ardamax | 4e4fb1af424a5c7a9fd248a2461543bcd9ec29f0561b760547b2f26cce45219e

General

Target

f79832e9cf7ae07f3ba5fa787094bb17_JaffaCakes118.exe
Size

1.5MB
MD5

f79832e9cf7ae07f3ba5fa787094bb17
SHA1

5cd69cc99bd8d24a5ddcaac6d2a54609bf356a84
SHA256

4e4fb1af424a5c7a9fd248a2461543bcd9ec29f0561b760547b2f26cce45219e
SHA512

e4322e1e7cac005f8bfb8d8c52a5ae38a0b1c6cd2a79ed2585d767ecefbc35bc82672a5fc21f68a269be95949dfe15d9c7a50e55f3905db1f0bffee7cfc7c5d5
SSDEEP

24576:JZxTRbdQTBhbi8v5ngg5r7thUICvJio7Jh4eD2uAingnKpmeCkCtHB5u/ljiYVyf:JXTRhaPbPFthHCf7j4KAingnKkPkCT54

Score

10^/10

ardamax 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
behavioral1/files/0x0009000000016dd7-6.dat	family_ardamax

Executes dropped EXE 1 IoCs

pid	Process
2368	EWA.exe

Loads dropped DLL 2 IoCs

pid	Process
2528	f79832e9cf7ae07f3ba5fa787094bb17_JaffaCakes118.exe
2368	EWA.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\EWA Start = "C:\\Windows\\SysWOW64\\RURXUM\\EWA.exe"	EWA.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\RURXUM\EWA.exe	f79832e9cf7ae07f3ba5fa787094bb17_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\RURXUM\	EWA.exe
File created	C:\Windows\SysWOW64\RURXUM\EWA.004	f79832e9cf7ae07f3ba5fa787094bb17_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\RURXUM\EWA.001	f79832e9cf7ae07f3ba5fa787094bb17_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\RURXUM\EWA.002	f79832e9cf7ae07f3ba5fa787094bb17_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\RURXUM\AKV.exe	f79832e9cf7ae07f3ba5fa787094bb17_JaffaCakes118.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 2 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	f79832e9cf7ae07f3ba5fa787094bb17_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EWA.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	2368	EWA.exe
Token: SeIncBasePriorityPrivilege	2368	EWA.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2368	EWA.exe
2368	EWA.exe
2368	EWA.exe
2368	EWA.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2528 wrote to memory of 2368	2528	f79832e9cf7ae07f3ba5fa787094bb17_JaffaCakes118.exe	30
PID 2528 wrote to memory of 2368	2528	f79832e9cf7ae07f3ba5fa787094bb17_JaffaCakes118.exe	30
PID 2528 wrote to memory of 2368	2528	f79832e9cf7ae07f3ba5fa787094bb17_JaffaCakes118.exe	30
PID 2528 wrote to memory of 2368	2528	f79832e9cf7ae07f3ba5fa787094bb17_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\f79832e9cf7ae07f3ba5fa787094bb17_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f79832e9cf7ae07f3ba5fa787094bb17_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2528
- C:\Windows\SysWOW64\RURXUM\EWA.exe
  "C:\Windows\system32\RURXUM\EWA.exe"
  2⤵
  - 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
  PID:2368

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

1

T1012

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
456KB

MD5
1f29b1075a91b3da0ccc0b9c49eece56

SHA1
048e675f087181035aedece9e7b11d065c6355cc

SHA256
4f6825548b32329c3360ed9abb7c0a6809a2c2291cf0bcaac511a9fa32a6336e

SHA512
7e152caf055f57f599ecc1e3a404b540b721b3315d2ba16bff6eb21f03edeb3a06ae185621e3139293612d94210f500f098bd281489ca7f336efd8b5284ee060

Download Submit
C:\Windows\SysWOW64\RURXUM\EWA.002

Filesize
43KB

MD5
093e599a1281e943ce1592f61d9591af

SHA1
6896810fe9b7efe4f5ae68bf280fec637e97adf5

SHA256
1ac0964d97b02204f4d4ae79cd5244342f1a1798f5846e9dd7f3448d4177a009

SHA512
64cb58fbf6295d15d9ee6a8a7a325e7673af7ee02e4ece8da5a95257f666566a425b348b802b78ac82e7868ba7923f85255c2c31e548618afa9706c1f88d34dc

Download Submit
C:\Windows\SysWOW64\RURXUM\EWA.004

Filesize
1KB

MD5
07d90efcf152811ef55277e95a97fcd3

SHA1
2bd20c4a470886892dfd793a74619f8161665cab

SHA256
565192fe7cca438cf7e4d2fa7d6924ee972d57185625fca6eb8475851ddaf9ba

SHA512
0be50863c43526aa7086133ec26ec18a219d9fe293de9bbfe9d70b8f3e7ca99324ca224d58061096e37ee6960ccaf64367a784825b3b38b08b251a00cfd7a810

Download Submit
\Windows\SysWOW64\RURXUM\EWA.001

Filesize
61KB

MD5
31c866d8e4448c28ae63660a0521cd92

SHA1
0e4dcb44e3c8589688b8eacdd8cc463a920baab9

SHA256
dc0eaf9d62f0e40b6522d28b2e06b39ff619f9086ea7aa45fd40396a8eb61aa1

SHA512
1076da7f8137a90b5d3bbbbe2b24fd9774de6adbcdfd41fd55ae90c70b9eb4bbf441732689ad25e5b3048987bfb1d63ba59d5831a04c6d84cb05bbfd2d32f839

Download Submit
\Windows\SysWOW64\RURXUM\EWA.exe

Filesize
1.5MB

MD5
0aaffc12ef1b416b9276bdc3fdec9dff

SHA1
9f38d7cf6241d867da58f89db9ff26544314b938

SHA256
42b33dd905c5668c2518a6a7d407fb10c303cfedeaefcd7b6e4c7cc1b891c73b

SHA512
bbde0986b298c6172e7c8e3f938db9425f54cca097e280736e1ba289afd06a0b86f7cbc91f6d46458bc8e75069c12cda1cf808acf3b6c773b0661d081136ee7c

Download Submit
memory/2368-15-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2368-17-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads