ardamax | ab5ffc061324a6b34ecbdc888440f77bb867dcce5e6b507d038e1e6ebde88070

General

Target

JaffaCakes118_6ac4e69497954391b80cef23c417d611.exe
Size

1.1MB
MD5

6ac4e69497954391b80cef23c417d611
SHA1

ae35fb3f8141e984eeba3b14b4aec23094bbb912
SHA256

ab5ffc061324a6b34ecbdc888440f77bb867dcce5e6b507d038e1e6ebde88070
SHA512

ab79fdadffe97905ced03252c040163cabb6fad45a84124b5e392d413ecba762ac528c33f4db436b496936f435ca308baba67f7d7899ab0d80a4af3d95569d01
SSDEEP

24576:UHvZTZAMiGFPiYFFsqc7muQ/cKrpkBnUJJJePQrrp0Qcfe:cBTZ1FJrsqc7muyrphJyIrrp3cf

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/0x000a000000023b96-8.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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	JaffaCakes118_6ac4e69497954391b80cef23c417d611.exe

Executes dropped EXE 1 IoCs

pid	Process
4476	GSF.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\GSF Start = "C:\\Windows\\SysWOW64\\PDLBLD\\GSF.exe"	GSF.exe

Drops file in System32 directory 5 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\PDLBLD\GSF.004	JaffaCakes118_6ac4e69497954391b80cef23c417d611.exe
File created	C:\Windows\SysWOW64\PDLBLD\GSF.001	JaffaCakes118_6ac4e69497954391b80cef23c417d611.exe
File created	C:\Windows\SysWOW64\PDLBLD\GSF.002	JaffaCakes118_6ac4e69497954391b80cef23c417d611.exe
File created	C:\Windows\SysWOW64\PDLBLD\AKV.exe	JaffaCakes118_6ac4e69497954391b80cef23c417d611.exe
File created	C:\Windows\SysWOW64\PDLBLD\GSF.exe	JaffaCakes118_6ac4e69497954391b80cef23c417d611.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	JaffaCakes118_6ac4e69497954391b80cef23c417d611.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	GSF.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4792 wrote to memory of 4476	4792	JaffaCakes118_6ac4e69497954391b80cef23c417d611.exe	82
PID 4792 wrote to memory of 4476	4792	JaffaCakes118_6ac4e69497954391b80cef23c417d611.exe	82
PID 4792 wrote to memory of 4476	4792	JaffaCakes118_6ac4e69497954391b80cef23c417d611.exe	82

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6ac4e69497954391b80cef23c417d611.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6ac4e69497954391b80cef23c417d611.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4792
- C:\Windows\SysWOW64\PDLBLD\GSF.exe
  "C:\Windows\system32\PDLBLD\GSF.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  PID:4476

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

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Downloads

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

Filesize
459KB

MD5
28f68e988bfb6a7c9d45d23058cf74e5

SHA1
a0740aea5602429f844cc7ba35c637d26c59edf9

SHA256
1dd66d2320104e426a9d8ae390d3199a6ae2ecadb85e35eed9c6ed7a1819d478

SHA512
dccc2cb961f86a0e11a27976d9f53043df895edf8ca624ace1be2b002b5ce2c372a833b87fdbeb518ada7666c72d01b9724f5ba203b301af444e1ac01104fcda

Download Submit
C:\Windows\SysWOW64\PDLBLD\GSF.001

Filesize
61KB

MD5
a2e848c23f0e2cca1974ea55e6a99779

SHA1
34a5a236c6bdfb6b9a47d5cd213147da7a507ad9

SHA256
e852249a3fc489ee5c3fb4928dab911c4d826ef180f27faaa2f37a7179d231e4

SHA512
70b67fd7368b0efdcaaad3cf8478b7519761afcb0578bded88f61bc357cbddf0c851e8248cab32c1d3b12dc933a33ccd23906aee695a9a9748a1d465566a108f

Download Submit
C:\Windows\SysWOW64\PDLBLD\GSF.002

Filesize
43KB

MD5
94aba5bdc0756bc2ceb5f521c4b620c6

SHA1
fbfd46ae5704c7dd6d63b959c1edb869f7dd19cf

SHA256
5bc8115fdcbe153a33a3feb65bc9eefe4e2a0357a145525f05689054939779e3

SHA512
0f4e154a0813f39f76acc95ec70b87241017d4210b44395bea9ef66c31f0da05503cf8ad665e03fd0c7aed8084e99bf3358de699bbcae2ffbe5176987640e33b

Download Submit
C:\Windows\SysWOW64\PDLBLD\GSF.004

Filesize
1KB

MD5
37637b9cb4c12a92b07a73bf72f1f198

SHA1
f1eb15f426b229944a0b49e6932cc647477ba809

SHA256
46c342a81d425312025d24534df93fa78a9aaf256d95d9c9dce2623e333ab01f

SHA512
843b44e8ab9e4c5511d6db69ebb629792de7490d2cd4bfcd2a52ff0663a67a38afba7188a9b282055c2b2f3a3d1310e1553bd944c6e84da3cd626a6b2dd239ca

Download Submit
C:\Windows\SysWOW64\PDLBLD\GSF.exe

Filesize
1.5MB

MD5
b2d5e28fcce82e8ee5e1c0b1502e8730

SHA1
2573726de59c9c342e3d77bf7436704e74ad90f4

SHA256
b69590e97e053d49295aa1776526052caf3669579e81302825c954b0a4804095

SHA512
0318b6cc12c373a200fdfd144af551c90e2db0219115c6d7d3ec43275f177831c71a06a1c9741cc9522defb293212375707df73e28824d4b37c1d8a6d7c0638b

Download Submit
memory/4476-16-0x0000000000B40000-0x0000000000B41000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads