ardamax | d707e5b5011fd148358444ecf78ff81e18c65a9f0c5e39b6745584114f1b5e12

General

Target

e6239d7819ca56868325936d69faa1df_JaffaCakes118.exe
Size

496KB
MD5

e6239d7819ca56868325936d69faa1df
SHA1

ccf0e76b374d2025063975bd8ebeb3f413a9a161
SHA256

d707e5b5011fd148358444ecf78ff81e18c65a9f0c5e39b6745584114f1b5e12
SHA512

98330e9d3e0e568fcafa8603d26cf62612390e0d1ec7dd87b43cf55303f441f13ffe069ce010c1a572dc254892eccb6c3e716ad7390d5cb1f73cd0d43b7a5a62
SSDEEP

12288:6dQuk/g6xgAwekfGMVbnEMUZO5OQHDZEaBC:zuk/g6xgAzExVbneZOUsBC

Score

10^/10

ardamax defense_evasion 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/0x0007000000023487-12.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-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation	e6239d7819ca56868325936d69faa1df_JaffaCakes118.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation	YGXJ.exe

Executes dropped EXE 1 IoCs

pid	Process
2924	YGXJ.exe

Loads dropped DLL 5 IoCs

pid	Process
3724	e6239d7819ca56868325936d69faa1df_JaffaCakes118.exe
2924	YGXJ.exe
2924	YGXJ.exe
2924	YGXJ.exe
4152	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\YGXJ Agent = "C:\\Windows\\SysWOW64\\28463\\YGXJ.exe"	YGXJ.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\28463\YGXJ.001	e6239d7819ca56868325936d69faa1df_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\28463\YGXJ.006	e6239d7819ca56868325936d69faa1df_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\28463\YGXJ.007	e6239d7819ca56868325936d69faa1df_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\28463\YGXJ.exe	e6239d7819ca56868325936d69faa1df_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\28463\AKV.exe	e6239d7819ca56868325936d69faa1df_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\28463	YGXJ.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
4152	2924	WerFault.exe	88

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	YGXJ.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e6239d7819ca56868325936d69faa1df_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: 33	2924	YGXJ.exe
Token: SeIncBasePriorityPrivilege	2924	YGXJ.exe
Token: SeIncBasePriorityPrivilege	2924	YGXJ.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2924	YGXJ.exe
2924	YGXJ.exe
2924	YGXJ.exe
2924	YGXJ.exe
2924	YGXJ.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3724 wrote to memory of 2924	3724	e6239d7819ca56868325936d69faa1df_JaffaCakes118.exe	88
PID 3724 wrote to memory of 2924	3724	e6239d7819ca56868325936d69faa1df_JaffaCakes118.exe	88
PID 3724 wrote to memory of 2924	3724	e6239d7819ca56868325936d69faa1df_JaffaCakes118.exe	88
PID 2924 wrote to memory of 3140	2924	YGXJ.exe	96
PID 2924 wrote to memory of 3140	2924	YGXJ.exe	96
PID 2924 wrote to memory of 3140	2924	YGXJ.exe	96

C:\Users\Admin\AppData\Local\Temp\e6239d7819ca56868325936d69faa1df_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e6239d7819ca56868325936d69faa1df_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:3724
- C:\Windows\SysWOW64\28463\YGXJ.exe
  "C:\Windows\system32\28463\YGXJ.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:2924
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2924 -s 880
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:4152
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del C:\Windows\SysWOW64\28463\YGXJ.exe > nul
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3140

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2924 -ip 2924
1⤵
PID:1108

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\@C36F.tmp

Filesize
4KB

MD5
ac2120f3b2fb824a5c1f3752dc944d21

SHA1
8bfbf3887103e886736e0802f88ed860a450856e

SHA256
fd9c203a32eec0afe4ab1e3ae02c68ac27649120bb3f0af68852ba487384ecaf

SHA512
474d77a27e3553aa58b394e77317a770f700f59580820741269e6c4746e664ce483a33a51baecd45ef4ac1a13e451a2c47d95c9abb79c7bc5cf902646f78c90f

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

Filesize
407KB

MD5
33dc7c00c1d64022dcea78d2147a90a5

SHA1
21b50a05d4bbfe74c1df846d9268dc953f8050a3

SHA256
e6164ff194fb651a44db5a78d680bc19efe242f3f8e95f5aedbe1cc7f00ef4ef

SHA512
3f5e3db56d056d49b094b33ddcdae8c528ec19851daa9576f00cb347f628b82bbe045fee51d92cf5507822188e5bce17b745cbc6bad155fae16b73eb191bb98f

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

Filesize
464B

MD5
3203cd3efb5c782db45203c6be4e2b76

SHA1
f75bfc7202e60a681f24d44f11f07bf0a118f978

SHA256
093ada41f676b931fa5498b010ace4b4d5492a1b260596f532e791518c95879f

SHA512
17fe6fcb9086567b02e2212af309b7dbecf49631652664761988bc57a0515375aebba3175d08bc109550fd0e3c53c1ebdadae1f1b69b580447c38439881d2d1d

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

Filesize
8KB

MD5
8499922ab422c17e550a724083be50c7

SHA1
914aa24da69f9882d12d7d7cceae38de4dbcad1c

SHA256
894ff0262900acdc5b0266f75b2db829d3dec9a059f28888d5c0997d5b76db8a

SHA512
9d2e7619c7e8e459449a7f70d581ae52a1d33ba1c90b2a14812c2a44474451dc06e78a8e410aae5e7caf9306bbe739b1eeca1a1bc167498a982d9f1320dbbd1b

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

Filesize
5KB

MD5
b128c2f3eafaff6725ed554a2a21b72f

SHA1
377c206483b5348eb4b657363d29cae830be0b8c

SHA256
b9939a330a7cf6d9947a2b3ffb52170a35d5927e401016e7694fdd24ba1aa4ef

SHA512
3de5ec44becf7520d7ae32764b4636a1d727ab92d192fd92d725d6d308067e331f88e62f3cd9a4a334eb1d9e2ea44bf30f14ebd4e4f2877cdbd6b7bf0ed771c8

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

Filesize
513KB

MD5
0c7a714b8e1d2ead2afc90dcc43bbe18

SHA1
66736613f22771f5da5606ed8c80b572b3f5c103

SHA256
800bdf00e09f302a17e22d26dffbea037e3c077ef9f6d1d585c114f079397a9e

SHA512
35db0de86c168eb6302dcbaa1e1f9ec96b5a8814e7067e1a7bb682e9f35fc06c51148a08e6f7df1e8caeb2effde555c53966a8922e8fef6b7ce194dc81c984b4

Download Submit
memory/2924-23-0x0000000000660000-0x0000000000661000-memory.dmp

Filesize
4KB

Download
memory/2924-27-0x0000000000660000-0x0000000000661000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads