cb7c3584ba94658628515b154ed577ae29afb4592ebef8e1723a169804bbc81b

Analysis

max time kernel
120s
max time network
129s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
31-12-2023 13:47

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General

Target

38969f654f563235674655e0f8b41564.exe
Size

5.8MB
MD5

38969f654f563235674655e0f8b41564
SHA1

38ba48abc89c446e181b26c133244dbd1afd2ea4
SHA256

cb7c3584ba94658628515b154ed577ae29afb4592ebef8e1723a169804bbc81b
SHA512

1fa7de850d8294ce8c7da71644394094e0480907669bd5552d90e15a70e8b97cc99a4cfc078d2aad3d9a24a5fa091b6fe20a1fde5dc06f3d1deaf8bc3f7cde67
SSDEEP

98304:g5Y6dSrbILhbpl4HBUCczzM3G7azKOmNb0uMyZmIZ4HBUCczzM3:3mSrM58WC1KOmFmbTWC

Score

7^/10

upx

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2376	38969f654f563235674655e0f8b41564.exe

Executes dropped EXE 1 IoCs

pid	Process
2376	38969f654f563235674655e0f8b41564.exe

Loads dropped DLL 1 IoCs

pid	Process
1932	38969f654f563235674655e0f8b41564.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1932-0-0x0000000000400000-0x00000000008EF000-memory.dmp	upx
behavioral1/files/0x0008000000012248-15.dat	upx
behavioral1/memory/2376-16-0x0000000000400000-0x00000000008EF000-memory.dmp	upx
behavioral1/files/0x0008000000012248-10.dat	upx

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1932	38969f654f563235674655e0f8b41564.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1932	38969f654f563235674655e0f8b41564.exe
2376	38969f654f563235674655e0f8b41564.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1932 wrote to memory of 2376	1932	38969f654f563235674655e0f8b41564.exe	28
PID 1932 wrote to memory of 2376	1932	38969f654f563235674655e0f8b41564.exe	28
PID 1932 wrote to memory of 2376	1932	38969f654f563235674655e0f8b41564.exe	28
PID 1932 wrote to memory of 2376	1932	38969f654f563235674655e0f8b41564.exe	28

C:\Users\Admin\AppData\Local\Temp\38969f654f563235674655e0f8b41564.exe
"C:\Users\Admin\AppData\Local\Temp\38969f654f563235674655e0f8b41564.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1932
- C:\Users\Admin\AppData\Local\Temp\38969f654f563235674655e0f8b41564.exe
  C:\Users\Admin\AppData\Local\Temp\38969f654f563235674655e0f8b41564.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Suspicious use of UnmapMainImage
  PID:2376

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\38969f654f563235674655e0f8b41564.exe

Filesize
1.3MB

MD5
b4c852c485cc0a7fc13862d415f7fbed

SHA1
f212bd563f153bb1677675f501f39572ecfc0d22

SHA256
b30850608141f2f979d8bb62e6f5cf832c181b5f9b87cbf6bdede5b1386feb3c

SHA512
f6a47d7541601f9346c193a7f65ecbac0616c9009a1d9ad5fd3a2dd96b69218f1bea77a94bf38c0cc9b388bdbcb3a732c53980afaa00c72bb402ba1e6a5e5842

Download Submit
\Users\Admin\AppData\Local\Temp\38969f654f563235674655e0f8b41564.exe

Filesize
1.1MB

MD5
d4a569552e9d1e2b450b0d0314324a96

SHA1
b8430817d6ddca1080fb7363c2cc4a108778232d

SHA256
b6f4960d0ffd1d32d8cd23ab9a0162a1b959f690cc523a8307317438082cdbf7

SHA512
c93a6ccdfb3f519fbeb519971aaca960f12b1f8568a9e0ad1ecf1886f7a0abd8941ec3230c1e0b79b783316273686dbb551d1940b724c185e953d15466b6bd7e

Download Submit
memory/1932-13-0x0000000000400000-0x000000000062A000-memory.dmp

Filesize
2.2MB

Download
memory/1932-3-0x0000000001B20000-0x0000000001C53000-memory.dmp

Filesize
1.2MB

Download
memory/1932-14-0x0000000003F60000-0x000000000444F000-memory.dmp

Filesize
4.9MB

Download
memory/1932-0-0x0000000000400000-0x00000000008EF000-memory.dmp

Filesize
4.9MB

Download
memory/1932-1-0x0000000000400000-0x000000000062A000-memory.dmp

Filesize
2.2MB

Download
memory/1932-30-0x0000000003F60000-0x000000000444F000-memory.dmp

Filesize
4.9MB

Download
memory/2376-16-0x0000000000400000-0x00000000008EF000-memory.dmp

Filesize
4.9MB

Download
memory/2376-17-0x0000000001B20000-0x0000000001C53000-memory.dmp

Filesize
1.2MB

Download
memory/2376-18-0x0000000000400000-0x000000000062A000-memory.dmp

Filesize
2.2MB

Download
memory/2376-24-0x00000000035A0000-0x00000000037CA000-memory.dmp

Filesize
2.2MB

Download
memory/2376-23-0x0000000000400000-0x000000000061D000-memory.dmp

Filesize
2.1MB

Download
memory/2376-31-0x0000000000400000-0x00000000008EF000-memory.dmp

Filesize
4.9MB

Download