ardamax | 5e277d7dedc6e221e8c4924387da720d7c4a882d34d7e782e725603ad3c46251

General

Target

b8b43f92fde839577aa814e8792fd789_JaffaCakes118.exe
Size

566KB
MD5

b8b43f92fde839577aa814e8792fd789
SHA1

2f873c7c898fb726b9811549d63b421c7d0f2db4
SHA256

5e277d7dedc6e221e8c4924387da720d7c4a882d34d7e782e725603ad3c46251
SHA512

62f6de47caf69290aec6f67aacbe8477f38d6c5afc4a60ae344ed4caf6e616db75886c917eae66d85d6e13c4cc40eb87e2ae424e28be42049c2e0abcca6af1ea
SSDEEP

12288:U9fjyuSkwPr6PzD1qzEszAjFBK57kokrOU+p9Jh/0k0+CfNHvXurUd:0jyuUPePP1q1Ahi72xtfVd

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/0x0007000000023635-12.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	b8b43f92fde839577aa814e8792fd789_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
4744	TATR.exe

Loads dropped DLL 4 IoCs

pid	Process
4928	b8b43f92fde839577aa814e8792fd789_JaffaCakes118.exe
4744	TATR.exe
4744	TATR.exe
4744	TATR.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\TATR Agent = "C:\\Windows\\SysWOW64\\28463\\TATR.exe"	TATR.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\28463\TATR.007	b8b43f92fde839577aa814e8792fd789_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\28463\TATR.exe	b8b43f92fde839577aa814e8792fd789_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\28463\AKV.exe	b8b43f92fde839577aa814e8792fd789_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\28463	TATR.exe
File created	C:\Windows\SysWOW64\28463\TATR.001	b8b43f92fde839577aa814e8792fd789_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\28463\TATR.006	b8b43f92fde839577aa814e8792fd789_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	b8b43f92fde839577aa814e8792fd789_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TATR.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	4744	TATR.exe
Token: SeIncBasePriorityPrivilege	4744	TATR.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4744	TATR.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
4744	TATR.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4744	TATR.exe
4744	TATR.exe
4744	TATR.exe
4744	TATR.exe
4744	TATR.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4928 wrote to memory of 4744	4928	b8b43f92fde839577aa814e8792fd789_JaffaCakes118.exe	91
PID 4928 wrote to memory of 4744	4928	b8b43f92fde839577aa814e8792fd789_JaffaCakes118.exe	91
PID 4928 wrote to memory of 4744	4928	b8b43f92fde839577aa814e8792fd789_JaffaCakes118.exe	91

C:\Users\Admin\AppData\Local\Temp\b8b43f92fde839577aa814e8792fd789_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b8b43f92fde839577aa814e8792fd789_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4928
- C:\Windows\SysWOW64\28463\TATR.exe
  "C:\Windows\system32\28463\TATR.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 FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  PID:4744

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=4396,i,10597648459838880772,16562651767759956329,262144 --variations-seed-version --mojo-platform-channel-handle=4404 /prefetch:8
1⤵
PID:3088

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:\Users\Admin\AppData\Local\Temp\@504E.tmp

Filesize
4KB

MD5
908f7f4b0cf93759447afca95cd84aa6

SHA1
d1903a49b211bcb4a460904019ee7441420aa961

SHA256
3e6378164f9dc4148b86c9312b63c5a6b1fabcfebf9557f182d331e9cb32fc23

SHA512
958e0880565b008cdb045d6aba5103f0ba820ac037facf24b78924187a119258e3a8a97de4c3874694962114ef672d41a55feb71b92d5038e7d45bc3d91d6b0d

Download Submit
C:\Windows\SysWOW64\28463\AKV.exe

Filesize
393KB

MD5
b0b09699ea39c0107af1c0833f07c054

SHA1
b730e2fb0bda9bf4a1b1f8768a00838e3ca9dcc1

SHA256
be63e3b5a6c3fbec11a737332d4e0040a23cc2d17182b4bc5e7d5dd41d930ee1

SHA512
55430e53058964961808f37d738c31f1502c3ec4a14b0296bef7bad22e468734bcd119eedba14cc87894d4acc81c9266572aff9919b18bd584823c47fa149796

Download Submit
C:\Windows\SysWOW64\28463\TATR.001

Filesize
402B

MD5
a5dd2db176ed63042fd1c2e56be487da

SHA1
8e84c32d11e117cfcf6518fe5d4286ab2e844177

SHA256
c630dcd3df96c2ba6107fb1c35b55d230180920a63c5fbfac825455eb6aa99a7

SHA512
8eed19255a007102375ca9f9660d3f687e50e6ed95e00749ab441223c71f42f14c1aa151c781686bfef5fdd7154be2827bf029d311dc78867080b6575429507d

Download Submit
C:\Windows\SysWOW64\28463\TATR.006

Filesize
7KB

MD5
e0fcfa7cad88d1a8a462cee6b06cf668

SHA1
a7e49078517abc929a6da261df06556c8f5a8cf0

SHA256
340ff9f7f784e299030abb9982c88547e67251a6cca07d30ca8073d01a2840c4

SHA512
430fd640432769047de7bb4432f710193855a5121fe5944ef07f6b68749608312e7c22b29834967d429637fc9b285671cd10bbc9e1cfb43654695a206ba9cf82

Download Submit
C:\Windows\SysWOW64\28463\TATR.007

Filesize
5KB

MD5
ca72cd485d116033f1b776903ce7ee0a

SHA1
85b0b73a75b0498f56200dd1a5cf0de5371e42a3

SHA256
e583532d6b4d8cfc1def5e550674e9e1a4eef2a107adacddf729fddac64f49c4

SHA512
8dbf6920af64aac6a80c3da4a567473dc20c8d4e24078f7e66bb5aa1a08641e5081b0a1ee05f82fb1dd14218b62572c198ff39b1add5f19893008b3d8e54538f

Download Submit
C:\Windows\SysWOW64\28463\TATR.exe

Filesize
472KB

MD5
346114aaad81ab66017869909fe59a6d

SHA1
770bdb6baa0d840485415da164020dead9336e27

SHA256
766b515e04dc1894e3c7108bdc9e6e9a80652ebdf717fbb27b628fb5ec0ca056

SHA512
b7bda8c0cea75fa9bde56d314e2a61b414fabde7df402cd5892dd149769f477209fcbfb7d05727952da4442e7a43578d1399f220f9d41f8b8cc9f4cd6d5ff954

Download Submit
memory/4744-22-0x0000000000580000-0x0000000000581000-memory.dmp

Filesize
4KB

Download
memory/4744-28-0x0000000000580000-0x0000000000581000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads