ardamax | 8d0950a059c12d751f4273dfd4dc70dea3c1e2ab0c61bf6703e366aa1b7d2541

General

Target

1fd8ad69e0cb3bc24cdc8d7be3225cce_JaffaCakes118.exe
Size

1.6MB
MD5

1fd8ad69e0cb3bc24cdc8d7be3225cce
SHA1

7638ee4bdec7a025089a2d5d84303c97cec36cf5
SHA256

8d0950a059c12d751f4273dfd4dc70dea3c1e2ab0c61bf6703e366aa1b7d2541
SHA512

e1e116f6116fd708c74a91b4e0b4e99c88066f93dc83c9a11a013b6c59f5bcb150337e7e5bdb1128cdf774966dcd9be3bd575a8803944a1015ccf2ba6ad4a42a
SSDEEP

24576:qU/pTvAL44V6zejWRIkjITTOtkurzzbU/RLNQ6yRfVSfK3M+99WvdoD8yjH+aZH:DRTvUfkIkIOtkGIQ6fiX9c0r

Score

10^/10

ardamax 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/0x0007000000023411-8.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-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	1fd8ad69e0cb3bc24cdc8d7be3225cce_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
1904	EEU.exe

Loads dropped DLL 1 IoCs

pid	Process
1904	EEU.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\EEU Start = "C:\\Windows\\SysWOW64\\REUOVK\\EEU.exe"	EEU.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\REUOVK\AKV.exe	1fd8ad69e0cb3bc24cdc8d7be3225cce_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\REUOVK\EEU.exe	1fd8ad69e0cb3bc24cdc8d7be3225cce_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\REUOVK\	EEU.exe
File created	C:\Windows\SysWOW64\REUOVK\EEU.004	1fd8ad69e0cb3bc24cdc8d7be3225cce_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\REUOVK\EEU.001	1fd8ad69e0cb3bc24cdc8d7be3225cce_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\REUOVK\EEU.002	1fd8ad69e0cb3bc24cdc8d7be3225cce_JaffaCakes118.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	1904	EEU.exe
Token: SeIncBasePriorityPrivilege	1904	EEU.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1904	EEU.exe
1904	EEU.exe
1904	EEU.exe
1904	EEU.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3092 wrote to memory of 1904	3092	1fd8ad69e0cb3bc24cdc8d7be3225cce_JaffaCakes118.exe	81
PID 3092 wrote to memory of 1904	3092	1fd8ad69e0cb3bc24cdc8d7be3225cce_JaffaCakes118.exe	81
PID 3092 wrote to memory of 1904	3092	1fd8ad69e0cb3bc24cdc8d7be3225cce_JaffaCakes118.exe	81

C:\Users\Admin\AppData\Local\Temp\1fd8ad69e0cb3bc24cdc8d7be3225cce_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1fd8ad69e0cb3bc24cdc8d7be3225cce_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:3092
- C:\Windows\SysWOW64\REUOVK\EEU.exe
  "C:\Windows\system32\REUOVK\EEU.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1904

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
465KB

MD5
4061e424a7e62d613aa16201364593c9

SHA1
84e5f41196523eddd24b62670ec8100632dbc933

SHA256
d39b682a1de3541ce4858727a3206a0fb78d1e070e4dd60fab43c2537d1adfd9

SHA512
3290348c02db1d9125d80b6e240544d51b0805240e113397d85a3fbdf3421172c8dd23e5631525db9258b7eedcdc228df3082041a017c664593eac698773f5fa

Download Submit
C:\Windows\SysWOW64\REUOVK\EEU.001

Filesize
61KB

MD5
4eb04b9187bbf3e3c33bf95e74eb6262

SHA1
ca5dcaea5ef4ba48c0bb06635c0b5abed4f0f342

SHA256
cf84d5704b350beaf1f2b46dc44bd372141d7554a8958ce22c0a84a3f21f2fe7

SHA512
aeaa608cd4f66ba817a7e8698d17f9801c9cedf99875decff39bc18cebdec3947f02566bdf21d9096e5a6a6b740717ab06d46a2a9605bf8e8fa0fee12fe17e81

Download Submit
C:\Windows\SysWOW64\REUOVK\EEU.002

Filesize
43KB

MD5
1aed6fee0870288cdb607393fc2f33a1

SHA1
584fd8d5ffbced19dd09b8b71cee9026c0ac65c6

SHA256
02c4eef7045896258d00077e123719aa256c606f4e38c417965ba5f64d48e180

SHA512
15e5b7843b07bcb4a638057b05712c66b285d70ace24ab3a4c125d24d538ace20cfac179accefa417d7790f7a095327affd3cd73d9eacaa632356f95a9fde3b8

Download Submit
C:\Windows\SysWOW64\REUOVK\EEU.004

Filesize
1KB

MD5
e987213df0afec4e7645bc43deeb0d1c

SHA1
191509a5f94429ed1e9765ab2c4b03c75f462ff5

SHA256
889673b217abd309744dd18b70f25373763b3aa40762a876423a1536c69edcef

SHA512
2c885686c71b9ca027315c94b4abd5b86e8759c43a8ac18c95244f0d5b744c5bae1612432d3ce7e144a2ffd43c1f1dc005e7a70a0a00f9ac8263199a88662c3b

Download Submit
C:\Windows\SysWOW64\REUOVK\EEU.exe

Filesize
1.5MB

MD5
865b02aa4fb68ac150953986e6f63f1c

SHA1
214190642d67f02c349e68f3f3c6ef0e9c2212d7

SHA256
fac58547e80a1b9598261b6d2aa5175653831e507c57b6860bc5d04d2e754dff

SHA512
473dc55a8a8f11d8445cef9cd8cabf8a9b227a6e47994ecfe9c86d41062641668d858e61b7ade1ad2801c5daa13d0630159b7ad241379e111c83564030c0a40e

Download Submit
memory/1904-16-0x00000000006B0000-0x00000000006B1000-memory.dmp

Filesize
4KB

Download
memory/1904-18-0x00000000006B0000-0x00000000006B1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads