a50fbbfde780de4035a88e7932b9bb7caca6a15b22daa02235325bca2299dee3

Analysis

max time kernel
43s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
24-11-2022 21:16

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General

Target

a50fbbfde780de4035a88e7932b9bb7caca6a15b22daa02235325bca2299dee3.exe
Size

932KB
MD5

9a1e03dcf6d9482e3d575bbad7214510
SHA1

ff37384e598b14e718512343caff2b6563536853
SHA256

a50fbbfde780de4035a88e7932b9bb7caca6a15b22daa02235325bca2299dee3
SHA512

0776b1245f30af98540dbdc5f71c4cfca3b3f4669208c386fa8d11522e4a4b4aff98c0813d2c90576d95356e20ef24064eba7b0742db21ae0c1fd90053120cb4
SSDEEP

24576:h1OYdaO3CZ/iWCvu/2sWsJA/jlt+DHhsR:h1OsRCpYO/dJJDHhsR

Score

8^/10

discovery spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

8V8kyUruWWLfUxN.exe

pid process

304 8V8kyUruWWLfUxN.exe
Loads dropped DLL 1 IoCs

Processes:

a50fbbfde780de4035a88e7932b9bb7caca6a15b22daa02235325bca2299dee3.exe

pid process

900 a50fbbfde780de4035a88e7932b9bb7caca6a15b22daa02235325bca2299dee3.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

pid	process
900	a50fbbfde780de4035a88e7932b9bb7caca6a15b22daa02235325bca2299dee3.exe

Drops Chrome extension 3 IoCs

Processes:

8V8kyUruWWLfUxN.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\bigkbpnjddkchkggjcnmlkpdonehjdjf\2.0\manifest.json	8V8kyUruWWLfUxN.exe
File created	C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\bigkbpnjddkchkggjcnmlkpdonehjdjf\2.0\manifest.json	8V8kyUruWWLfUxN.exe
File created	C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\bigkbpnjddkchkggjcnmlkpdonehjdjf\2.0\manifest.json	8V8kyUruWWLfUxN.exe

Drops file in System32 directory 4 IoCs

Processes:

8V8kyUruWWLfUxN.exe

description	ioc	process
File opened for modification	C:\Windows\System32\GroupPolicy	8V8kyUruWWLfUxN.exe
File opened for modification	C:\Windows\SysWOW64\GroupPolicy\gpt.ini	8V8kyUruWWLfUxN.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	8V8kyUruWWLfUxN.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	8V8kyUruWWLfUxN.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

8V8kyUruWWLfUxN.exe

pid	process
304	8V8kyUruWWLfUxN.exe
304	8V8kyUruWWLfUxN.exe
304	8V8kyUruWWLfUxN.exe
304	8V8kyUruWWLfUxN.exe
304	8V8kyUruWWLfUxN.exe
304	8V8kyUruWWLfUxN.exe
304	8V8kyUruWWLfUxN.exe
304	8V8kyUruWWLfUxN.exe
304	8V8kyUruWWLfUxN.exe
304	8V8kyUruWWLfUxN.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

8V8kyUruWWLfUxN.exe

description	pid	process
Token: SeDebugPrivilege	304	8V8kyUruWWLfUxN.exe
Token: SeDebugPrivilege	304	8V8kyUruWWLfUxN.exe
Token: SeDebugPrivilege	304	8V8kyUruWWLfUxN.exe
Token: SeDebugPrivilege	304	8V8kyUruWWLfUxN.exe
Token: SeDebugPrivilege	304	8V8kyUruWWLfUxN.exe
Token: SeDebugPrivilege	304	8V8kyUruWWLfUxN.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

a50fbbfde780de4035a88e7932b9bb7caca6a15b22daa02235325bca2299dee3.exe

description	pid	process	target process
PID 900 wrote to memory of 304	900	a50fbbfde780de4035a88e7932b9bb7caca6a15b22daa02235325bca2299dee3.exe	8V8kyUruWWLfUxN.exe
PID 900 wrote to memory of 304	900	a50fbbfde780de4035a88e7932b9bb7caca6a15b22daa02235325bca2299dee3.exe	8V8kyUruWWLfUxN.exe
PID 900 wrote to memory of 304	900	a50fbbfde780de4035a88e7932b9bb7caca6a15b22daa02235325bca2299dee3.exe	8V8kyUruWWLfUxN.exe
PID 900 wrote to memory of 304	900	a50fbbfde780de4035a88e7932b9bb7caca6a15b22daa02235325bca2299dee3.exe	8V8kyUruWWLfUxN.exe

C:\Users\Admin\AppData\Local\Temp\a50fbbfde780de4035a88e7932b9bb7caca6a15b22daa02235325bca2299dee3.exe
"C:\Users\Admin\AppData\Local\Temp\a50fbbfde780de4035a88e7932b9bb7caca6a15b22daa02235325bca2299dee3.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:900

C:\Users\Admin\AppData\Local\Temp\7zSCBE.tmp\8V8kyUruWWLfUxN.exe
.\8V8kyUruWWLfUxN.exe
2⤵
- Executes dropped EXE
- Drops Chrome extension
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:304

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\7zSCBE.tmp\8V8kyUruWWLfUxN.dat

Filesize
1KB

MD5
8411904d70bb6b389fd0e972bb112453

SHA1
23b1aca2158d41c936776a06eb208a931589b7eb

SHA256
08e8235c7cb8229d28b366059bd5f6d49e9030c2181aab619230c3cc5ee613a4

SHA512
e3ba3808beb35608bd1649847252658435c0a9ef91177342aaaa5b4d34cce447ca7fae4f6857da66cbd6e9a6203549767cfdca84c3ea7a603d2707b41e29b13f

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSCBE.tmp\8V8kyUruWWLfUxN.exe

Filesize
772KB

MD5
5ed7019dcd0008dbcd8e54017b8c7dd9

SHA1
7e4457da2ff06c2170bad636c9eb7c1bb436fd06

SHA256
7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

SHA512
10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSCBE.tmp\[email protected]\bootstrap.js

Filesize
2KB

MD5
df13f711e20e9c80171846d4f2f7ae06

SHA1
56d29cda58427efe0e21d3880d39eb1b0ef60bee

SHA256
6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

SHA512
6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSCBE.tmp\[email protected]\chrome.manifest

Filesize
35B

MD5
74f1d584c2e9898af85efbe8b942d713

SHA1
74bdda885d485071e94fd8234a56ab63b00a1829

SHA256
a653cbf7ddd4d69491749a44208daf52b793158c61a4a1dc5e6d7dd002c69712

SHA512
4ec840029ecb072a102869f1dc1a5ad023c5ef67c0162462a259414687a7d711a0732a555c45a7dcb2b8e8d91b3f710a775532afe4544428b493b4f33cde473d

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSCBE.tmp\[email protected]\content\bg.js

Filesize
9KB

MD5
f25d044685e4cb6d92f3ca50531c6a1a

SHA1
5514464333e619ebbd7c130ffaf51e6842ac2d53

SHA256
354d2bf211f5b063fd0182d29ec4c4cd1d7143bb30ec681aaa13336da8e3a150

SHA512
f6d5b477dffe844268e46be5aad752ff4499320263825830bd833ca5b7597710b29b3104e10234b2716036807552269927d8ef716cde3455d54eb8b53594a739

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSCBE.tmp\[email protected]\install.rdf

Filesize
590B

MD5
ad80112b4f851db7f6733fdb3b4ea39e

SHA1
935b2b9cf72235703f87bd3648d3233e489dbc4a

SHA256
bdd95ab57e63484fdfe2fc198c90a02dd6a87873abf7cc5c835be2f854467abe

SHA512
4740257baa0b4e115cfb5d560d49e0aee89f9f9d3b7cbcb23f7b1492058cc564524387e7f66a725169986e4ad10906b0eed3db33736fcb391e22dc7fc2743320

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSCBE.tmp\bigkbpnjddkchkggjcnmlkpdonehjdjf\background.html

Filesize
144B

MD5
4fdc900a736164de9c1c5f76c6b8d833

SHA1
71dc3bc97a95958b40d47f6c83cf0ad6d6a34ab5

SHA256
0a8bc1e1fa34b174f99f2b0ee0d89b975d1e77ec628bb920e5bedef59e2ef72c

SHA512
fcec6fd8663f66e61e21bb38c1b10b6fbfb5d0821ff564c99d133d8c24290313722d18a135dcce68e4fb59cca3c13f176e32dd54548f30a3d021b088fed5b12d

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSCBE.tmp\bigkbpnjddkchkggjcnmlkpdonehjdjf\content.js

Filesize
144B

MD5
fca19198fd8af21016a8b1dec7980002

SHA1
fd01a47d14004e17a625efe66cc46a06c786cf40

SHA256
332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

SHA512
60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSCBE.tmp\bigkbpnjddkchkggjcnmlkpdonehjdjf\lsdb.js

Filesize
531B

MD5
36d98318ab2b3b2585a30984db328afb

SHA1
f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

SHA256
ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

SHA512
6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSCBE.tmp\bigkbpnjddkchkggjcnmlkpdonehjdjf\manifest.json

Filesize
498B

MD5
640199ea4621e34510de919f6a54436f

SHA1
dc65dbfad02bd2688030bd56ca1cab85917a9937

SHA256
e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

SHA512
d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSCBE.tmp\bigkbpnjddkchkggjcnmlkpdonehjdjf\tu9Xfv7.js

Filesize
6KB

MD5
c5503a9643055a26548040655d36b266

SHA1
b73b8b24dc38a79497a04f167b7f8523938a7ea1

SHA256
4ffc23b0ff38114539e5949b80b2f601f0d3740927aad046f043df54acc2c008

SHA512
303b69891a189cbb18e28541e91674de73fcd0ad4ceb7eb682cd21994d6f0b12dc8c356268cddda31756e37d701065c4d7633ed6be7723585fa61db43b19a59e

Download Submit
\Users\Admin\AppData\Local\Temp\7zSCBE.tmp\8V8kyUruWWLfUxN.exe

Filesize
772KB

MD5
5ed7019dcd0008dbcd8e54017b8c7dd9

SHA1
7e4457da2ff06c2170bad636c9eb7c1bb436fd06

SHA256
7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

SHA512
10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

Download Submit
memory/304-56-0x0000000000000000-mapping.dmp

Download
memory/900-54-0x0000000076121000-0x0000000076123000-memory.dmp

Filesize
8KB

Download