ardamax | ddf89f6e251a28472613d44bfebfc659f77f80e4506a02014ff0ddecb5b31192

General

Target

c8ecc83a7423aa7c2252369a45f890a1.exe
Size

1.2MB
MD5

c8ecc83a7423aa7c2252369a45f890a1
SHA1

b591df5e9532b38cfd90f327da8847af98be5b6a
SHA256

ddf89f6e251a28472613d44bfebfc659f77f80e4506a02014ff0ddecb5b31192
SHA512

092cafd6c399d51b42d53bf3d8a896d6f9ccff8b8ea7811227e66bda6578d2d6028f8fa29dcad11aee13f6b35cd56f36551671aaa3bd40be4ffe9b91ee4bdb02
SSDEEP

24576:564MVTDhkLK6Eg5VCQKfq6TE/CT46X/HpInKQwVHGYrb1M6Srkreezad:564MTdluVCQMrT2k46vHIgwYri6SYHe

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/0x000700000002323b-9.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-1-5-21-983155329-280873152-1838004294-1000\Control Panel\International\Geo\Nation	c8ecc83a7423aa7c2252369a45f890a1.exe

Executes dropped EXE 1 IoCs

pid	Process
2004	SYW.exe

Loads dropped DLL 1 IoCs

pid	Process
2004	SYW.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\SYW Start = "C:\\Windows\\SysWOW64\\YIVRXF\\SYW.exe"	SYW.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 7 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\YIVRXF\SYW.004	c8ecc83a7423aa7c2252369a45f890a1.exe
File created	C:\Windows\SysWOW64\YIVRXF\SYW.001	c8ecc83a7423aa7c2252369a45f890a1.exe
File created	C:\Windows\SysWOW64\YIVRXF\SYW.002	c8ecc83a7423aa7c2252369a45f890a1.exe
File created	C:\Windows\SysWOW64\YIVRXF\AKV.exe	c8ecc83a7423aa7c2252369a45f890a1.exe
File created	C:\Windows\SysWOW64\YIVRXF\SYW.003	c8ecc83a7423aa7c2252369a45f890a1.exe
File created	C:\Windows\SysWOW64\YIVRXF\SYW.exe	c8ecc83a7423aa7c2252369a45f890a1.exe
File opened for modification	C:\Windows\SysWOW64\YIVRXF\	SYW.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	2004	SYW.exe
Token: SeIncBasePriorityPrivilege	2004	SYW.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2004	SYW.exe
2004	SYW.exe
2004	SYW.exe
2004	SYW.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 668 wrote to memory of 2004	668	c8ecc83a7423aa7c2252369a45f890a1.exe	89
PID 668 wrote to memory of 2004	668	c8ecc83a7423aa7c2252369a45f890a1.exe	89
PID 668 wrote to memory of 2004	668	c8ecc83a7423aa7c2252369a45f890a1.exe	89

C:\Users\Admin\AppData\Local\Temp\c8ecc83a7423aa7c2252369a45f890a1.exe
"C:\Users\Admin\AppData\Local\Temp\c8ecc83a7423aa7c2252369a45f890a1.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:668
- C:\Windows\SysWOW64\YIVRXF\SYW.exe
  "C:\Windows\system32\YIVRXF\SYW.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2004

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\YIVRXF\AKV.exe

Filesize
456KB

MD5
51507d91d43683b9c4b8fafeb4d888f8

SHA1
ead2f68338da7af4720378cd46133589fc9405ba

SHA256
71b3aecefd36e4855a369019ac5871c544d39f8889d23cd455466a24cdecce6b

SHA512
a5a7ff3f8ffb72719b7e2c9dc2719c99ea32bd68994918ea027c0d7d54cfe0c80bfd34486dd8d3cdd390376bc4c8d1f7d97de4b98b7d39a3e10c3e2682c07d1c

Download Submit
C:\Windows\SysWOW64\YIVRXF\SYW.001

Filesize
61KB

MD5
383d5f5d4240d590e7dec3f7312a4ac7

SHA1
f6bcade8d37afb80cf52a89b3e84683f4643fbce

SHA256
7e87f6817b17a75106d34ce9884c40ddfb381bf8f2013930916498d1df0a6422

SHA512
e652c41ec95d653940b869426bc2cbd8e5b3159110ffaab7d623e23eebe1f34ca65be6a9a9cdcd5f41aec7567469d6b4d6362d24ae92267cddb8940e1265806a

Download Submit
C:\Windows\SysWOW64\YIVRXF\SYW.002

Filesize
43KB

MD5
93df156c4bd9d7341f4c4a4847616a69

SHA1
c7663b32c3c8e247bc16b51aff87b45484652dc1

SHA256
e55b6eabf0f99b90bd4cf3777c25813bded7b6fc5c9955188c8aa5224d299c3e

SHA512
ed2e98c5fd1f0d49e5bac8baa515d489c89f8d42772ae05e4b7a32da8f06d511adad27867034ca0865beae9f78223e95c7d0f826154fc663f2fab9bd61e36e35

Download Submit
C:\Windows\SysWOW64\YIVRXF\SYW.003

Filesize
65KB

MD5
cefd6e9c8a039ab9a7833414dfb03f76

SHA1
2a026d0514e0119d0fd545a0d2f6deb198806b70

SHA256
4d71cf9a598c7babd938c2635a755441da18502118cc3336ae25389510c7d01f

SHA512
efcfd6654bf0c45158f43a8c8fd45cc8d40cac227926faa0cd368f1d8012df1bc271f3c7d5db539b1bf282087e533e5a809cf040ac087fcfab58bb320c5a5502

Download Submit
C:\Windows\SysWOW64\YIVRXF\SYW.004

Filesize
1KB

MD5
2f8acb1770c20bbae1f2baae38f74247

SHA1
2e5be2dcd1ff9a3453e4b563f0ec5477e44802ba

SHA256
18fd16e15cdeedc4c3670432f73a1b2f60985e35a5edae03a338be69e2599dce

SHA512
b1f1a8bf25f0124f7316469bd269d639f355671e45b58b1a8b2be2a47e747ff8551e076be06e2b841f3ad68bd7dc02a9b6ffdce3dcb7e652029ec9064420c137

Download Submit
C:\Windows\SysWOW64\YIVRXF\SYW.exe

Filesize
1.7MB

MD5
3cd29c0df98a7aeb69a9692843ca3edb

SHA1
7c86aea093f1979d18901bd1b89a2b02a60ac3e2

SHA256
5a37cd66508fa3fc85ae547de3498e709bd45167cb57f5e9b271dc3a1cb71a32

SHA512
e78f3206b1878e8db1766d4038a375bbebcbcdb8d1b0a0cb9b0dc72c54881392b9c27e2864ad9118702da58f203f13e0ad5d230980ad1ef2370391a2c4acffc9

Download Submit
memory/2004-18-0x0000000000760000-0x0000000000761000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads