ardamax | 43d29440c02f61ea06e3bd8c9699720b2c985cad648a3b7b4ec07f053d4babc5

General

Target

db1a298ab8ae7982dab4e0e9f26daf79_JaffaCakes118.exe
Size

1.2MB
MD5

db1a298ab8ae7982dab4e0e9f26daf79
SHA1

75fc5fb0566827a7a8a57df4c9e300423c076a5e
SHA256

43d29440c02f61ea06e3bd8c9699720b2c985cad648a3b7b4ec07f053d4babc5
SHA512

81baec8f4b11a2053da21abde79214bbcd7b18b9cf4dc49b8723c9386d4bd31da8ce914c79e1a72a15a7197be0ac248ad6fe604996a585ffbf3ae12234cd1c82
SSDEEP

24576:k64MVT6FsCgx2URTGKq3HFA9ow9KjY1vCchYiSCBWOBgB79OibMb8jYwP8YC:k64MT6FsC5URTGvHFK9Kk1vCc+iSCBWp

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/0x00070000000234cb-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-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation	db1a298ab8ae7982dab4e0e9f26daf79_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
428	PEB.exe

Loads dropped DLL 1 IoCs

pid	Process
428	PEB.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\PEB Start = "C:\\Windows\\SysWOW64\\SSDICR\\PEB.exe"	PEB.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\SSDICR\PEB.002	db1a298ab8ae7982dab4e0e9f26daf79_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\SSDICR\AKV.exe	db1a298ab8ae7982dab4e0e9f26daf79_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\SSDICR\PEB.exe	db1a298ab8ae7982dab4e0e9f26daf79_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\SSDICR\	PEB.exe
File created	C:\Windows\SysWOW64\SSDICR\PEB.004	db1a298ab8ae7982dab4e0e9f26daf79_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\SSDICR\PEB.001	db1a298ab8ae7982dab4e0e9f26daf79_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	db1a298ab8ae7982dab4e0e9f26daf79_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PEB.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	428	PEB.exe
Token: SeIncBasePriorityPrivilege	428	PEB.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
428	PEB.exe
428	PEB.exe
428	PEB.exe
428	PEB.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4928 wrote to memory of 428	4928	db1a298ab8ae7982dab4e0e9f26daf79_JaffaCakes118.exe	85
PID 4928 wrote to memory of 428	4928	db1a298ab8ae7982dab4e0e9f26daf79_JaffaCakes118.exe	85
PID 4928 wrote to memory of 428	4928	db1a298ab8ae7982dab4e0e9f26daf79_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\db1a298ab8ae7982dab4e0e9f26daf79_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\db1a298ab8ae7982dab4e0e9f26daf79_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4928
- C:\Windows\SysWOW64\SSDICR\PEB.exe
  "C:\Windows\system32\SSDICR\PEB.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:428

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\SSDICR\AKV.exe

Filesize
456KB

MD5
51507d91d43683b9c4b8fafeb4d888f8

SHA1
ead2f68338da7af4720378cd46133589fc9405ba

SHA256
71b3aecefd36e4855a369019ac5871c544d39f8889d23cd455466a24cdecce6b

SHA512
a5a7ff3f8ffb72719b7e2c9dc2719c99ea32bd68994918ea027c0d7d54cfe0c80bfd34486dd8d3cdd390376bc4c8d1f7d97de4b98b7d39a3e10c3e2682c07d1c

Download Submit
C:\Windows\SysWOW64\SSDICR\PEB.001

Filesize
61KB

MD5
383d5f5d4240d590e7dec3f7312a4ac7

SHA1
f6bcade8d37afb80cf52a89b3e84683f4643fbce

SHA256
7e87f6817b17a75106d34ce9884c40ddfb381bf8f2013930916498d1df0a6422

SHA512
e652c41ec95d653940b869426bc2cbd8e5b3159110ffaab7d623e23eebe1f34ca65be6a9a9cdcd5f41aec7567469d6b4d6362d24ae92267cddb8940e1265806a

Download Submit
C:\Windows\SysWOW64\SSDICR\PEB.002

Filesize
43KB

MD5
93df156c4bd9d7341f4c4a4847616a69

SHA1
c7663b32c3c8e247bc16b51aff87b45484652dc1

SHA256
e55b6eabf0f99b90bd4cf3777c25813bded7b6fc5c9955188c8aa5224d299c3e

SHA512
ed2e98c5fd1f0d49e5bac8baa515d489c89f8d42772ae05e4b7a32da8f06d511adad27867034ca0865beae9f78223e95c7d0f826154fc663f2fab9bd61e36e35

Download Submit
C:\Windows\SysWOW64\SSDICR\PEB.004

Filesize
1KB

MD5
58f0bf55c1d06619fd7cc2c0be06c704

SHA1
eb9155707156bb863050957faefa565ba1c1cabf

SHA256
175cbccbc22e5faeafefced0e7888646b4f618fff40632c6c319cae1c03fba8b

SHA512
bc5b416c9cc8172532bbff4a20e0ab51f98490122467c48ddfa5ecc849a4ab881b96c6b1d31cdddbbb8138d0286a3c9fb6899153385a8c93c362e8e4d53a6e7e

Download Submit
C:\Windows\SysWOW64\SSDICR\PEB.exe

Filesize
1.7MB

MD5
3cd29c0df98a7aeb69a9692843ca3edb

SHA1
7c86aea093f1979d18901bd1b89a2b02a60ac3e2

SHA256
5a37cd66508fa3fc85ae547de3498e709bd45167cb57f5e9b271dc3a1cb71a32

SHA512
e78f3206b1878e8db1766d4038a375bbebcbcdb8d1b0a0cb9b0dc72c54881392b9c27e2864ad9118702da58f203f13e0ad5d230980ad1ef2370391a2c4acffc9

Download Submit
memory/428-16-0x0000000000770000-0x0000000000771000-memory.dmp

Filesize
4KB

Download
memory/428-18-0x0000000000770000-0x0000000000771000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads