541694b96efc2859d8f0163c81cd262a51973969492d8e7b1806208ae8f11dd9

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
28-05-2024 01:46

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General

Target

WinAPI.exe
Size

39.7MB
MD5

5730ecaf8ba9b2789d2d9e7598af55a3
SHA1

e94345f6311e96cc30b9bbd25d9298a6da9750d0
SHA256

541694b96efc2859d8f0163c81cd262a51973969492d8e7b1806208ae8f11dd9
SHA512

89b5777761dd49677fe8b01b26df65c17fabd96544e5b3ce716eb5150141d5e2eec876e0e8d994d35403420e1e655cb0b7a4cc20ee2d4eabe695044e8d45fe62
SSDEEP

393216:4d5G5L1V8dvvX+9/pWFlNBR+BsnOrIWeRajMH:O4ROvX+9/pWPkGhR9

Score

7^/10

upx

Malware Config

Signatures

Loads dropped DLL 7 IoCs

Processes:

WinAPI.exe

pid process

2972 WinAPI.exe
2972 WinAPI.exe
2972 WinAPI.exe
2972 WinAPI.exe
2972 WinAPI.exe
2972 WinAPI.exe
2972 WinAPI.exe

pid	process
2972	WinAPI.exe
2972	WinAPI.exe
2972	WinAPI.exe
2972	WinAPI.exe
2972	WinAPI.exe
2972	WinAPI.exe
2972	WinAPI.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\_MEI21682\python311.dll	upx

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

WinAPI.exe

description	pid	process	target process
PID 2168 wrote to memory of 2972	2168	WinAPI.exe	WinAPI.exe
PID 2168 wrote to memory of 2972	2168	WinAPI.exe	WinAPI.exe
PID 2168 wrote to memory of 2972	2168	WinAPI.exe	WinAPI.exe

C:\Users\Admin\AppData\Local\Temp\WinAPI.exe
"C:\Users\Admin\AppData\Local\Temp\WinAPI.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2168
- C:\Users\Admin\AppData\Local\Temp\WinAPI.exe
  "C:\Users\Admin\AppData\Local\Temp\WinAPI.exe"
  2⤵
  - Loads dropped DLL
  PID:2972

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\_MEI21682\api-ms-win-core-file-l1-2-0.dll

Filesize
22KB

MD5
852904535068e569e2b157f3bca0c08f

SHA1
c79b4d109178f4ab8c19ab549286eee4edf6eddb

SHA256
202b77cd363fce7c09d9a59b5779f701767c8734cc17bbe8b9ece5a0619f2225

SHA512
3e814678c7aa0d3d3a637ce3048e3b472dbb01b2e2a5932e5b257aa76bf8de8117a38e2a352daff66939a73c1b971b302f5635ea1d826b8a3afa49f9b543a541

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI21682\python311.dll

Filesize
1.6MB

MD5
db09c9bbec6134db1766d369c339a0a1

SHA1
c156d9f2d0e80b4cf41794cd9b8b1e8a352e0a0b

SHA256
b1aac1e461174bbae952434e4dac092590d72b9832a04457c94bd9bb7ee8ad79

SHA512
653a7fff6a2b6bffb9ea2c0b72ddb83c9c53d555e798eea47101b0d932358180a01af2b9dab9c27723057439c1eaffb8d84b9b41f6f9cd1c3c934f1794104d45

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI21682\ucrtbase.dll

Filesize
1.1MB

MD5
a9f5b06fae677c9eb5be8b37d5fb1cb9

SHA1
5c37b880a1479445dd583f85c58a8790584f595d

SHA256
4e9e93fd6486571e1b5dce381fa536fb6c5593584d3330368ccd47ee6107bf52

SHA512
5d7664716fa52f407d56771862262317ac7f4a03f31f209333c3eea7f1c8cf3d5dbafc1942122948d19208d023df220407014f47e57694e70480a878822b779a

Download Submit
\Users\Admin\AppData\Local\Temp\_MEI21682\api-ms-win-core-file-l2-1-0.dll

Filesize
22KB

MD5
cdfc83e189bda0ac9eab447671754e87

SHA1
cf597ee626366738d0ea1a1d8be245f26abbea72

SHA256
f4811f251c49c9ae75f9fe25890bacede852e4f1bfdc6685f49096253a43f007

SHA512
659ee46e210fcad6c778988a164ce3f69a137d05fb2699ff662540cbb281b38719017f1049d5189fafdae06c07a48d3d29dd98e11c1cae5d47768c243af37fe9

Download Submit
\Users\Admin\AppData\Local\Temp\_MEI21682\api-ms-win-core-localization-l1-2-0.dll

Filesize
22KB

MD5
f1d0595773886d101e684e772118d1ef

SHA1
290276053a75cbeb794441965284b18311ab355d

SHA256
040e1572da9a980392184b1315f27ebcdaf07a0d94ddf49cbd0d499f7cdb099a

SHA512
db57f4ae78f7062cfe392d6829c5975be91d0062ff06725c45c06a74e04ade8bcaf709cfebeba8146fb4396206141aa49572968ea240aa1cba909e43985dc3ee

Download Submit
\Users\Admin\AppData\Local\Temp\_MEI21682\api-ms-win-core-processthreads-l1-1-1.dll

Filesize
22KB

MD5
e26a5e364a76bf00feaab920c535adbb

SHA1
411eaf1ca1d8f1aebcd816d93933561c927f2754

SHA256
b3c0356f64e583c8aca3b1284c6133540a8a12f94b74568fb78ddc36eac6ab15

SHA512
333e42eeea07a46db46f222e27429facaaf2ce8a433f0c39f5d5c72e67d894c813d3cf77880434f6373e0d8fffa3ef96d5f37e38dd4775491f3da2b569e9df59

Download Submit
\Users\Admin\AppData\Local\Temp\_MEI21682\api-ms-win-core-timezone-l1-1-0.dll

Filesize
22KB

MD5
566232dabd645dcd37961d7ec8fde687

SHA1
88a7a8c777709ae4b6d47bed6678d0192eb3bc3f

SHA256
1290d332718c47961052ebc97a3a71db2c746a55c035a32b72e5ff00eb422f96

SHA512
e5d549c461859445006a4083763ce855adbb72cf9a0bcb8958daa99e20b1ca8a82dec12e1062787e2ae8aee94224b0c92171a4d99ed348b94eab921ede205220

Download Submit
memory/2972-100-0x000007FEF5B10000-0x000007FEF60F8000-memory.dmp

Filesize
5.9MB

Download