6ed077d48ce4d849af7b450c3a9dc9dddf7651016609ca52948c442aad1ff948

Analysis

max time kernel
16s
max time network
19s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
07/08/2024, 14:15

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General

Target

Nezur.exe
Size

26.4MB
MD5

242715cb665b8410e4bca82aa6c47476
SHA1

eece88ef2f4efbcec39dc9d3a6bed1600f5e7861
SHA256

6ed077d48ce4d849af7b450c3a9dc9dddf7651016609ca52948c442aad1ff948
SHA512

5c81bd6826bc530e1304d5f0a7ad1bfa8b6851e3d0f0e056138ff03c8f8331d4c5a2e3014060b1f61b7b3867853f890b3575443562fada9434da52d98b882648
SSDEEP

196608:zOM8Wb0guheg856w6Vr8utDq+S0KW1Hs3VaTnJ45/9iD54+V11bFv4ztbK+nmtzc:zOM8heg7YB+S0KW1HlTqzQc

Score

3^/10

discovery

Malware Config

Signatures

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Nezur.exe

System Time Discovery 1 TTPs 1 IoCs

Adversary may gather the system time and/or time zone settings from a local or remote system.

discovery

System Time Discovery

T1124

pid	Process
912	msedge.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	msedge.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2340	msedge.exe
2340	msedge.exe
912	msedge.exe
912	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs

pid	Process
912	msedge.exe
912	msedge.exe
912	msedge.exe

Suspicious use of FindShellTrayWindow 26 IoCs

pid	Process
912	msedge.exe
912	msedge.exe
912	msedge.exe
912	msedge.exe
912	msedge.exe
912	msedge.exe
912	msedge.exe
912	msedge.exe
912	msedge.exe
912	msedge.exe
912	msedge.exe
912	msedge.exe
912	msedge.exe
912	msedge.exe
912	msedge.exe
912	msedge.exe
912	msedge.exe
912	msedge.exe
912	msedge.exe
912	msedge.exe
912	msedge.exe
912	msedge.exe
912	msedge.exe
912	msedge.exe
912	msedge.exe
912	msedge.exe

Suspicious use of SendNotifyMessage 12 IoCs

pid	Process
912	msedge.exe
912	msedge.exe
912	msedge.exe
912	msedge.exe
912	msedge.exe
912	msedge.exe
912	msedge.exe
912	msedge.exe
912	msedge.exe
912	msedge.exe
912	msedge.exe
912	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1536 wrote to memory of 912	1536	Nezur.exe	83
PID 1536 wrote to memory of 912	1536	Nezur.exe	83
PID 912 wrote to memory of 3728	912	msedge.exe	84
PID 912 wrote to memory of 3728	912	msedge.exe	84
PID 912 wrote to memory of 4464	912	msedge.exe	85
PID 912 wrote to memory of 4464	912	msedge.exe	85
PID 912 wrote to memory of 4464	912	msedge.exe	85
PID 912 wrote to memory of 4464	912	msedge.exe	85
PID 912 wrote to memory of 4464	912	msedge.exe	85
PID 912 wrote to memory of 4464	912	msedge.exe	85
PID 912 wrote to memory of 4464	912	msedge.exe	85
PID 912 wrote to memory of 4464	912	msedge.exe	85
PID 912 wrote to memory of 4464	912	msedge.exe	85
PID 912 wrote to memory of 4464	912	msedge.exe	85
PID 912 wrote to memory of 4464	912	msedge.exe	85
PID 912 wrote to memory of 4464	912	msedge.exe	85
PID 912 wrote to memory of 4464	912	msedge.exe	85
PID 912 wrote to memory of 4464	912	msedge.exe	85
PID 912 wrote to memory of 4464	912	msedge.exe	85
PID 912 wrote to memory of 4464	912	msedge.exe	85
PID 912 wrote to memory of 4464	912	msedge.exe	85
PID 912 wrote to memory of 4464	912	msedge.exe	85
PID 912 wrote to memory of 4464	912	msedge.exe	85
PID 912 wrote to memory of 4464	912	msedge.exe	85
PID 912 wrote to memory of 4464	912	msedge.exe	85
PID 912 wrote to memory of 4464	912	msedge.exe	85
PID 912 wrote to memory of 4464	912	msedge.exe	85
PID 912 wrote to memory of 4464	912	msedge.exe	85
PID 912 wrote to memory of 4464	912	msedge.exe	85
PID 912 wrote to memory of 4464	912	msedge.exe	85
PID 912 wrote to memory of 4464	912	msedge.exe	85
PID 912 wrote to memory of 4464	912	msedge.exe	85
PID 912 wrote to memory of 4464	912	msedge.exe	85
PID 912 wrote to memory of 4464	912	msedge.exe	85
PID 912 wrote to memory of 4464	912	msedge.exe	85
PID 912 wrote to memory of 4464	912	msedge.exe	85
PID 912 wrote to memory of 4464	912	msedge.exe	85
PID 912 wrote to memory of 4464	912	msedge.exe	85
PID 912 wrote to memory of 4464	912	msedge.exe	85
PID 912 wrote to memory of 4464	912	msedge.exe	85
PID 912 wrote to memory of 4464	912	msedge.exe	85
PID 912 wrote to memory of 4464	912	msedge.exe	85
PID 912 wrote to memory of 4464	912	msedge.exe	85
PID 912 wrote to memory of 4464	912	msedge.exe	85
PID 912 wrote to memory of 2340	912	msedge.exe	86
PID 912 wrote to memory of 2340	912	msedge.exe	86
PID 912 wrote to memory of 3404	912	msedge.exe	87
PID 912 wrote to memory of 3404	912	msedge.exe	87
PID 912 wrote to memory of 3404	912	msedge.exe	87
PID 912 wrote to memory of 3404	912	msedge.exe	87
PID 912 wrote to memory of 3404	912	msedge.exe	87
PID 912 wrote to memory of 3404	912	msedge.exe	87
PID 912 wrote to memory of 3404	912	msedge.exe	87
PID 912 wrote to memory of 3404	912	msedge.exe	87
PID 912 wrote to memory of 3404	912	msedge.exe	87
PID 912 wrote to memory of 3404	912	msedge.exe	87
PID 912 wrote to memory of 3404	912	msedge.exe	87
PID 912 wrote to memory of 3404	912	msedge.exe	87
PID 912 wrote to memory of 3404	912	msedge.exe	87
PID 912 wrote to memory of 3404	912	msedge.exe	87
PID 912 wrote to memory of 3404	912	msedge.exe	87
PID 912 wrote to memory of 3404	912	msedge.exe	87
PID 912 wrote to memory of 3404	912	msedge.exe	87
PID 912 wrote to memory of 3404	912	msedge.exe	87

C:\Users\Admin\AppData\Local\Temp\Nezur.exe
"C:\Users\Admin\AppData\Local\Temp\Nezur.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1536
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://aka.ms/dotnet-core-applaunch?missing_runtime=true&arch=x86&rid=win10-x86&apphost_version=7.0.16&gui=true
  2⤵
  - System Time Discovery
  - Enumerates system info in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:912
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=90.0.4430.212 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=90.0.818.66 --initial-client-data=0x100,0x104,0x108,0xdc,0x10c,0x7ffaa6203cb8,0x7ffaa6203cc8,0x7ffaa6203cd8
    3⤵
    PID:3728
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1896,18159704501436757192,12095158953761429885,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1956 /prefetch:2
    3⤵
    PID:4464
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=1896,18159704501436757192,12095158953761429885,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2052 /prefetch:3
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:2340
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=1896,18159704501436757192,12095158953761429885,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2536 /prefetch:8
    3⤵
    PID:3404
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1896,18159704501436757192,12095158953761429885,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3224 /prefetch:1
    3⤵
    PID:4352
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1896,18159704501436757192,12095158953761429885,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3256 /prefetch:1
    3⤵
    PID:2224
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1896,18159704501436757192,12095158953761429885,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4632 /prefetch:1
    3⤵
    PID:4864

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1960

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3276

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s NPSMSvc
1⤵
PID:1248

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Browser Information Discovery

T1217

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Time Discovery

T1124

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

Filesize
152B

MD5
026e0c65239e15ba609a874aeac2dc33

SHA1
a75e1622bc647ab73ab3bb2809872c2730dcf2df

SHA256
593f20dfb73d2b81a17bfcc1f246848080dfc96898a1a62c5ddca62105ed1292

SHA512
9fb7644c87bdd3430700f42137154069badbf2b7a67e5ac6c364382bca8cba95136d460f49279b346703d4b4fd81087e884822a01a2a38901568a3c3e3387569

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

Filesize
152B

MD5
228fefc98d7fb5b4e27c6abab1de7207

SHA1
ada493791316e154a906ec2c83c412adf3a7061a

SHA256
448d09169319374935a249b1fc76bcf2430b4e1436611f3c2f3331b6eafe55a2

SHA512
fa74f1cc5da8db978a7a5b8c9ebff3cd433660db7e91ce03c44a1d543dd667a51659ba79270d3d783d52b9e45d76d0f9467458df1482ded72ea79c873b2a5e56

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network Persistent State

Filesize
188B

MD5
4c68fa9da4031e4f6bce89afb698f67a

SHA1
05253b06c10ab70558beac773286ef6c56292e6c

SHA256
9556882e8bef920eb50efe55b57afacc70c710e8ab808eb95b04e8d4b88eed2e

SHA512
e750014f86f1ff47103a585b912659913f4b40c284444747c770d3ca870cbd2ca1f249406b815c518c59d5b6f95ff3761bd56912ec799a22170ca0f7aa9a7ce1

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

Filesize
5KB

MD5
c2c90400ea86fad4e2c36e9d0312571e

SHA1
6383b8ca9d72129ae4448135f264d2ca154dda4c

SHA256
99241727e53595b66871c487c4dbf95d52c95f8f56a3c20f8fd048541a0b915c

SHA512
82960c729ed297344c710300f3c2b25f7403eb10cec7eaa5fb943bc2e7d1bbef8406d7b1b2887f13f6e4a330cf7039e01b1a0b52da9ec8df4fafd3f317c7aead

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

Filesize
5KB

MD5
5333fb8e78f0e6bd960b56bbbce12d08

SHA1
a9c8b831942635b6d6998cc59700044d4a51aaec

SHA256
592819e6b896088e38ab6d129d1567004750367a1b9e9ccac2487d630a0cd3c6

SHA512
ee9fd42de924a17e06e760c30947b484b07e7b6bc408815309c3414b61e7f244b9015d079292f463c7e70d7605ad4e919f09ed8ff83c9ea42845258b723a3eea

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

Filesize
5KB

MD5
07706f532094f9f6875d58a3c9e20e33

SHA1
1ebfb236928c63ffad9a3e4b3d9be4548763c762

SHA256
f599a4c7b39bf354d06004a30eb01113f96afc1aa979198008663de9417dbd3c

SHA512
88f77495b204c994d506f2af1d00c3617a661cd8bb4bf28950dc18fc177fa5fa8a31f28f2afcfd2d7ca05a96d677859d039f355b049463bb263d0805af9bb0fd

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State

Filesize
10KB

MD5
362f8539c693a23ae2c5958a923b03f8

SHA1
75d9c9ea7afad66a59bf00e15443d2361276ac58

SHA256
8e48b31497cf10f593b207b4d25958217d4e3955e195fc949670f85e69e0996d

SHA512
e26ed79b22d23e352e0e6e19c56f87734b0cb4e71d4878e4aa78f56a03b594f9c67f03a8fb9d869b1f2a9183cfee7bc723c8765775f81b47318b3553ba6a6d7d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State

Filesize
10KB

MD5
9f3959781a59d725e3474bfcc4ed2c7c

SHA1
626a3c94947a468c99a9c4731885273538c5c781

SHA256
4b0992feecb4d03cc910e576331521c907ab0a394f8774fdc8a95bce8cc8b6e6

SHA512
eec7854350db3228f6acb0d398fbdf4fab0768a7b48670257913594419adc34a3d6b2442e65594261dd951c807e0b368a009facdb195013bb285c98ea9c537bc

Download Submit