ardamax | b71c5c2d7d66184e781150ffc263fcc63a251ee075e2d505adde0db715f44701

General

Target

a204410af4b6c42de64ca6583db7e72c_JaffaCakes118.exe
Size

687KB
MD5

a204410af4b6c42de64ca6583db7e72c
SHA1

cf8f4a6420c74b3b1a98335af46c28ffe7cd2740
SHA256

b71c5c2d7d66184e781150ffc263fcc63a251ee075e2d505adde0db715f44701
SHA512

0e6aa536288488d74fb0d82c6123333f6c6b75367f818ffbc450c304d80e370bb0bbff6b26c9ef66dfa3d203f2d42612ebd399c3ce32ef1008ed1a1d847e6c59
SSDEEP

12288:grPULxS6RBlfXzUZlzLZggdLOEIeL1PAFdeBiw3alpiEWlyiwUa99g:gTUdS6HJYZlHmbe9DaltW/I9g

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/0x0007000000023447-24.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-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	a204410af4b6c42de64ca6583db7e72c_JaffaCakes118.exe
Key value queried	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	decryptid.exe

Executes dropped EXE 2 IoCs

pid	Process
4868	decryptid.exe
3936	WTOL.exe

Loads dropped DLL 4 IoCs

pid	Process
4868	decryptid.exe
3936	WTOL.exe
3936	WTOL.exe
3936	WTOL.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\WTOL Agent = "C:\\Windows\\SysWOW64\\28463\\WTOL.exe"	WTOL.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\28463\AKV.exe	decryptid.exe
File opened for modification	C:\Windows\SysWOW64\28463	WTOL.exe
File created	C:\Windows\SysWOW64\28463\WTOL.001	decryptid.exe
File created	C:\Windows\SysWOW64\28463\WTOL.006	decryptid.exe
File created	C:\Windows\SysWOW64\28463\WTOL.007	decryptid.exe
File created	C:\Windows\SysWOW64\28463\WTOL.exe	decryptid.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 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	a204410af4b6c42de64ca6583db7e72c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	decryptid.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WTOL.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	3936	WTOL.exe
Token: SeIncBasePriorityPrivilege	3936	WTOL.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4440	a204410af4b6c42de64ca6583db7e72c_JaffaCakes118.exe
3936	WTOL.exe
3936	WTOL.exe
3936	WTOL.exe
3936	WTOL.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4440 wrote to memory of 4868	4440	a204410af4b6c42de64ca6583db7e72c_JaffaCakes118.exe	85
PID 4440 wrote to memory of 4868	4440	a204410af4b6c42de64ca6583db7e72c_JaffaCakes118.exe	85
PID 4440 wrote to memory of 4868	4440	a204410af4b6c42de64ca6583db7e72c_JaffaCakes118.exe	85
PID 4868 wrote to memory of 3936	4868	decryptid.exe	87
PID 4868 wrote to memory of 3936	4868	decryptid.exe	87
PID 4868 wrote to memory of 3936	4868	decryptid.exe	87

C:\Users\Admin\AppData\Local\Temp\a204410af4b6c42de64ca6583db7e72c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a204410af4b6c42de64ca6583db7e72c_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4440
- C:\Users\Admin\AppData\Local\Temp\decryptid.exe
  "C:\Users\Admin\AppData\Local\Temp\decryptid.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4868
- - C:\Windows\SysWOW64\28463\WTOL.exe
    "C:\Windows\system32\28463\WTOL.exe"
    3⤵
    - 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:3936

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

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\@8E65.tmp

Filesize
4KB

MD5
25530555085337eb644b061f239aa9d4

SHA1
8d91e099aba5439d4bfa8bce464c94e3e1acf620

SHA256
3fb6b438ad1530abdd068bffb303fb8a4de51430e0e18ddb6b1a0469ffab8325

SHA512
b1f9de0c276533a5a7070aeb2b6415cc1c0bdd2baf5e0645c6ac5ba767cab0d76e5b4461800d89724992af2c863294ada3c1eb2e4516183fe2010c33d47d6a2a

Download Submit
C:\Users\Admin\AppData\Local\Temp\decryptid.exe

Filesize
640KB

MD5
f8bf4afdb365b8fd47568d558c36efb7

SHA1
89ca522e08ceb7a44803bed2f962354d357f8721

SHA256
70dc71c4f1fc8c9c30830f70c26d33cc14e3b8ec725fb4bbf685d4f688a38913

SHA512
85816bf9dbfdb96d92c76efbcef1a9f74aee09ac2a9170f94b00b00ec702f5958126cf5c7add5e7b1751f92d5bbee4da75105f5208a04503282cdd2de3d5fffd

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

Filesize
395KB

MD5
d63cc8679a63448db1c64252e14e4ab5

SHA1
10b3a9ac4bc16e8ac1cd05e50b4d540fa3ef223e

SHA256
29b3646a556879a4a48e4f2f81e09179c34ac2051ed3e4f4c28e293092470d3d

SHA512
cb1911e1a77fb9be560aa4fd8bbef65e181b6d4438d65657501dbcd8dbf488ba01738a7222f35f8d4317e8df8c6f307d9e3623d6e3e45753e138b80fb68ff768

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

Filesize
392B

MD5
baf982bc54964fc693767fe4de924531

SHA1
e32152e04f1fbaf26b5ae1d0c951d1b521538e94

SHA256
1da63d44db781ab6d41f38c0c4f86309dbe011027f272ce891dbb645de9c6abb

SHA512
ea4a6c2d27cb22daf04b42a2c6d1e4068455876fc2a8af7f63170e073c9739768c6cba2427f03aa7ec76d335a7677218875b539bca1b8131fae9d3a6aacd9539

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

Filesize
8KB

MD5
81e20f4361cf8f5a57812871c24d945e

SHA1
5d7877d6959ab26599b05795a71633f00c37a3da

SHA256
e6e8b4a29dccb3531f58c75b754caf7f26afe3e7043239305fd0ae7ab2f7571d

SHA512
69b1d75ab7123054bf98cf3a0f2cc7a0749cda8d85ebdef85be7d89f1454154ce29070907b934727a6c5276ff430e94810b87a5634d25d8529df9ee36fd20818

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

Filesize
5KB

MD5
e9fbdcc2f5fb657fa519b3f5c69fc52d

SHA1
c49cca77b46a59d620711de7564d43e5dafcd2b5

SHA256
cc440cfc4ce1a1ff503cc9e8937c59aae64bfce4daa3e7dc757220a25cadc2e4

SHA512
913759967e16b99d8ea66433e5dc99d5ddbf737be6784306e67c2b23a525b7a578fcae1028221d3209abc452ff30508eb750c62113c3868a7af36b544e525fb1

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

Filesize
473KB

MD5
97d8ad45f48b4b28a93aab94699b7168

SHA1
8b69b7fd7c008b95d12386f6da415097e72151de

SHA256
661df22a66b2062b233eb0bd9665de924cfe0ac9c6ba29e20ffef24f817f9331

SHA512
3351eac970bab391de410fcf1937da75d2e4722b808f10332f487ddfe469544e32e7d4ed0e5bdc19bd5f472cffcc55ca1498c95945b4e9c4ceff6ff5cc521c8a

Download Submit
memory/3936-35-0x0000000000A70000-0x0000000000A71000-memory.dmp

Filesize
4KB

Download
memory/3936-39-0x0000000000A70000-0x0000000000A71000-memory.dmp

Filesize
4KB

Download
memory/4440-0-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/4440-19-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads