ardamax | e4e53aa188b08f901e5356b7eaf037ce202675e49e54640da9081f3eefc6df3a

General

Target

JaffaCakes118_6cddc9af919c75723b4b01e659cdcf94.exe
Size

1.8MB
MD5

6cddc9af919c75723b4b01e659cdcf94
SHA1

c1824a630a0e8dc0b8e2372469ddd2459e5e2f4a
SHA256

e4e53aa188b08f901e5356b7eaf037ce202675e49e54640da9081f3eefc6df3a
SHA512

9310030991ccb020190744bdf66886554c510718da94b62250529bf85c58a652c37e7dee43aa4537b0c9b2915927f062b588483da807f7057d1a067755cef92f
SSDEEP

49152:DKOoYGMIckt0KdEVi2LWSdI3L8F4DJE9d6b7ENb2XhU:DKOoYvkt0Xi2LWSd8e4DJ/Yb2XO

Score

10^/10

ardamax defense_evasion discovery keylogger persistence stealer

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/0x0007000000017488-9.dat	family_ardamax

Executes dropped EXE 1 IoCs

pid	Process
2348	NSKR.exe

Loads dropped DLL 5 IoCs

pid	Process
2100	JaffaCakes118_6cddc9af919c75723b4b01e659cdcf94.exe
2100	JaffaCakes118_6cddc9af919c75723b4b01e659cdcf94.exe
2100	JaffaCakes118_6cddc9af919c75723b4b01e659cdcf94.exe
2348	NSKR.exe
2348	NSKR.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\NSKR Agent = "C:\\Windows\\SysWOW64\\28463\\NSKR.exe"	NSKR.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\NSKR.006	JaffaCakes118_6cddc9af919c75723b4b01e659cdcf94.exe
File created	C:\Windows\SysWOW64\28463\NSKR.007	JaffaCakes118_6cddc9af919c75723b4b01e659cdcf94.exe
File created	C:\Windows\SysWOW64\28463\NSKR.exe	JaffaCakes118_6cddc9af919c75723b4b01e659cdcf94.exe
File created	C:\Windows\SysWOW64\28463\AKV.exe	JaffaCakes118_6cddc9af919c75723b4b01e659cdcf94.exe
File opened for modification	C:\Windows\SysWOW64\28463	NSKR.exe
File created	C:\Windows\SysWOW64\28463\NSKR.001	JaffaCakes118_6cddc9af919c75723b4b01e659cdcf94.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	JaffaCakes118_6cddc9af919c75723b4b01e659cdcf94.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NSKR.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2536	vlc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2536	vlc.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: 33	2348	NSKR.exe
Token: SeIncBasePriorityPrivilege	2348	NSKR.exe
Token: SeIncBasePriorityPrivilege	2348	NSKR.exe

Suspicious use of FindShellTrayWindow 8 IoCs

pid	Process
2536	vlc.exe
2536	vlc.exe
2536	vlc.exe
2536	vlc.exe
2536	vlc.exe
2536	vlc.exe
2536	vlc.exe
2536	vlc.exe

Suspicious use of SendNotifyMessage 7 IoCs

pid	Process
2536	vlc.exe
2536	vlc.exe
2536	vlc.exe
2536	vlc.exe
2536	vlc.exe
2536	vlc.exe
2536	vlc.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2348	NSKR.exe
2348	NSKR.exe
2348	NSKR.exe
2348	NSKR.exe
2348	NSKR.exe
2536	vlc.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2100 wrote to memory of 2348	2100	JaffaCakes118_6cddc9af919c75723b4b01e659cdcf94.exe	30
PID 2100 wrote to memory of 2348	2100	JaffaCakes118_6cddc9af919c75723b4b01e659cdcf94.exe	30
PID 2100 wrote to memory of 2348	2100	JaffaCakes118_6cddc9af919c75723b4b01e659cdcf94.exe	30
PID 2100 wrote to memory of 2348	2100	JaffaCakes118_6cddc9af919c75723b4b01e659cdcf94.exe	30
PID 2100 wrote to memory of 2536	2100	JaffaCakes118_6cddc9af919c75723b4b01e659cdcf94.exe	31
PID 2100 wrote to memory of 2536	2100	JaffaCakes118_6cddc9af919c75723b4b01e659cdcf94.exe	31
PID 2100 wrote to memory of 2536	2100	JaffaCakes118_6cddc9af919c75723b4b01e659cdcf94.exe	31
PID 2100 wrote to memory of 2536	2100	JaffaCakes118_6cddc9af919c75723b4b01e659cdcf94.exe	31
PID 2348 wrote to memory of 792	2348	NSKR.exe	33
PID 2348 wrote to memory of 792	2348	NSKR.exe	33
PID 2348 wrote to memory of 792	2348	NSKR.exe	33
PID 2348 wrote to memory of 792	2348	NSKR.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6cddc9af919c75723b4b01e659cdcf94.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6cddc9af919c75723b4b01e659cdcf94.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2100
- C:\Windows\SysWOW64\28463\NSKR.exe
  "C:\Windows\system32\28463\NSKR.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
  - Suspicious use of WriteProcessMemory
  PID:2348
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del C:\Windows\SysWOW64\28463\NSKR.exe > nul
    3⤵
    - System Location Discovery: System Language Discovery
    PID:792
- C:\Program Files\VideoLAN\VLC\vlc.exe
  "C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\AppData\Local\Temp\open_hehehask_36899.rec"
  2⤵
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  PID:2536

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

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\open_hehehask_36899.rec

Filesize
1.4MB

MD5
df1a83c25da2d5d749a61c6262912da3

SHA1
6448f99d05c1e86b860635e657e2521e69357ac2

SHA256
4425390d2ad03c945ca399ca9a055326c78e44de38c82cb684a5d3fb5273bab8

SHA512
894c790229ec2e85373c5cfaab5973998c93063f1ba215c38ff94b28e2cca0dd2a436927ed351af4cf759916ff25a5fbc5b613dd96af77cbf699b80c5edf12c4

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

Filesize
395KB

MD5
b8fa30233794772b8b76b4b1d91c7321

SHA1
0cf9561be2528944285e536f41d502be24c3aa87

SHA256
14116fa79ccc105fabd312b4dff74933f8684c6b27db37e5e3a79d159092d29a

SHA512
10ce8b18e7afb8c7e30bb90b0a1f199ef0b77873fa7a9efc596606e151be6b516c0ec6222a9032bdcc527e80964f53d20a28fa1881a08b4df303b2e28204549d

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

Filesize
462B

MD5
b610d5eca070b0c40306a702975662c6

SHA1
f1d257fb2a84e32bfc8bb182ac853d4c659e954d

SHA256
a2ee517d4ec94d09bb786aadd8ed6d8d33b393aae5ea5fc44430b2a6e99cab2a

SHA512
a404ae308c9d1fc88ba003b3e2007cdee223a49f9abb6a0f649f8afadcf301e2e5e324d3bd5372207d169d1e01bb36e1d24c9a7ca65bea70f3561dab8b9f0528

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

Filesize
8KB

MD5
43f02e9974b1477c1e6388882f233db0

SHA1
f3e27b231193f8d5b2e1b09d05ae3a62795cf339

SHA256
3c9e56e51d5a7a1b9aefe853c12a98bf246039aa46db94227ea128f6331782ba

SHA512
e22d14735606fe75ee5e55204807c3f5531d3e0c4f63aa4a3b2d4bb6abda6128c7e2816753f2e64400ac6dae8f8ef1e013a7a464dff2a79ad9937c48821a067f

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

Filesize
5KB

MD5
b5a87d630436f958c6e1d82d15f98f96

SHA1
d3ff5e92198d4df0f98a918071aca53550bf1cff

SHA256
a895ad4d23e8b2c2dc552092f645ca309e62c36d4721ebfe7afd2eee7765d4b2

SHA512
fd7bae85a86bdaa12fec826d1d38728a90e2037cb3182ad7652d8a9f54c4b322734c587b62221e6f907fce24fcf2e0ae4cce1f5e3d8861661064b4da24bd87ce

Download Submit
\Users\Admin\AppData\Local\Temp\@BA5A.tmp

Filesize
4KB

MD5
c3679c3ff636d1a6b8c65323540da371

SHA1
d184758721a426467b687bec2a4acc80fe44c6f8

SHA256
d4eba51c616b439a8819218bddf9a6fa257d55c9f04cf81441cc99cc945ad3eb

SHA512
494a0a32eef4392ecb54df6e1da7d93183473c4e45f4ac4bd6ec3b0ed8c85c58303a0d36edec41420d05ff624195f08791b6b7e018419a3251b7e71ec9b730e7

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

Filesize
473KB

MD5
17535dddecf8cb1efdba1f1952126547

SHA1
a862a9a3eb6c201751be1038537522a5281ea6cb

SHA256
1a3d28ac6359e58aa656f4734f9f36b6c09badadcf9fb900b9b118d90c38a9dd

SHA512
b4f31b552ab3bb3dafa365aa7a31f58674ae7ee82ce1d23457f2e7047431430b00abb3b5498491725639daf583b526b278a737168cfdc4e9ec796dfbc14a53d8

Download Submit
memory/2348-25-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2348-68-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2536-57-0x000007FEF4BB0000-0x000007FEF4C2C000-memory.dmp

Filesize
496KB

Download
memory/2536-51-0x000007FEF6670000-0x000007FEF6681000-memory.dmp

Filesize
68KB

Download
memory/2536-40-0x000007FEF7730000-0x000007FEF7747000-memory.dmp

Filesize
92KB

Download
memory/2536-39-0x000007FEF7A10000-0x000007FEF7A21000-memory.dmp

Filesize
68KB

Download
memory/2536-38-0x000007FEFA180000-0x000007FEFA197000-memory.dmp

Filesize
92KB

Download
memory/2536-36-0x000007FEF5F60000-0x000007FEF6216000-memory.dmp

Filesize
2.7MB

Download
memory/2536-41-0x000007FEF6C10000-0x000007FEF6C21000-memory.dmp

Filesize
68KB

Download
memory/2536-42-0x000007FEF6BF0000-0x000007FEF6C0D000-memory.dmp

Filesize
116KB

Download
memory/2536-43-0x000007FEF6BD0000-0x000007FEF6BE1000-memory.dmp

Filesize
68KB

Download
memory/2536-45-0x000007FEF4CA0000-0x000007FEF4EAB000-memory.dmp

Filesize
2.0MB

Download
memory/2536-58-0x000007FEF65C0000-0x000007FEF65D1000-memory.dmp

Filesize
68KB

Download
memory/2536-35-0x000007FEF7750000-0x000007FEF7784000-memory.dmp

Filesize
208KB

Download
memory/2536-56-0x000007FEF4C30000-0x000007FEF4C97000-memory.dmp

Filesize
412KB

Download
memory/2536-55-0x000007FEF65E0000-0x000007FEF6610000-memory.dmp

Filesize
192KB

Download
memory/2536-54-0x000007FEF6610000-0x000007FEF6628000-memory.dmp

Filesize
96KB

Download
memory/2536-53-0x000007FEF6630000-0x000007FEF6641000-memory.dmp

Filesize
68KB

Download
memory/2536-52-0x000007FEF6650000-0x000007FEF666B000-memory.dmp

Filesize
108KB

Download
memory/2536-37-0x000007FEFAC90000-0x000007FEFACA8000-memory.dmp

Filesize
96KB

Download
memory/2536-50-0x000007FEF6690000-0x000007FEF66A1000-memory.dmp

Filesize
68KB

Download
memory/2536-49-0x000007FEF66B0000-0x000007FEF66C1000-memory.dmp

Filesize
68KB

Download
memory/2536-48-0x000007FEF66D0000-0x000007FEF66E8000-memory.dmp

Filesize
96KB

Download
memory/2536-47-0x000007FEF6BA0000-0x000007FEF6BC1000-memory.dmp

Filesize
132KB

Download
memory/2536-46-0x000007FEF66F0000-0x000007FEF6731000-memory.dmp

Filesize
260KB

Download
memory/2536-44-0x000007FEF4EB0000-0x000007FEF5F60000-memory.dmp

Filesize
16.7MB

Download
memory/2536-59-0x000007FEF4B50000-0x000007FEF4BA7000-memory.dmp

Filesize
348KB

Download
memory/2536-60-0x000007FEF6590000-0x000007FEF65B8000-memory.dmp

Filesize
160KB

Download
memory/2536-61-0x000007FEF4B20000-0x000007FEF4B44000-memory.dmp

Filesize
144KB

Download
memory/2536-62-0x000007FEF4B00000-0x000007FEF4B18000-memory.dmp

Filesize
96KB

Download
memory/2536-63-0x000007FEF4AD0000-0x000007FEF4AF3000-memory.dmp

Filesize
140KB

Download
memory/2536-64-0x000007FEF4AB0000-0x000007FEF4AC1000-memory.dmp

Filesize
68KB

Download
memory/2536-65-0x000007FEF4A90000-0x000007FEF4AA2000-memory.dmp

Filesize
72KB

Download
memory/2536-66-0x000007FEF22B0000-0x000007FEF22C1000-memory.dmp

Filesize
68KB

Download
memory/2536-34-0x000000013F940000-0x000000013FA38000-memory.dmp

Filesize
992KB

Download
memory/2536-67-0x000007FEF2250000-0x000007FEF22A7000-memory.dmp

Filesize
348KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads