ardamax | 8540c7625e72bdb8522fa30290cd453beceba4df355f0f7b4670deea08fa374b

General

Target

dc10cebd6b10497df0c20122c7a7486d_JaffaCakes118.exe
Size

949KB
MD5

dc10cebd6b10497df0c20122c7a7486d
SHA1

244981c18e0ec8a6640a52eaf3d0e6f8789886a2
SHA256

8540c7625e72bdb8522fa30290cd453beceba4df355f0f7b4670deea08fa374b
SHA512

746c064c9d5a7c4fe752b5fcee6a39af5403e62f43f7adcdb2a04a4ae42df9ca17e5ab695a3ba280370a6dc3f94ee404362710ac0fe157ff7c64f6d923e91769
SSDEEP

24576:H64MVT9BYxFdNaJVvH5TCFuKzP7opuFD:H64MTExahoFumrF

Score

10^/10

ardamax defense_evasion 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/0x000a000000023b6e-7.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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	dc10cebd6b10497df0c20122c7a7486d_JaffaCakes118.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	TAI.exe

Executes dropped EXE 1 IoCs

pid	Process
2360	TAI.exe

Loads dropped DLL 1 IoCs

pid	Process
2360	TAI.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\TAI Start = "C:\\Windows\\SysWOW64\\BWVRBL\\TAI.exe"	TAI.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
Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

Drops file in System32 directory 5 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\BWVRBL\TAI.004	dc10cebd6b10497df0c20122c7a7486d_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\BWVRBL\TAI.001	dc10cebd6b10497df0c20122c7a7486d_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\BWVRBL\TAI.002	dc10cebd6b10497df0c20122c7a7486d_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\BWVRBL\TAI.exe	dc10cebd6b10497df0c20122c7a7486d_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\BWVRBL\	TAI.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	dc10cebd6b10497df0c20122c7a7486d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TAI.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: 33	2360	TAI.exe
Token: SeIncBasePriorityPrivilege	2360	TAI.exe
Token: SeIncBasePriorityPrivilege	2360	TAI.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2360	TAI.exe
2360	TAI.exe
2360	TAI.exe
2360	TAI.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2108 wrote to memory of 2360	2108	dc10cebd6b10497df0c20122c7a7486d_JaffaCakes118.exe	82
PID 2108 wrote to memory of 2360	2108	dc10cebd6b10497df0c20122c7a7486d_JaffaCakes118.exe	82
PID 2108 wrote to memory of 2360	2108	dc10cebd6b10497df0c20122c7a7486d_JaffaCakes118.exe	82
PID 2360 wrote to memory of 828	2360	TAI.exe	92
PID 2360 wrote to memory of 828	2360	TAI.exe	92
PID 2360 wrote to memory of 828	2360	TAI.exe	92

C:\Users\Admin\AppData\Local\Temp\dc10cebd6b10497df0c20122c7a7486d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\dc10cebd6b10497df0c20122c7a7486d_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2108
- C:\Windows\SysWOW64\BWVRBL\TAI.exe
  "C:\Windows\system32\BWVRBL\TAI.exe"
  2⤵
  - Checks computer location settings
  - 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
  - Suspicious use of WriteProcessMemory
  PID:2360
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del C:\Windows\SysWOW64\BWVRBL\TAI.exe > nul
    3⤵
    - System Location Discovery: System Language Discovery
    PID:828

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

Indicator Removal

1

T1070

File Deletion

Modify Registry

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\BWVRBL\TAI.001

Filesize
61KB

MD5
383d5f5d4240d590e7dec3f7312a4ac7

SHA1
f6bcade8d37afb80cf52a89b3e84683f4643fbce

SHA256
7e87f6817b17a75106d34ce9884c40ddfb381bf8f2013930916498d1df0a6422

SHA512
e652c41ec95d653940b869426bc2cbd8e5b3159110ffaab7d623e23eebe1f34ca65be6a9a9cdcd5f41aec7567469d6b4d6362d24ae92267cddb8940e1265806a

Download Submit
C:\Windows\SysWOW64\BWVRBL\TAI.002

Filesize
43KB

MD5
93df156c4bd9d7341f4c4a4847616a69

SHA1
c7663b32c3c8e247bc16b51aff87b45484652dc1

SHA256
e55b6eabf0f99b90bd4cf3777c25813bded7b6fc5c9955188c8aa5224d299c3e

SHA512
ed2e98c5fd1f0d49e5bac8baa515d489c89f8d42772ae05e4b7a32da8f06d511adad27867034ca0865beae9f78223e95c7d0f826154fc663f2fab9bd61e36e35

Download Submit
C:\Windows\SysWOW64\BWVRBL\TAI.004

Filesize
1KB

MD5
bf4d6943f37a457817347628308413d5

SHA1
56378906a72b6a54e4530e58f1110c64bd5123ce

SHA256
50836040a3322f38cedf4ec76ab84ccdae1a41a5d655d57a3856465cd8e60309

SHA512
3f96cd3002870951b6b11a9066777b9e2ee18b60440d9a9da791c4f191fd1d188337fc5cd718825cf808b231068b67b8df9d5f61c331828009d71a84b1662289

Download Submit
C:\Windows\SysWOW64\BWVRBL\TAI.exe

Filesize
1.7MB

MD5
3cd29c0df98a7aeb69a9692843ca3edb

SHA1
7c86aea093f1979d18901bd1b89a2b02a60ac3e2

SHA256
5a37cd66508fa3fc85ae547de3498e709bd45167cb57f5e9b271dc3a1cb71a32

SHA512
e78f3206b1878e8db1766d4038a375bbebcbcdb8d1b0a0cb9b0dc72c54881392b9c27e2864ad9118702da58f203f13e0ad5d230980ad1ef2370391a2c4acffc9

Download Submit
memory/2360-14-0x0000000000600000-0x0000000000601000-memory.dmp

Filesize
4KB

Download
memory/2360-16-0x0000000000600000-0x0000000000601000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads