ardamax | af9867a82447da89f505969d598cd932e13b6cd7d816fb85d74b2cd6d42beeb9

General

Target

SRO_CL~1.exe
Size

498KB
MD5

04892d71d3e228351d87a46455624563
SHA1

d4ce40f736e1e14b7e6f62367950b0fd576ec8cf
SHA256

d3b1d3423f20f40965f3a9be0eb431d042d4d6bb3a48ae80550a4d785ac7cefd
SHA512

f6c069298c78c07cc1f70193035a133c76ec62b29dd29d7dc27c273814b8c376c9ae1eae821a27f744c91050b7474faf5753c65abf020b0a778442a9e78a6d3a
SSDEEP

12288:TdNee6NQzAR9x6X8neXXWv+l0jUcBZopSvxpd6Yi:OiAR9ZeXm2W3BKpSp6X

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
behavioral1/files/0x000500000001a325-9.dat	family_ardamax

Executes dropped EXE 1 IoCs

pid	Process
1120	AVFH.exe

Loads dropped DLL 5 IoCs

pid	Process
2600	SRO_CL~1.exe
2600	SRO_CL~1.exe
2600	SRO_CL~1.exe
1120	AVFH.exe
1120	AVFH.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\AVFH Agent = "C:\\Windows\\SysWOW64\\28463\\AVFH.exe"	AVFH.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\28463\AVFH.006	SRO_CL~1.exe
File created	C:\Windows\SysWOW64\28463\AVFH.007	SRO_CL~1.exe
File created	C:\Windows\SysWOW64\28463\AVFH.exe	SRO_CL~1.exe
File created	C:\Windows\SysWOW64\28463\AKV.exe	SRO_CL~1.exe
File opened for modification	C:\Windows\SysWOW64\28463	AVFH.exe
File created	C:\Windows\SysWOW64\28463\AVFH.001	SRO_CL~1.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	SRO_CL~1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AVFH.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	1120	AVFH.exe
Token: SeIncBasePriorityPrivilege	1120	AVFH.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1120	AVFH.exe
1120	AVFH.exe
1120	AVFH.exe
1120	AVFH.exe
1120	AVFH.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2600 wrote to memory of 1120	2600	SRO_CL~1.exe	30
PID 2600 wrote to memory of 1120	2600	SRO_CL~1.exe	30
PID 2600 wrote to memory of 1120	2600	SRO_CL~1.exe	30
PID 2600 wrote to memory of 1120	2600	SRO_CL~1.exe	30

C:\Users\Admin\AppData\Local\Temp\SRO_CL~1.exe
"C:\Users\Admin\AppData\Local\Temp\SRO_CL~1.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2600
- C:\Windows\SysWOW64\28463\AVFH.exe
  "C:\Windows\system32\28463\AVFH.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:1120

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:\Windows\SysWOW64\28463\AKV.exe

Filesize
407KB

MD5
33dc7c00c1d64022dcea78d2147a90a5

SHA1
21b50a05d4bbfe74c1df846d9268dc953f8050a3

SHA256
e6164ff194fb651a44db5a78d680bc19efe242f3f8e95f5aedbe1cc7f00ef4ef

SHA512
3f5e3db56d056d49b094b33ddcdae8c528ec19851daa9576f00cb347f628b82bbe045fee51d92cf5507822188e5bce17b745cbc6bad155fae16b73eb191bb98f

Download Submit
C:\Windows\SysWOW64\28463\AVFH.001

Filesize
418B

MD5
f2bc3616834210aa163e7fe5b5175d7a

SHA1
3cff1616b9a2c989852bf6b4366bd4a316ee6e87

SHA256
ce363d09de5adf7f6920f1eb49c651ea8d984d3187d67ca8d896865f9f7812c4

SHA512
498e8f0fb73ff656d237b65383cf73d48a2972a3cb27de284b09ca79c247516bd4e155cfeea31358e3994798c0d53e9be2bd24fd26abf7b8ecc3e74125875ac3

Download Submit
C:\Windows\SysWOW64\28463\AVFH.006

Filesize
8KB

MD5
8499922ab422c17e550a724083be50c7

SHA1
914aa24da69f9882d12d7d7cceae38de4dbcad1c

SHA256
894ff0262900acdc5b0266f75b2db829d3dec9a059f28888d5c0997d5b76db8a

SHA512
9d2e7619c7e8e459449a7f70d581ae52a1d33ba1c90b2a14812c2a44474451dc06e78a8e410aae5e7caf9306bbe739b1eeca1a1bc167498a982d9f1320dbbd1b

Download Submit
C:\Windows\SysWOW64\28463\AVFH.007

Filesize
5KB

MD5
b128c2f3eafaff6725ed554a2a21b72f

SHA1
377c206483b5348eb4b657363d29cae830be0b8c

SHA256
b9939a330a7cf6d9947a2b3ffb52170a35d5927e401016e7694fdd24ba1aa4ef

SHA512
3de5ec44becf7520d7ae32764b4636a1d727ab92d192fd92d725d6d308067e331f88e62f3cd9a4a334eb1d9e2ea44bf30f14ebd4e4f2877cdbd6b7bf0ed771c8

Download Submit
\Users\Admin\AppData\Local\Temp\@A785.tmp

Filesize
4KB

MD5
ac2120f3b2fb824a5c1f3752dc944d21

SHA1
8bfbf3887103e886736e0802f88ed860a450856e

SHA256
fd9c203a32eec0afe4ab1e3ae02c68ac27649120bb3f0af68852ba487384ecaf

SHA512
474d77a27e3553aa58b394e77317a770f700f59580820741269e6c4746e664ce483a33a51baecd45ef4ac1a13e451a2c47d95c9abb79c7bc5cf902646f78c90f

Download Submit
\Windows\SysWOW64\28463\AVFH.exe

Filesize
513KB

MD5
0c7a714b8e1d2ead2afc90dcc43bbe18

SHA1
66736613f22771f5da5606ed8c80b572b3f5c103

SHA256
800bdf00e09f302a17e22d26dffbea037e3c077ef9f6d1d585c114f079397a9e

SHA512
35db0de86c168eb6302dcbaa1e1f9ec96b5a8814e7067e1a7bb682e9f35fc06c51148a08e6f7df1e8caeb2effde555c53966a8922e8fef6b7ce194dc81c984b4

Download Submit
memory/1120-24-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/1120-27-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads