ardamax | 6477e9c098751549a6f0f8a30ee64f079aff6623893e78cdca72635b00b3f466

General

Target

JaffaCakes118_b87d13b85aabc991fb6227395d6725fc.exe
Size

1.2MB
MD5

b87d13b85aabc991fb6227395d6725fc
SHA1

855f118d7b70b9b6bd2faf3173a86852ae066da1
SHA256

6477e9c098751549a6f0f8a30ee64f079aff6623893e78cdca72635b00b3f466
SHA512

8245038ade88a92975369f87e0937144fa4224aa939c6e0a518c7cfd56de9c5f0bf8d32b4569275b43586e0ddb95c4c9198b52c86a571265276363c12af74f8d
SSDEEP

24576:5U4oTNlCf+1k3uIh7uWeXoKnD0S79Sv9JkFEJ8SRZyMXkoaKbEhhHRsSq:5ULTbrmJVCXoKnD0SsoC86t0duEhh

Score

10^/10

ardamax 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
behavioral2/files/0x000a000000023b99-8.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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	JaffaCakes118_b87d13b85aabc991fb6227395d6725fc.exe

Executes dropped EXE 1 IoCs

pid	Process
5092	SAX.exe

Loads dropped DLL 1 IoCs

pid	Process
5092	SAX.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\SAX Start = "C:\\Windows\\SysWOW64\\OKALOF\\SAX.exe"	SAX.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\OKALOF\SAX.001	JaffaCakes118_b87d13b85aabc991fb6227395d6725fc.exe
File created	C:\Windows\SysWOW64\OKALOF\SAX.002	JaffaCakes118_b87d13b85aabc991fb6227395d6725fc.exe
File created	C:\Windows\SysWOW64\OKALOF\AKV.exe	JaffaCakes118_b87d13b85aabc991fb6227395d6725fc.exe
File created	C:\Windows\SysWOW64\OKALOF\SAX.exe	JaffaCakes118_b87d13b85aabc991fb6227395d6725fc.exe
File opened for modification	C:\Windows\SysWOW64\OKALOF\	SAX.exe
File created	C:\Windows\SysWOW64\OKALOF\SAX.004	JaffaCakes118_b87d13b85aabc991fb6227395d6725fc.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_b87d13b85aabc991fb6227395d6725fc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SAX.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	5092	SAX.exe
Token: SeIncBasePriorityPrivilege	5092	SAX.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
5092	SAX.exe
5092	SAX.exe
5092	SAX.exe
5092	SAX.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 448 wrote to memory of 5092	448	JaffaCakes118_b87d13b85aabc991fb6227395d6725fc.exe	82
PID 448 wrote to memory of 5092	448	JaffaCakes118_b87d13b85aabc991fb6227395d6725fc.exe	82
PID 448 wrote to memory of 5092	448	JaffaCakes118_b87d13b85aabc991fb6227395d6725fc.exe	82

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b87d13b85aabc991fb6227395d6725fc.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b87d13b85aabc991fb6227395d6725fc.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:448
- C:\Windows\SysWOW64\OKALOF\SAX.exe
  "C:\Windows\system32\OKALOF\SAX.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:5092

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:\Windows\SysWOW64\OKALOF\AKV.exe

Filesize
536KB

MD5
b021d5d1954d5262b6f49883c504cd8b

SHA1
82377f1c748a3c65e6bc5ee292ab7fc0d302be02

SHA256
bb89a42fcb92aa04befad7108b2397012a784ba04b5b706e30eb9e9d4df919b8

SHA512
36421384207e2ed1c6ac9d40c862639ef2db1a7d2b43147ea4e115d2ec4cf141813f71074eb6e4155358051085a163160354b798328df12536f574730de5b24e

Download Submit
C:\Windows\SysWOW64\OKALOF\SAX.001

Filesize
60KB

MD5
a15c556f17d7db8287e023138942d5db

SHA1
880bf8ec944120830dc2e2e040e5996e4e0e6c83

SHA256
f3716810ab011a4cb7693d31b69cd540380ef2a067724e0d568070c8a558694e

SHA512
930339711e3d73e5af0778367a648c94411c20d23bf4c27ec5d72222e76b8902eb3fc0992d70cc4141600c19087159514246d42f1e762c98dad306f8e0bd99cd

Download Submit
C:\Windows\SysWOW64\OKALOF\SAX.002

Filesize
43KB

MD5
daabecdfba287a3333b60ae82211acd7

SHA1
e67b4c7bf0dd71ad47263a58bb60be4bce504b84

SHA256
12981c35adf6f00c7dddbc3ab23c04c30133cc5be107015dab9fd7ba4e8b4173

SHA512
937f551f959bd823292fe5983bbfb1c3a6dd86426a5da228dc7ddba38138c898599bc713d707b9d3463b20825cee0783d92c1c19019cd0328986a8aef5c1222f

Download Submit
C:\Windows\SysWOW64\OKALOF\SAX.004

Filesize
1KB

MD5
30d0e905c0a112e9ae46cd9d814b7e39

SHA1
adb6b555114709d07db4d920fe138b504240679d

SHA256
a103ead940649c7fe17f52500e33a592a4ebfc4b1cd01246799bfb06b7618809

SHA512
a11bcaf4009d7f2c7df6ca559ce881cfbb8873880e11001727f9baad2d4abcce56cb7866dab39c1ecdeb7295e6c374b2f7aa3fbb565044ecf11123255d310936

Download Submit
C:\Windows\SysWOW64\OKALOF\SAX.exe

Filesize
1.7MB

MD5
f3819a6cab8ae058254c4abb3844d87e

SHA1
0f8b1a74af87f1823ec0d76e21a8d54d55a53a8b

SHA256
3d656d1364b4b2382020f64990a2c630b7b9422ca7b7fe2c30646fda3303e6c9

SHA512
dfe9d342f3ad543fec8bd278e21ac5059b1c36ed3f735734e9b92d639cb25609f9307862ab2b35ea3e88713f4a652abe5863871225f915462c79d493ac5e1f57

Download Submit
memory/5092-16-0x0000000000B70000-0x0000000000B71000-memory.dmp

Filesize
4KB

Download
memory/5092-18-0x0000000000B70000-0x0000000000B71000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads