fbb6cb5e8bb44b9f44d7e8f99f887a47e06013bfef9500e64a670d11fb7aed80

Analysis

max time kernel
42s
max time network
48s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
24-11-2022 16:33

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General

Target

fbb6cb5e8bb44b9f44d7e8f99f887a47e06013bfef9500e64a670d11fb7aed80.exe
Size

920KB
MD5

faf8db5a63817853e01daa8f2494bd4c
SHA1

720d79ee1914c0fbf73c2d65a48b631afecc7f50
SHA256

fbb6cb5e8bb44b9f44d7e8f99f887a47e06013bfef9500e64a670d11fb7aed80
SHA512

d64c4a75a9285f46bcbb6a2c5c81dbe9d5fbf90ed792d80ac14b917aea0997a6f7c9adcb733ad854e293296bfe262bb656ec7f25965788566948b24230a47199
SSDEEP

24576:h1OYdaOfMtdHAqcdDVhYwiei7+EpFAh/kKi:h1OsWPHVmVhYwiLtKkKi

Score

8^/10

discovery spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

yWynyedby0f3Tbn.exe

pid process

1284 yWynyedby0f3Tbn.exe
Loads dropped DLL 1 IoCs

Processes:

fbb6cb5e8bb44b9f44d7e8f99f887a47e06013bfef9500e64a670d11fb7aed80.exe

pid process

1712 fbb6cb5e8bb44b9f44d7e8f99f887a47e06013bfef9500e64a670d11fb7aed80.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
1712	fbb6cb5e8bb44b9f44d7e8f99f887a47e06013bfef9500e64a670d11fb7aed80.exe

Drops Chrome extension 3 IoCs

Processes:

yWynyedby0f3Tbn.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\lcdacipjmoalkibamcdbpeblgacjopnb\2.0\manifest.json	yWynyedby0f3Tbn.exe
File created	C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\lcdacipjmoalkibamcdbpeblgacjopnb\2.0\manifest.json	yWynyedby0f3Tbn.exe
File created	C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\lcdacipjmoalkibamcdbpeblgacjopnb\2.0\manifest.json	yWynyedby0f3Tbn.exe

Drops file in System32 directory 4 IoCs

Processes:

yWynyedby0f3Tbn.exe

description	ioc	process
File opened for modification	C:\Windows\System32\GroupPolicy	yWynyedby0f3Tbn.exe
File opened for modification	C:\Windows\SysWOW64\GroupPolicy\gpt.ini	yWynyedby0f3Tbn.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	yWynyedby0f3Tbn.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	yWynyedby0f3Tbn.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

yWynyedby0f3Tbn.exe

pid	process
1284	yWynyedby0f3Tbn.exe
1284	yWynyedby0f3Tbn.exe
1284	yWynyedby0f3Tbn.exe
1284	yWynyedby0f3Tbn.exe
1284	yWynyedby0f3Tbn.exe
1284	yWynyedby0f3Tbn.exe
1284	yWynyedby0f3Tbn.exe
1284	yWynyedby0f3Tbn.exe
1284	yWynyedby0f3Tbn.exe
1284	yWynyedby0f3Tbn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

yWynyedby0f3Tbn.exe

description	pid	process
Token: SeDebugPrivilege	1284	yWynyedby0f3Tbn.exe
Token: SeDebugPrivilege	1284	yWynyedby0f3Tbn.exe
Token: SeDebugPrivilege	1284	yWynyedby0f3Tbn.exe
Token: SeDebugPrivilege	1284	yWynyedby0f3Tbn.exe
Token: SeDebugPrivilege	1284	yWynyedby0f3Tbn.exe
Token: SeDebugPrivilege	1284	yWynyedby0f3Tbn.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

fbb6cb5e8bb44b9f44d7e8f99f887a47e06013bfef9500e64a670d11fb7aed80.exe

description	pid	process	target process
PID 1712 wrote to memory of 1284	1712	fbb6cb5e8bb44b9f44d7e8f99f887a47e06013bfef9500e64a670d11fb7aed80.exe	yWynyedby0f3Tbn.exe
PID 1712 wrote to memory of 1284	1712	fbb6cb5e8bb44b9f44d7e8f99f887a47e06013bfef9500e64a670d11fb7aed80.exe	yWynyedby0f3Tbn.exe
PID 1712 wrote to memory of 1284	1712	fbb6cb5e8bb44b9f44d7e8f99f887a47e06013bfef9500e64a670d11fb7aed80.exe	yWynyedby0f3Tbn.exe
PID 1712 wrote to memory of 1284	1712	fbb6cb5e8bb44b9f44d7e8f99f887a47e06013bfef9500e64a670d11fb7aed80.exe	yWynyedby0f3Tbn.exe

C:\Users\Admin\AppData\Local\Temp\fbb6cb5e8bb44b9f44d7e8f99f887a47e06013bfef9500e64a670d11fb7aed80.exe
"C:\Users\Admin\AppData\Local\Temp\fbb6cb5e8bb44b9f44d7e8f99f887a47e06013bfef9500e64a670d11fb7aed80.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1712

C:\Users\Admin\AppData\Local\Temp\7zS256C.tmp\yWynyedby0f3Tbn.exe
.\yWynyedby0f3Tbn.exe
2⤵
- Executes dropped EXE
- Drops Chrome extension
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1284

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\7zS256C.tmp\[email protected]\bootstrap.js

Filesize
2KB

MD5
df13f711e20e9c80171846d4f2f7ae06

SHA1
56d29cda58427efe0e21d3880d39eb1b0ef60bee

SHA256
6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

SHA512
6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS256C.tmp\[email protected]\chrome.manifest

Filesize
35B

MD5
7f515e68c35509b24aac94d13181fea6

SHA1
671f19b417849250174a7d0f28b84b084afb1da1

SHA256
efb3bbb1871f2a642cdfaeec5cfaa2631c817816667806407cb6b7e815795306

SHA512
4f6df6831814de1e4128c2aa056a964e4cc2e2b17943543b273ae3a1981b05278c7852818ffefc60e5570f1c2910894e863d4cfb43e43835c2e82e1284c01711

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS256C.tmp\[email protected]\content\bg.js

Filesize
8KB

MD5
5d2c648b508656556eaff2ab621d6b4f

SHA1
31c8391bacc19f90b6b5b4e175ac7ea83a55b3ef

SHA256
7303a76a3423aac606196487e215fd6f05665d61afb943ef6afb85a8a3ff4033

SHA512
0262dd7c9a889bb41944bdf5a4193d3a474eec7749ceac983fbce8f5f0835baea77038306ea0e41ff1456be36ff8ef0862fbc233bb031de4da8de78ce82f69ae

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS256C.tmp\[email protected]\install.rdf

Filesize
593B

MD5
e566c6ca809988e90e339065fc00c0f3

SHA1
62ab345a7643795d523e01e5ddae827366409382

SHA256
92434bb0fa7e13ba2c2903fb6588faaf755d98b40d8c7672cc2bbf48590d19d6

SHA512
3dd6000b53e4da90bafdac4c1ff804104891ed20cb5b00f301219ddf64d10132f90c7b75e638d1dfcfccf0013d6b2a00aed9eb777d61f1d5707a1ab5863254e8

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS256C.tmp\lcdacipjmoalkibamcdbpeblgacjopnb\GNNOQtK0g7.js

Filesize
6KB

MD5
3e617650ca2dd69bb3a8c38c0c82dd52

SHA1
1c78e018e773f32173b2303c920767116009d916

SHA256
6a0017c8a832b7803f5e5e82512accdaa6b6717aa3c9c1700a487d9641b652d6

SHA512
da6f19019daa0a71e88fb64e2325c78f9f8a78420ce8c84e59afe1c1736ce1bc13874bc9620b0026a67e55e389c93145a35f1dddbf32d369afa18674bc9f25c4

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS256C.tmp\lcdacipjmoalkibamcdbpeblgacjopnb\background.html

Filesize
147B

MD5
2fb64ced6857778e21558586c7442106

SHA1
2b8875c50dc08ddd33216ac7144afd4310d7b4a9

SHA256
a755c906373606a98083c14f4fe6521a72e9d81697f593e112cfb79af0bdfdf7

SHA512
1061ab2de4b31d9250978039cd66341db8b37149059768f688dec4be86c109ecf5f7dd474fb5c89a475bffc47d86df5be1b26b3af7f08846949e4394d87fc2a7

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS256C.tmp\lcdacipjmoalkibamcdbpeblgacjopnb\content.js

Filesize
144B

MD5
fca19198fd8af21016a8b1dec7980002

SHA1
fd01a47d14004e17a625efe66cc46a06c786cf40

SHA256
332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

SHA512
60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS256C.tmp\lcdacipjmoalkibamcdbpeblgacjopnb\lsdb.js

Filesize
531B

MD5
36d98318ab2b3b2585a30984db328afb

SHA1
f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

SHA256
ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

SHA512
6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS256C.tmp\lcdacipjmoalkibamcdbpeblgacjopnb\manifest.json

Filesize
498B

MD5
640199ea4621e34510de919f6a54436f

SHA1
dc65dbfad02bd2688030bd56ca1cab85917a9937

SHA256
e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

SHA512
d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS256C.tmp\yWynyedby0f3Tbn.dat

Filesize
1KB

MD5
b293e608646c49da92a63b22681fd10d

SHA1
cc4501296d3a80aa7db857144d728543a6ad5a75

SHA256
790495654d96c7d577abe595cdb8997e93d214c10cd0456a9ef74e557f00f03c

SHA512
10a5be3e784dba3886391236e5346717205a8fb36f999e20864eff46986a8dff9890da1bd6862fe13e1a2bbc54f6c0d555ce73b1c0a3c1f4396f5dd8e79b65bf

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS256C.tmp\yWynyedby0f3Tbn.exe

Filesize
760KB

MD5
dcd148f6f3af3e3b0935c4fcc9f41811

SHA1
ee9bdbc7c568c7832d90b85921ab20030b6734cd

SHA256
f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4

SHA512
34be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886

Download Submit
\Users\Admin\AppData\Local\Temp\7zS256C.tmp\yWynyedby0f3Tbn.exe

Filesize
760KB

MD5
dcd148f6f3af3e3b0935c4fcc9f41811

SHA1
ee9bdbc7c568c7832d90b85921ab20030b6734cd

SHA256
f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4

SHA512
34be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886

Download Submit
memory/1284-56-0x0000000000000000-mapping.dmp

Download
memory/1712-54-0x00000000765B1000-0x00000000765B3000-memory.dmp

Filesize
8KB

Download