ardamax | 1af7cf0655f318fa9b8f823b8aea476e7175f3e04d42b4e0b83547c9fddcfb54

General

Target

8057fdcf26d2fb5052897939ceb2b20f_JaffaCakes118.exe
Size

421KB
MD5

8057fdcf26d2fb5052897939ceb2b20f
SHA1

49e2b4ea794c3389aa17f0b0da7fa1f9b071f60c
SHA256

1af7cf0655f318fa9b8f823b8aea476e7175f3e04d42b4e0b83547c9fddcfb54
SHA512

cbdb376ba9d59a2de91b1c39cfc1c70418539d685dfc561e57f4acc34520d3727a9e8bbd4e12148d184274620c88885645cffd2c161c4a86817fa8baeee0f3a3
SSDEEP

6144:7G6CjhM7r1V46UfNIO3mbsxUwe1kOwjKVWfWc0d4GTNFRiRzX3:7GhM3YIO3mbsxUH1ej+Wy7itn

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-11.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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	8057fdcf26d2fb5052897939ceb2b20f_JaffaCakes118.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	HFKP.exe

Executes dropped EXE 1 IoCs

pid	Process
4360	HFKP.exe

Loads dropped DLL 5 IoCs

pid	Process
388	8057fdcf26d2fb5052897939ceb2b20f_JaffaCakes118.exe
4360	HFKP.exe
4360	HFKP.exe
4360	HFKP.exe
2248	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\HFKP Agent = "C:\\Windows\\SysWOW64\\28463\\HFKP.exe"	HFKP.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\HFKP.001	8057fdcf26d2fb5052897939ceb2b20f_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\28463\HFKP.006	8057fdcf26d2fb5052897939ceb2b20f_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\28463\HFKP.007	8057fdcf26d2fb5052897939ceb2b20f_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\28463\HFKP.exe	8057fdcf26d2fb5052897939ceb2b20f_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\28463	HFKP.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
2248	4360	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	HFKP.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8057fdcf26d2fb5052897939ceb2b20f_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: 33	4360	HFKP.exe
Token: SeIncBasePriorityPrivilege	4360	HFKP.exe
Token: SeIncBasePriorityPrivilege	4360	HFKP.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4360	HFKP.exe
4360	HFKP.exe
4360	HFKP.exe
4360	HFKP.exe
4360	HFKP.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 388 wrote to memory of 4360	388	8057fdcf26d2fb5052897939ceb2b20f_JaffaCakes118.exe	86
PID 388 wrote to memory of 4360	388	8057fdcf26d2fb5052897939ceb2b20f_JaffaCakes118.exe	86
PID 388 wrote to memory of 4360	388	8057fdcf26d2fb5052897939ceb2b20f_JaffaCakes118.exe	86
PID 4360 wrote to memory of 4908	4360	HFKP.exe	102
PID 4360 wrote to memory of 4908	4360	HFKP.exe	102
PID 4360 wrote to memory of 4908	4360	HFKP.exe	102

C:\Users\Admin\AppData\Local\Temp\8057fdcf26d2fb5052897939ceb2b20f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8057fdcf26d2fb5052897939ceb2b20f_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:388
- C:\Windows\SysWOW64\28463\HFKP.exe
  "C:\Windows\system32\28463\HFKP.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:4360
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4360 -s 744
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:2248
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del C:\Windows\SysWOW64\28463\HFKP.exe > nul
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4908

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4360 -ip 4360
1⤵
PID:2596

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\@CAE1.tmp

Filesize
4KB

MD5
c3679c3ff636d1a6b8c65323540da371

SHA1
d184758721a426467b687bec2a4acc80fe44c6f8

SHA256
d4eba51c616b439a8819218bddf9a6fa257d55c9f04cf81441cc99cc945ad3eb

SHA512
494a0a32eef4392ecb54df6e1da7d93183473c4e45f4ac4bd6ec3b0ed8c85c58303a0d36edec41420d05ff624195f08791b6b7e018419a3251b7e71ec9b730e7

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

Filesize
418B

MD5
9105876104537d3dd88ca2c4892f8037

SHA1
0e5d61e15af4653cfd50ecfa9c98c802c3c08ee8

SHA256
4050a70b7905d2cad3b6371b9245cc2060a6b7aec6fcd8f7abc3bc10411910e6

SHA512
b95c90c6a2584a9b85b94179eaeb0233480a36d22128031ea33258ae767a94b9699d8fc81b704d2962b615efc20dfca8952e2053518255069df13feeaab9a90f

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

Filesize
8KB

MD5
43f02e9974b1477c1e6388882f233db0

SHA1
f3e27b231193f8d5b2e1b09d05ae3a62795cf339

SHA256
3c9e56e51d5a7a1b9aefe853c12a98bf246039aa46db94227ea128f6331782ba

SHA512
e22d14735606fe75ee5e55204807c3f5531d3e0c4f63aa4a3b2d4bb6abda6128c7e2816753f2e64400ac6dae8f8ef1e013a7a464dff2a79ad9937c48821a067f

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

Filesize
5KB

MD5
b5a87d630436f958c6e1d82d15f98f96

SHA1
d3ff5e92198d4df0f98a918071aca53550bf1cff

SHA256
a895ad4d23e8b2c2dc552092f645ca309e62c36d4721ebfe7afd2eee7765d4b2

SHA512
fd7bae85a86bdaa12fec826d1d38728a90e2037cb3182ad7652d8a9f54c4b322734c587b62221e6f907fce24fcf2e0ae4cce1f5e3d8861661064b4da24bd87ce

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

Filesize
473KB

MD5
17535dddecf8cb1efdba1f1952126547

SHA1
a862a9a3eb6c201751be1038537522a5281ea6cb

SHA256
1a3d28ac6359e58aa656f4734f9f36b6c09badadcf9fb900b9b118d90c38a9dd

SHA512
b4f31b552ab3bb3dafa365aa7a31f58674ae7ee82ce1d23457f2e7047431430b00abb3b5498491725639daf583b526b278a737168cfdc4e9ec796dfbc14a53d8

Download Submit
memory/4360-21-0x0000000000770000-0x0000000000771000-memory.dmp

Filesize
4KB

Download
memory/4360-25-0x0000000000770000-0x0000000000771000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads