c4a302583a771d4f2a61c5f27d131b41d028fdd0ac5808de18898e60362c7c30

Analysis

max time kernel
38s
max time network
43s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
24-11-2022 19:35

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General

Target

c4a302583a771d4f2a61c5f27d131b41d028fdd0ac5808de18898e60362c7c30.exe
Size

920KB
MD5

9d95883f6e9a19e1fcca6c425c26490a
SHA1

5d0023af9cc3f58f99dfef16d97698efa0a6aebe
SHA256

c4a302583a771d4f2a61c5f27d131b41d028fdd0ac5808de18898e60362c7c30
SHA512

63b883b72f2647d4cb95d08cc87e0c047938ff115620f90a44ae42f519db7059e4621e3bc991e2f87ffdbda8045c11d9226433878cd86bb7cce8c6ef666221d4
SSDEEP

24576:h1OYdaOOMtdHAqcdDVhYwiei7+EpFAh/kKN:h1OsHPHVmVhYwiLtKkKN

Score

8^/10

discovery spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

OocubrNokeLSKaE.exe

pid process

936 OocubrNokeLSKaE.exe
Loads dropped DLL 1 IoCs

Processes:

c4a302583a771d4f2a61c5f27d131b41d028fdd0ac5808de18898e60362c7c30.exe

pid process

940 c4a302583a771d4f2a61c5f27d131b41d028fdd0ac5808de18898e60362c7c30.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
940	c4a302583a771d4f2a61c5f27d131b41d028fdd0ac5808de18898e60362c7c30.exe

Drops Chrome extension 3 IoCs

Processes:

OocubrNokeLSKaE.exe

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

Drops file in System32 directory 4 IoCs

Processes:

OocubrNokeLSKaE.exe

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

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

OocubrNokeLSKaE.exe

pid	process
936	OocubrNokeLSKaE.exe
936	OocubrNokeLSKaE.exe
936	OocubrNokeLSKaE.exe
936	OocubrNokeLSKaE.exe
936	OocubrNokeLSKaE.exe
936	OocubrNokeLSKaE.exe
936	OocubrNokeLSKaE.exe
936	OocubrNokeLSKaE.exe
936	OocubrNokeLSKaE.exe
936	OocubrNokeLSKaE.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

OocubrNokeLSKaE.exe

description	pid	process
Token: SeDebugPrivilege	936	OocubrNokeLSKaE.exe
Token: SeDebugPrivilege	936	OocubrNokeLSKaE.exe
Token: SeDebugPrivilege	936	OocubrNokeLSKaE.exe
Token: SeDebugPrivilege	936	OocubrNokeLSKaE.exe
Token: SeDebugPrivilege	936	OocubrNokeLSKaE.exe
Token: SeDebugPrivilege	936	OocubrNokeLSKaE.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

c4a302583a771d4f2a61c5f27d131b41d028fdd0ac5808de18898e60362c7c30.exe

description	pid	process	target process
PID 940 wrote to memory of 936	940	c4a302583a771d4f2a61c5f27d131b41d028fdd0ac5808de18898e60362c7c30.exe	OocubrNokeLSKaE.exe
PID 940 wrote to memory of 936	940	c4a302583a771d4f2a61c5f27d131b41d028fdd0ac5808de18898e60362c7c30.exe	OocubrNokeLSKaE.exe
PID 940 wrote to memory of 936	940	c4a302583a771d4f2a61c5f27d131b41d028fdd0ac5808de18898e60362c7c30.exe	OocubrNokeLSKaE.exe
PID 940 wrote to memory of 936	940	c4a302583a771d4f2a61c5f27d131b41d028fdd0ac5808de18898e60362c7c30.exe	OocubrNokeLSKaE.exe

C:\Users\Admin\AppData\Local\Temp\c4a302583a771d4f2a61c5f27d131b41d028fdd0ac5808de18898e60362c7c30.exe
"C:\Users\Admin\AppData\Local\Temp\c4a302583a771d4f2a61c5f27d131b41d028fdd0ac5808de18898e60362c7c30.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:940

C:\Users\Admin\AppData\Local\Temp\7zSA45B.tmp\OocubrNokeLSKaE.exe
.\OocubrNokeLSKaE.exe
2⤵
- Executes dropped EXE
- Drops Chrome extension
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:936

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\7zSA45B.tmp\[email protected]\bootstrap.js
Filesize
2KB

MD5
df13f711e20e9c80171846d4f2f7ae06

SHA1
56d29cda58427efe0e21d3880d39eb1b0ef60bee

SHA256
6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

SHA512
6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSA45B.tmp\[email protected]\chrome.manifest
Filesize
35B

MD5
a9aa370aa29c4606528cc589a3f440c1

SHA1
fc1afb79812887617a0e5f8752e508cd5205d00a

SHA256
fcf63da12e62712475ceac134a40c161a1e4aea858d120d875d52e15312f6d49

SHA512
bc078b1f53fd99fb03d61ba5d3b7ce5b221534f58e304198e62ad864a0e61997b38855a20d4035c4140094ba978d196ddb11327040392d87c866407722533698

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSA45B.tmp\[email protected]\content\bg.js
Filesize
8KB

MD5
ffedde3969e81e2b9e2fd10d127cab20

SHA1
ba11aebcbe2e593557c2c073ff112773e0e8d6fe

SHA256
b68ebce66b1c6d2b62e11e245b63ad65a27add57e887fd2654a0a642e77192bd

SHA512
0e32a1df477ee5846d74c42a835c86ff4a7df80c62282b38607d447c99887fe3eccbd3f040c8ab3362b59d018e3da0b856202045dcf1bd18e0c5828567e09a9e

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSA45B.tmp\[email protected]\install.rdf
Filesize
591B

MD5
b4066570e0b9b1686bbac490c598ba75

SHA1
08fc851bd6817de745554271995b8097dc04efad

SHA256
91407fea2608ea9c59efd8d4f3edf01582ac9c1ac97da0d9548aafa564eb8a3a

SHA512
d4b892dc9a631d76c17e6f1ea0cc0d25d841068dc208ae72fafaa9ef3171fd9bc55762b6088feb291bc42e338f2ec75d5ca8eb45df4d744622e94f85f1b98180

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSA45B.tmp\OocubrNokeLSKaE.dat
Filesize
1KB

MD5
cc319219114c831dd76abd191202c178

SHA1
97313d319298568425f9d182d65033b6347845f3

SHA256
f28f5d5d403c10db4faf63292f8f0908d4c1de979d7f1d6f05da34c52754f0b3

SHA512
52bfab5d6cf57bc739eab0175a296cd6230e8fac945f91df6a7376e40499c49cfe0ca7f0464c0edc63a67af2c6506180e6971b3b0798b6df31c2ef86af34053b

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSA45B.tmp\OocubrNokeLSKaE.exe
Filesize
760KB

MD5
dcd148f6f3af3e3b0935c4fcc9f41811

SHA1
ee9bdbc7c568c7832d90b85921ab20030b6734cd

SHA256
f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4

SHA512
34be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSA45B.tmp\abhkmioildonbidlcgnohijemahjfeme\P0Q.js
Filesize
6KB

MD5
79f199a3f2a9131b928a0c605235a5b0

SHA1
9598e53da77babd8bf16d937bc83284e639e19d5

SHA256
32f581da089700cb7ee78a9dcfd5417aa013b810fee2f3b7372a15bafda18977

SHA512
f88d7caf1189b33794961f1d02f7ce2a2f5a0ad438edc44b106ee1840ad29df71d68e4d8736c8c6cb6cf7a8b38b3825e49fdf7afd443e24c8500a18de16ebfda

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSA45B.tmp\abhkmioildonbidlcgnohijemahjfeme\background.html
Filesize
140B

MD5
4a5e9725b1b8701d6776e479689e0b99

SHA1
91afe9e2455858d0f07ef7ceb89ecd4f36a3c511

SHA256
5a854d777c5c58442000d750fdf1f25bb91d2ba711b074755f7f09713b4828b8

SHA512
d104ee0276ba19952e95fe4bb3059bcaf293b41a3623419d81fdd15e92839b547144f9622be6bfe072c0610b2ddf064cd5bfc0674e17a0f72b359bdb39b20206

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSA45B.tmp\abhkmioildonbidlcgnohijemahjfeme\content.js
Filesize
144B

MD5
fca19198fd8af21016a8b1dec7980002

SHA1
fd01a47d14004e17a625efe66cc46a06c786cf40

SHA256
332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

SHA512
60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSA45B.tmp\abhkmioildonbidlcgnohijemahjfeme\lsdb.js
Filesize
531B

MD5
36d98318ab2b3b2585a30984db328afb

SHA1
f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

SHA256
ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

SHA512
6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSA45B.tmp\abhkmioildonbidlcgnohijemahjfeme\manifest.json
Filesize
498B

MD5
640199ea4621e34510de919f6a54436f

SHA1
dc65dbfad02bd2688030bd56ca1cab85917a9937

SHA256
e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

SHA512
d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

Download Submit
\Users\Admin\AppData\Local\Temp\7zSA45B.tmp\OocubrNokeLSKaE.exe
Filesize
760KB

MD5
dcd148f6f3af3e3b0935c4fcc9f41811

SHA1
ee9bdbc7c568c7832d90b85921ab20030b6734cd

SHA256
f8689641199c6fc430121797965485d95abfbc430753e0e668817ab3b511a1e4

SHA512
34be8e60dc2decf8287a71516f359e80bb858ce52218dde1b01c821c9b95be38821f068b79b0da8dbe90865560e7ddab77b25e3971dda9be667fb3ae8f174886

Download Submit
memory/936-56-0x0000000000000000-mapping.dmp

Download
memory/940-54-0x00000000760A1000-0x00000000760A3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads