ardamax | 66a66db604fd8fde44c0a78cf7ccaf1315d13831d3d288607f22ca81939cf884

General

Target

9cc4042b6df8b7405e0e4b007cb27bbf_JaffaCakes118.exe
Size

1.5MB
MD5

9cc4042b6df8b7405e0e4b007cb27bbf
SHA1

40006e3bb3aa9db95a818a78489fae6ae9360eb9
SHA256

66a66db604fd8fde44c0a78cf7ccaf1315d13831d3d288607f22ca81939cf884
SHA512

947abc7da7dc4514b9d2f3391e7f5927acf5261ec34586b19f5aa399de3f0dd4520baf39640490149112dedae5dd3c0b2f7ad6668d42196f130f9ad18da0889c
SSDEEP

24576:bGaUTK+BAlEfoJ0Z1dNG/bMHxGeqbo6WB1v3NMQmMeoZbTGY1xVv:bGrTKBlv2QeDBV3NJmMeoZGIR

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/0x0007000000023627-9.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-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation	9cc4042b6df8b7405e0e4b007cb27bbf_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2284	UXO.exe

Loads dropped DLL 1 IoCs

pid	Process
2284	UXO.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\UXO Start = "C:\\Windows\\SysWOW64\\VHNVBL\\UXO.exe"	UXO.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 7 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\VHNVBL\UXO.004	9cc4042b6df8b7405e0e4b007cb27bbf_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\VHNVBL\UXO.001	9cc4042b6df8b7405e0e4b007cb27bbf_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\VHNVBL\UXO.002	9cc4042b6df8b7405e0e4b007cb27bbf_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\VHNVBL\AKV.exe	9cc4042b6df8b7405e0e4b007cb27bbf_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\VHNVBL\UXO.003	9cc4042b6df8b7405e0e4b007cb27bbf_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\VHNVBL\UXO.exe	9cc4042b6df8b7405e0e4b007cb27bbf_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\VHNVBL\	UXO.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	9cc4042b6df8b7405e0e4b007cb27bbf_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	UXO.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	2284	UXO.exe
Token: SeIncBasePriorityPrivilege	2284	UXO.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2284	UXO.exe
2284	UXO.exe
2284	UXO.exe
2284	UXO.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3536 wrote to memory of 2284	3536	9cc4042b6df8b7405e0e4b007cb27bbf_JaffaCakes118.exe	91
PID 3536 wrote to memory of 2284	3536	9cc4042b6df8b7405e0e4b007cb27bbf_JaffaCakes118.exe	91
PID 3536 wrote to memory of 2284	3536	9cc4042b6df8b7405e0e4b007cb27bbf_JaffaCakes118.exe	91

C:\Users\Admin\AppData\Local\Temp\9cc4042b6df8b7405e0e4b007cb27bbf_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\9cc4042b6df8b7405e0e4b007cb27bbf_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3536
- C:\Windows\SysWOW64\VHNVBL\UXO.exe
  "C:\Windows\system32\VHNVBL\UXO.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:2284

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=3840,i,11391966286255097843,10588851088187498028,262144 --variations-seed-version --mojo-platform-channel-handle=4352 /prefetch:8
1⤵
PID:1116

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\VHNVBL\AKV.exe

Filesize
456KB

MD5
45a56a60fc710085ef72a86ae4de2a44

SHA1
91133410b770cfc8433b976aa44fc34346e614e6

SHA256
82d3a18d8121ad32e61d0c1fc1dabb2073d21ce82431c9d1259e2589aad373e2

SHA512
c4322b3b668efd8858ce71e1d80e25f21f75b39d4331d8c88050a8f484e524eac58226dfdbeb89fe569e89a6e93fcbb3300d537666126eb3fbf4fe54136aabbf

Download Submit
C:\Windows\SysWOW64\VHNVBL\UXO.001

Filesize
60KB

MD5
5b79ad0d1d30119158b5ab4147edbd96

SHA1
6f802d57d49d7063e40b7bebafa8fb1051e0a907

SHA256
4ccebd38ac000cbc33a6cfc2e87e900ef64ba4b978f3facfdb5870e217ac3ff7

SHA512
497e3eff3c7356cf12efd153b651d1a1ef2cb07302eb5b71dcff0d6732e5273bcff5f82897dff85cdaae0bc159fa9c4588e3bc90ab12521532675bf116757c6b

Download Submit
C:\Windows\SysWOW64\VHNVBL\UXO.002

Filesize
43KB

MD5
af3efaa90f29f6506693136ae1674fc7

SHA1
897aea8f6df7e29d43954512fc390b97c0eb4550

SHA256
4658d92f74df5ee142c08157985e25e41f74aaaa4256df9dfc9a011b7c3f0f44

SHA512
1a87ce2d0767204b1d636ce70c083c71f5cfa064680218906ff86c233968baca7ef605f2b1d9bfaf8326a8cbff7074ace766604b283c1a2b50d5788038dc9863

Download Submit
C:\Windows\SysWOW64\VHNVBL\UXO.003

Filesize
69KB

MD5
0e219645a1a3911be0c4505c9507848c

SHA1
93e4cbdf6176215192de2d0b31df77e24fe458b9

SHA256
43004e3325e7a88e8c1a315c8bcb8a902e8e2a18961d0c1a95681762512d4a26

SHA512
3d2efcf372223a88ad1274165a89846ef0dc9e53e21e04dc93b6c89830bf5f83da13be0c0877e4132a8abbd7a009f0149e866d555ddc579968001139c015877e

Download Submit
C:\Windows\SysWOW64\VHNVBL\UXO.004

Filesize
1KB

MD5
d52460d2c694400eaaed8cd20a226c7d

SHA1
bee028b6d2d80e45c20564e3340f03a3040aaa45

SHA256
8ee5cc45750da8314aa555539015661d519f82a988c40564dcd9435ab340aa83

SHA512
23c97005195ba5b21d1dd36227d2222225ef095e4ad5f7354acd50e8cd6afb07cf11e144954fa49fe3fb093955eedab4724b325f7025ab4392d00b6fffa2ca9b

Download Submit
C:\Windows\SysWOW64\VHNVBL\UXO.exe

Filesize
1.7MB

MD5
78dd492b06d03744d1954781d33775ca

SHA1
ef9462193e6ba7be64458ea1be6afcaeadc574b1

SHA256
c0664f94e9b2a7817f79b9457c31e524ef72ed7c073e79546d67e857b4637ede

SHA512
f88734970018f46b8c4ce350cccf577ac056957e933deb493becbc30b7165834ca68db423850220f8944b364dc97e1423247192faf4f3e4db85cf25c4576eef9

Download Submit
memory/2284-18-0x0000000000750000-0x0000000000751000-memory.dmp

Filesize
4KB

Download
memory/2284-20-0x0000000000750000-0x0000000000751000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads