a2857d2fca514533753317608e03631a0ab13fe327779f17bc41269b566fde15

Analysis

max time kernel
141s
max time network
149s
platform
windows10-1703_x64
resource
win10-20231129-en
resource tags

arch:x64arch:x86image:win10-20231129-enlocale:en-usos:windows10-1703-x64system
submitted
11/12/2023, 09:56

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General

Target

a2857d2fca514533753317608e03631a0ab13fe327779f17bc41269b566fde15.exe
Size

6.9MB
MD5

a69bd855814aa09b3561316a7db76bd7
SHA1

b2b75246e0b230d3a1e04e09e2dbb2c6d60d437e
SHA256

a2857d2fca514533753317608e03631a0ab13fe327779f17bc41269b566fde15
SHA512

aea4765b451987bd96c68c65bd5613a2f7778827b7be897ceb35234827ca5758081e2fd9dda02f3984b88ba30a89e2cab8eafc71afc540cd557a33446806da51
SSDEEP

98304:iCtQAsI29jHcxWjRTp6azZzB8hi4ZoEiAmP+xhctqd60dVADjhSF1O8lw3kBL7l7:PstjRJ/4ZoSQQhtd6sWDlSrM0BLRrzj

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3440	a2857d2fca514533753317608e03631a0ab13fe327779f17bc41269b566fde15.tmp

Loads dropped DLL 3 IoCs

pid	Process
3440	a2857d2fca514533753317608e03631a0ab13fe327779f17bc41269b566fde15.tmp
3440	a2857d2fca514533753317608e03631a0ab13fe327779f17bc41269b566fde15.tmp
3440	a2857d2fca514533753317608e03631a0ab13fe327779f17bc41269b566fde15.tmp

Drops file in Program Files directory 5 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\WMAFormat\uninstall\unins000.dat	a2857d2fca514533753317608e03631a0ab13fe327779f17bc41269b566fde15.tmp
File created	C:\Program Files (x86)\WMAFormat\uninstall\is-H8BPR.tmp	a2857d2fca514533753317608e03631a0ab13fe327779f17bc41269b566fde15.tmp
File created	C:\Program Files (x86)\WMAFormat\stuff\is-CCULV.tmp	a2857d2fca514533753317608e03631a0ab13fe327779f17bc41269b566fde15.tmp
File created	C:\Program Files (x86)\WMAFormat\stuff\is-HT7TP.tmp	a2857d2fca514533753317608e03631a0ab13fe327779f17bc41269b566fde15.tmp
File created	C:\Program Files (x86)\WMAFormat\stuff\is-SGKD3.tmp	a2857d2fca514533753317608e03631a0ab13fe327779f17bc41269b566fde15.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3440	a2857d2fca514533753317608e03631a0ab13fe327779f17bc41269b566fde15.tmp

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3692 wrote to memory of 3440	3692	a2857d2fca514533753317608e03631a0ab13fe327779f17bc41269b566fde15.exe	74
PID 3692 wrote to memory of 3440	3692	a2857d2fca514533753317608e03631a0ab13fe327779f17bc41269b566fde15.exe	74
PID 3692 wrote to memory of 3440	3692	a2857d2fca514533753317608e03631a0ab13fe327779f17bc41269b566fde15.exe	74

C:\Users\Admin\AppData\Local\Temp\a2857d2fca514533753317608e03631a0ab13fe327779f17bc41269b566fde15.exe
"C:\Users\Admin\AppData\Local\Temp\a2857d2fca514533753317608e03631a0ab13fe327779f17bc41269b566fde15.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3692
- C:\Users\Admin\AppData\Local\Temp\is-S34QT.tmp\a2857d2fca514533753317608e03631a0ab13fe327779f17bc41269b566fde15.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-S34QT.tmp\a2857d2fca514533753317608e03631a0ab13fe327779f17bc41269b566fde15.tmp" /SL5="$5022A,6990075,68096,C:\Users\Admin\AppData\Local\Temp\a2857d2fca514533753317608e03631a0ab13fe327779f17bc41269b566fde15.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of FindShellTrayWindow
  PID:3440

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\is-S34QT.tmp\a2857d2fca514533753317608e03631a0ab13fe327779f17bc41269b566fde15.tmp

Filesize
687KB

MD5
f448d7f4b76e5c9c3a4eaff16a8b9b73

SHA1
31808f1ffa84c954376975b7cdb0007e6b762488

SHA256
7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

SHA512
f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

Download Submit
\Users\Admin\AppData\Local\Temp\is-9HKU9.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-9HKU9.tmp\_isetup\_isdecmp.dll

Filesize
19KB

MD5
3adaa386b671c2df3bae5b39dc093008

SHA1
067cf95fbdb922d81db58432c46930f86d23dded

SHA256
71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

SHA512
bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

Download Submit
memory/3440-7-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/3440-34-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/3440-37-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/3692-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/3692-2-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/3692-33-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download