cf11036ea18c731d9eb4f769e594352dab1b73dabdf276bc310ffdb9d67193fc

Analysis

max time kernel
123s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
24-11-2022 19:00

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General

Target

cf11036ea18c731d9eb4f769e594352dab1b73dabdf276bc310ffdb9d67193fc.exe
Size

931KB
MD5

e8c84291783342fd0f3a09f94a16fa19
SHA1

4c06ad91a5724d5ffdf90449c435a5a9e5e7d812
SHA256

cf11036ea18c731d9eb4f769e594352dab1b73dabdf276bc310ffdb9d67193fc
SHA512

4cc876ff27ee02257e71c04765d749b0f9875e323435430a2ba4b3f8b0fd0d52d23f32b70742cf45607118a5a09917e84bb9435f1675028678110041f8250201
SSDEEP

24576:h1OYdaO2CZ/iWCvu/2sWsJA/jlt+DHhs/:h1OsYCpYO/dJJDHhs/

Score

8^/10

discovery spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

bytyjVmiaVIDrcW.exe

pid process

4888 bytyjVmiaVIDrcW.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:

bytyjVmiaVIDrcW.exe

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

Drops file in System32 directory 4 IoCs

Processes:

bytyjVmiaVIDrcW.exe

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

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

bytyjVmiaVIDrcW.exe

pid	process
4888	bytyjVmiaVIDrcW.exe
4888	bytyjVmiaVIDrcW.exe
4888	bytyjVmiaVIDrcW.exe
4888	bytyjVmiaVIDrcW.exe
4888	bytyjVmiaVIDrcW.exe
4888	bytyjVmiaVIDrcW.exe
4888	bytyjVmiaVIDrcW.exe
4888	bytyjVmiaVIDrcW.exe
4888	bytyjVmiaVIDrcW.exe
4888	bytyjVmiaVIDrcW.exe
4888	bytyjVmiaVIDrcW.exe
4888	bytyjVmiaVIDrcW.exe
4888	bytyjVmiaVIDrcW.exe
4888	bytyjVmiaVIDrcW.exe
4888	bytyjVmiaVIDrcW.exe
4888	bytyjVmiaVIDrcW.exe
4888	bytyjVmiaVIDrcW.exe
4888	bytyjVmiaVIDrcW.exe
4888	bytyjVmiaVIDrcW.exe
4888	bytyjVmiaVIDrcW.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

bytyjVmiaVIDrcW.exe

description	pid	process
Token: SeDebugPrivilege	4888	bytyjVmiaVIDrcW.exe
Token: SeDebugPrivilege	4888	bytyjVmiaVIDrcW.exe
Token: SeDebugPrivilege	4888	bytyjVmiaVIDrcW.exe
Token: SeDebugPrivilege	4888	bytyjVmiaVIDrcW.exe
Token: SeDebugPrivilege	4888	bytyjVmiaVIDrcW.exe
Token: SeDebugPrivilege	4888	bytyjVmiaVIDrcW.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

cf11036ea18c731d9eb4f769e594352dab1b73dabdf276bc310ffdb9d67193fc.exe

description	pid	process	target process
PID 4916 wrote to memory of 4888	4916	cf11036ea18c731d9eb4f769e594352dab1b73dabdf276bc310ffdb9d67193fc.exe	bytyjVmiaVIDrcW.exe
PID 4916 wrote to memory of 4888	4916	cf11036ea18c731d9eb4f769e594352dab1b73dabdf276bc310ffdb9d67193fc.exe	bytyjVmiaVIDrcW.exe
PID 4916 wrote to memory of 4888	4916	cf11036ea18c731d9eb4f769e594352dab1b73dabdf276bc310ffdb9d67193fc.exe	bytyjVmiaVIDrcW.exe

C:\Users\Admin\AppData\Local\Temp\cf11036ea18c731d9eb4f769e594352dab1b73dabdf276bc310ffdb9d67193fc.exe
"C:\Users\Admin\AppData\Local\Temp\cf11036ea18c731d9eb4f769e594352dab1b73dabdf276bc310ffdb9d67193fc.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4916

C:\Users\Admin\AppData\Local\Temp\7zSADD9.tmp\bytyjVmiaVIDrcW.exe
.\bytyjVmiaVIDrcW.exe
2⤵
- Executes dropped EXE
- Drops Chrome extension
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4888

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
1⤵
PID:2720

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
1⤵
PID:1448

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\7zSADD9.tmp\1XHy@LKWOE0.org\bootstrap.js
Filesize
2KB

MD5
df13f711e20e9c80171846d4f2f7ae06

SHA1
56d29cda58427efe0e21d3880d39eb1b0ef60bee

SHA256
6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

SHA512
6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSADD9.tmp\1XHy@LKWOE0.org\chrome.manifest
Filesize
35B

MD5
98aff7329f60b7f11e47a8a939571ee1

SHA1
5dd3b9842ee055bb4483899928e5652134d46897

SHA256
4825d09cc2dd129deda8943b3c8484e3c2a2e6f6f20d9a69ab1e1a2e4b326820

SHA512
97cdbd7b0bfaabea72826576e8d2ab32490e9301200a5052946eabea2e342f9bbd72b0ba510c399b10c5395ae4af6fddc9d32d08e5cd9c3caa6ac7da7c5cd965

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSADD9.tmp\1XHy@LKWOE0.org\content\bg.js
Filesize
8KB

MD5
07da9b8aa1b0574f3645284288a92fc2

SHA1
497668063cecbc1c6dc21abc4a882198fdc8f39e

SHA256
5beebb4fdf41b0c21ecfa44e12c00f704a7f1ac26f811791be74d2ca8d078ed9

SHA512
260f2dc711c68cb7911ccd57283ba521cef0897031a12ca516524ba5350d5e65a4c2f427a19aa97d3962024df5641fd2bd214456b7e7d7af298c131d52db1772

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSADD9.tmp\1XHy@LKWOE0.org\install.rdf
Filesize
598B

MD5
5ceae822474ee5cbe70ca6923ea4e2ec

SHA1
3df5ff827c46b6567cf988400275fe5db6e2669a

SHA256
10a056ca3781e969b054e924cffee7bf7ffb4d773151c80036148e8c764f7065

SHA512
9807d70150e820ed0291d89fa67c0f490add0e117523fc0bc51eb3125e9eb122e4e3424367dc2caa64b2e2c426ac316f64cc5dbcf332ce31585ffe966a88709c

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSADD9.tmp\bytyjVmiaVIDrcW.dat
Filesize
1KB

MD5
9ae4ac4686451b1821ddf60ca1b937ee

SHA1
96578189168b7ab753f7bb538a6e4f80f68b268e

SHA256
41ba80a956d0440a185455f0e5b0256fec5ca989860418c9a6cb4b055385c46e

SHA512
3b9f2462a448aa3c0e466d1d2bedb258436fa7931ed026a3724067a1b729a63482932d9c518486b3182798b22e70100f2c1501f225081616a469f50adcad29c9

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSADD9.tmp\bytyjVmiaVIDrcW.exe
Filesize
772KB

MD5
5ed7019dcd0008dbcd8e54017b8c7dd9

SHA1
7e4457da2ff06c2170bad636c9eb7c1bb436fd06

SHA256
7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

SHA512
10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSADD9.tmp\bytyjVmiaVIDrcW.exe
Filesize
772KB

MD5
5ed7019dcd0008dbcd8e54017b8c7dd9

SHA1
7e4457da2ff06c2170bad636c9eb7c1bb436fd06

SHA256
7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

SHA512
10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSADD9.tmp\mnjmcepcnbihebfpkifoljacdohcdajh\background.html
Filesize
140B

MD5
b195960253acc9f335d5abb5c72df151

SHA1
34dc5a131c282dd89a55b3908fe957c685aa6b1e

SHA256
d5480308e554f75b148b9fe4b5fe18314572dd6dc4bc50c0dac6602fca862d75

SHA512
f9fcec634f9269b7c1ddec76844eeacb1d98673bae3c6fb2ce4669eb4762fa2a15fc67d3157fa2fb1ad407102f82c719e541f27a06ad1a2996777af70d171bfb

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSADD9.tmp\mnjmcepcnbihebfpkifoljacdohcdajh\content.js
Filesize
144B

MD5
fca19198fd8af21016a8b1dec7980002

SHA1
fd01a47d14004e17a625efe66cc46a06c786cf40

SHA256
332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

SHA512
60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSADD9.tmp\mnjmcepcnbihebfpkifoljacdohcdajh\lsdb.js
Filesize
531B

MD5
36d98318ab2b3b2585a30984db328afb

SHA1
f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

SHA256
ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

SHA512
6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSADD9.tmp\mnjmcepcnbihebfpkifoljacdohcdajh\manifest.json
Filesize
498B

MD5
640199ea4621e34510de919f6a54436f

SHA1
dc65dbfad02bd2688030bd56ca1cab85917a9937

SHA256
e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

SHA512
d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSADD9.tmp\mnjmcepcnbihebfpkifoljacdohcdajh\pd6.js
Filesize
6KB

MD5
c344b41663813f10aa5c2806016efbbf

SHA1
a70d6a12a95267278c64bd3228f25342833c17b8

SHA256
fe2dbb88085ef5fd7aeff4a63442c7ba72103b9f22dd6faf7b592e87cd812c64

SHA512
6b624bb7dc7f6a23c61ac271b15ffd40e59fc8193a554e8e555490ec7cb43a1301baee1527b3fed7a75515c9a0d27210ab5ea5442b6efd6063f0bb840c18ffa3

Download Submit
memory/4888-132-0x0000000000000000-mapping.dmp

Download