ardamax | 8ca728e6e74c33c178d3fefaf05faf90c246390483bb078cfdc82567f2f82cf5

General

Target

JaffaCakes118_bcc32ca7634050200641cd4bb7ce97f1.exe
Size

1.1MB
MD5

bcc32ca7634050200641cd4bb7ce97f1
SHA1

538e04e0b5a67503be427f708ec53fb107feafa4
SHA256

8ca728e6e74c33c178d3fefaf05faf90c246390483bb078cfdc82567f2f82cf5
SHA512

b80e863a17598c2ad752b2b5af2cafee95e5201af0c190821026c1e712839cca765c078fd2681de96e1bcda7e54b79ee17317a03a08c4d5a77d5b8cc17ae4378
SSDEEP

24576:UHvZT7CQSlE5P1s4UjB4Fx1g3EHkCJrH0MdKS0vodXoGkjpkr5:cBT7CQOEX9Uj+Fx1gUECNT1qkr

Score

10^/10

ardamax 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
behavioral1/files/0x0007000000024274-8.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-1-5-21-308834014-1004923324-1191300197-1000\Control Panel\International\Geo\Nation	JaffaCakes118_bcc32ca7634050200641cd4bb7ce97f1.exe

Executes dropped EXE 2 IoCs

pid	Process
424	GUW.exe
916	GUW.exe

Loads dropped DLL 2 IoCs

pid	Process
424	GUW.exe
916	GUW.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\GUW Start = "C:\\Windows\\SysWOW64\\TPJGXC\\GUW.exe"	GUW.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\TPJGXC\GUW.004	JaffaCakes118_bcc32ca7634050200641cd4bb7ce97f1.exe
File created	C:\Windows\SysWOW64\TPJGXC\GUW.001	JaffaCakes118_bcc32ca7634050200641cd4bb7ce97f1.exe
File created	C:\Windows\SysWOW64\TPJGXC\GUW.002	JaffaCakes118_bcc32ca7634050200641cd4bb7ce97f1.exe
File created	C:\Windows\SysWOW64\TPJGXC\AKV.exe	JaffaCakes118_bcc32ca7634050200641cd4bb7ce97f1.exe
File created	C:\Windows\SysWOW64\TPJGXC\GUW.exe	JaffaCakes118_bcc32ca7634050200641cd4bb7ce97f1.exe
File opened for modification	C:\Windows\SysWOW64\TPJGXC\	GUW.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	JaffaCakes118_bcc32ca7634050200641cd4bb7ce97f1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	GUW.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	GUW.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	424	GUW.exe
Token: SeIncBasePriorityPrivilege	424	GUW.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
424	GUW.exe
424	GUW.exe
424	GUW.exe
424	GUW.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2768 wrote to memory of 424	2768	JaffaCakes118_bcc32ca7634050200641cd4bb7ce97f1.exe	86
PID 2768 wrote to memory of 424	2768	JaffaCakes118_bcc32ca7634050200641cd4bb7ce97f1.exe	86
PID 2768 wrote to memory of 424	2768	JaffaCakes118_bcc32ca7634050200641cd4bb7ce97f1.exe	86
PID 1228 wrote to memory of 916	1228	cmd.exe	89
PID 1228 wrote to memory of 916	1228	cmd.exe	89
PID 1228 wrote to memory of 916	1228	cmd.exe	89

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bcc32ca7634050200641cd4bb7ce97f1.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bcc32ca7634050200641cd4bb7ce97f1.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2768
- C:\Windows\SysWOW64\TPJGXC\GUW.exe
  "C:\Windows\system32\TPJGXC\GUW.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:424

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c C:\Windows\SysWOW64\TPJGXC\GUW.exe
1⤵
- Suspicious use of WriteProcessMemory
PID:1228
- C:\Windows\SysWOW64\TPJGXC\GUW.exe
  C:\Windows\SysWOW64\TPJGXC\GUW.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:916

Network

MITRE ATT&CK Enterprise v16

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

Replay Monitor

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Downloads

C:\Windows\SysWOW64\TPJGXC\AKV.exe

Filesize
461KB

MD5
7e335c1258740a5798c2b3eea5a97229

SHA1
6ce1e98ddc05a4b9e772901c9bc6caae4103267f

SHA256
667ab5d791b89216a46f7dd3a1bcb9b7e5f235415a74a9678ca41cec051c462f

SHA512
8c190dd139f5459a91c81871f53fc080a81c6397c68cb5b0ee195571012cc8af923b10cd77301da1816f935d36a0587d1c75126f5553005a0f50eb22d3441cb4

Download Submit
C:\Windows\SysWOW64\TPJGXC\GUW.001

Filesize
61KB

MD5
9fca42b7fa3132ded471b886c4bf8a51

SHA1
86109ac13f8b63bd3467bbf05e39c5cf9bd11d26

SHA256
c519bcfc50245700b30cb417478b46810443b03a6447387dd1d0a13966ff00dd

SHA512
bbdd590e1bd2971fbc6a462f6501341c0808d658ba3407b051f9d299d9babf0632af092d64c6ad290d4ae5d9db8c367898a064bbea916c516c0a54066ad698ab

Download Submit
C:\Windows\SysWOW64\TPJGXC\GUW.002

Filesize
43KB

MD5
4c30b3e90b3da5619bc0d5f53c025135

SHA1
829f487b7c26f6cb8b7f211b2331abbc5229aa61

SHA256
b632cedab7ce3d19eebc0d31864dc8c38cd249dcbde299cda818f7026ec294cf

SHA512
fd0b36fb43c6b62f6d47455b392276d4e3710b204ef11c70cefed417740a4b5d9357ba37f612f3f87d539175af312ead05bc7a4360fe3e26fd43c56e856e6313

Download Submit
C:\Windows\SysWOW64\TPJGXC\GUW.004

Filesize
1KB

MD5
74207cbcac37c2bc97e05bc25745d1d7

SHA1
58fb0ace3a4d9699c64f44c65db7d394f84c062d

SHA256
f8abc00f7065204491abdb667ac882e7b00f46e496c10721eca07d935d338d22

SHA512
4eeab94fe2b767653622cd68f9927684b9961210760fe0234a7e2bd168f1f16b501a68e88026eb94b01a1a5659392ce633e797c1eb453a38dc110309eee3e7a0

Download Submit
C:\Windows\SysWOW64\TPJGXC\GUW.exe

Filesize
1.5MB

MD5
9c28244f2dbe3a4758b532838b0040c9

SHA1
4b58bb4033d43ae64af6c18db48d5d25e23f6121

SHA256
cb770745d547a27a4b99fdbe27a672135f812b29d94fd2b843d06bb5aa1748aa

SHA512
24ed3d4c6aae307a0f1bb1f063b211152644b06d7425a5fe24b09f5f747dd63011451cef3f47cc4985b3316cf1213c056d38768ccb7f44cb2fab28cf4e30e969

Download Submit
memory/424-16-0x00000000005F0000-0x00000000005F1000-memory.dmp

Filesize
4KB

Download
memory/424-20-0x00000000005F0000-0x00000000005F1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads