abf083e88ae5e4aea5ba92ccd1991363812f73a71a4a26ad7c18baa6615d3535

Analysis

max time kernel
140s
max time network
24s
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 20:55

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General

Target

abf083e88ae5e4aea5ba92ccd1991363812f73a71a4a26ad7c18baa6615d3535.exe
Size

931KB
MD5

a34455a7fff4a6d40df4d30840ab7988
SHA1

f2d34876b28eb3f2f57a386d7f78914288af9b37
SHA256

abf083e88ae5e4aea5ba92ccd1991363812f73a71a4a26ad7c18baa6615d3535
SHA512

d7d0eae8db17873fdd70cfc6eec709c7d7beb29e7a9bce075f36772eb8bf7595f2ba5e71d3747a94b52cb4b2f57f254487e71cf19c40225cbd7560dc31b8d16d
SSDEEP

24576:h1OYdaOGCZ/iWCvu/2sWsJA/jlt+DHhs4:h1OsQCpYO/dJJDHhs4

Score

8^/10

discovery spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

BYZr8XVrznXx0c9.exe

pid process

3084 BYZr8XVrznXx0c9.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:

BYZr8XVrznXx0c9.exe

description	ioc	process
File created	C:\Users\WDAGUtilityAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\nahpaidhomkpdmkljkcokejohcbkjejo\2.0\manifest.json	BYZr8XVrznXx0c9.exe
File created	C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\nahpaidhomkpdmkljkcokejohcbkjejo\2.0\manifest.json	BYZr8XVrznXx0c9.exe
File created	C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\nahpaidhomkpdmkljkcokejohcbkjejo\2.0\manifest.json	BYZr8XVrznXx0c9.exe
File created	C:\Users\DefaultAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\nahpaidhomkpdmkljkcokejohcbkjejo\2.0\manifest.json	BYZr8XVrznXx0c9.exe
File created	C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\nahpaidhomkpdmkljkcokejohcbkjejo\2.0\manifest.json	BYZr8XVrznXx0c9.exe

Drops file in System32 directory 4 IoCs

Processes:

BYZr8XVrznXx0c9.exe

description	ioc	process
File opened for modification	C:\Windows\System32\GroupPolicy	BYZr8XVrznXx0c9.exe
File opened for modification	C:\Windows\SysWOW64\GroupPolicy\gpt.ini	BYZr8XVrznXx0c9.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	BYZr8XVrznXx0c9.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	BYZr8XVrznXx0c9.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

BYZr8XVrznXx0c9.exe

pid	process
3084	BYZr8XVrznXx0c9.exe
3084	BYZr8XVrznXx0c9.exe
3084	BYZr8XVrznXx0c9.exe
3084	BYZr8XVrznXx0c9.exe
3084	BYZr8XVrznXx0c9.exe
3084	BYZr8XVrznXx0c9.exe
3084	BYZr8XVrznXx0c9.exe
3084	BYZr8XVrznXx0c9.exe
3084	BYZr8XVrznXx0c9.exe
3084	BYZr8XVrznXx0c9.exe
3084	BYZr8XVrznXx0c9.exe
3084	BYZr8XVrznXx0c9.exe
3084	BYZr8XVrznXx0c9.exe
3084	BYZr8XVrznXx0c9.exe
3084	BYZr8XVrznXx0c9.exe
3084	BYZr8XVrznXx0c9.exe
3084	BYZr8XVrznXx0c9.exe
3084	BYZr8XVrznXx0c9.exe
3084	BYZr8XVrznXx0c9.exe
3084	BYZr8XVrznXx0c9.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

BYZr8XVrznXx0c9.exe

description	pid	process
Token: SeDebugPrivilege	3084	BYZr8XVrznXx0c9.exe
Token: SeDebugPrivilege	3084	BYZr8XVrznXx0c9.exe
Token: SeDebugPrivilege	3084	BYZr8XVrznXx0c9.exe
Token: SeDebugPrivilege	3084	BYZr8XVrznXx0c9.exe
Token: SeDebugPrivilege	3084	BYZr8XVrznXx0c9.exe
Token: SeDebugPrivilege	3084	BYZr8XVrznXx0c9.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

abf083e88ae5e4aea5ba92ccd1991363812f73a71a4a26ad7c18baa6615d3535.exe

description	pid	process	target process
PID 2228 wrote to memory of 3084	2228	abf083e88ae5e4aea5ba92ccd1991363812f73a71a4a26ad7c18baa6615d3535.exe	BYZr8XVrznXx0c9.exe
PID 2228 wrote to memory of 3084	2228	abf083e88ae5e4aea5ba92ccd1991363812f73a71a4a26ad7c18baa6615d3535.exe	BYZr8XVrznXx0c9.exe
PID 2228 wrote to memory of 3084	2228	abf083e88ae5e4aea5ba92ccd1991363812f73a71a4a26ad7c18baa6615d3535.exe	BYZr8XVrznXx0c9.exe

C:\Users\Admin\AppData\Local\Temp\abf083e88ae5e4aea5ba92ccd1991363812f73a71a4a26ad7c18baa6615d3535.exe
"C:\Users\Admin\AppData\Local\Temp\abf083e88ae5e4aea5ba92ccd1991363812f73a71a4a26ad7c18baa6615d3535.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2228

C:\Users\Admin\AppData\Local\Temp\7zS501.tmp\BYZr8XVrznXx0c9.exe
.\BYZr8XVrznXx0c9.exe
2⤵
- Executes dropped EXE
- Drops Chrome extension
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3084

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
1⤵
PID:4424

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
1⤵
PID:2040

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\7zS501.tmp\BYZr8XVrznXx0c9.dat

Filesize
1KB

MD5
7a0a6c99da797c3a685dc277195899c3

SHA1
fabe048b30bfc808bdd9790b440dbc3559eb6533

SHA256
7d6b7e31623d2ed515be1e51ecd0df66a0cd2b5d6ad3fecc509611268272f4ae

SHA512
6f3e5e295cc5ffc0235b062a6ec9a6e49615042200609c68e25e73b0ed3b18e8b5f56cdf6ab6a67d1e736ba0f1f5f9b66c520c79aa2cfa772ac46fde9a315ce7

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS501.tmp\BYZr8XVrznXx0c9.exe

Filesize
772KB

MD5
5ed7019dcd0008dbcd8e54017b8c7dd9

SHA1
7e4457da2ff06c2170bad636c9eb7c1bb436fd06

SHA256
7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

SHA512
10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS501.tmp\BYZr8XVrznXx0c9.exe

Filesize
772KB

MD5
5ed7019dcd0008dbcd8e54017b8c7dd9

SHA1
7e4457da2ff06c2170bad636c9eb7c1bb436fd06

SHA256
7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

SHA512
10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS501.tmp\[email protected]\bootstrap.js

Filesize
2KB

MD5
df13f711e20e9c80171846d4f2f7ae06

SHA1
56d29cda58427efe0e21d3880d39eb1b0ef60bee

SHA256
6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

SHA512
6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS501.tmp\[email protected]\chrome.manifest

Filesize
35B

MD5
476781cc78e2b33d2cad555628b7761c

SHA1
8f2f51d3395c1a74b35af7d20eefe065100e39a0

SHA256
1916c09cee1d5177d3e162c481955acfd8ebe5cb941d7541eb109c19abf25c46

SHA512
ade98522f5b30b61a65fc006cbe00720eb006a1a724bda2364d7df7d22ab98a72c6e2c8a753fda589591f3adbc06b931193a27d2d33e4c79d61d9cc12ec01b54

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS501.tmp\[email protected]\content\bg.js

Filesize
8KB

MD5
0252c2611c0eb4aebbf54484a82c777f

SHA1
abbf1aef6b21157c83d6c4ca0e451b14c347357b

SHA256
a415188cb59cb227aac27d6caec0cf60128c500ff0979c0c0b6ca2b7679f52df

SHA512
71706fc186db7f0d2d3104d34f7c3ba418b80beb33aca247a911634664c0df1c5bfda4fc2cc6ee61fb0cc4a24e2d6d5ec399ad4a51ac34679ae0571334ab28cb

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS501.tmp\[email protected]\install.rdf

Filesize
597B

MD5
9b6c87d93998147cf8ba996d52283434

SHA1
5b2bb68138ac7233505a107e3b8ebac63052f077

SHA256
c7759a22a30b052f8dd7a278aec9920bc15d87453cf42f7e8ec469585da46c84

SHA512
6b885d2cb928d7f6793faea21c40ed6afc8514de9ec68dd25d3d49080845ccd20c50fae3639e4dd49cf2069018090829c9c19ea7a690f6e87496d8064f51f1f6

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS501.tmp\nahpaidhomkpdmkljkcokejohcbkjejo\background.html

Filesize
144B

MD5
97cef20ea014b6841f377e8ced370b6b

SHA1
7c9274c3ad6d6344bcd53ad436a0bde6e2b2e5df

SHA256
bd3657f6c49261354a01d0b3ac3490b4a6f9befccf7472190794f206e688344e

SHA512
a6594494e5089ab0573298f83e5c25c4bb9d0ef8faf8d51e62e4be140ad3b5b2b9f52cc0a26ef6d7830859f1a592737438101cc7e9eb96c4d08527150a783fe0

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS501.tmp\nahpaidhomkpdmkljkcokejohcbkjejo\content.js

Filesize
144B

MD5
fca19198fd8af21016a8b1dec7980002

SHA1
fd01a47d14004e17a625efe66cc46a06c786cf40

SHA256
332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

SHA512
60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS501.tmp\nahpaidhomkpdmkljkcokejohcbkjejo\lO8QApv.js

Filesize
6KB

MD5
113ddd5c6a98b7667f5a418130a0761e

SHA1
fce5ce02935c1e68b9b0d48f85a258745a6e5cfe

SHA256
d1addc491006ca3a37b971850e576ebcf375d82a53bf86005f972d8c3e70c46d

SHA512
1c6c6b1942baaa3c50e18549d6e92a329fa40611c266f3f2614a8d25ad047bce0e592096d8846dc5ae06e5d7bbc4e965574d396b5a5bde6ffdd357cba3806514

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS501.tmp\nahpaidhomkpdmkljkcokejohcbkjejo\lsdb.js

Filesize
531B

MD5
36d98318ab2b3b2585a30984db328afb

SHA1
f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

SHA256
ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

SHA512
6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS501.tmp\nahpaidhomkpdmkljkcokejohcbkjejo\manifest.json

Filesize
498B

MD5
640199ea4621e34510de919f6a54436f

SHA1
dc65dbfad02bd2688030bd56ca1cab85917a9937

SHA256
e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

SHA512
d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

Download Submit
memory/3084-132-0x0000000000000000-mapping.dmp

Download