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	2616	PHXR.exe
Token: SeIncBasePriorityPrivilege	2616	PHXR.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2616	PHXR.exe
2616	PHXR.exe
2616	PHXR.exe
2616	PHXR.exe
2616	PHXR.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2756 wrote to memory of 2780	2756	d46c688786cef7259b58434e0a82b726_JaffaCakes118.exe	31
PID 2756 wrote to memory of 2780	2756	d46c688786cef7259b58434e0a82b726_JaffaCakes118.exe	31
PID 2756 wrote to memory of 2780	2756	d46c688786cef7259b58434e0a82b726_JaffaCakes118.exe	31
PID 2756 wrote to memory of 2780	2756	d46c688786cef7259b58434e0a82b726_JaffaCakes118.exe	31
PID 2756 wrote to memory of 2780	2756	d46c688786cef7259b58434e0a82b726_JaffaCakes118.exe	31
PID 2756 wrote to memory of 2780	2756	d46c688786cef7259b58434e0a82b726_JaffaCakes118.exe	31
PID 2756 wrote to memory of 2780	2756	d46c688786cef7259b58434e0a82b726_JaffaCakes118.exe	31
PID 2756 wrote to memory of 2780	2756	d46c688786cef7259b58434e0a82b726_JaffaCakes118.exe	31
PID 2780 wrote to memory of 2736	2780	d46c688786cef7259b58434e0a82b726_JaffaCakes118.exe	32
PID 2780 wrote to memory of 2736	2780	d46c688786cef7259b58434e0a82b726_JaffaCakes118.exe	32
PID 2780 wrote to memory of 2736	2780	d46c688786cef7259b58434e0a82b726_JaffaCakes118.exe	32
PID 2780 wrote to memory of 2736	2780	d46c688786cef7259b58434e0a82b726_JaffaCakes118.exe	32
PID 2736 wrote to memory of 2616	2736	server.exe	33
PID 2736 wrote to memory of 2616	2736	server.exe	33
PID 2736 wrote to memory of 2616	2736	server.exe	33
PID 2736 wrote to memory of 2616	2736	server.exe	33
PID 2736 wrote to memory of 1628	2736	server.exe	34
PID 2736 wrote to memory of 1628	2736	server.exe	34
PID 2736 wrote to memory of 1628	2736	server.exe	34
PID 2736 wrote to memory of 1628	2736	server.exe	34

C:\Users\Admin\AppData\Local\Temp\d46c688786cef7259b58434e0a82b726_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d46c688786cef7259b58434e0a82b726_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2756
- C:\Users\Admin\AppData\Local\Temp\d46c688786cef7259b58434e0a82b726_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\d46c688786cef7259b58434e0a82b726_JaffaCakes118.exe
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2780
- - C:\Users\Admin\AppData\Local\Temp\server.exe
    C:\Users\Admin\AppData\Local\Temp/server.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2736
  - - C:\Windows\SysWOW64\28463\PHXR.exe
      "C:\Windows\system32\28463\PHXR.exe"
      4⤵
      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:2616
  - - C:\Windows\SysWOW64\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\CREDITS.txt
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      Opens file in notepad (likely ransom note)
      PID:1628

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\CREDITS.txt

Filesize
5KB

MD5
a7297286016eb1ed500f4af219816b6d

SHA1
da9d08c9c6e20a7778684145d90d279858f71040

SHA256
3d6b01722af24324fa9a478fe0b7a24dd6736c06c89b3d28de12ddb3a4762d4a

SHA512
81d76f15fa18fb663a5f61ae1e6629ad159bb4330cde224285b4432a3a7fad5d419d24e4c14710261e85ae292a6c77008336fb68d18622e95261532772e5f74e

Download Submit
C:\Users\Admin\AppData\Local\Temp\server.exe

Filesize
504KB

MD5
15b3ae2f7c989ba86a6f336b9dd3fe9e

SHA1
00df30f610fb3f2c18622864a562eddfc488de2e

SHA256
d52debf5e2636a18a3991b790629f2e8f6291093170f5f79a54b388df21d39c8

SHA512
8823c7b64cdab45dba7e0ffbeea499634e298970f9ecee78ca7cb926a8a71529cf609044be52b3556d9df50b7a6fe35b81c14bd2bfb73996e4e157ac68f574a1

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

Filesize
395KB

MD5
b8fa30233794772b8b76b4b1d91c7321

SHA1
0cf9561be2528944285e536f41d502be24c3aa87

SHA256
14116fa79ccc105fabd312b4dff74933f8684c6b27db37e5e3a79d159092d29a

SHA512
10ce8b18e7afb8c7e30bb90b0a1f199ef0b77873fa7a9efc596606e151be6b516c0ec6222a9032bdcc527e80964f53d20a28fa1881a08b4df303b2e28204549d

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

Filesize
482B

MD5
6ccb62969f53c86aaf700e613b54e4b1

SHA1
3d3e659e133e7b2cf13cd1b17fc2528e69d2a5f7

SHA256
ba2f36541e8dcec8dcaa140e25fdcc6ee62c6b4d256b6a4344f47a0aeafcb69f

SHA512
2e43512a66359c351c8e407296a6e8d85b30f4816e4127d5743c1e43683b0b5a560d0f4c0ecdb97fc578669bdb06690772520568f9667d67a8d262dbffacb3d9

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

Filesize
8KB

MD5
43f02e9974b1477c1e6388882f233db0

SHA1
f3e27b231193f8d5b2e1b09d05ae3a62795cf339

SHA256
3c9e56e51d5a7a1b9aefe853c12a98bf246039aa46db94227ea128f6331782ba

SHA512
e22d14735606fe75ee5e55204807c3f5531d3e0c4f63aa4a3b2d4bb6abda6128c7e2816753f2e64400ac6dae8f8ef1e013a7a464dff2a79ad9937c48821a067f

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

Filesize
5KB

MD5
b5a87d630436f958c6e1d82d15f98f96

SHA1
d3ff5e92198d4df0f98a918071aca53550bf1cff

SHA256
a895ad4d23e8b2c2dc552092f645ca309e62c36d4721ebfe7afd2eee7765d4b2

SHA512
fd7bae85a86bdaa12fec826d1d38728a90e2037cb3182ad7652d8a9f54c4b322734c587b62221e6f907fce24fcf2e0ae4cce1f5e3d8861661064b4da24bd87ce

Download Submit
\Users\Admin\AppData\Local\Temp\@E3CA.tmp

Filesize
4KB

MD5
c3679c3ff636d1a6b8c65323540da371

SHA1
d184758721a426467b687bec2a4acc80fe44c6f8

SHA256
d4eba51c616b439a8819218bddf9a6fa257d55c9f04cf81441cc99cc945ad3eb

SHA512
494a0a32eef4392ecb54df6e1da7d93183473c4e45f4ac4bd6ec3b0ed8c85c58303a0d36edec41420d05ff624195f08791b6b7e018419a3251b7e71ec9b730e7

Download Submit
\Windows\SysWOW64\28463\PHXR.exe

Filesize
473KB

MD5
17535dddecf8cb1efdba1f1952126547

SHA1
a862a9a3eb6c201751be1038537522a5281ea6cb

SHA256
1a3d28ac6359e58aa656f4734f9f36b6c09badadcf9fb900b9b118d90c38a9dd

SHA512
b4f31b552ab3bb3dafa365aa7a31f58674ae7ee82ce1d23457f2e7047431430b00abb3b5498491725639daf583b526b278a737168cfdc4e9ec796dfbc14a53d8

Download Submit
memory/2756-1-0x0000000000401000-0x0000000000402000-memory.dmp

Filesize
4KB

Download
memory/2756-0-0x0000000000400000-0x000000000049507C-memory.dmp

Filesize
596KB

Download
memory/2756-17-0x0000000003D20000-0x0000000003DB6000-memory.dmp

Filesize
600KB

Download
memory/2756-16-0x0000000000400000-0x000000000049507C-memory.dmp

Filesize
596KB

Download
memory/2780-22-0x0000000000400000-0x0000000000498000-memory.dmp

Filesize
608KB

Download
memory/2780-2-0x0000000000400000-0x0000000000498000-memory.dmp

Filesize
608KB

Download
memory/2780-38-0x0000000000400000-0x0000000000498000-memory.dmp

Filesize
608KB

Download
memory/2780-7-0x0000000000400000-0x0000000000498000-memory.dmp

Filesize
608KB

Download
memory/2780-10-0x0000000000400000-0x0000000000498000-memory.dmp

Filesize
608KB

Download
memory/2780-19-0x0000000000400000-0x0000000000498000-memory.dmp

Filesize
608KB

Download
memory/2780-20-0x0000000000400000-0x0000000000498000-memory.dmp

Filesize
608KB

Download
memory/2780-21-0x0000000000400000-0x0000000000498000-memory.dmp

Filesize
608KB

Download
memory/2780-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2780-4-0x0000000000400000-0x0000000000498000-memory.dmp

Filesize
608KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads