ardamax | c4a971dd295fe3200698e731e2913e0a0b401fd0725a82278cf6886551929ded

General

Target

e1dc035a17382c5c1aa6d56811f7ce84_JaffaCakes118.exe
Size

311KB
MD5

e1dc035a17382c5c1aa6d56811f7ce84
SHA1

74a335583c5fe4bbfe5f9d9e7065a7634dbbf9ba
SHA256

c4a971dd295fe3200698e731e2913e0a0b401fd0725a82278cf6886551929ded
SHA512

381084d857aa7e2a64d015a94292e9219c4db29776e9636ef2af98f7a4981edc3a5b43d1015514a2f93a293ff615c7183cc45c0f03b95ff5a02e3755e466083c
SSDEEP

6144:pdG6uYDj53oFnbY18Wa2/GDq9uaEWrWBX9sYjHl2l48Qb5:pdFfr1p//GDk1WBX9sYjHYQt

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/0x0007000000023ccc-12.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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	e1dc035a17382c5c1aa6d56811f7ce84_JaffaCakes118.exe
Key value queried	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	DNKO.exe

Executes dropped EXE 1 IoCs

pid	Process
4072	DNKO.exe

Loads dropped DLL 5 IoCs

pid	Process
4744	e1dc035a17382c5c1aa6d56811f7ce84_JaffaCakes118.exe
4072	DNKO.exe
4072	DNKO.exe
4072	DNKO.exe
876	WerFault.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\DNKO Agent = "C:\\Windows\\SysWOW64\\28463\\DNKO.exe"	DNKO.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 5 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\28463\DNKO.exe	e1dc035a17382c5c1aa6d56811f7ce84_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\28463	DNKO.exe
File created	C:\Windows\SysWOW64\28463\DNKO.001	e1dc035a17382c5c1aa6d56811f7ce84_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\28463\DNKO.006	e1dc035a17382c5c1aa6d56811f7ce84_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\28463\DNKO.007	e1dc035a17382c5c1aa6d56811f7ce84_JaffaCakes118.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
876	4072	WerFault.exe	86

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	DNKO.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e1dc035a17382c5c1aa6d56811f7ce84_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: 33	4072	DNKO.exe
Token: SeIncBasePriorityPrivilege	4072	DNKO.exe
Token: SeIncBasePriorityPrivilege	4072	DNKO.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4072	DNKO.exe
4072	DNKO.exe
4072	DNKO.exe
4072	DNKO.exe
4072	DNKO.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4744 wrote to memory of 4072	4744	e1dc035a17382c5c1aa6d56811f7ce84_JaffaCakes118.exe	86
PID 4744 wrote to memory of 4072	4744	e1dc035a17382c5c1aa6d56811f7ce84_JaffaCakes118.exe	86
PID 4744 wrote to memory of 4072	4744	e1dc035a17382c5c1aa6d56811f7ce84_JaffaCakes118.exe	86
PID 4072 wrote to memory of 3580	4072	DNKO.exe	104
PID 4072 wrote to memory of 3580	4072	DNKO.exe	104
PID 4072 wrote to memory of 3580	4072	DNKO.exe	104

C:\Users\Admin\AppData\Local\Temp\e1dc035a17382c5c1aa6d56811f7ce84_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e1dc035a17382c5c1aa6d56811f7ce84_JaffaCakes118.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:4744
- C:\Windows\SysWOW64\28463\DNKO.exe
  "C:\Windows\system32\28463\DNKO.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:4072
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4072 -s 1112
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:876
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del C:\Windows\SysWOW64\28463\DNKO.exe > nul
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3580

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4072 -ip 4072
1⤵
PID:3596

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:\Users\Admin\AppData\Local\Temp\@BB9F.tmp

Filesize
4KB

MD5
ac2120f3b2fb824a5c1f3752dc944d21

SHA1
8bfbf3887103e886736e0802f88ed860a450856e

SHA256
fd9c203a32eec0afe4ab1e3ae02c68ac27649120bb3f0af68852ba487384ecaf

SHA512
474d77a27e3553aa58b394e77317a770f700f59580820741269e6c4746e664ce483a33a51baecd45ef4ac1a13e451a2c47d95c9abb79c7bc5cf902646f78c90f

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

Filesize
422B

MD5
61abdda526879d9b7b254707d250bba0

SHA1
04d80bbce0354d921016b89ab9bce18b568b3a70

SHA256
e4ad1b464bd37d6e8162a3202029f593644b2845dfff5e488ec3fa8777fc7451

SHA512
7d21f75cd1705ad3a07a2955542a2d6a76700c6d0012c041423fab38d4fbdf1c64abb60d21af8c59f755d03d93889ac06541262522dc30e943e370a59237ee6e

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

Filesize
8KB

MD5
8499922ab422c17e550a724083be50c7

SHA1
914aa24da69f9882d12d7d7cceae38de4dbcad1c

SHA256
894ff0262900acdc5b0266f75b2db829d3dec9a059f28888d5c0997d5b76db8a

SHA512
9d2e7619c7e8e459449a7f70d581ae52a1d33ba1c90b2a14812c2a44474451dc06e78a8e410aae5e7caf9306bbe739b1eeca1a1bc167498a982d9f1320dbbd1b

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

Filesize
5KB

MD5
b128c2f3eafaff6725ed554a2a21b72f

SHA1
377c206483b5348eb4b657363d29cae830be0b8c

SHA256
b9939a330a7cf6d9947a2b3ffb52170a35d5927e401016e7694fdd24ba1aa4ef

SHA512
3de5ec44becf7520d7ae32764b4636a1d727ab92d192fd92d725d6d308067e331f88e62f3cd9a4a334eb1d9e2ea44bf30f14ebd4e4f2877cdbd6b7bf0ed771c8

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

Filesize
513KB

MD5
0c7a714b8e1d2ead2afc90dcc43bbe18

SHA1
66736613f22771f5da5606ed8c80b572b3f5c103

SHA256
800bdf00e09f302a17e22d26dffbea037e3c077ef9f6d1d585c114f079397a9e

SHA512
35db0de86c168eb6302dcbaa1e1f9ec96b5a8814e7067e1a7bb682e9f35fc06c51148a08e6f7df1e8caeb2effde555c53966a8922e8fef6b7ce194dc81c984b4

Download Submit
memory/4072-21-0x0000000000AF0000-0x0000000000AF1000-memory.dmp

Filesize
4KB

Download
memory/4072-25-0x0000000000AF0000-0x0000000000AF1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads