ardamax | 195dc3e43e31cb38253d788b47fe5e4551f07fe90fda81c6aa9ad0b0a80fe7d6

General

Target

JaffaCakes118_e114df75eb17b64345387c73e6116681.exe
Size

1.2MB
MD5

e114df75eb17b64345387c73e6116681
SHA1

6aa249e0079b8e51d2571b60dc40d3e87dde0b14
SHA256

195dc3e43e31cb38253d788b47fe5e4551f07fe90fda81c6aa9ad0b0a80fe7d6
SHA512

972e4a053f4745f0587a734809f9ff72ee2e742fe616e013b9da1197357d1317274afc201af8bfddd9d363ca6003f5964c62a8a05ca87c1e8ffa5d92784d6e7b
SSDEEP

24576:vITTD4J+e+yzzShDWxQCjTtw0b8HIAh5lyqLBkmXXUVXo8Qi15tzFo:v6TDO+hUzyDWxQCjdYo2BOGXi

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
behavioral2/files/0x000a000000023b9a-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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	JaffaCakes118_e114df75eb17b64345387c73e6116681.exe

Executes dropped EXE 1 IoCs

pid	Process
2608	HUF.exe

Loads dropped DLL 2 IoCs

pid	Process
2608	HUF.exe
3160	JaffaCakes118_e114df75eb17b64345387c73e6116681.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\HUF Start = "C:\\Windows\\SysWOW64\\UYNGQO\\HUF.exe"	HUF.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 8 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\UYNGQO\HUF.002	JaffaCakes118_e114df75eb17b64345387c73e6116681.exe
File created	C:\Windows\SysWOW64\UYNGQO\AKV.exe	JaffaCakes118_e114df75eb17b64345387c73e6116681.exe
File created	C:\Windows\SysWOW64\UYNGQO\HUF.exe	JaffaCakes118_e114df75eb17b64345387c73e6116681.exe
File opened for modification	C:\Windows\SysWOW64\UYNGQO\	HUF.exe
File created	C:\Windows\SysWOW64\UYNGQO\HUF.008	HUF.exe
File opened for modification	C:\Windows\SysWOW64\UYNGQO\HUF.008	HUF.exe
File created	C:\Windows\SysWOW64\UYNGQO\HUF.004	JaffaCakes118_e114df75eb17b64345387c73e6116681.exe
File created	C:\Windows\SysWOW64\UYNGQO\HUF.001	JaffaCakes118_e114df75eb17b64345387c73e6116681.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	JaffaCakes118_e114df75eb17b64345387c73e6116681.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	HUF.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000_Classes\Local Settings	JaffaCakes118_e114df75eb17b64345387c73e6116681.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000_Classes\Local Settings	OpenWith.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2608	HUF.exe
2608	HUF.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	2608	HUF.exe
Token: SeIncBasePriorityPrivilege	2608	HUF.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2608	HUF.exe
2608	HUF.exe
2608	HUF.exe
2608	HUF.exe
3484	OpenWith.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3160 wrote to memory of 2608	3160	JaffaCakes118_e114df75eb17b64345387c73e6116681.exe	82
PID 3160 wrote to memory of 2608	3160	JaffaCakes118_e114df75eb17b64345387c73e6116681.exe	82
PID 3160 wrote to memory of 2608	3160	JaffaCakes118_e114df75eb17b64345387c73e6116681.exe	82

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e114df75eb17b64345387c73e6116681.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e114df75eb17b64345387c73e6116681.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3160
- C:\Windows\SysWOW64\UYNGQO\HUF.exe
  "C:\Windows\system32\UYNGQO\HUF.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 behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2608

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:3484

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:\Windows\SysWOW64\UYNGQO\AKV.exe

Filesize
490KB

MD5
64a6cc55dc76d26448c30a8a1885f7cb

SHA1
149e467026647e080b4c69ab4f99b2d3c2b4dbe4

SHA256
5cbc0ec73c901be4ac182e13f6869f6f8cf0831b9603e542a3919f6a06087640

SHA512
de8cd7bea8113871ce8a36966fbaefd02b8ef7b09a8cbb631b4ac353bdf65b27d5630146ed700fd6edbc4276f4368ebad76b772d9b84349ddc2bd6f7127c377d

Download Submit
C:\Windows\SysWOW64\UYNGQO\HUF.001

Filesize
61KB

MD5
bf311791d2f9ea9c82a8d4764a98c0d8

SHA1
405ba2bd110590abd0bf340d12e054405afb011f

SHA256
d720cf3d297743da7ab1da528f4c086a29d59ef553e1a96569b49a59831d583b

SHA512
8be092f068807767b0065de10f9da386b90d8e587356881ba3391380b953b199e818b527e74b305d7c714fc94cb6f8e66c76d89d1785fa9910aa4cb39c5cada8

Download Submit
C:\Windows\SysWOW64\UYNGQO\HUF.002

Filesize
44KB

MD5
ce365878123962c3438e349621c10198

SHA1
5b861d9fc2923c61ef390a0b729a21078aa5fd59

SHA256
ba254f6675490a045d4c85a5f46681c175c1321692c20fc808c7c244173dd63f

SHA512
efc6f143d5e9244a6635562d7e9a9cea22ab7e7b304e933642a51d66da896e9038208b86c12f6da623a01b9175e73eeb40ab600e6625db3595144bfca1231a76

Download Submit
C:\Windows\SysWOW64\UYNGQO\HUF.004

Filesize
1KB

MD5
87f577e263f5bd0add98bec1fd3e8cf6

SHA1
7952b160bed915462d17530652462703dd9bb8ab

SHA256
fd7102a122c5d5f9333810351a1e65b560bbd0f294907f8ba39ecaf187947aa8

SHA512
e12349b6ff345047ff90b600beb8acd10c4658a99632ab88b5a4a8ba7fe4c8ec9c5ec218a5d1ae0b00f674f8fc4a3bce367f014e39393a5b8cfba2b0bd2bb0d6

Download Submit
C:\Windows\SysWOW64\UYNGQO\HUF.008

Filesize
327B

MD5
5d3acfa2d16297048bff04cb6b244e60

SHA1
2510d3f971ca64cd890b61cb34176886fbc10388

SHA256
24b11be86eea676920aa6d4fc798d1ea25dd959b7c6e7d40f983b77984a13788

SHA512
6948541b96f375783065c95a65166bf582623023b8876b2478cb6144f46b7eee1f6b9bd13e51fab401647b0b0c83115e7791b0c24e02473c42cc1ccf7a60e821

Download Submit
C:\Windows\SysWOW64\UYNGQO\HUF.exe

Filesize
1.7MB

MD5
8f7590bbba70748e69612e9e2d5a9f2e

SHA1
f3ad9834bc38f33fe501b9076c65ac29d0410578

SHA256
2dec3a8fb4a5b198335e7f4a9b611194b0a081abf0c56f9df3f4e2697e69d9e4

SHA512
347e9ac793afd627e064ecdfea61c3e2b626ace0ea41928aad93a72567048b8e9bdf773f8a4a59a0d96ce8c08612c542c15982e8051828bef025fea6132838c6

Download Submit
memory/2608-18-0x00000000006B0000-0x00000000006B1000-memory.dmp

Filesize
4KB

Download
memory/2608-29-0x00000000006B0000-0x00000000006B1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads