ardamax | 8637fb88ce464843f0f58e061351b0ada5e13f5ec9002d21074bd5fe390adf18

General

Target

8637fb88ce464843f0f58e061351b0ada5e13f5ec9002d21074bd5fe390adf18N.exe
Size

479KB
MD5

905370da155f401544bf14f95fb6fa90
SHA1

b64c56ec92b44c34cbb802e7939c61d2812d7b85
SHA256

8637fb88ce464843f0f58e061351b0ada5e13f5ec9002d21074bd5fe390adf18
SHA512

32f66818a74f5c2df936aab9098b880a720d4995d64a05a5c4a3d2bec1d48a5697dcbe92c808c0714bf62fa37fc19f835c50deeeecb28e4b3878093e8d7f4b1a
SSDEEP

12288:/1fzpgKtQ0/vLJpHb2r0qSlCCpl2WhuTqdX9lI:JzpguFrHyhSM6dhuqI

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/0x0007000000015da7-11.dat	family_ardamax

Executes dropped EXE 1 IoCs

pid	Process
2840	system32WWKO.exe

Loads dropped DLL 1 IoCs

pid	Process
2896	8637fb88ce464843f0f58e061351b0ada5e13f5ec9002d21074bd5fe390adf18N.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\system32WWKO Agent = "C:\\Windows\\system32WWKO.exe"	system32WWKO.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 Windows directory 5 IoCs

description	ioc	Process
File created	C:\Windows\system32WWKO.006	8637fb88ce464843f0f58e061351b0ada5e13f5ec9002d21074bd5fe390adf18N.exe
File created	C:\Windows\system32WWKO.007	8637fb88ce464843f0f58e061351b0ada5e13f5ec9002d21074bd5fe390adf18N.exe
File created	C:\Windows\system32WWKO.exe	8637fb88ce464843f0f58e061351b0ada5e13f5ec9002d21074bd5fe390adf18N.exe
File created	C:\Windows\system32AKV.exe	8637fb88ce464843f0f58e061351b0ada5e13f5ec9002d21074bd5fe390adf18N.exe
File created	C:\Windows\system32WWKO.001	8637fb88ce464843f0f58e061351b0ada5e13f5ec9002d21074bd5fe390adf18N.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	system32WWKO.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8637fb88ce464843f0f58e061351b0ada5e13f5ec9002d21074bd5fe390adf18N.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	2840	system32WWKO.exe
Token: SeIncBasePriorityPrivilege	2840	system32WWKO.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2840	system32WWKO.exe
2840	system32WWKO.exe
2840	system32WWKO.exe
2840	system32WWKO.exe
2840	system32WWKO.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2896 wrote to memory of 2840	2896	8637fb88ce464843f0f58e061351b0ada5e13f5ec9002d21074bd5fe390adf18N.exe	28
PID 2896 wrote to memory of 2840	2896	8637fb88ce464843f0f58e061351b0ada5e13f5ec9002d21074bd5fe390adf18N.exe	28
PID 2896 wrote to memory of 2840	2896	8637fb88ce464843f0f58e061351b0ada5e13f5ec9002d21074bd5fe390adf18N.exe	28
PID 2896 wrote to memory of 2840	2896	8637fb88ce464843f0f58e061351b0ada5e13f5ec9002d21074bd5fe390adf18N.exe	28

C:\Users\Admin\AppData\Local\Temp\8637fb88ce464843f0f58e061351b0ada5e13f5ec9002d21074bd5fe390adf18N.exe
"C:\Users\Admin\AppData\Local\Temp\8637fb88ce464843f0f58e061351b0ada5e13f5ec9002d21074bd5fe390adf18N.exe"
1⤵
- Loads dropped DLL
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2896
- C:\Windows\system32WWKO.exe
  "C:\Windows\system32WWKO.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2840

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

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Downloads

C:\Windows\system32WWKO.001

Filesize
458B

MD5
f57607418680b3433ae9b65892b9164f

SHA1
4d0a5455f96d1fa0a1dd1f64322a83d2f759cb34

SHA256
b9fa0c5a350416a19bdb7b9e2a5e9668631bcebee683ce527af6e2103399cadf

SHA512
eb2e6ff62e623fcc891a7b0e19efa5163b60a0e6f147f8a8282ce9cb19b936215fdba16faa5aae5874166c65db9aa593946a5a738f6a6673d7c34545229060f6

Download Submit
C:\Windows\system32WWKO.006

Filesize
7KB

MD5
840a1ae793d07aed4585781697178bc1

SHA1
5d42f9763e32c1dced9cdd14144926c43044d6ad

SHA256
af73b0a6c98eec78e121cb1fed4ee4b5df052833242179cdeec04c75b6df2cfc

SHA512
078ddc10ebccd4c108e52555ae7aeb644aadfc006dbc2aa1aad319b6e9bd35b779fee9e3d063c22f48a7e082e1a01e1f70ab11f8c26827750b13a1c8cb636689

Download Submit
C:\Windows\system32WWKO.007

Filesize
5KB

MD5
530d177fa3d66ca092ecbdb4eb02a0d9

SHA1
868a3c3fa51df0fe5ffbba3aeeca20aa23da0fc4

SHA256
037e9a3e82e1a8902d8220c82650e52f549d6acc490ff30481a497130b7208f2

SHA512
44d84513aaab0eb5f2c0c9be64cc78beb8caf0ddf6039fe726d39834d19d4c1084cec1611b565529920d4edf4d432dba6e67a01d94a845b7fd083dd284545002

Download Submit
C:\Windows\system32WWKO.exe

Filesize
471KB

MD5
040be8249f1b7b90730867c398e40568

SHA1
d6908d242bed9d7d04dcf98c7e46571121f0b7f1

SHA256
84ce204e2d8ef6cc519fbabf8356999de06af6250ca4a170ecfb776952d855ca

SHA512
3c63436c6412f127a2ca64891af185678cde71846c52331ae4dda03b1313392ba3655699305d6ce05723d50aec0e4d227616536592bb5a23449e1eaddba94516

Download Submit
\Users\Admin\AppData\Local\Temp\@9F5B.tmp

Filesize
4KB

MD5
08c0e7cb9f56d7a8f6acfd2268ea7142

SHA1
e885ffa0db9b4dd38e547135eb5446cc89fe6865

SHA256
fe9304a2f41e446e3672a26b338cde680d34fd07b0c5a6866ef108366ed92eb9

SHA512
6325410c99d703b3181c4eb4d9cbcdf1d8e08cc57a8ef7c8334e5be02b2499997829a3d6fd708dd83541efd1712330c5163daffe68a09aa2863cc76d5cbdccf9

Download Submit
memory/2840-18-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/2840-21-0x0000000010000000-0x0000000010006000-memory.dmp

Filesize
24KB

Download
memory/2840-23-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/2840-22-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads