ardamax | 9fb314e4b4e7155a82556cf5102be301d750de3c0615ebe6c4958bc75e2f8f81

General

Target

JaffaCakes118_77b92172dabe93765f41f8c87ce3b22a.exe
Size

1.1MB
MD5

77b92172dabe93765f41f8c87ce3b22a
SHA1

29414bc4808101da5c994572494b0b863dfcc0fc
SHA256

9fb314e4b4e7155a82556cf5102be301d750de3c0615ebe6c4958bc75e2f8f81
SHA512

3061211165f6811498184d8b139fd31af166f62c01caff700058f5370172ad67564339517ca191786cc5b30d6e7622bd0672605b793b13aa6b035b5e49f52ce2
SSDEEP

24576:gHvZTut444No7By3eK1SuNB4F8wIUp49vZ1JQnjVB4u4QWzK:oBTH4/7fK1g89v4jVZ4Dz

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
behavioral2/files/0x00070000000240fb-8.dat	family_ardamax

Checks computer location settings 2 TTPs 2 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-1-5-21-805952410-2104024357-1716932545-1000\Control Panel\International\Geo\Nation	KXU.exe
Key value queried	\REGISTRY\USER\S-1-5-21-805952410-2104024357-1716932545-1000\Control Panel\International\Geo\Nation	JaffaCakes118_77b92172dabe93765f41f8c87ce3b22a.exe

Executes dropped EXE 1 IoCs

pid	Process
404	KXU.exe

Loads dropped DLL 1 IoCs

pid	Process
404	KXU.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\KXU Start = "C:\\Windows\\SysWOW64\\YPJOWE\\KXU.exe"	KXU.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\YPJOWE\AKV.exe	JaffaCakes118_77b92172dabe93765f41f8c87ce3b22a.exe
File created	C:\Windows\SysWOW64\YPJOWE\KXU.exe	JaffaCakes118_77b92172dabe93765f41f8c87ce3b22a.exe
File opened for modification	C:\Windows\SysWOW64\YPJOWE\	KXU.exe
File created	C:\Windows\SysWOW64\YPJOWE\KXU.004	JaffaCakes118_77b92172dabe93765f41f8c87ce3b22a.exe
File created	C:\Windows\SysWOW64\YPJOWE\KXU.001	JaffaCakes118_77b92172dabe93765f41f8c87ce3b22a.exe
File created	C:\Windows\SysWOW64\YPJOWE\KXU.002	JaffaCakes118_77b92172dabe93765f41f8c87ce3b22a.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_77b92172dabe93765f41f8c87ce3b22a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	KXU.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: 33	404	KXU.exe
Token: SeIncBasePriorityPrivilege	404	KXU.exe
Token: SeIncBasePriorityPrivilege	404	KXU.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
404	KXU.exe
404	KXU.exe
404	KXU.exe
404	KXU.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3896 wrote to memory of 404	3896	JaffaCakes118_77b92172dabe93765f41f8c87ce3b22a.exe	88
PID 3896 wrote to memory of 404	3896	JaffaCakes118_77b92172dabe93765f41f8c87ce3b22a.exe	88
PID 3896 wrote to memory of 404	3896	JaffaCakes118_77b92172dabe93765f41f8c87ce3b22a.exe	88
PID 404 wrote to memory of 2400	404	KXU.exe	92
PID 404 wrote to memory of 2400	404	KXU.exe	92
PID 404 wrote to memory of 2400	404	KXU.exe	92

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_77b92172dabe93765f41f8c87ce3b22a.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_77b92172dabe93765f41f8c87ce3b22a.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3896
- C:\Windows\SysWOW64\YPJOWE\KXU.exe
  "C:\Windows\system32\YPJOWE\KXU.exe"
  2⤵
  - Checks computer location settings
  - 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:404
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del C:\Windows\SysWOW64\YPJOWE\KXU.exe > nul
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2400

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

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

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Downloads

C:\Windows\SysWOW64\YPJOWE\AKV.exe

Filesize
459KB

MD5
f6135f1f5ade7c3d98846fa547ec9ba7

SHA1
20decec41ddffba52e3e1723b9470e3e07f842f3

SHA256
32fd7962c319d55f6393eea1d8776ee7093c702ab020adee140c660ffe031c97

SHA512
89ff4488ebf92f03e21581c198a6d8ba505d24fd84b80861cd56f4fa5537d42207a381b9a9f82fae8ba55a48798a497d90d8c77b5657073faa6843671f895213

Download Submit
C:\Windows\SysWOW64\YPJOWE\KXU.001

Filesize
61KB

MD5
ae4f3b79ee0f6d870b899b9bd581823a

SHA1
b265f7280d80426f3388e7a72b5aa24ce70bdb18

SHA256
cd4f22eaa8324ed0d312a6eada7326c468222b3f6c13d31d001731c9fb5c1350

SHA512
55c71d7544c9d4cfd00edbc4b509d1c798d6d8d7f5943d389bfd47535d72f131191b479e3853ababc0a21589d7807e051ebe011f788dbaf9ccae2109c885be35

Download Submit
C:\Windows\SysWOW64\YPJOWE\KXU.002

Filesize
43KB

MD5
76b87d21121078dfba09e62fd15e447b

SHA1
3907c708c6fdf441ed18f5985a278d38d2052fae

SHA256
86cf96ce72cf3261cad31e7089702f1a449c07f6a00c470c86cfc895da48a903

SHA512
40637e5eb23871273b294d0af58217ce48f1507b004a4db9f644bd778d18d61c216cbdc0eaaf28b6e6e80461a9441cfa8a5c507f711750a9d29bf37be44ac5b1

Download Submit
C:\Windows\SysWOW64\YPJOWE\KXU.004

Filesize
1KB

MD5
a9acb130ff21f2e2fdb4e8d273221176

SHA1
54a63edb73ff814cc1b0d929a2a683947efe4aa2

SHA256
ab803a7e0ebabfaa985ecd70277f5a2525f538a8584fbaa7348ecb07ed3ef39a

SHA512
ed7ceb205373e91c1cf4041c82136b0ac2a94a0ea996c258ace36809f7487d2404168d22503db511e3e82943d59c7622a35de45c52b314475df271fc883abd77

Download Submit
C:\Windows\SysWOW64\YPJOWE\KXU.exe

Filesize
1.5MB

MD5
f378a6c579cbb851d72c6b2db3f58b7c

SHA1
ccc48fb1fb5da39184f9609a7b0bbf8e51877861

SHA256
30dca50b8f1c8d9cecb2630eaa652b8fc5d2be63431cc4e070fdec97dde2810e

SHA512
978a4954f993133408338ce7af6aab60775688f1fad16a60e4c332edef13a9b3d587fd0884fd609d5d30dfefa308385d2349615c90f89152877db9bfc631f456

Download Submit
memory/404-16-0x0000000000720000-0x0000000000721000-memory.dmp

Filesize
4KB

Download
memory/404-18-0x0000000000720000-0x0000000000721000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads