ardamax | afea8ec1ca24507f4dceaac127a154cbc3532a4cb54c731ca2aa96a77a95a2cd

General

Target

JaffaCakes118_74349d20639482a469c4713dba5d28b0.exe
Size

286KB
MD5

74349d20639482a469c4713dba5d28b0
SHA1

7cc5e647825582b960cf66f3ed3a1a96ccbc8636
SHA256

afea8ec1ca24507f4dceaac127a154cbc3532a4cb54c731ca2aa96a77a95a2cd
SHA512

cf159e39394140e7c29ad35244fe4841ebb9cac66fb8c25a33a19375db4b970f7714e84731f35933ae04f47058b9aad3d9c0873b0042343c81aafd0ae9fcc2ac
SSDEEP

6144:pBvkw4O7I+Ke8wVqBrxw0o612rLAsmwTjeJHk+yhopH99:3vhbI+Ke8lx46gQstIZ2GHf

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/0x000500000001a46d-21.dat	family_ardamax

Executes dropped EXE 2 IoCs

pid	Process
1688	Exporer32.exe
2932	ei.exe

Loads dropped DLL 8 IoCs

pid	Process
2916	JaffaCakes118_74349d20639482a469c4713dba5d28b0.exe
2916	JaffaCakes118_74349d20639482a469c4713dba5d28b0.exe
1688	Exporer32.exe
1688	Exporer32.exe
1688	Exporer32.exe
2932	ei.exe
2932	ei.exe
2732	DllHost.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\ei = "C:\\Windows\\SysWOW64\\Sys\\ei.exe"	ei.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 5 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Sys\ei.007	Exporer32.exe
File created	C:\Windows\SysWOW64\Sys\ei.exe	Exporer32.exe
File opened for modification	C:\Windows\SysWOW64\Sys	ei.exe
File created	C:\Windows\SysWOW64\Sys\ei.001	Exporer32.exe
File created	C:\Windows\SysWOW64\Sys\ei.006	Exporer32.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	Exporer32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ei.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DllHost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_74349d20639482a469c4713dba5d28b0.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	2932	ei.exe
Token: SeIncBasePriorityPrivilege	2932	ei.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2732	DllHost.exe

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
2916	JaffaCakes118_74349d20639482a469c4713dba5d28b0.exe
2932	ei.exe
2932	ei.exe
2932	ei.exe
2932	ei.exe
2732	DllHost.exe
2732	DllHost.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2916 wrote to memory of 1688	2916	JaffaCakes118_74349d20639482a469c4713dba5d28b0.exe	30
PID 2916 wrote to memory of 1688	2916	JaffaCakes118_74349d20639482a469c4713dba5d28b0.exe	30
PID 2916 wrote to memory of 1688	2916	JaffaCakes118_74349d20639482a469c4713dba5d28b0.exe	30
PID 2916 wrote to memory of 1688	2916	JaffaCakes118_74349d20639482a469c4713dba5d28b0.exe	30
PID 1688 wrote to memory of 2932	1688	Exporer32.exe	31
PID 1688 wrote to memory of 2932	1688	Exporer32.exe	31
PID 1688 wrote to memory of 2932	1688	Exporer32.exe	31
PID 1688 wrote to memory of 2932	1688	Exporer32.exe	31

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_74349d20639482a469c4713dba5d28b0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_74349d20639482a469c4713dba5d28b0.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2916
- C:\Users\Admin\AppData\Local\Temp\Exporer32.exe
  "C:\Users\Admin\AppData\Local\Temp\Exporer32.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1688
- - C:\Windows\SysWOW64\Sys\ei.exe
    "C:\Windows\system32\Sys\ei.exe"
    3⤵
    - 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:2932

C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:2732

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

1

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\Exporer32.exe

Filesize
266KB

MD5
f7577a19e8d360815d65eaa5f467b362

SHA1
d854e3f02161c680f0bf0f6bdc652e888816b512

SHA256
3ad97f5de29d0059f3cb18caae6b30c8c5968c1678f28c16a9dc5cb663aa2bb2

SHA512
80d8fe0e3d3deb4993814e9f0d5515371325de9f91c0a89ffdd69fee917e6e8c70eeed049372dc92d7b1c1c859a9edaa10a14b7a38648b56ec2c4a68de3c2daa

Download Submit
C:\Users\Admin\AppData\Local\Temp\r.JPG

Filesize
2KB

MD5
dda7d112260424ba560409e8ac2683c7

SHA1
3c2786767ddf4af7e45f15eb2f380c3faa9a263f

SHA256
fa0dad22ed00fd1470ef648946da3e80ecded547b830657db836212a8e35fc0c

SHA512
47278571b66c9381a8cbd1173b08d90465ee0d77339f75735651b388d4c08cc88b6a39a1a6126d7dcea0e16b52126329d09b9508ac8e125147a4a7bf8af2ff47

Download Submit
C:\Windows\SysWOW64\Sys\ei.001

Filesize
3KB

MD5
4ca34c1e5c8a0a0f5ccb5b766fcb35e5

SHA1
5e09c9bf6b1e196920ee0ea089adc10bf3a881c6

SHA256
56d179d234e5552a79dd62f7422cd0d1dc4454f774087cc38669972ed9ec4b1b

SHA512
b6c0550452eb2e7a7a6da7b29be5cff05957ae771f09cccd828da7000e63c8d0593cd98ee51c879ccd3c34560b0ece08f365c3dd2307c3f7d3c145d2ac44b9f0

Download Submit
C:\Windows\SysWOW64\Sys\ei.006

Filesize
5KB

MD5
ff2bc313174a6ccfe1e0b5b1a58f0f49

SHA1
4e983cdee788faf6a13a9d5bf3f00f4a17dd6e8e

SHA256
f212c83897599d81f4010f1ef3a43e5709e874912072d38d26a5ef5644462318

SHA512
418083066ba5505267f4de91c9e439674e02645c430360dae22dfc390c33b4e0c01857634d1dcb5dc298c296a5f4130397388bceee2ad82ba0a711ab56d1bd0f

Download Submit
C:\Windows\SysWOW64\Sys\ei.007

Filesize
4KB

MD5
50c8c542dca77df82f5925b145567611

SHA1
64bdce386146e3548d3d85cf16fdd0d34cbafe2f

SHA256
0692f76ec589e517f0a5205e658ca44656322c0382cee2af53890324818b3e0f

SHA512
f7df5e9ac0c81f832e8dfe882eb1c4746f30131bef5a56947634146c813df079acd57b3fc954254684c6f4ef291802cd9629e6af3ced9be1f381fdd858a327c2

Download Submit
\Users\Admin\AppData\Local\Temp\@B66.tmp

Filesize
4KB

MD5
a9680f653434b4766fdc2a3c592af879

SHA1
fd8e999c43fa83df3144aa5bbaae73bac3834296

SHA256
30e084f531980a35b79dd36ac9ee0022d0aba792da99b3d71eea26d327db9ad3

SHA512
685fe7bbaf9fe5d140f07e9fe0f1eff0cecf8a3a4d050fe917ce8eddac3394ab7b8cea575e2d6f3dace309716662fbb5a9016850b120ea2099a00cfc848f57ac

Download Submit
\Windows\SysWOW64\Sys\ei.exe

Filesize
459KB

MD5
4db1b69341dc88b901d85be34278a634

SHA1
0d55d2852a58b597c96c1dcec25efc961d882ba1

SHA256
c3f29e3f8b9eb7c20a0046fc105d2199dc5327a570e8c76908e44be1200fb893

SHA512
e11ee43c65179a562254cc63fda5c25ae228603bd88fd357faea2a5b49b4df11dfde5efe46544ac138d008cdffc419c793b35781ef201a9462a9eda30b52dee0

Download Submit
memory/1688-37-0x0000000003150000-0x0000000003152000-memory.dmp

Filesize
8KB

Download
memory/2732-38-0x0000000000100000-0x0000000000102000-memory.dmp

Filesize
8KB

Download
memory/2932-33-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2932-42-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads