ardamax | f0c2a8e42aa7e7b9037bf396231eb3f2b116930efc3de9e3ae1ec84a379adaf4

General

Target

f9fc70bd59683156a745948f4ad2c375_JaffaCakes118.exe
Size

1.1MB
MD5

f9fc70bd59683156a745948f4ad2c375
SHA1

9fd299fb40b02c6fcc88c73e295956a0192c241e
SHA256

f0c2a8e42aa7e7b9037bf396231eb3f2b116930efc3de9e3ae1ec84a379adaf4
SHA512

4c772362adeba2ac530429db32d2f66a4ca41d5352dda5a5e6b3e4c74b0ee90a0cbbeb1ff50bfbbf1a4ae6bc5fb7d14f0228db741b923d9d27f7c2b25e68af60
SSDEEP

24576:AHvZT6rMHIMzNMA2YN04ofjZM5u19GEy6MSr10pgHgZMJn:IBT6rMHIMzNMA29nrOuTGEZMu10pTZMJ

Score

10^/10

ardamax discovery keylogger persistence stealer

Malware Config

Signatures

Ardamax
A keylogger first seen in 2013.
keylogger stealer ardamax

Ardamax main executable 1 IoCs

resource	yara_rule
behavioral2/files/0x0007000000023460-8.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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	f9fc70bd59683156a745948f4ad2c375_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2936	KNK.exe

Loads dropped DLL 1 IoCs

pid	Process
2936	KNK.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\KNK Start = "C:\\Windows\\SysWOW64\\JTMVGC\\KNK.exe"	KNK.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 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\JTMVGC\KNK.001	f9fc70bd59683156a745948f4ad2c375_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\JTMVGC\KNK.002	f9fc70bd59683156a745948f4ad2c375_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\JTMVGC\AKV.exe	f9fc70bd59683156a745948f4ad2c375_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\JTMVGC\KNK.exe	f9fc70bd59683156a745948f4ad2c375_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\JTMVGC\	KNK.exe
File created	C:\Windows\SysWOW64\JTMVGC\KNK.004	f9fc70bd59683156a745948f4ad2c375_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 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	KNK.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f9fc70bd59683156a745948f4ad2c375_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	2936	KNK.exe
Token: SeIncBasePriorityPrivilege	2936	KNK.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2936	KNK.exe
2936	KNK.exe
2936	KNK.exe
2936	KNK.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2560 wrote to memory of 2936	2560	f9fc70bd59683156a745948f4ad2c375_JaffaCakes118.exe	82
PID 2560 wrote to memory of 2936	2560	f9fc70bd59683156a745948f4ad2c375_JaffaCakes118.exe	82
PID 2560 wrote to memory of 2936	2560	f9fc70bd59683156a745948f4ad2c375_JaffaCakes118.exe	82

C:\Users\Admin\AppData\Local\Temp\f9fc70bd59683156a745948f4ad2c375_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f9fc70bd59683156a745948f4ad2c375_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2560
- C:\Windows\SysWOW64\JTMVGC\KNK.exe
  "C:\Windows\system32\JTMVGC\KNK.exe"
  2⤵
  - 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:2936

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

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\JTMVGC\AKV.exe

Filesize
461KB

MD5
eed8ebfafcd3dcb0f88b237388fba8df

SHA1
620767d6de979bf360e3a188ed03534c769f337b

SHA256
dc3c5152d69547ffb583574707025eee74af46882cdf851221f66b1e81d2ed90

SHA512
28148a2bfdbcaf61f5f664c6b4dd0377d151d775ad001818da2bba6327f02020fabb016a4c8aaa5f841ea1dc1a6d8419bca55bc74924a657476e15abbd8dabb3

Download Submit
C:\Windows\SysWOW64\JTMVGC\KNK.001

Filesize
61KB

MD5
34c92b717ae97bc926f56ba56a44f24a

SHA1
ccaf3c6bf0c73564d0bf19c92b8d25008ffffbfa

SHA256
6e60d85b35f5e9222375f606e4116b38364a4a943596ddb0d914cf1cf4791774

SHA512
2a9eb63837db128c9e036976d903ebd925e6952ab6bf4efa0e370e79f9fefe0ed6e44e4ab444f56ace1149f4dd14797f568e8827e7cebd1e5581dcf309f9745a

Download Submit
C:\Windows\SysWOW64\JTMVGC\KNK.002

Filesize
43KB

MD5
246761f047f6aa98d6eaad66a2f883b9

SHA1
42474a5b23d03e094103b62fd7e820457cf807c4

SHA256
3774021a3cdf32d23fd5921cea4de8c26b08f0d601f3097550a7e8af7b00f111

SHA512
d39d0913975ca2f8d585b72667d76de09ce7817f6de26ef21a8b62edc25d7fab39785f036992d19ca5700f5fc2ee377e696142c41529f23f503e8eefff393144

Download Submit
C:\Windows\SysWOW64\JTMVGC\KNK.004

Filesize
1KB

MD5
31659be73615ad9f3eba929932202ed3

SHA1
ee2bb41a25bfcc26fa26c5ebe453c313eb3554e9

SHA256
a8fd156138207d5af771e40fccad955b542ccbebea28c7ee0c9bcb093bc54adf

SHA512
08ff994fafdc3646775fc12e410a460b80ab7283098323f907cd297e7b0ea8cb808e3a177a5d0d991cee67045ba8e3895bf5333eac2191c1e0f5e58f93232011

Download Submit
C:\Windows\SysWOW64\JTMVGC\KNK.exe

Filesize
1.5MB

MD5
9ab9b7b74790b7bb2798dd2b26f4a913

SHA1
e8ffa981a0149aa6441dcb0dd42f7baf6eb773a2

SHA256
df1c8d608ebd300889cf21c3bda6d5dd2574d68e1f530cc5a885449a22177a75

SHA512
ffffe21d8cc244aacaaba2eb13cc77ad800a196ecf6f77637a8a1f6d456cabb8331970ab358ab21dcf9832343379b4f0486da3990d45eb2f2765e55b7404739e

Download Submit
memory/2936-16-0x0000000000CC0000-0x0000000000CC1000-memory.dmp

Filesize
4KB

Download
memory/2936-18-0x0000000000CC0000-0x0000000000CC1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads