ardamax | 8e6d2164679243b757ed0a1610e399db7b5b24bcba098926e67f3a49c51fcde7

General

Target

JaffaCakes118_b8c800c5a22fbeeb183eecb3b5759470.exe
Size

180KB
MD5

b8c800c5a22fbeeb183eecb3b5759470
SHA1

7eae8e51e36841240c390846c9c1b06df00b6c81
SHA256

8e6d2164679243b757ed0a1610e399db7b5b24bcba098926e67f3a49c51fcde7
SHA512

c5f138c64f49f1af9349abd36e2d8076c68e6dd92001606d3deec4446dbfea2863bd3418552e931b3b86d7436a428d33650131b7378776f2418f7ed016b94cbb
SSDEEP

3072:6Oi3d9hdevZs0QQRGxXBI064TOadCj7XP3tLvsAeqv9hwO5V:grMExixDXXFLkAFhh5V

Score

10^/10

ardamax discovery keylogger 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
behavioral2/files/0x0007000000023c2f-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-1-5-21-4174397412-4125106315-2776226590-1000\Control Panel\International\Geo\Nation	JaffaCakes118_b8c800c5a22fbeeb183eecb3b5759470.exe

Executes dropped EXE 1 IoCs

pid	Process
4432	NSK.exe

Loads dropped DLL 4 IoCs

pid	Process
4276	JaffaCakes118_b8c800c5a22fbeeb183eecb3b5759470.exe
4432	NSK.exe
4432	NSK.exe
4432	NSK.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 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\NSK.001	JaffaCakes118_b8c800c5a22fbeeb183eecb3b5759470.exe
File created	C:\Windows\SysWOW64\NSK.006	JaffaCakes118_b8c800c5a22fbeeb183eecb3b5759470.exe
File created	C:\Windows\SysWOW64\NSK.007	JaffaCakes118_b8c800c5a22fbeeb183eecb3b5759470.exe
File created	C:\Windows\SysWOW64\NSK.exe	JaffaCakes118_b8c800c5a22fbeeb183eecb3b5759470.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64	NSK.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	JaffaCakes118_b8c800c5a22fbeeb183eecb3b5759470.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NSK.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	4432	NSK.exe
Token: SeIncBasePriorityPrivilege	4432	NSK.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
4432	NSK.exe
4432	NSK.exe
4432	NSK.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4276 wrote to memory of 4432	4276	JaffaCakes118_b8c800c5a22fbeeb183eecb3b5759470.exe	86
PID 4276 wrote to memory of 4432	4276	JaffaCakes118_b8c800c5a22fbeeb183eecb3b5759470.exe	86
PID 4276 wrote to memory of 4432	4276	JaffaCakes118_b8c800c5a22fbeeb183eecb3b5759470.exe	86

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b8c800c5a22fbeeb183eecb3b5759470.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b8c800c5a22fbeeb183eecb3b5759470.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4276
- C:\Windows\SysWOW64\NSK.exe
  "C:\Windows\system32\NSK.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:4432

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\@90B7.tmp

Filesize
4KB

MD5
ccfd350414f3804bbb32ddd7eb3f6153

SHA1
e91d270b8481d456a3beabf617ef3379a93f1137

SHA256
1dabedfe9c7cda2d8aa74c95ba57fb832a4066b20f4051c0330b4422de237eb3

SHA512
328e069aaced9217eb9f4b4f20e27cd7ef933427e3388b3a0829089d694ea2280a2e5511a9eb577cec2a7b409cf367b0f17d8654076931648e152936fad810bd

Download Submit
C:\Windows\SysWOW64\NSK.001

Filesize
1KB

MD5
3aa4501b2ee6bf155749545663f1b4a4

SHA1
d76eb9ee1198ffdc83854dafd571fae20c3f34af

SHA256
cc16ab4af9a916b576afc200f553daf4a1656d7af3a9752d1ce171f8c26e7b9a

SHA512
e407d56a98f1479eb877e3cda304523e29a8fe3c850e0b63b379a8975e77d596a27b64b1f064e62b5be02fa7c0fff2addc069df087fa1b0053e2d39caff1d4e4

Download Submit
C:\Windows\SysWOW64\NSK.006

Filesize
4KB

MD5
0868167c8915fb3d87d4e5a775a57ffd

SHA1
5f223134e003382fd8c191a1f4ca94922f1d802e

SHA256
6a28449ee15745e772f877b6133913325400a2ca3dbf829d76cf42e0c8d6da4c

SHA512
d9f82239d6990b3dcc261f99f5acf20d71965b08146821575f830698fa07a5ec7ba0553494bb779e427692ada39ed5973489d1077aeec5ddfdf5a73d9c91b058

Download Submit
C:\Windows\SysWOW64\NSK.007

Filesize
6KB

MD5
5e023770dfb9d9068706facc958c7d66

SHA1
9cf95074a78239da000452362c2167991970e972

SHA256
f16ca7e5533eb28fa882eb500add2a936f8d0a705cfc9f4e6c8f4c522a2cf6db

SHA512
a9621e77fe22b054686924cebee3c9a5c448b2f60bd1d4c8a6d6bda161ec270d9a5c76cbe07dcd1d0ee59fdc071de1d271344c629181e14c2c0a54cbac7831af

Download Submit
C:\Windows\SysWOW64\NSK.exe

Filesize
239KB

MD5
2bada91f44e2a5133a5c056b31866112

SHA1
9fbe664832d04d79f96fa090191b73d9811ef08d

SHA256
c742feab59b4e1b7b188b02ed91ab34eaeb83c87ac6babfb5f08649ed2b8cd02

SHA512
dc797a06061937f8dd657a34d4373d3069c9c1a6752752516042e5d135fc41257c7a3a6738b3accd626a02f1887476197eca0ab28cf568daf57269cbe9c8eb41

Download Submit

Analysis

Sharing