ardamax | a87a3e88c98998c0842c497bdde34c865830386e6571cdbdd265e90badcfd45d

General

Target

0a754d7bbc8cb73496e47fb680f3474a_JaffaCakes118.exe
Size

478KB
MD5

0a754d7bbc8cb73496e47fb680f3474a
SHA1

81d87f3e85cdb17195137144cc43835b1cdfd4da
SHA256

a87a3e88c98998c0842c497bdde34c865830386e6571cdbdd265e90badcfd45d
SHA512

1f75c46082f7d2d09d73a443ff8f9906da13ee3aae73fd6525475267fd3e848544ae148d23bf9c801941c514e02848a9e360bd068e2a9d5661095953345b87ed
SSDEEP

12288:ba2W4SCTXm8Jx8DnEPS/ylOh1t3gkgOL1X84h5Zwwlw:+2fdXnL0EPSalOhDg+M4q

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/0x00070000000234cf-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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	0a754d7bbc8cb73496e47fb680f3474a_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
4500	system32TUOW.exe

Loads dropped DLL 4 IoCs

pid	Process
4512	0a754d7bbc8cb73496e47fb680f3474a_JaffaCakes118.exe
4500	system32TUOW.exe
4500	system32TUOW.exe
4500	system32TUOW.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\system32TUOW Agent = "C:\\Windows\\system32TUOW.exe"	system32TUOW.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\system32AKV.exe	0a754d7bbc8cb73496e47fb680f3474a_JaffaCakes118.exe
File created	C:\Windows\system32TUOW.001	0a754d7bbc8cb73496e47fb680f3474a_JaffaCakes118.exe
File created	C:\Windows\system32TUOW.006	0a754d7bbc8cb73496e47fb680f3474a_JaffaCakes118.exe
File created	C:\Windows\system32TUOW.007	0a754d7bbc8cb73496e47fb680f3474a_JaffaCakes118.exe
File created	C:\Windows\system32TUOW.exe	0a754d7bbc8cb73496e47fb680f3474a_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	0a754d7bbc8cb73496e47fb680f3474a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	system32TUOW.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	4500	system32TUOW.exe
Token: SeIncBasePriorityPrivilege	4500	system32TUOW.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4500	system32TUOW.exe
4500	system32TUOW.exe
4500	system32TUOW.exe
4500	system32TUOW.exe
4500	system32TUOW.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4512 wrote to memory of 4500	4512	0a754d7bbc8cb73496e47fb680f3474a_JaffaCakes118.exe	82
PID 4512 wrote to memory of 4500	4512	0a754d7bbc8cb73496e47fb680f3474a_JaffaCakes118.exe	82
PID 4512 wrote to memory of 4500	4512	0a754d7bbc8cb73496e47fb680f3474a_JaffaCakes118.exe	82

C:\Users\Admin\AppData\Local\Temp\0a754d7bbc8cb73496e47fb680f3474a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0a754d7bbc8cb73496e47fb680f3474a_JaffaCakes118.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:4512
- C:\Windows\system32TUOW.exe
  "C:\Windows\system32TUOW.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:4500

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\@AC3E.tmp

Filesize
4KB

MD5
d9e02f226fc338d14df200ba9a700625

SHA1
414f134a16a309b31e418ed9e08c0c48aaf6e2bc

SHA256
8165757efb79acceb9fd0bfae6b2c19b8f087cc0461abb17941d460dbdf2e260

SHA512
13c73381602fe2593312d41ab4bc5cd5f922ac651f9e71e3fe3c58e7f0c5c73ecc9d79d61ec46f33a0a81cf73373421eeb510bd99650c0f53af30974ed61b8ca

Download Submit
C:\Windows\system32TUOW.001

Filesize
314B

MD5
998f16b020115ea29ceb7fb5b8445b88

SHA1
bed5ef7a4350cf5df0d475db941b393d8ffa11e8

SHA256
79cb5162ed769a32029843ffea78730f8f1d6930133dfbf818b9f303c8a1d945

SHA512
3685810f7e87d87a8a574c7109c32ad00d34212956e661e4a0f8e9d484512eb1e51bd41172fc40a734b886b913c801ec0f8d2e15c4ea8427ff34ec98645d78f6

Download Submit
C:\Windows\system32TUOW.006

Filesize
7KB

MD5
32dd7b4bc8b6f290b0ece3cc1c011c96

SHA1
b979683868b399c6a6204ebaed9fc9c784a0429a

SHA256
6dcce9bbba5c2de47eea3abf7597a9c4fb2e4d358efc3752fa65c169cccfa2a1

SHA512
9e0d720799fe816f7d09c8a722b762203b6f12a8625c1c93cd640219ecc35969bd641b4d9e6dc04ab6f95ceb73235a438eb7d48ee9402118db3618b5760551ea

Download Submit
C:\Windows\system32TUOW.007

Filesize
5KB

MD5
e8155b68775ed29590e14df80fdc0e9f

SHA1
ed449da02e648a524004c265f3c37496d2f07f1f

SHA256
b39ba894b0a9a3201461ddd9ee9b297928e793dff221a47f019e75c11df631f3

SHA512
b14e00c46cf9bed0aca0f85775f624ff064f2d2afe1fa68b61bee5729db73cf9a8eced669c52d7cbb9504ff1b369a9a16a0f36c71a70c13c0bd1eaf5e07ccc11

Download Submit
C:\Windows\system32TUOW.exe

Filesize
471KB

MD5
3c06bbc025b61d2182ef5573f2852bda

SHA1
ebc1464c00b13fb5b3f80a59c80b595020e1fe7c

SHA256
e7f64e7215284cdeb8ef1eba28733f7aeae7f6977f82809d8de1e76a2e249085

SHA512
9d839ada211b85fc1efb1fe7bb3ce66fcf0e8069221d958234649c2ac5dc0f1bd06f1a016f9c727077af36fb46cac5409be9c8a8201d17f689c6b473aa01acdc

Download Submit
memory/4500-20-0x0000000002120000-0x0000000002121000-memory.dmp

Filesize
4KB

Download
memory/4500-26-0x0000000002120000-0x0000000002121000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads