ardamax | 1a43f2b5d4dd33b2ee8b67fc436d63b6c6f1aeee622ada3ab1c7587436ebfd80

General

Target

a6bb566b6812c7511f55acddba84ed3d_JaffaCakes118.exe
Size

1.1MB
MD5

a6bb566b6812c7511f55acddba84ed3d
SHA1

3b0202572557f79336c4fda9fa678747655eec22
SHA256

1a43f2b5d4dd33b2ee8b67fc436d63b6c6f1aeee622ada3ab1c7587436ebfd80
SHA512

334a24a01e94a82d5742cf1d62fc24249d0ed31eabfb31ab66a20fb086e10ac6d1f3bb0cb6f6d6fafc09cb4bf4e1ee60066863deb634f1f29cd3556214017e76
SSDEEP

24576:OzddXvhObfrSV4KOdVHb2UbBBBbnHumHgBn4nuiv6bYFas:Ob/cbaAHbVzu8gl4nuiRF

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
behavioral2/files/0x0007000000023c77-12.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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	a6bb566b6812c7511f55acddba84ed3d_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
4864	YBWV.exe
2624	DevLand.exe

Loads dropped DLL 1 IoCs

pid	Process
3716	a6bb566b6812c7511f55acddba84ed3d_JaffaCakes118.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\YBWV Agent = "C:\\Windows\\SysWOW64\\Sys32\\YBWV.exe"	YBWV.exe

Drops file in System32 directory 5 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Sys32\YBWV.001	a6bb566b6812c7511f55acddba84ed3d_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\Sys32\YBWV.006	a6bb566b6812c7511f55acddba84ed3d_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\Sys32\YBWV.007	a6bb566b6812c7511f55acddba84ed3d_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\Sys32\YBWV.exe	a6bb566b6812c7511f55acddba84ed3d_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\Sys32\AKV.exe	a6bb566b6812c7511f55acddba84ed3d_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 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	a6bb566b6812c7511f55acddba84ed3d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	YBWV.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DevLand.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3716 wrote to memory of 4864	3716	a6bb566b6812c7511f55acddba84ed3d_JaffaCakes118.exe	83
PID 3716 wrote to memory of 4864	3716	a6bb566b6812c7511f55acddba84ed3d_JaffaCakes118.exe	83
PID 3716 wrote to memory of 4864	3716	a6bb566b6812c7511f55acddba84ed3d_JaffaCakes118.exe	83
PID 3716 wrote to memory of 2624	3716	a6bb566b6812c7511f55acddba84ed3d_JaffaCakes118.exe	84
PID 3716 wrote to memory of 2624	3716	a6bb566b6812c7511f55acddba84ed3d_JaffaCakes118.exe	84
PID 3716 wrote to memory of 2624	3716	a6bb566b6812c7511f55acddba84ed3d_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\a6bb566b6812c7511f55acddba84ed3d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a6bb566b6812c7511f55acddba84ed3d_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:3716
- C:\Windows\SysWOW64\Sys32\YBWV.exe
  "C:\Windows\system32\Sys32\YBWV.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  PID:4864
- C:\Users\Admin\AppData\Local\Temp\DevLand.exe
  "C:\Users\Admin\AppData\Local\Temp\DevLand.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2624

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

1

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:\Users\Admin\AppData\Local\Temp\@F666.tmp

Filesize
3KB

MD5
e6d3a1562e0a2d9230e4bfd7e477dffd

SHA1
ef5d510e60caef4924eced60c092a63e9233b375

SHA256
49ee7df841542ff4fc5232bd8244f06683cc70f8af5f861b94497b504208b3ab

SHA512
e6d866daf96ad912d4ad69324d9f89820d15dd2a8d34aba5b3392aa5f6a67931f988080a25fa09067f81024180a3a4c0e211a80405b56e6663481fce7ffa1177

Download Submit
C:\Users\Admin\AppData\Local\Temp\DevLand.exe

Filesize
1.4MB

MD5
8356b73a7060848883e889d6cd66ee3e

SHA1
55292a15a6f827820f8eb558c9349e655a0c3234

SHA256
c5093d38ef03d8b43155f15448328e9eab0700bfec7116ebdc68cba3f43d54de

SHA512
c4431fdafb304c5fc384eda90ce680b1372eb6cd568b154079789e5e9843100e89385edb05b04de15e6ebcca0fe962eaf399b344f25e3a160f261542c1c24b74

Download Submit
C:\Windows\SysWOW64\Sys32\AKV.exe

Filesize
389KB

MD5
f567d932480c03ab1de08b1b72aada97

SHA1
92c60c8971cf6aa88baf945c61c3a40709c03e02

SHA256
565e67c1959c0dec7be32b308681ec7106cde58b1b409cc21cbc642b7a6d627f

SHA512
2c9bac11470c2ff211054df00f252c312d6d2e0aea4349b03072934f8ce2623fb365c64c0eb56a08440e4daabd11799e03b158733a9922fc05ebc7782c67b3fe

Download Submit
C:\Windows\SysWOW64\Sys32\YBWV.001

Filesize
296B

MD5
449e59aac43c7c2a0ff3eed75a96e7ae

SHA1
ae1f2be558c6cb8ed7c7e55ee159afb1ff4ae89b

SHA256
035c53af8fc4490f3f267068989bb3c303fbce397ef7d735b3f8f5265df26bbc

SHA512
166cea1752e9dbb13f0bdc71ed51dcfb5f55c38169795b1fb2719221f20796d6050a37b969b644b4fd4d3c606e9e95d7ce3aecedcdef9eac8c63026ba65dd856

Download Submit
C:\Windows\SysWOW64\Sys32\YBWV.006

Filesize
7KB

MD5
02d9f210aac7049c13f026ba9898a9bd

SHA1
b6aae5e7fae29934042af5f6a6d51a52b51265a1

SHA256
43b9f2d721ec6e419b865639dead7ba29202839f967ba172f479977db8ea4e9b

SHA512
dda86da60ab27f2c05ebd8e7d4b709771da0edb22ba406336898e4e7e5c2febbfe9d81fb946d6440f6393e0f8c25ae61125e4ff3e8aa168c1e36a63e89999466

Download Submit
C:\Windows\SysWOW64\Sys32\YBWV.007

Filesize
5KB

MD5
5b9bf404722eac0ff29f1609f4e938ac

SHA1
4a0dc9cf5f7cb6855b4f2745646c4a3dcf995ba2

SHA256
45e39c6673b2e580e6cc01f2213dcc4d93da2eb561c94066506d90ceea8c3522

SHA512
50b6689db1e052d39ee1abf3ddab19b64f99ba48460fa75abf5e467d79d99958aa0a9524f3ad0d91d48cfd429ed09cfca068446287d8373974b7583eafc0fd29

Download Submit
C:\Windows\SysWOW64\Sys32\YBWV.exe

Filesize
475KB

MD5
d0c5feb812ca765b00a3ca0e974fabd2

SHA1
c5a4b5aee6b92019552f811d3ceb4fdcee0105fa

SHA256
cd2de8b54a5de630e03177a736a35f85a1f8d8367a392ed833fb6fee29c96440

SHA512
fb4e5bda23453484f0d0c4cc3bdc1f29a36be56281f558f356b579996bde15290a9dfbbc018ffe86e2304832a2898710f0331b7f3cd181d16930e2abbdfaafe8

Download Submit
memory/4864-24-0x00000000004D0000-0x00000000004D1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads