Analysis
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max time kernel
143s -
max time network
147s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
09/04/2024, 20:24
Static task
static1
Behavioral task
behavioral1
Sample
caa75cb1a263611f3b7fc90b7719d7bf.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
caa75cb1a263611f3b7fc90b7719d7bf.exe
Resource
win10v2004-20240226-en
General
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Target
caa75cb1a263611f3b7fc90b7719d7bf.exe
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Size
112KB
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MD5
caa75cb1a263611f3b7fc90b7719d7bf
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SHA1
a336fcca74501981f4e6e28d0d18e3ee487b61a3
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SHA256
d2c13407969127350874e58a40a0f688071465f21d205d56f608f54734ed266c
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SHA512
c72d97e529ba0cce7462d4af81d054520f8dc618380f452ed2ef292e84bed43fe3415657a9e6b3ab2a1de51ec64cb54840d4b7ef621c56c0c01ece3d57f3703e
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SSDEEP
1536:0M+yNStPY+z0mHkGDcIXQfTGWbh8UH9SZ47Qn/yo9dBK2jSDKB:tUlY+zlDcIXeTNH9SZ4u+K
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2208 olacweegim.exe -
Loads dropped DLL 1 IoCs
pid Process 2400 caa75cb1a263611f3b7fc90b7719d7bf.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 2400 wrote to memory of 2208 2400 caa75cb1a263611f3b7fc90b7719d7bf.exe 28 PID 2400 wrote to memory of 2208 2400 caa75cb1a263611f3b7fc90b7719d7bf.exe 28 PID 2400 wrote to memory of 2208 2400 caa75cb1a263611f3b7fc90b7719d7bf.exe 28 PID 2400 wrote to memory of 2208 2400 caa75cb1a263611f3b7fc90b7719d7bf.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\caa75cb1a263611f3b7fc90b7719d7bf.exe"C:\Users\Admin\AppData\Local\Temp\caa75cb1a263611f3b7fc90b7719d7bf.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2400 -
C:\Users\Admin\AppData\Local\Temp\olacweegim.exeC:\Users\Admin\AppData\Local\Temp\olacweegim.exe2⤵
- Executes dropped EXE
PID:2208
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
112KB
MD5273043aa5bcdf06d5f8a4212c1560899
SHA1339a7685526ad9e37dcb0d53ff473e006b031aee
SHA25657fd1edbf386a803dc2f46ea75ae0b75634ea53eafd69a3482ff0921360410f0
SHA51271a458ebfcc45fec5c849a4781207443baff4eb596d0c6c531e0a7fdfb7e2680f5e447e95b2ce542f7fe2c61fa68348b4e864a740dfc602d55b808544d45f53f