ardamax | 363f9328428974e07ed2cf2b43dec54db8fcbd3118b020e094e5d94eff1f39f5

General

Target

JaffaCakes118_b12318878041f39ab24ee6e78cd4744c.exe
Size

2.7MB
MD5

b12318878041f39ab24ee6e78cd4744c
SHA1

b0044bb11910e2faa2d30a25b76b9e6c1f2727fb
SHA256

363f9328428974e07ed2cf2b43dec54db8fcbd3118b020e094e5d94eff1f39f5
SHA512

f46ce53c7c7f3f0ea2bf8d7ec989ab7c0aeeea90baed19b4415142416624213be324c0c1e3f07f29dbb488301134de11092cb72457dd967bde3d5318e8a23679
SSDEEP

49152:SnVNjzVQarhahr09CSL0DqwCp29J6PlRfju/hRSB9rycJjDSvzu5gTMND/QLWYL9:SnVNSmqr0IS7RKJi5KZRS7p9n5gTMR/W

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/0x0007000000024229-12.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-1-5-21-2645532622-3298555945-705856666-1000\Control Panel\International\Geo\Nation	JaffaCakes118_b12318878041f39ab24ee6e78cd4744c.exe

Executes dropped EXE 3 IoCs

pid	Process
224	system32CHKT.exe
1300	Clientlessv4Setup.exe
5396	system32CHKT.exe

Loads dropped DLL 10 IoCs

pid	Process
2372	JaffaCakes118_b12318878041f39ab24ee6e78cd4744c.exe
224	system32CHKT.exe
224	system32CHKT.exe
224	system32CHKT.exe
1300	Clientlessv4Setup.exe
1300	Clientlessv4Setup.exe
1300	Clientlessv4Setup.exe
5396	system32CHKT.exe
5396	system32CHKT.exe
5396	system32CHKT.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\system32CHKT Agent = "C:\\Windows\\system32CHKT.exe"	system32CHKT.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 Windows directory 5 IoCs

description	ioc	Process
File created	C:\Windows\system32CHKT.001	JaffaCakes118_b12318878041f39ab24ee6e78cd4744c.exe
File created	C:\Windows\system32CHKT.006	JaffaCakes118_b12318878041f39ab24ee6e78cd4744c.exe
File created	C:\Windows\system32CHKT.007	JaffaCakes118_b12318878041f39ab24ee6e78cd4744c.exe
File created	C:\Windows\system32CHKT.exe	JaffaCakes118_b12318878041f39ab24ee6e78cd4744c.exe
File created	C:\Windows\system32AKV.exe	JaffaCakes118_b12318878041f39ab24ee6e78cd4744c.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 4 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_b12318878041f39ab24ee6e78cd4744c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	system32CHKT.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Clientlessv4Setup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	system32CHKT.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	224	system32CHKT.exe
Token: SeIncBasePriorityPrivilege	224	system32CHKT.exe

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
224	system32CHKT.exe
224	system32CHKT.exe
224	system32CHKT.exe
224	system32CHKT.exe
224	system32CHKT.exe
1300	Clientlessv4Setup.exe
1300	Clientlessv4Setup.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2372 wrote to memory of 224	2372	JaffaCakes118_b12318878041f39ab24ee6e78cd4744c.exe	86
PID 2372 wrote to memory of 224	2372	JaffaCakes118_b12318878041f39ab24ee6e78cd4744c.exe	86
PID 2372 wrote to memory of 224	2372	JaffaCakes118_b12318878041f39ab24ee6e78cd4744c.exe	86
PID 2372 wrote to memory of 1300	2372	JaffaCakes118_b12318878041f39ab24ee6e78cd4744c.exe	89
PID 2372 wrote to memory of 1300	2372	JaffaCakes118_b12318878041f39ab24ee6e78cd4744c.exe	89
PID 2372 wrote to memory of 1300	2372	JaffaCakes118_b12318878041f39ab24ee6e78cd4744c.exe	89
PID 2292 wrote to memory of 5396	2292	cmd.exe	90
PID 2292 wrote to memory of 5396	2292	cmd.exe	90
PID 2292 wrote to memory of 5396	2292	cmd.exe	90

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b12318878041f39ab24ee6e78cd4744c.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b12318878041f39ab24ee6e78cd4744c.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2372
- C:\Windows\system32CHKT.exe
  "C:\Windows\system32CHKT.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:224
- C:\Users\Admin\AppData\Local\Temp\Clientlessv4Setup.exe
  "C:\Users\Admin\AppData\Local\Temp\Clientlessv4Setup.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:1300

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c C:\Windows\system32CHKT.exe
1⤵
- Suspicious use of WriteProcessMemory
PID:2292
- C:\Windows\system32CHKT.exe
  C:\Windows\system32CHKT.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:5396

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\@8174.tmp

Filesize
4KB

MD5
d9e02f226fc338d14df200ba9a700625

SHA1
414f134a16a309b31e418ed9e08c0c48aaf6e2bc

SHA256
8165757efb79acceb9fd0bfae6b2c19b8f087cc0461abb17941d460dbdf2e260

SHA512
13c73381602fe2593312d41ab4bc5cd5f922ac651f9e71e3fe3c58e7f0c5c73ecc9d79d61ec46f33a0a81cf73373421eeb510bd99650c0f53af30974ed61b8ca

Download Submit
C:\Users\Admin\AppData\Local\Temp\Clientlessv4Setup.exe

Filesize
2.3MB

MD5
ea383a4637b5a393368753b6c7114782

SHA1
ab022364e19dcff3b238f8a86c9d9bb5e0a22e3c

SHA256
726d6b69b0d3e17f55425bb8b043c6078eec605d5c8a1e606da115663360cb4b

SHA512
0d1651d89cbccd2bc3f760f16ddd7ef2bf05d6079ea2c67a8bcff1f4b4a75c51648116c528ecdb28d85b2e8a299627aa157312fd12834f1f1e0d5cdf0778791f

Download Submit
C:\Windows\system32CHKT.001

Filesize
462B

MD5
1fad51cc914f0cb1165f57de3f47aba8

SHA1
09780a8dafd2db194650decca19049cd87ec2051

SHA256
91501baa3b72cdd6ff542c8ebc12d20386d43b89e87d02da069d7f6347ae5953

SHA512
7bdb2737cdaf166232d928e9882fd35286c0aa013247cf206ed1daa825991d9d5550d28f118cc0234080912518fdb06c18d1af0f4e6a4bff4619ba1cb76aecd4

Download Submit
C:\Windows\system32CHKT.006

Filesize
7KB

MD5
32dd7b4bc8b6f290b0ece3cc1c011c96

SHA1
b979683868b399c6a6204ebaed9fc9c784a0429a

SHA256
6dcce9bbba5c2de47eea3abf7597a9c4fb2e4d358efc3752fa65c169cccfa2a1

SHA512
9e0d720799fe816f7d09c8a722b762203b6f12a8625c1c93cd640219ecc35969bd641b4d9e6dc04ab6f95ceb73235a438eb7d48ee9402118db3618b5760551ea

Download Submit
C:\Windows\system32CHKT.007

Filesize
5KB

MD5
e8155b68775ed29590e14df80fdc0e9f

SHA1
ed449da02e648a524004c265f3c37496d2f07f1f

SHA256
b39ba894b0a9a3201461ddd9ee9b297928e793dff221a47f019e75c11df631f3

SHA512
b14e00c46cf9bed0aca0f85775f624ff064f2d2afe1fa68b61bee5729db73cf9a8eced669c52d7cbb9504ff1b369a9a16a0f36c71a70c13c0bd1eaf5e07ccc11

Download Submit
C:\Windows\system32CHKT.exe

Filesize
471KB

MD5
3c06bbc025b61d2182ef5573f2852bda

SHA1
ebc1464c00b13fb5b3f80a59c80b595020e1fe7c

SHA256
e7f64e7215284cdeb8ef1eba28733f7aeae7f6977f82809d8de1e76a2e249085

SHA512
9d839ada211b85fc1efb1fe7bb3ce66fcf0e8069221d958234649c2ac5dc0f1bd06f1a016f9c727077af36fb46cac5409be9c8a8201d17f689c6b473aa01acdc

Download Submit
memory/224-19-0x0000000000520000-0x0000000000521000-memory.dmp

Filesize
4KB

Download
memory/224-42-0x0000000000520000-0x0000000000521000-memory.dmp

Filesize
4KB

Download
memory/1300-41-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads