ardamax | 48e01cfe253b63d096944c544cb34d7b3fca21c5db8dedde51902893c0440591

General

Target

51b879c7df1c35faf43c53a689f598ed_JaffaCakes118.exe
Size

1.2MB
MD5

51b879c7df1c35faf43c53a689f598ed
SHA1

794681abc336e31a77748a4018a77b6d75fd362a
SHA256

48e01cfe253b63d096944c544cb34d7b3fca21c5db8dedde51902893c0440591
SHA512

e7488902cbea4d6585e7a7aaaddeb690096d847260132c8072237e5c1783f2b2aca0e5c0c40af5597768d95f264e6dfd5fe6ec2ff49c9d2c1a693143bd659ecf
SSDEEP

24576:r3LJTZLp32adGZTWoKpD7COJInJhAA0UlzC+dF+kcTBL6Mdn6oT5+cMgF/Is5U:r3tTe2GcnCO+2uzBz+kohlN+gF5

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/0x0007000000023c98-8.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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	51b879c7df1c35faf43c53a689f598ed_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2576	CTA.exe

Loads dropped DLL 1 IoCs

pid	Process
2576	CTA.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\CTA Start = "C:\\Windows\\SysWOW64\\VSWKKF\\CTA.exe"	CTA.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\VSWKKF\CTA.004	51b879c7df1c35faf43c53a689f598ed_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\VSWKKF\CTA.001	51b879c7df1c35faf43c53a689f598ed_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\VSWKKF\CTA.002	51b879c7df1c35faf43c53a689f598ed_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\VSWKKF\AKV.exe	51b879c7df1c35faf43c53a689f598ed_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\VSWKKF\CTA.exe	51b879c7df1c35faf43c53a689f598ed_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\VSWKKF\	CTA.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	51b879c7df1c35faf43c53a689f598ed_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CTA.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2576	CTA.exe
2576	CTA.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	2576	CTA.exe
Token: SeIncBasePriorityPrivilege	2576	CTA.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2576	CTA.exe
2576	CTA.exe
2576	CTA.exe
2576	CTA.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 780 wrote to memory of 2576	780	51b879c7df1c35faf43c53a689f598ed_JaffaCakes118.exe	85
PID 780 wrote to memory of 2576	780	51b879c7df1c35faf43c53a689f598ed_JaffaCakes118.exe	85
PID 780 wrote to memory of 2576	780	51b879c7df1c35faf43c53a689f598ed_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\51b879c7df1c35faf43c53a689f598ed_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\51b879c7df1c35faf43c53a689f598ed_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:780
- C:\Windows\SysWOW64\VSWKKF\CTA.exe
  "C:\Windows\system32\VSWKKF\CTA.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:2576

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\VSWKKF\AKV.exe

Filesize
489KB

MD5
0725c70d7b45945089905464a2710dc8

SHA1
a47223eb378919afc8c2a6af6b031bca12eacaae

SHA256
5340cf0385c1ccf9a5f01e9bbcb68474d5760c1c60bd87772fbd8a498208a3c5

SHA512
3b95b3c582c2df9a59c2aaa5e9f04ea093dda8b53a7df4b966d46c6f61643e8beed3e3cca0e784301f5f14ea17e2520ecf10dca0ae805e5b31bd51ac94d10888

Download Submit
C:\Windows\SysWOW64\VSWKKF\CTA.001

Filesize
61KB

MD5
513c67ebf0379f75a6920540283a4579

SHA1
2fe191acb478d62026a8dbf63f65619d168ddee6

SHA256
8f636876880c59251548fca626731e648553e0b81b02f4667c22cbfadfbd6e30

SHA512
2330f5bbd8d7de91473430bc35a125fe13b261afa5b4ef9533d4d6ebcde6cfe27f705fccbdefa092eb9123eb33dcc1448deab72adab981726517afe458beb01d

Download Submit
C:\Windows\SysWOW64\VSWKKF\CTA.002

Filesize
44KB

MD5
1db8aa9ffda07a5f5559cbf25087147b

SHA1
eea77894bff8e24fb0861159927f67decb629184

SHA256
8cf369255b48195b8ecec1c7bf2e76924641880aa7311e6cf504ca534bbfcd62

SHA512
b9f80191dd8975c2e484eeec1bc7c6212d1b614061e69d96eda87b7a061a78a34de220f22607c3eb1c0fa37f152744a5c8f65a896e2884a9daf969db54a11704

Download Submit
C:\Windows\SysWOW64\VSWKKF\CTA.004

Filesize
1KB

MD5
f994f06efd1f68dab02bbfdaf5ea24ea

SHA1
e705d61511201f86f6943032e87f370dad070b23

SHA256
acb85e5eac4b59ca9c5fba2113231f79c6bf407fb50cf8546b503120224e671b

SHA512
f12a4601824e747e986442f09eec5aa513a50ee48fa87b9b7cd92d1e2c18ecc02a3fea8ac5607c0a6901a7e5f6db8c262c44863f9d4c47b14d17193593b76e95

Download Submit
C:\Windows\SysWOW64\VSWKKF\CTA.exe

Filesize
1.7MB

MD5
7dc8f94e34ad6f38e94f957043c39617

SHA1
081a26dc478bd3de6f2889b9c8da8b2e79723d8b

SHA256
618fb51d23c0ca116dbd24dc5e0240ebda862e405283d64871549321fde08202

SHA512
539c239670369f34e7907d072bdf6b91becb927454db3212b0c307363289b1900edffa2f9fac22d3d14435fcee28b7bdeee1f039f027d74f84627c85774b9f56

Download Submit
memory/2576-16-0x0000000000BD0000-0x0000000000BD1000-memory.dmp

Filesize
4KB

Download
memory/2576-18-0x0000000000BD0000-0x0000000000BD1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads