c8af0ef9f13180cc0f4b57c54eda024f102a3ec28e4c6288a162dc7540d51c2e

Analysis

max time kernel
198s
max time network
206s
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

c8af0ef9f13180cc0f4b57c54eda024f102a3ec28e4c6288a162dc7540d51c2e.exe
Size

931KB
MD5

c7751c9253fb3d49a14f72561cdd0adc
SHA1

f38727311bfb62bff966c032d05e3821f0788bac
SHA256

c8af0ef9f13180cc0f4b57c54eda024f102a3ec28e4c6288a162dc7540d51c2e
SHA512

c2cbd4987d89735028c2e599603dbc97ee05db31d6413347e2e8ddfb04d9778a2d7d974e7d4180104844ccdb76e649d4f88ae491163471998ef9ac12498c1766
SSDEEP

24576:h1OYdaO7CZ/iWCvu/2sWsJA/jlt+DHhsX:h1Os5CpYO/dJJDHhsX

Score

8^/10

discovery spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

tstrGiXAejmByno.exe

pid process

3608 tstrGiXAejmByno.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:

tstrGiXAejmByno.exe

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

Drops file in System32 directory 4 IoCs

Processes:

tstrGiXAejmByno.exe

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

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

tstrGiXAejmByno.exe

pid	process
3608	tstrGiXAejmByno.exe
3608	tstrGiXAejmByno.exe
3608	tstrGiXAejmByno.exe
3608	tstrGiXAejmByno.exe
3608	tstrGiXAejmByno.exe
3608	tstrGiXAejmByno.exe
3608	tstrGiXAejmByno.exe
3608	tstrGiXAejmByno.exe
3608	tstrGiXAejmByno.exe
3608	tstrGiXAejmByno.exe
3608	tstrGiXAejmByno.exe
3608	tstrGiXAejmByno.exe
3608	tstrGiXAejmByno.exe
3608	tstrGiXAejmByno.exe
3608	tstrGiXAejmByno.exe
3608	tstrGiXAejmByno.exe
3608	tstrGiXAejmByno.exe
3608	tstrGiXAejmByno.exe
3608	tstrGiXAejmByno.exe
3608	tstrGiXAejmByno.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

tstrGiXAejmByno.exe

description	pid	process
Token: SeDebugPrivilege	3608	tstrGiXAejmByno.exe
Token: SeDebugPrivilege	3608	tstrGiXAejmByno.exe
Token: SeDebugPrivilege	3608	tstrGiXAejmByno.exe
Token: SeDebugPrivilege	3608	tstrGiXAejmByno.exe
Token: SeDebugPrivilege	3608	tstrGiXAejmByno.exe
Token: SeDebugPrivilege	3608	tstrGiXAejmByno.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

c8af0ef9f13180cc0f4b57c54eda024f102a3ec28e4c6288a162dc7540d51c2e.exe

description	pid	process	target process
PID 4480 wrote to memory of 3608	4480	c8af0ef9f13180cc0f4b57c54eda024f102a3ec28e4c6288a162dc7540d51c2e.exe	tstrGiXAejmByno.exe
PID 4480 wrote to memory of 3608	4480	c8af0ef9f13180cc0f4b57c54eda024f102a3ec28e4c6288a162dc7540d51c2e.exe	tstrGiXAejmByno.exe
PID 4480 wrote to memory of 3608	4480	c8af0ef9f13180cc0f4b57c54eda024f102a3ec28e4c6288a162dc7540d51c2e.exe	tstrGiXAejmByno.exe

C:\Users\Admin\AppData\Local\Temp\c8af0ef9f13180cc0f4b57c54eda024f102a3ec28e4c6288a162dc7540d51c2e.exe
"C:\Users\Admin\AppData\Local\Temp\c8af0ef9f13180cc0f4b57c54eda024f102a3ec28e4c6288a162dc7540d51c2e.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4480

C:\Users\Admin\AppData\Local\Temp\7zS51C9.tmp\tstrGiXAejmByno.exe
.\tstrGiXAejmByno.exe
2⤵
- Executes dropped EXE
- Drops Chrome extension
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3608

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
1⤵
PID:3324

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
1⤵
PID:428

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\7zS51C9.tmp\[email protected]\bootstrap.js
Filesize
2KB

MD5
df13f711e20e9c80171846d4f2f7ae06

SHA1
56d29cda58427efe0e21d3880d39eb1b0ef60bee

SHA256
6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

SHA512
6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS51C9.tmp\[email protected]\chrome.manifest
Filesize
35B

MD5
7da43a1a0521709862715c1381ba9024

SHA1
695e9d0af7d97792fb688db95e6ae8305017d294

SHA256
c10858c3f84c410373348223893ac748324dc079c4d090153284b56fc057e597

SHA512
5c3e491c5f9804ba5a82fd24a25ecd34705fa28e927d888361dc62c0c7bae42d6ec267611fc6bb9d15c5401144c4aaa65ec7b291954a681559e474a28dcc10c0

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS51C9.tmp\[email protected]\content\bg.js
Filesize
8KB

MD5
820c4654b0e1aae5084e9ad739f0a0c1

SHA1
40fe2e6b67d1ca0371fd1d8c32a69c6fec9945c2

SHA256
37b07c0b0f1a236415c0b276ff52bed52b03fe582e393b8c310fe84227f9ada2

SHA512
b131c73951db482f67ef0a573fbd9f971aaab7163ab79cb30c8909aebfe46ed44b014ac6fb06a755e4db2ee43e1c31cfecc8caea2ad3def99e272246d1eae8d1

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS51C9.tmp\[email protected]\install.rdf
Filesize
591B

MD5
63da0a9b398ab0d9f5be467b855a65d2

SHA1
d1920d9618fdd5f9539c74e33f6286f1dffb88f4

SHA256
3ab7a246afa2d017ce40b787206f03254ddeaaba365aff055deb8f577e19963d

SHA512
f2f78661ee21714e6fb8c14ea1efdec535c1805e6483380b24589b37913f10f65cfe026bbd0f05d2e22ad1445d31eb7ef9bef3a993ac2e6a778bf0d7abaede35

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS51C9.tmp\ipmeiaaklfelpblcmgcpphkkinlofnbg\BQd0d5V3Z.js
Filesize
6KB

MD5
f87542e61217e72cca1e04f90e628e3f

SHA1
d04d27b2d4d3e1f7dba73160f76cdf39e9fd111f

SHA256
5037820c887d8ca1aeb8249bf20e4cd5fbf58b540fe1ae69859d13d092f749b9

SHA512
a46a45d3e3d9c6cc3a5159d8f030f05ae3f2281e9224a80e76649b1af1bd5936674c89f5cfd76b46b58e26f64da40a02597bef8bd8322662115bf3ff6ae21723

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS51C9.tmp\ipmeiaaklfelpblcmgcpphkkinlofnbg\background.html
Filesize
146B

MD5
e4afc1573483ab51e6fd5a4f559a49a0

SHA1
68f94d849317fa2c452640078b46b179b6cb1ee1

SHA256
f75e87f3b0ee49e18dc4d79521a72a182be139fb33a133ec9c3cda8756332e22

SHA512
ef7bd8d8faaf5f46ae145b73b72f7be3a5613e9e29292617c137d0e9a3c5979cff70c4a43772f3a70ba07e51aeead3823f8e65d5ab478307e0a99945308ec9c1

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS51C9.tmp\ipmeiaaklfelpblcmgcpphkkinlofnbg\content.js
Filesize
144B

MD5
fca19198fd8af21016a8b1dec7980002

SHA1
fd01a47d14004e17a625efe66cc46a06c786cf40

SHA256
332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

SHA512
60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS51C9.tmp\ipmeiaaklfelpblcmgcpphkkinlofnbg\lsdb.js
Filesize
531B

MD5
36d98318ab2b3b2585a30984db328afb

SHA1
f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

SHA256
ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

SHA512
6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS51C9.tmp\ipmeiaaklfelpblcmgcpphkkinlofnbg\manifest.json
Filesize
498B

MD5
640199ea4621e34510de919f6a54436f

SHA1
dc65dbfad02bd2688030bd56ca1cab85917a9937

SHA256
e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

SHA512
d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS51C9.tmp\tstrGiXAejmByno.dat
Filesize
1KB

MD5
429574e995ce578d1269b88087c7d901

SHA1
188de66ce6b651935f8f011c204d574d8a1f5604

SHA256
3dbb83e06ce2910c95bcec2ed5d8d49fe321e4c03a95adcc4bc390adb13488ed

SHA512
efaabc5c77c17d5173c29e724e4f763c6b65c63d2acef9f915cd7644a3304afc8abb8143f8525f22de9938ef206f9c88d5551c1b28e20a6cc69907e43a180964

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS51C9.tmp\tstrGiXAejmByno.exe
Filesize
772KB

MD5
5ed7019dcd0008dbcd8e54017b8c7dd9

SHA1
7e4457da2ff06c2170bad636c9eb7c1bb436fd06

SHA256
7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

SHA512
10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS51C9.tmp\tstrGiXAejmByno.exe
Filesize
772KB

MD5
5ed7019dcd0008dbcd8e54017b8c7dd9

SHA1
7e4457da2ff06c2170bad636c9eb7c1bb436fd06

SHA256
7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

SHA512
10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

Download Submit
memory/3608-132-0x0000000000000000-mapping.dmp

Download