b05304400a396995a0a1071639da8aa2edeae273b2baaf0d5562e26e121c5053

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
18-03-2024 20:06

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General

Target

d4675b6afd2e4bf317d840d3e597e21c.exe
Size

1.8MB
MD5

d4675b6afd2e4bf317d840d3e597e21c
SHA1

0e9143cf72bf8a6386416adfec5c694756db5602
SHA256

b05304400a396995a0a1071639da8aa2edeae273b2baaf0d5562e26e121c5053
SHA512

fbbf44249b98460c037aef5c4ce87ef2803f406061ed729c5f0187b42346e39a885826990fe30cbb4a4007f7732e8204f9143c78804f4371fc22479d6c40f8a0
SSDEEP

49152:b10WjYmQOuKtsS0i1YscooE4iqJyLZVkVbhOwP:p0SQZKtsS0i1Yd4othOm

Score

7^/10

upx

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2432	d4675b6afd2e4bf317d840d3e597e21c.exe

Executes dropped EXE 1 IoCs

pid	Process
2432	d4675b6afd2e4bf317d840d3e597e21c.exe

Loads dropped DLL 1 IoCs

pid	Process
1740	d4675b6afd2e4bf317d840d3e597e21c.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1740-1-0x0000000000400000-0x00000000008EF000-memory.dmp	upx
behavioral1/files/0x000a000000012255-10.dat	upx

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1740	d4675b6afd2e4bf317d840d3e597e21c.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1740	d4675b6afd2e4bf317d840d3e597e21c.exe
2432	d4675b6afd2e4bf317d840d3e597e21c.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1740 wrote to memory of 2432	1740	d4675b6afd2e4bf317d840d3e597e21c.exe	28
PID 1740 wrote to memory of 2432	1740	d4675b6afd2e4bf317d840d3e597e21c.exe	28
PID 1740 wrote to memory of 2432	1740	d4675b6afd2e4bf317d840d3e597e21c.exe	28
PID 1740 wrote to memory of 2432	1740	d4675b6afd2e4bf317d840d3e597e21c.exe	28

C:\Users\Admin\AppData\Local\Temp\d4675b6afd2e4bf317d840d3e597e21c.exe
"C:\Users\Admin\AppData\Local\Temp\d4675b6afd2e4bf317d840d3e597e21c.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1740
- C:\Users\Admin\AppData\Local\Temp\d4675b6afd2e4bf317d840d3e597e21c.exe
  C:\Users\Admin\AppData\Local\Temp\d4675b6afd2e4bf317d840d3e597e21c.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Suspicious use of UnmapMainImage
  PID:2432

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\d4675b6afd2e4bf317d840d3e597e21c.exe

Filesize
1.8MB

MD5
92a5eaefe639d7fcec365c637f8986b8

SHA1
0fbe9b0f4d66eeb7b91a3ab21841b1a80ecb9d44

SHA256
7d61911d6a953f15dba3a29458e1fc10ab63649086b51df1d65457be522c2049

SHA512
0cffe293d5cc130c80620d2fdff301c0d9e67d9df18dff64bd9e77daf898bacb45be6e6ab03ec84ef5576a37ecd89a6fd9d8ce804bfd495c40a3d20529993d0d

Download Submit
memory/1740-31-0x0000000003740000-0x0000000003C2F000-memory.dmp

Filesize
4.9MB

Download
memory/1740-0-0x0000000000400000-0x000000000062A000-memory.dmp

Filesize
2.2MB

Download
memory/1740-3-0x0000000001B20000-0x0000000001C53000-memory.dmp

Filesize
1.2MB

Download
memory/1740-15-0x0000000003740000-0x0000000003C2F000-memory.dmp

Filesize
4.9MB

Download
memory/1740-14-0x0000000000400000-0x000000000062A000-memory.dmp

Filesize
2.2MB

Download
memory/1740-1-0x0000000000400000-0x00000000008EF000-memory.dmp

Filesize
4.9MB

Download
memory/2432-17-0x0000000000400000-0x00000000008EF000-memory.dmp

Filesize
4.9MB

Download
memory/2432-19-0x0000000001B20000-0x0000000001C53000-memory.dmp

Filesize
1.2MB

Download
memory/2432-23-0x0000000000400000-0x000000000061D000-memory.dmp

Filesize
2.1MB

Download
memory/2432-24-0x0000000003410000-0x000000000363A000-memory.dmp

Filesize
2.2MB

Download
memory/2432-16-0x0000000000400000-0x000000000062A000-memory.dmp

Filesize
2.2MB

Download
memory/2432-32-0x0000000000400000-0x00000000008EF000-memory.dmp

Filesize
4.9MB

Download