ardamax | 26c17c514f67beae054cbaf91cdd1d61edfce9ac5c955db105bf1e8fc9f6ba49

General

Target

JaffaCakes118_0505ccc80e3056626130cf980849c308.exe
Size

1.1MB
MD5

0505ccc80e3056626130cf980849c308
SHA1

8e6e8f69a87d778e4f57769f935026bfa889635e
SHA256

26c17c514f67beae054cbaf91cdd1d61edfce9ac5c955db105bf1e8fc9f6ba49
SHA512

19242a1419468e803234084b54ee74e2b81ccd835b804aa0239aaf7df8d78350872df6505dcdb9f374e5523bd77edf81262ce586dc9ff90a480615b09fbcbfac
SSDEEP

24576:fH0KuTdySd6Wk9XthnKe2UPcVTO3m3lYJKjrM/Y7GBHYDxBKaj:fH0RTdyr9XtyU0g3m3vGqK

Score

10^/10

ardamax defense_evasion discovery keylogger 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/0x000a000000023b7e-8.dat	family_ardamax

Checks computer location settings 2 TTPs 2 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	JaffaCakes118_0505ccc80e3056626130cf980849c308.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	CRA.exe

Executes dropped EXE 1 IoCs

pid	Process
3496	CRA.exe

Loads dropped DLL 1 IoCs

pid	Process
3496	CRA.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
Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\KJFHSC\CRA.004	JaffaCakes118_0505ccc80e3056626130cf980849c308.exe
File created	C:\Windows\SysWOW64\KJFHSC\CRA.001	JaffaCakes118_0505ccc80e3056626130cf980849c308.exe
File created	C:\Windows\SysWOW64\KJFHSC\CRA.002	JaffaCakes118_0505ccc80e3056626130cf980849c308.exe
File created	C:\Windows\SysWOW64\KJFHSC\AKV.exe	JaffaCakes118_0505ccc80e3056626130cf980849c308.exe
File created	C:\Windows\SysWOW64\KJFHSC\CRA.exe	JaffaCakes118_0505ccc80e3056626130cf980849c308.exe
File opened for modification	C:\Windows\SysWOW64\KJFHSC\	CRA.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_0505ccc80e3056626130cf980849c308.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CRA.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: 33	3496	CRA.exe
Token: SeIncBasePriorityPrivilege	3496	CRA.exe
Token: SeIncBasePriorityPrivilege	3496	CRA.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3496	CRA.exe
3496	CRA.exe
3496	CRA.exe
3496	CRA.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5108 wrote to memory of 3496	5108	JaffaCakes118_0505ccc80e3056626130cf980849c308.exe	83
PID 5108 wrote to memory of 3496	5108	JaffaCakes118_0505ccc80e3056626130cf980849c308.exe	83
PID 5108 wrote to memory of 3496	5108	JaffaCakes118_0505ccc80e3056626130cf980849c308.exe	83
PID 3496 wrote to memory of 2040	3496	CRA.exe	100
PID 3496 wrote to memory of 2040	3496	CRA.exe	100
PID 3496 wrote to memory of 2040	3496	CRA.exe	100

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0505ccc80e3056626130cf980849c308.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0505ccc80e3056626130cf980849c308.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5108
- C:\Windows\SysWOW64\KJFHSC\CRA.exe
  "C:\Windows\system32\KJFHSC\CRA.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3496
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del C:\Windows\SysWOW64\KJFHSC\CRA.exe > nul
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2040

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Indicator Removal

1

T1070

File Deletion

1

T1070.004

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\KJFHSC\AKV.exe

Filesize
459KB

MD5
3a96acb4dc45307f05fc177cf07742aa

SHA1
f8d198305383ac8c1ef2c359a898d1d4f431576b

SHA256
14a550138c38cb91d2b9967dfd607bc4a46c6fa6d267a6f5e1c0131162d1527d

SHA512
3cba04fc5e3b85c4a7a33bda3ef96091e9763b1db6a76c2ad50a809ebc2232752c331807074b6ab1490182f97d052d24b6e550a74991f65c0b4cea557db87a0f

Download Submit
C:\Windows\SysWOW64\KJFHSC\CRA.001

Filesize
61KB

MD5
d19ec1c0bd415150fb4d3edf925d9a6e

SHA1
8df56e86d2459be9cf4b3d8f55bce9b4e1806bf6

SHA256
2c0bd5f9a0ba273e594ca613970c6c6ef32c2ad10a1757c77645d267f37a9e68

SHA512
b3815767c350c67c5b9823539e71fdefe7b33504b19beeeda6063cc29cfdaaec9767eef4b4919216beab86170da629c8e57e1d7bf6f41dd3cf43331570b021d0

Download Submit
C:\Windows\SysWOW64\KJFHSC\CRA.002

Filesize
43KB

MD5
76a1d9ae4d761069b795d6e891855aa5

SHA1
1540e9abb812497007aee9885d1ea35e810defff

SHA256
02a1f41970ded0a4fb834db6ced2f54b432a29048831de7793bc0aa459970567

SHA512
4dc3af04fa7494ea67ef4f44bdb3c681d01ef8cd2ad37c98e5a1b41d7ef10efff1bf55c167f7faac9b0298773a5864d06fb860fee5724463f8eef2c1a978bbfa

Download Submit
C:\Windows\SysWOW64\KJFHSC\CRA.004

Filesize
1KB

MD5
024cd5f347daec249765f2794c9cbf65

SHA1
498f2077566023edb82e58ff06b1809efb4f9891

SHA256
7d720c03c8dc1e06718d4a177a6c807555a48ca5be2d9ba9b8367a3a65871dd8

SHA512
ae546242d3808f6632e3cb2e54f2798e8c22a03bcd43e0dd26d02c7aa449469b31f5fc6cd2a4e3dda34654824b5ed8ef74ddc7a282f3483f5b8d8ab755acf06e

Download Submit
C:\Windows\SysWOW64\KJFHSC\CRA.exe

Filesize
1.7MB

MD5
9be3091aa81569ce6ae396c39a4bdd9e

SHA1
805d6fa574027836c13bdd1fae956fd55c0002e9

SHA256
74d1f43449380ab7960d9655d897d413010a2171e201ea7c8039a3c9a671fd46

SHA512
e1627ecb79a5e4a5fafa1f31fe4c22c5f899eb4f0ea2887da9090b42d3ecba1a0540829b42064aad2779346dad493e25ad428703b932448c1d5973d46b6ba4e0

Download Submit
memory/3496-16-0x0000000000B70000-0x0000000000B71000-memory.dmp

Filesize
4KB

Download
memory/3496-18-0x0000000000B70000-0x0000000000B71000-memory.dmp

Filesize
4KB

Download

Analysis

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