ardamax | e67e641ce511895a6521b806dba4dac05275e05068097cc499d34171bcf3d565

General

Target

a800c332280c567f9cb51d48160483fb_JaffaCakes118.exe
Size

575KB
MD5

a800c332280c567f9cb51d48160483fb
SHA1

c56bfdf23c61a470a90c2e1f561ff64fae62641f
SHA256

e67e641ce511895a6521b806dba4dac05275e05068097cc499d34171bcf3d565
SHA512

2806b9c2712c4f3dddedc25c1259ed44f14654554d300bae5564e22946cea56d591d3999b7c1879d270ed2cceee931c3ea6f9da530e6c02516e497c694039736
SSDEEP

12288:/7itWH9HbpA/qsYGEdCHuT7krkQ+ZHxzFlWxyag:aWH9HbpEqkEMOPkrkQY9

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/0x0007000000023c9f-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	a800c332280c567f9cb51d48160483fb_JaffaCakes118.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	YAXB.exe

Executes dropped EXE 2 IoCs

pid	Process
980	YAXB.exe
224	USInjector.exe

Loads dropped DLL 3 IoCs

pid	Process
1704	a800c332280c567f9cb51d48160483fb_JaffaCakes118.exe
980	YAXB.exe
224	USInjector.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\YAXB = "C:\\Windows\\SysWOW64\\Sys\\YAXB.exe"	YAXB.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 8 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Sys	YAXB.exe
File created	C:\Windows\SysWOW64\Sys\YAXB.001	a800c332280c567f9cb51d48160483fb_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\Sys\YAXB.006	a800c332280c567f9cb51d48160483fb_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\Sys\YAXB.007	a800c332280c567f9cb51d48160483fb_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\Sys\YAXB.exe	a800c332280c567f9cb51d48160483fb_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\Sys\AKV.exe	a800c332280c567f9cb51d48160483fb_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\Sys\YAXB.004	a800c332280c567f9cb51d48160483fb_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\Sys\YAXB.003	a800c332280c567f9cb51d48160483fb_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 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	a800c332280c567f9cb51d48160483fb_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	YAXB.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	USInjector.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	224	USInjector.exe
Token: 33	980	YAXB.exe
Token: SeIncBasePriorityPrivilege	980	YAXB.exe
Token: SeIncBasePriorityPrivilege	980	YAXB.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
980	YAXB.exe
980	YAXB.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
980	YAXB.exe
980	YAXB.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
980	YAXB.exe
980	YAXB.exe
980	YAXB.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1704 wrote to memory of 980	1704	a800c332280c567f9cb51d48160483fb_JaffaCakes118.exe	82
PID 1704 wrote to memory of 980	1704	a800c332280c567f9cb51d48160483fb_JaffaCakes118.exe	82
PID 1704 wrote to memory of 980	1704	a800c332280c567f9cb51d48160483fb_JaffaCakes118.exe	82
PID 1704 wrote to memory of 224	1704	a800c332280c567f9cb51d48160483fb_JaffaCakes118.exe	83
PID 1704 wrote to memory of 224	1704	a800c332280c567f9cb51d48160483fb_JaffaCakes118.exe	83
PID 1704 wrote to memory of 224	1704	a800c332280c567f9cb51d48160483fb_JaffaCakes118.exe	83
PID 980 wrote to memory of 3356	980	YAXB.exe	93
PID 980 wrote to memory of 3356	980	YAXB.exe	93
PID 980 wrote to memory of 3356	980	YAXB.exe	93

C:\Users\Admin\AppData\Local\Temp\a800c332280c567f9cb51d48160483fb_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a800c332280c567f9cb51d48160483fb_JaffaCakes118.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:1704
- C:\Windows\SysWOW64\Sys\YAXB.exe
  "C:\Windows\system32\Sys\YAXB.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 FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:980
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del C:\Windows\SysWOW64\Sys\YAXB.exe > nul
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3356
- C:\Users\Admin\AppData\Local\Temp\USInjector.exe
  "C:\Users\Admin\AppData\Local\Temp\USInjector.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:224

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\@9E05.tmp

Filesize
4KB

MD5
b429300c8148810d2e6a8d40009fc124

SHA1
93ec9660cc0d68cadc6c7f44b35ea0a0ef684ae8

SHA256
98445d51b61014815fc43e44933e5dc126c4fe763545141e78ee1358e487b4b7

SHA512
47a1cfdba6c1e04a322116538a62b22d61cf6b31966e53cfe4e54eb75a58530a7636e3deffcfb7e96ff2bdae2b99c7bcb312685d1ceac2f79c118f6347bf2407

Download Submit
C:\Users\Admin\AppData\Local\Temp\USInjector.exe

Filesize
415KB

MD5
751ca68871ce93aae13403cee81de1d9

SHA1
7e471c4621042d2c107ad0c79f5564a5557d250f

SHA256
00e1a87df451c063de412530069494eed3805252ae5c1c66d5464017186b3e1d

SHA512
cd7794ed1bc025982772fee1ba6ba94846506b8a2787dd3ae3b95d8111553ce9490f7a50d3b4810fa612bbbf8b13588a8008ac1b7f958336aa21ff6836b56c50

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

Filesize
387KB

MD5
bcf6fab667525797024d0962e41e9b7b

SHA1
86b3d41b65eb4ed85c6610a4bb595df787bb2a6a

SHA256
916385eb000bc6011cac9b11d89fd08ffaaddf7d727f9c9bf0764bbcf905b877

SHA512
7e04832d129e3bacb4d4d83259ec02e1e6f5da4da742dbbf010345ccd90a0547e12fcca68da3cff284687a112f570ca269596512605715b3477ae99933afc82c

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

Filesize
3KB

MD5
1d7c95473b71b9caaf21c483e96f7291

SHA1
342865834443aa069a2535e9f73d825254f15920

SHA256
e72fc05ad1a830df298ed7e21e968be71d3bae5106ac3fa765d75ad89dacc3c2

SHA512
d42c0ca67ae367fc052931ed7dcd630bdf59ab8c944f0f10278c27a1eaacac85aa9d6381244d738d228e1a7afd9afd41477b4d5f8f066a4d2b5b76504c9cbcfc

Download Submit
C:\Windows\SysWOW64\Sys\YAXB.004

Filesize
15KB

MD5
91d6e82c612b8184d9fb7398ca4c7134

SHA1
12e2dc30f5fae76c784c816ee0481f0d85141d7b

SHA256
577ae555d810ee950f4bfabc8a0f31b19eb81f69e9177608bff6fa96d04d6968

SHA512
5672e2e5309db4e29a68b3e21d0da59b1b8485303c59007b3af27946903d1a8134bd8df300e7446da6eadf054b3bf81c393ddcb5775e658db029dc71de8448dd

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

Filesize
5KB

MD5
3a2ef41ad6d9415229e0b76ec6df1baf

SHA1
e72f2c0d664a4d2323872bd1f586ec60bb0a6342

SHA256
b7e321cf9dacead275e600c2b531e96a62c671e0a2d641e141acbefb509adf2b

SHA512
b8d5f62e7da21d4114f8764afb16bc409921935d3440f8e712740a50dd7a01f850cfda31f0a4b41e4f514d6bb64e407a83e8e034e5be65cddde27817c728caeb

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

Filesize
4KB

MD5
cb576a1e67ddeb42dc0e23a541cefdb8

SHA1
9684e67a013de4f0f5066856f553674db0f2749c

SHA256
8a9a4e62b646f072f6c1b5415b8461af96db307f59c4d32c9e4f455477ffc221

SHA512
e173475fbf9541daa6790133ceef4b8af414491c0a198e356ba1b1c2fcbdcf7044e8b8ae22d72f39b2b7b888e254fd742b9b09ae3c4e63fa64b5171508247942

Download Submit
C:\Windows\SysWOW64\Sys\YAXB.exe

Filesize
468KB

MD5
4b64ea8b01e25e1af067d11698778ce4

SHA1
20c4d03590cc3ef10e0b3ddbfcdf6fbb41149847

SHA256
08b9f18c1098036ae8830caae054c451c66478490dcd4c653a01abaa937ee7c5

SHA512
5bea198540fa4dd9234017ec3e7a0cf79da4d3bc53cb715a3a6335567c08ff0871b886d6f4dd80e9f4e9df4cac8be392fc7d0e3456c14624583c6cf337ce65d0

Download Submit
memory/980-35-0x0000000000580000-0x0000000000581000-memory.dmp

Filesize
4KB

Download
memory/980-38-0x0000000000580000-0x0000000000581000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads