ardamax | e7d0d55cd52db7b020ebd8409b4aa3a0986e6bf8fa85f4f8f80932e211f82919

General

Target

27c22f4b41642f56efb37490c2e9a2b5_JaffaCakes118.exe
Size

308KB
MD5

27c22f4b41642f56efb37490c2e9a2b5
SHA1

1099edb77b5ee47b83a50eb23fd0c88e0b95aacd
SHA256

e7d0d55cd52db7b020ebd8409b4aa3a0986e6bf8fa85f4f8f80932e211f82919
SHA512

a6fe76c7e48b82e15992ee81621d17204116c9f2058289daf7d39260b5b84504a843b234a844641288c240dc80d8011b736009c40923638a33c0d9161496c934
SSDEEP

6144:tG62ouiuWc+RNFhDSE7IBKgQagm1cRxDdqKrHFXDl7HgUVkOeEZeFHlm8qbNoS:t0+RRtIBmaPeD/bJB7Vs1pl8

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/0x000a000000023b84-12.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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	27c22f4b41642f56efb37490c2e9a2b5_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
3492	NSGK.exe

Loads dropped DLL 5 IoCs

pid	Process
5104	27c22f4b41642f56efb37490c2e9a2b5_JaffaCakes118.exe
3492	NSGK.exe
3492	NSGK.exe
3492	NSGK.exe
5104	27c22f4b41642f56efb37490c2e9a2b5_JaffaCakes118.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\NSGK Agent = "C:\\Windows\\SysWOW64\\28463\\NSGK.exe"	NSGK.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\28463\NSGK.007	27c22f4b41642f56efb37490c2e9a2b5_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\28463\NSGK.exe	27c22f4b41642f56efb37490c2e9a2b5_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\28463	NSGK.exe
File created	C:\Windows\SysWOW64\28463\NSGK.001	27c22f4b41642f56efb37490c2e9a2b5_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\28463\NSGK.006	27c22f4b41642f56efb37490c2e9a2b5_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 2 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	27c22f4b41642f56efb37490c2e9a2b5_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NSGK.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000_Classes\Local Settings	27c22f4b41642f56efb37490c2e9a2b5_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	3492	NSGK.exe
Token: SeIncBasePriorityPrivilege	3492	NSGK.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3492	NSGK.exe
3492	NSGK.exe
3492	NSGK.exe
3492	NSGK.exe
3492	NSGK.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5104 wrote to memory of 3492	5104	27c22f4b41642f56efb37490c2e9a2b5_JaffaCakes118.exe	85
PID 5104 wrote to memory of 3492	5104	27c22f4b41642f56efb37490c2e9a2b5_JaffaCakes118.exe	85
PID 5104 wrote to memory of 3492	5104	27c22f4b41642f56efb37490c2e9a2b5_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\27c22f4b41642f56efb37490c2e9a2b5_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\27c22f4b41642f56efb37490c2e9a2b5_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:5104
- C:\Windows\SysWOW64\28463\NSGK.exe
  "C:\Windows\system32\28463\NSGK.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:3492

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:5100

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\@63DA.tmp

Filesize
4KB

MD5
c3679c3ff636d1a6b8c65323540da371

SHA1
d184758721a426467b687bec2a4acc80fe44c6f8

SHA256
d4eba51c616b439a8819218bddf9a6fa257d55c9f04cf81441cc99cc945ad3eb

SHA512
494a0a32eef4392ecb54df6e1da7d93183473c4e45f4ac4bd6ec3b0ed8c85c58303a0d36edec41420d05ff624195f08791b6b7e018419a3251b7e71ec9b730e7

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

Filesize
396B

MD5
5d6049b7b935ef33973b3231de13015a

SHA1
eb9f5a03e291492f59f8a0604dff5204c0f0d74b

SHA256
bff16010a7e18d40e9307ee793a683a9ad0e4a51e4ff74670b279cc31647ca0f

SHA512
f2f78e48b8edcc7b894cb2b4aa6d58aca5f3d8a9fe4a7a56742999b36984172dbec6cda36d5457420ca89ac03c1b5566904a229bb610cf66d4b5b5bffb1d3fb0

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

Filesize
8KB

MD5
43f02e9974b1477c1e6388882f233db0

SHA1
f3e27b231193f8d5b2e1b09d05ae3a62795cf339

SHA256
3c9e56e51d5a7a1b9aefe853c12a98bf246039aa46db94227ea128f6331782ba

SHA512
e22d14735606fe75ee5e55204807c3f5531d3e0c4f63aa4a3b2d4bb6abda6128c7e2816753f2e64400ac6dae8f8ef1e013a7a464dff2a79ad9937c48821a067f

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

Filesize
5KB

MD5
b5a87d630436f958c6e1d82d15f98f96

SHA1
d3ff5e92198d4df0f98a918071aca53550bf1cff

SHA256
a895ad4d23e8b2c2dc552092f645ca309e62c36d4721ebfe7afd2eee7765d4b2

SHA512
fd7bae85a86bdaa12fec826d1d38728a90e2037cb3182ad7652d8a9f54c4b322734c587b62221e6f907fce24fcf2e0ae4cce1f5e3d8861661064b4da24bd87ce

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

Filesize
473KB

MD5
17535dddecf8cb1efdba1f1952126547

SHA1
a862a9a3eb6c201751be1038537522a5281ea6cb

SHA256
1a3d28ac6359e58aa656f4734f9f36b6c09badadcf9fb900b9b118d90c38a9dd

SHA512
b4f31b552ab3bb3dafa365aa7a31f58674ae7ee82ce1d23457f2e7047431430b00abb3b5498491725639daf583b526b278a737168cfdc4e9ec796dfbc14a53d8

Download Submit
memory/3492-21-0x0000000000A70000-0x0000000000A71000-memory.dmp

Filesize
4KB

Download
memory/3492-28-0x0000000000A70000-0x0000000000A71000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads