ardamax | d9a935bb14b63e3da4db302d8daa2ceaa76a18fb55f16ad13ffe5e2cba8d4165

General

Target

JaffaCakes118_0c5a12e93af6e1594435f9b025833c63.exe
Size

482KB
MD5

0c5a12e93af6e1594435f9b025833c63
SHA1

f76b1f498f820f5e56c79213045a74f11affd21e
SHA256

d9a935bb14b63e3da4db302d8daa2ceaa76a18fb55f16ad13ffe5e2cba8d4165
SHA512

55688a86ebf329bc16d57af95b09071965dc50529dbbd27f31a41057d1bf16a535857eb3dfe158d95871ba0e2c5a7f6c2b2f1cc9bfc12a8cfe4093ee66841863
SSDEEP

12288:FlheTArYwitbntPe68+gZykqbVjSiGIgTiOZMJjNSghm8ea:YuYwi5S+gZykewF2JjQgdea

Score

10^/10

ardamax defense_evasion 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/0x000a000000023b71-12.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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	JaffaCakes118_0c5a12e93af6e1594435f9b025833c63.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	HVDR.exe

Executes dropped EXE 1 IoCs

pid	Process
4728	HVDR.exe

Loads dropped DLL 5 IoCs

pid	Process
3124	JaffaCakes118_0c5a12e93af6e1594435f9b025833c63.exe
4728	HVDR.exe
4728	HVDR.exe
4728	HVDR.exe
2280	WerFault.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\HVDR Agent = "C:\\Windows\\SysWOW64\\Sys32\\HVDR.exe"	HVDR.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\Sys32\HVDR.001	JaffaCakes118_0c5a12e93af6e1594435f9b025833c63.exe
File created	C:\Windows\SysWOW64\Sys32\HVDR.006	JaffaCakes118_0c5a12e93af6e1594435f9b025833c63.exe
File created	C:\Windows\SysWOW64\Sys32\HVDR.007	JaffaCakes118_0c5a12e93af6e1594435f9b025833c63.exe
File created	C:\Windows\SysWOW64\Sys32\HVDR.exe	JaffaCakes118_0c5a12e93af6e1594435f9b025833c63.exe
File created	C:\Windows\SysWOW64\Sys32\AKV.exe	JaffaCakes118_0c5a12e93af6e1594435f9b025833c63.exe
File opened for modification	C:\Windows\SysWOW64\Sys32	HVDR.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2280	4728	WerFault.exe	82

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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_0c5a12e93af6e1594435f9b025833c63.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	HVDR.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: 33	4728	HVDR.exe
Token: SeIncBasePriorityPrivilege	4728	HVDR.exe
Token: SeIncBasePriorityPrivilege	4728	HVDR.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4728	HVDR.exe
4728	HVDR.exe
4728	HVDR.exe
4728	HVDR.exe
4728	HVDR.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3124 wrote to memory of 4728	3124	JaffaCakes118_0c5a12e93af6e1594435f9b025833c63.exe	82
PID 3124 wrote to memory of 4728	3124	JaffaCakes118_0c5a12e93af6e1594435f9b025833c63.exe	82
PID 3124 wrote to memory of 4728	3124	JaffaCakes118_0c5a12e93af6e1594435f9b025833c63.exe	82
PID 4728 wrote to memory of 1684	4728	HVDR.exe	95
PID 4728 wrote to memory of 1684	4728	HVDR.exe	95
PID 4728 wrote to memory of 1684	4728	HVDR.exe	95

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0c5a12e93af6e1594435f9b025833c63.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0c5a12e93af6e1594435f9b025833c63.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3124
- C:\Windows\SysWOW64\Sys32\HVDR.exe
  "C:\Windows\system32\Sys32\HVDR.exe"
  2⤵
  - Checks computer location settings
  - 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
  - Suspicious use of WriteProcessMemory
  PID:4728
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4728 -s 1156
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:2280
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del C:\Windows\SysWOW64\Sys32\HVDR.exe > nul
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1684

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4728 -ip 4728
1⤵
PID:836

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

Indicator Removal

1

T1070

File Deletion

Modify Registry

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\@8397.tmp

Filesize
3KB

MD5
5a159e9341f65fc570232248b8cf51cb

SHA1
31905d6404692e9f31b58b15075348942612f375

SHA256
399cf2fca877cfb6258f0b18db3526acefa3725619c4fa63b238fb5dbe390f66

SHA512
a020905c4c15443f81f77f86db3e0ecca19c48dceb5b8608435054fcff56580a175c0f64a2eacc00e6c14c6537b5e07fd41a89e4602157d012fd6e056054d9bf

Download Submit
C:\Windows\SysWOW64\Sys32\AKV.exe

Filesize
389KB

MD5
433e840b522e28f86377e1df7cb80baf

SHA1
c200505662ba78caae3c4a054c3ca7d62e97be93

SHA256
9cb577e77dad05b03969fcf2118ed26fa6ad3bce1d9659fa0934b942c76581f0

SHA512
c5dc790a5b40062481bc978c28fc3279236b60b9b907c6dd03fbd4bf52f9bebc3ab38bf0ac0de1f455a4db28639bedaececaad8e7f096f624d3916cf0f362ffc

Download Submit
C:\Windows\SysWOW64\Sys32\HVDR.001

Filesize
510B

MD5
109add6e6be4ff769348a4d481fe3cce

SHA1
a4b32ec890b7b38e51057d725ede1cda8ec50de1

SHA256
aa915790d4d0401e7824d3ec3dfe535db424e8c991a91dd400ae8889f6319b10

SHA512
ffa8f931205449e785916bcd3b1091de271d39479dd8fe6233142b4042369157f68be83adfc9d796846a8536e3616add9fb620a360d87cece31b818f513fbf2f

Download Submit
C:\Windows\SysWOW64\Sys32\HVDR.006

Filesize
7KB

MD5
27534bc0f73b5de819de58995aa1e622

SHA1
0ac11c296a1daef49f4672a668a20091563866c9

SHA256
4c7dc5430b1dc5d402767578402dbc3d824c4ff4be4222b3c24036e45bb9eccd

SHA512
f14f9e358507ad49607b22e6da96805178fd23cda5302479ea1c8ef2901bc9fecd02123da9ac9f2043764c9d1f5730c074777fd706e7fdc24b094b0bebf520c1

Download Submit
C:\Windows\SysWOW64\Sys32\HVDR.007

Filesize
5KB

MD5
fe107515338fbde5e5307c4f76b96bb1

SHA1
df6c1ad7f99bc25243c38fa602c308ccbd09ec85

SHA256
26381a466fed113a110752d96640d5c8144a2e4d385b175a17a8f224e459214b

SHA512
6adae86847423c72250b5bcdc993d3312ccd46fa0b08702990b352f7b188c55a0a067c0493b191582ac5520d360f3e7ef6788fa48cfcf4d191aa12209786fed6

Download Submit
C:\Windows\SysWOW64\Sys32\HVDR.exe

Filesize
475KB

MD5
c9ae34faba6dc2ef692069a94baa6d83

SHA1
1d55c106f34258b8c8b7194bc8a5dbe4781fdd24

SHA256
51ca7c0303f667b8cd35dce598c6a9ebc4ccd5da7e37150ad7c01a2cd1d05d0c

SHA512
7dbce735aff17ae324ee54c9638995f22f778261d277affe5af763bde37d3918b575f1cb7a4b4323c8b2a6d49c2a918c980224e27136087d82d782ddc1b8ecbf

Download Submit
memory/4728-23-0x0000000000910000-0x0000000000911000-memory.dmp

Filesize
4KB

Download
memory/4728-27-0x0000000000910000-0x0000000000911000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads