Analysis
-
max time kernel
145s -
max time network
155s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
06/03/2024, 22:05
Static task
static1
Behavioral task
behavioral1
Sample
981ebf8eead7a2e67748a338ed9d09a8162bb53a2b443faa641a46007ca635e0.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
981ebf8eead7a2e67748a338ed9d09a8162bb53a2b443faa641a46007ca635e0.exe
Resource
win10v2004-20240226-en
General
-
Target
981ebf8eead7a2e67748a338ed9d09a8162bb53a2b443faa641a46007ca635e0.exe
-
Size
66KB
-
MD5
b75ac29514b141005c3d886a4517c9b4
-
SHA1
74090dac743fdc63e28ab1a20b4def4d8e7ccfbb
-
SHA256
981ebf8eead7a2e67748a338ed9d09a8162bb53a2b443faa641a46007ca635e0
-
SHA512
aa5a865b2a2864db81bcc5bca54b38b13512294058e7d50fcd2681003933f4ba5c954f7d27bbf80ae30c477f7e6427131950f12c91958e505fcc915b7fa27198
-
SSDEEP
1536:6KpXR2RqAD6/0a9Le55lJysOEVAXwX4e494N2/2:6Kph2Rrwnbaf
Malware Config
Signatures
-
Executes dropped EXE 1 IoCs
pid Process 2164 dylkemi.exe -
Loads dropped DLL 2 IoCs
pid Process 2992 981ebf8eead7a2e67748a338ed9d09a8162bb53a2b443faa641a46007ca635e0.exe 2992 981ebf8eead7a2e67748a338ed9d09a8162bb53a2b443faa641a46007ca635e0.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 3 checkip.dyndns.org -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2992 wrote to memory of 2164 2992 981ebf8eead7a2e67748a338ed9d09a8162bb53a2b443faa641a46007ca635e0.exe 28 PID 2992 wrote to memory of 2164 2992 981ebf8eead7a2e67748a338ed9d09a8162bb53a2b443faa641a46007ca635e0.exe 28 PID 2992 wrote to memory of 2164 2992 981ebf8eead7a2e67748a338ed9d09a8162bb53a2b443faa641a46007ca635e0.exe 28 PID 2992 wrote to memory of 2164 2992 981ebf8eead7a2e67748a338ed9d09a8162bb53a2b443faa641a46007ca635e0.exe 28
Processes
-
C:\Users\Admin\AppData\Local\Temp\981ebf8eead7a2e67748a338ed9d09a8162bb53a2b443faa641a46007ca635e0.exe"C:\Users\Admin\AppData\Local\Temp\981ebf8eead7a2e67748a338ed9d09a8162bb53a2b443faa641a46007ca635e0.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2992 -
C:\Users\Admin\AppData\Local\Temp\dylkemi.exeC:\Users\Admin\AppData\Local\Temp\dylkemi.exe2⤵
- Executes dropped EXE
PID:2164
-
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
66KB
MD54d13ed16e90fbb14c7825ac2023f7330
SHA10f5e8f9ee1cd073f0d8ea732d69a1f1c701b0f11
SHA25643876784318077deb6be3b1fb7aa72b740bb14a119a1ba712560e8148361b507
SHA512f688cff78bdce3ad2c0632033eaea7e63f7c8fce4123aea8d1191ade53bf9232d98380e5564869d8c73dddc2181ba94d400b804f1278c37b44fb8002d42a102f