c8b9164644960aa18ebc691cfa9a6bbb6ac5bee0d54a3d1e3b623c45703bd3de

Analysis

max time kernel
130s
max time network
131s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
24-11-2022 19:23

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General

Target

c8b9164644960aa18ebc691cfa9a6bbb6ac5bee0d54a3d1e3b623c45703bd3de.exe
Size

931KB
MD5

78a1f9a0fe8c3c639175e65b5a638c4f
SHA1

8d4a5905eb02548d2bed4e0c122c4e2c7c2cd72f
SHA256

c8b9164644960aa18ebc691cfa9a6bbb6ac5bee0d54a3d1e3b623c45703bd3de
SHA512

cd863ca0529c24d3c288e701c4a5c2ccde5c574ae9203c0be06b53a5f3332be1093915bcf92344882d487dbe9a9c1cccbb42d69781c9c9d6c91002a4eb7d0b49
SSDEEP

24576:h1OYdaONCZ/iWCvu/2sWsJA/jlt+DHhs6:h1OsrCpYO/dJJDHhs6

Score

8^/10

discovery spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

kN35Nrk2l41NDTW.exe

pid process

1988 kN35Nrk2l41NDTW.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:

kN35Nrk2l41NDTW.exe

description	ioc	process
File created	C:\Users\DefaultAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\kaepgfbbnkllmjmdgmbpmlibpigifhpk\1.3\manifest.json	kN35Nrk2l41NDTW.exe
File created	C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\kaepgfbbnkllmjmdgmbpmlibpigifhpk\1.3\manifest.json	kN35Nrk2l41NDTW.exe
File created	C:\Users\WDAGUtilityAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\kaepgfbbnkllmjmdgmbpmlibpigifhpk\1.3\manifest.json	kN35Nrk2l41NDTW.exe
File created	C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\kaepgfbbnkllmjmdgmbpmlibpigifhpk\1.3\manifest.json	kN35Nrk2l41NDTW.exe
File created	C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\kaepgfbbnkllmjmdgmbpmlibpigifhpk\1.3\manifest.json	kN35Nrk2l41NDTW.exe

Drops file in System32 directory 4 IoCs

Processes:

kN35Nrk2l41NDTW.exe

description	ioc	process
File opened for modification	C:\Windows\System32\GroupPolicy	kN35Nrk2l41NDTW.exe
File opened for modification	C:\Windows\SysWOW64\GroupPolicy\gpt.ini	kN35Nrk2l41NDTW.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	kN35Nrk2l41NDTW.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	kN35Nrk2l41NDTW.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

kN35Nrk2l41NDTW.exe

pid	process
1988	kN35Nrk2l41NDTW.exe
1988	kN35Nrk2l41NDTW.exe
1988	kN35Nrk2l41NDTW.exe
1988	kN35Nrk2l41NDTW.exe
1988	kN35Nrk2l41NDTW.exe
1988	kN35Nrk2l41NDTW.exe
1988	kN35Nrk2l41NDTW.exe
1988	kN35Nrk2l41NDTW.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

c8b9164644960aa18ebc691cfa9a6bbb6ac5bee0d54a3d1e3b623c45703bd3de.exe

description	pid	process	target process
PID 3996 wrote to memory of 1988	3996	c8b9164644960aa18ebc691cfa9a6bbb6ac5bee0d54a3d1e3b623c45703bd3de.exe	kN35Nrk2l41NDTW.exe
PID 3996 wrote to memory of 1988	3996	c8b9164644960aa18ebc691cfa9a6bbb6ac5bee0d54a3d1e3b623c45703bd3de.exe	kN35Nrk2l41NDTW.exe
PID 3996 wrote to memory of 1988	3996	c8b9164644960aa18ebc691cfa9a6bbb6ac5bee0d54a3d1e3b623c45703bd3de.exe	kN35Nrk2l41NDTW.exe

C:\Users\Admin\AppData\Local\Temp\c8b9164644960aa18ebc691cfa9a6bbb6ac5bee0d54a3d1e3b623c45703bd3de.exe
"C:\Users\Admin\AppData\Local\Temp\c8b9164644960aa18ebc691cfa9a6bbb6ac5bee0d54a3d1e3b623c45703bd3de.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3996

C:\Users\Admin\AppData\Local\Temp\7zSB9EE.tmp\kN35Nrk2l41NDTW.exe
.\kN35Nrk2l41NDTW.exe
2⤵
- Executes dropped EXE
- Drops Chrome extension
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
PID:1988

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
1⤵
PID:4908

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
1⤵
PID:4936

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\7zSB9EE.tmp\kN35Nrk2l41NDTW.dat
Filesize
1KB

MD5
d3a64356771fbe2097e6ef5d25fe0337

SHA1
9dd8d74228839e0fde229ea2b9e1d8e3ae857d81

SHA256
5bf4e134a98f612683c40ffb21871825974a822696bc71b308d8290351a58178

SHA512
6b80047ec079e70fbe565aff5e12dde7536419ab7b026051cdf9c6837f731a92e2e6133e59499b5f623493f0575541ca6f7f9eb8b8f0e230f947c85e18ce64ef

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSB9EE.tmp\kN35Nrk2l41NDTW.exe
Filesize
772KB

MD5
5ed7019dcd0008dbcd8e54017b8c7dd9

SHA1
7e4457da2ff06c2170bad636c9eb7c1bb436fd06

SHA256
7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

SHA512
10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSB9EE.tmp\kN35Nrk2l41NDTW.exe
Filesize
772KB

MD5
5ed7019dcd0008dbcd8e54017b8c7dd9

SHA1
7e4457da2ff06c2170bad636c9eb7c1bb436fd06

SHA256
7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

SHA512
10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSB9EE.tmp\kaepgfbbnkllmjmdgmbpmlibpigifhpk\background.html
Filesize
143B

MD5
3566d2f23c60de32272894f686f3b441

SHA1
6fa41bddac3a492bf0a744ce6ef508ec31bd4158

SHA256
5b93f356bef16273f3120ce5aaa3e429d7ee77333ec21a26b602f9e32c038961

SHA512
b314bf3940c46a10dfb6af83532c1b42f3aaa80c6c217e03cd6ee62d35e977ad93cb8b567e77d1473fdd23cb81fb5aea47dda8fae6497050a9e7f30469f29114

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSB9EE.tmp\kaepgfbbnkllmjmdgmbpmlibpigifhpk\content.js
Filesize
144B

MD5
fca19198fd8af21016a8b1dec7980002

SHA1
fd01a47d14004e17a625efe66cc46a06c786cf40

SHA256
332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

SHA512
60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSB9EE.tmp\kaepgfbbnkllmjmdgmbpmlibpigifhpk\lsdb.js
Filesize
531B

MD5
36d98318ab2b3b2585a30984db328afb

SHA1
f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

SHA256
ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

SHA512
6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSB9EE.tmp\kaepgfbbnkllmjmdgmbpmlibpigifhpk\manifest.json
Filesize
498B

MD5
664e2884e17f23553a19eee317642194

SHA1
a28ccc088d6b6692646150f3e8f111e568723fb4

SHA256
ee4ef853224cde2aa7e54351c02bc811af939202b82e19cbd1cc011fc3565191

SHA512
b2cef8c4dfb6a0648f21c53393b982c9171d8a0344a94970c13866ebd2870de2cd99dab5984000b10802c54a748230104c7997c3d2cd3ac5e97c9355a4cb7ecb

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSB9EE.tmp\kaepgfbbnkllmjmdgmbpmlibpigifhpk\uBREW5.js
Filesize
6KB

MD5
e7a637a95aa7478e15e3ea3b86dbd66a

SHA1
d20c798038b0855b20f2bde0a2ae5dcac762e2d8

SHA256
c2be0a854e406920af0a17de3ff0bf7d19f4cafcd538883d44806deddd3fbae6

SHA512
451ecfb3dd3307070dd88d655fe0012deb2de41fcb887e209d04f7af243f37a967378cf28e4d7b6c6df507c5d8733fbaab6e1360edcc771e0e7bde4e8e4567e4

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSB9EE.tmp\[email protected]\bootstrap.js
Filesize
2KB

MD5
df13f711e20e9c80171846d4f2f7ae06

SHA1
56d29cda58427efe0e21d3880d39eb1b0ef60bee

SHA256
6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

SHA512
6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSB9EE.tmp\[email protected]\chrome.manifest
Filesize
35B

MD5
10833c29e25331df256e764b94286f2e

SHA1
297048cb09c55ea197d1024af010be4a097a6c79

SHA256
ca2d782166b2716c9e3d7be84fa5be7dfaeb2d43a6b3e2319269c1bdc7265df6

SHA512
4a41456c1401b26b181916c22f5bccb7946eb5737782693b3ad4aab2f6640867896102ce39e827d0cdb06761d0c28ad220c40dbb96d409b2e927f633d5a49c86

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSB9EE.tmp\[email protected]\content\bg.js
Filesize
9KB

MD5
7377e419000b6eb8abb5a40958396ad4

SHA1
5c4fc142fd96be018136b9027daf7086637246f3

SHA256
1cf5f6e37e9bfebd306e0923b0a6c162f556e36092d091233ce23f86d4a1ef3d

SHA512
266a603ad5f2b0258b264a55288258d272ea3faa54e43e3c03ae9530c0da35db6dafae89b0993f0a219d827c216ae882812cfabf73ca43e0ced69c55da8fce97

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSB9EE.tmp\[email protected]\install.rdf
Filesize
591B

MD5
96859e88390d5e4d79931eba5c5a7b13

SHA1
19381d1163afab2e3b86eb75eef043d9be1cce6a

SHA256
748e42d8e828261aac4d1256ba5cc09f284c059a186133db4484414c8dc20534

SHA512
1238348404ca97464e3e7a92c22ac10659df03935c6cecddfe92050c28f8ccce5a16b159e837b3920e9c29833039d2f6a0d541927f869578ddd2b53894976490

Download Submit
memory/1988-132-0x0000000000000000-mapping.dmp

Download