c899fead31f13beabc03aa0e6e701025fcd67759b58bc36b42fcee393efb1d56

Analysis

max time kernel
184s
max time network
191s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
24-11-2022 19:23

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General

Target

c899fead31f13beabc03aa0e6e701025fcd67759b58bc36b42fcee393efb1d56.exe
Size

920KB
MD5

2f1925fa314cc2c4c39c563f680d6076
SHA1

03c40bd66b6bcdc7ae92ee489904a5f762eef41d
SHA256

c899fead31f13beabc03aa0e6e701025fcd67759b58bc36b42fcee393efb1d56
SHA512

9a150084b2316bdeca2e4dca319801b0b25d0d1a06bf2be56e880f704e8a1f9950f6c1642f017f31887b0a6706747342e9e783e925548e92a7d82d84bf710e87
SSDEEP

24576:h1OYdaOIMtdHAqcdDVhYwiei7+EpFAh/kK31:h1OsNPHVmVhYwiLtKkKl

Score

8^/10

discovery spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

VYysz7NUju3dUBf.exe

pid process

1396 VYysz7NUju3dUBf.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

Drops Chrome extension 5 IoCs

Processes:

VYysz7NUju3dUBf.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\oemphkdopohdgmkaglchfegfoggcagbm\2.0\manifest.json	VYysz7NUju3dUBf.exe
File created	C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\oemphkdopohdgmkaglchfegfoggcagbm\2.0\manifest.json	VYysz7NUju3dUBf.exe
File created	C:\Users\DefaultAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\oemphkdopohdgmkaglchfegfoggcagbm\2.0\manifest.json	VYysz7NUju3dUBf.exe
File created	C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\oemphkdopohdgmkaglchfegfoggcagbm\2.0\manifest.json	VYysz7NUju3dUBf.exe
File created	C:\Users\WDAGUtilityAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\oemphkdopohdgmkaglchfegfoggcagbm\2.0\manifest.json	VYysz7NUju3dUBf.exe

Drops file in System32 directory 4 IoCs

Processes:

VYysz7NUju3dUBf.exe

description	ioc	process
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	VYysz7NUju3dUBf.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	VYysz7NUju3dUBf.exe
File opened for modification	C:\Windows\System32\GroupPolicy	VYysz7NUju3dUBf.exe
File opened for modification	C:\Windows\SysWOW64\GroupPolicy\gpt.ini	VYysz7NUju3dUBf.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

VYysz7NUju3dUBf.exe

pid	process
1396	VYysz7NUju3dUBf.exe
1396	VYysz7NUju3dUBf.exe
1396	VYysz7NUju3dUBf.exe
1396	VYysz7NUju3dUBf.exe
1396	VYysz7NUju3dUBf.exe
1396	VYysz7NUju3dUBf.exe
1396	VYysz7NUju3dUBf.exe
1396	VYysz7NUju3dUBf.exe
1396	VYysz7NUju3dUBf.exe
1396	VYysz7NUju3dUBf.exe
1396	VYysz7NUju3dUBf.exe
1396	VYysz7NUju3dUBf.exe
1396	VYysz7NUju3dUBf.exe
1396	VYysz7NUju3dUBf.exe
1396	VYysz7NUju3dUBf.exe
1396	VYysz7NUju3dUBf.exe
1396	VYysz7NUju3dUBf.exe
1396	VYysz7NUju3dUBf.exe
1396	VYysz7NUju3dUBf.exe
1396	VYysz7NUju3dUBf.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

VYysz7NUju3dUBf.exe

description	pid	process
Token: SeDebugPrivilege	1396	VYysz7NUju3dUBf.exe
Token: SeDebugPrivilege	1396	VYysz7NUju3dUBf.exe
Token: SeDebugPrivilege	1396	VYysz7NUju3dUBf.exe
Token: SeDebugPrivilege	1396	VYysz7NUju3dUBf.exe
Token: SeDebugPrivilege	1396	VYysz7NUju3dUBf.exe
Token: SeDebugPrivilege	1396	VYysz7NUju3dUBf.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

c899fead31f13beabc03aa0e6e701025fcd67759b58bc36b42fcee393efb1d56.exe

description	pid	process	target process
PID 4380 wrote to memory of 1396	4380	c899fead31f13beabc03aa0e6e701025fcd67759b58bc36b42fcee393efb1d56.exe	VYysz7NUju3dUBf.exe
PID 4380 wrote to memory of 1396	4380	c899fead31f13beabc03aa0e6e701025fcd67759b58bc36b42fcee393efb1d56.exe	VYysz7NUju3dUBf.exe
PID 4380 wrote to memory of 1396	4380	c899fead31f13beabc03aa0e6e701025fcd67759b58bc36b42fcee393efb1d56.exe	VYysz7NUju3dUBf.exe

C:\Users\Admin\AppData\Local\Temp\c899fead31f13beabc03aa0e6e701025fcd67759b58bc36b42fcee393efb1d56.exe
"C:\Users\Admin\AppData\Local\Temp\c899fead31f13beabc03aa0e6e701025fcd67759b58bc36b42fcee393efb1d56.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4380

C:\Users\Admin\AppData\Local\Temp\7zS271.tmp\VYysz7NUju3dUBf.exe
.\VYysz7NUju3dUBf.exe
2⤵
- Executes dropped EXE
- Drops Chrome extension
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1396

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
1⤵
PID:1924

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
1⤵
PID:1820

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\7zS271.tmp\[email protected]\bootstrap.js
Filesize
2KB

MD5
df13f711e20e9c80171846d4f2f7ae06

SHA1
56d29cda58427efe0e21d3880d39eb1b0ef60bee

SHA256
6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

SHA512
6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS271.tmp\[email protected]\chrome.manifest
Filesize
35B

MD5
71c521330226ec155ded57b728d6d2a4

SHA1
c8bea2290777b393b79e4619f8bc884586872600

SHA256
216bad8234d8dd84db994fdc7c28424d896dbc95b501a83fbd6b391e4e8d4dbf

SHA512
2a2c5c952e9dd07f20b880c8fdc009712661c935a57f7fc8d4ff9b7ca9d24391fa2e2d33fe061849a37bf3cf9041919d3f439c57df36f3845c4e2294cbe82854

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS271.tmp\[email protected]\content\bg.js
Filesize
8KB

MD5
9c5129bee8d7e09e1d6f2a74a7f4a5da

SHA1
9e7517788f37b8015695bb067a64b838d5d51de5

SHA256
656c8c9b4f12a09c397fdfb0f99be9de4b743426535a2f7d7d1f69994d774591

SHA512
b47f7bbee3a737c15237e9225a7970c8eccccdd97a395013b6446c2632395e5caf7f85c7cf481eda7ea8265fa80246a36f7755f911eb10aa0f2ddd6d2d13fb9d

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS271.tmp\[email protected]\install.rdf
Filesize
594B

MD5
0b4ad812c741cbbf6ac0ba775b02bc8f

SHA1
dc553499d209faf41fdd0bdb91164854c887e22d

SHA256
7bb66d986a49940e256a81e4d6c6f4a73cfaadb9cff8e153573fcf247f908a7b

SHA512
f54fff1c90fda028cb97325ee00461ad10f28b11198d9e8186e8715c62795c34e31c652db308e2be6e059a7fc1356943b049bb68290420a15c8b2fc959d80494

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS271.tmp\VYysz7NUju3dUBf.dat
Filesize
1KB

MD5
fc913bb6899abf5aa586706d6034d266

SHA1
2d8e039375d853d7a8263b91962407b392349c4a

SHA256
e673fd2e812855e85298d6328adbcf64ce52e90c175ef68c21d7d2dfc08aa38c

SHA512
2bf8dbe558e1a55971203bd94f400ab31447565bbde9468e5f0ff6fc3e2ce79294610addf7d5dddf721daf7699c33a9203a94bc86e21e735d8caf781e05d0e06

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS271.tmp\VYysz7NUju3dUBf.exe
Filesize
760KB

MD5
dcd148f6f3af3e3b0935c4fcc9f41811

SHA1
ee9bdbc7c568c7832d90b85921ab20030b6734cd

SHA256
f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4

SHA512
34be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS271.tmp\VYysz7NUju3dUBf.exe
Filesize
760KB

MD5
dcd148f6f3af3e3b0935c4fcc9f41811

SHA1
ee9bdbc7c568c7832d90b85921ab20030b6734cd

SHA256
f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4

SHA512
34be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS271.tmp\oemphkdopohdgmkaglchfegfoggcagbm\C6.js
Filesize
6KB

MD5
d56a35cb0b971f7a0262e302cf8d2600

SHA1
29754c4e81c9a95b700defc4911fe967f425eb3d

SHA256
7cf639b83bde36c7cb78c94ab647e68a0e28fc97b9319b5f27d8d67c2b95f95c

SHA512
3a1d7c6b3f6f577dbffea2fe71db8f52e0375cc89636dde590f1bb28f1819433f565f03c58eefa5f94ed0d2bee957da6e1c3d190bdab400f549431515c18ac33

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS271.tmp\oemphkdopohdgmkaglchfegfoggcagbm\background.html
Filesize
139B

MD5
ad01ddeb9b2a66376b5a5e5b34463699

SHA1
7631e54b54ae2be43e28f36f6bebfb2f28b4ce14

SHA256
3299807e001088d8a67fd55f988dcef93d98bf32fe64d636131380ff26451930

SHA512
6a0e183f22583a540c5c9fdb215ca274d8d504529ac553e5bb43b490f79b82b9350a8772ba309608a4abf3d2e12ec500c1164ac00bcbac332be5935276b1a53e

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS271.tmp\oemphkdopohdgmkaglchfegfoggcagbm\content.js
Filesize
144B

MD5
fca19198fd8af21016a8b1dec7980002

SHA1
fd01a47d14004e17a625efe66cc46a06c786cf40

SHA256
332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

SHA512
60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS271.tmp\oemphkdopohdgmkaglchfegfoggcagbm\lsdb.js
Filesize
531B

MD5
36d98318ab2b3b2585a30984db328afb

SHA1
f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

SHA256
ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

SHA512
6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS271.tmp\oemphkdopohdgmkaglchfegfoggcagbm\manifest.json
Filesize
498B

MD5
640199ea4621e34510de919f6a54436f

SHA1
dc65dbfad02bd2688030bd56ca1cab85917a9937

SHA256
e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

SHA512
d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

Download Submit
memory/1396-132-0x0000000000000000-mapping.dmp

Download