79bbf1f947c3c4c1e8804ececec5dfaa2229c3d65033c0dcf37fd3157a9622cb

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 00:32

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General

Target

21cfedb544d49fad5d9e7cc2300ab2fa.exe
Size

1.3MB
MD5

21cfedb544d49fad5d9e7cc2300ab2fa
SHA1

e351461217b84091205e26239e40802472e9f099
SHA256

79bbf1f947c3c4c1e8804ececec5dfaa2229c3d65033c0dcf37fd3157a9622cb
SHA512

7710f23e42f10adbbc3a1c9fc6f86a02581efc7b2cec879ce38c8957cedfd4912e1b9828103bb78c1dafe674d3b96db7f1aa328376e4e67e3183d223ebc718be
SSDEEP

12288:Ch/pCHxW4pbAOeeeZeeeeEhMEr6CX4zistC:U/eDNAuaE6tiJ

Score

8^/10

evasion trojan

Malware Config

Signatures

Downloads MZ/PE file

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	21cfedb544d49fad5d9e7cc2300ab2fa.exe

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

System Information Discovery
T1082

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

NTFS ADS 1 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\Downloads\Unconfirmed 41965.crdownload:SmartScreen	msedge.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
5008	msedge.exe
5008	msedge.exe
3748	msedge.exe
3748	msedge.exe
3748	msedge.exe
1320	identity_helper.exe
1320	identity_helper.exe
1840	msedge.exe
1840	msedge.exe
1840	msedge.exe
1840	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs

pid	Process
3748	msedge.exe
3748	msedge.exe
3748	msedge.exe
3748	msedge.exe
3748	msedge.exe
3748	msedge.exe
3748	msedge.exe

Suspicious use of FindShellTrayWindow 32 IoCs

pid	Process
3748	msedge.exe
3748	msedge.exe
3748	msedge.exe
3748	msedge.exe
3748	msedge.exe
3748	msedge.exe
3748	msedge.exe
3748	msedge.exe
3748	msedge.exe
3748	msedge.exe
3748	msedge.exe
3748	msedge.exe
3748	msedge.exe
3748	msedge.exe
3748	msedge.exe
3748	msedge.exe
3748	msedge.exe
3748	msedge.exe
3748	msedge.exe
3748	msedge.exe
3748	msedge.exe
3748	msedge.exe
3748	msedge.exe
3748	msedge.exe
3748	msedge.exe
3748	msedge.exe
3748	msedge.exe
3748	msedge.exe
3748	msedge.exe
3748	msedge.exe
3748	msedge.exe
3748	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
3748	msedge.exe
3748	msedge.exe
3748	msedge.exe
3748	msedge.exe
3748	msedge.exe
3748	msedge.exe
3748	msedge.exe
3748	msedge.exe
3748	msedge.exe
3748	msedge.exe
3748	msedge.exe
3748	msedge.exe
3748	msedge.exe
3748	msedge.exe
3748	msedge.exe
3748	msedge.exe
3748	msedge.exe
3748	msedge.exe
3748	msedge.exe
3748	msedge.exe
3748	msedge.exe
3748	msedge.exe
3748	msedge.exe
3748	msedge.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
816	21cfedb544d49fad5d9e7cc2300ab2fa.exe
816	21cfedb544d49fad5d9e7cc2300ab2fa.exe
816	21cfedb544d49fad5d9e7cc2300ab2fa.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 816 wrote to memory of 3748	816	21cfedb544d49fad5d9e7cc2300ab2fa.exe	30
PID 816 wrote to memory of 3748	816	21cfedb544d49fad5d9e7cc2300ab2fa.exe	30
PID 3748 wrote to memory of 5072	3748	msedge.exe	29
PID 3748 wrote to memory of 5072	3748	msedge.exe	29
PID 3748 wrote to memory of 3064	3748	msedge.exe	43
PID 3748 wrote to memory of 3064	3748	msedge.exe	43
PID 3748 wrote to memory of 3064	3748	msedge.exe	43
PID 3748 wrote to memory of 3064	3748	msedge.exe	43
PID 3748 wrote to memory of 3064	3748	msedge.exe	43
PID 3748 wrote to memory of 3064	3748	msedge.exe	43
PID 3748 wrote to memory of 3064	3748	msedge.exe	43
PID 3748 wrote to memory of 3064	3748	msedge.exe	43
PID 3748 wrote to memory of 3064	3748	msedge.exe	43
PID 3748 wrote to memory of 3064	3748	msedge.exe	43
PID 3748 wrote to memory of 3064	3748	msedge.exe	43
PID 3748 wrote to memory of 3064	3748	msedge.exe	43
PID 3748 wrote to memory of 3064	3748	msedge.exe	43
PID 3748 wrote to memory of 3064	3748	msedge.exe	43
PID 3748 wrote to memory of 3064	3748	msedge.exe	43
PID 3748 wrote to memory of 3064	3748	msedge.exe	43
PID 3748 wrote to memory of 3064	3748	msedge.exe	43
PID 3748 wrote to memory of 3064	3748	msedge.exe	43
PID 3748 wrote to memory of 3064	3748	msedge.exe	43
PID 3748 wrote to memory of 3064	3748	msedge.exe	43
PID 3748 wrote to memory of 3064	3748	msedge.exe	43
PID 3748 wrote to memory of 3064	3748	msedge.exe	43
PID 3748 wrote to memory of 3064	3748	msedge.exe	43
PID 3748 wrote to memory of 3064	3748	msedge.exe	43
PID 3748 wrote to memory of 3064	3748	msedge.exe	43
PID 3748 wrote to memory of 3064	3748	msedge.exe	43
PID 3748 wrote to memory of 3064	3748	msedge.exe	43
PID 3748 wrote to memory of 3064	3748	msedge.exe	43
PID 3748 wrote to memory of 3064	3748	msedge.exe	43
PID 3748 wrote to memory of 3064	3748	msedge.exe	43
PID 3748 wrote to memory of 3064	3748	msedge.exe	43
PID 3748 wrote to memory of 3064	3748	msedge.exe	43
PID 3748 wrote to memory of 3064	3748	msedge.exe	43
PID 3748 wrote to memory of 3064	3748	msedge.exe	43
PID 3748 wrote to memory of 3064	3748	msedge.exe	43
PID 3748 wrote to memory of 3064	3748	msedge.exe	43
PID 3748 wrote to memory of 3064	3748	msedge.exe	43
PID 3748 wrote to memory of 3064	3748	msedge.exe	43
PID 3748 wrote to memory of 3064	3748	msedge.exe	43
PID 3748 wrote to memory of 3064	3748	msedge.exe	43
PID 3748 wrote to memory of 5008	3748	msedge.exe	42
PID 3748 wrote to memory of 5008	3748	msedge.exe	42
PID 3748 wrote to memory of 468	3748	msedge.exe	35
PID 3748 wrote to memory of 468	3748	msedge.exe	35
PID 3748 wrote to memory of 468	3748	msedge.exe	35
PID 3748 wrote to memory of 468	3748	msedge.exe	35
PID 3748 wrote to memory of 468	3748	msedge.exe	35
PID 3748 wrote to memory of 468	3748	msedge.exe	35
PID 3748 wrote to memory of 468	3748	msedge.exe	35
PID 3748 wrote to memory of 468	3748	msedge.exe	35
PID 3748 wrote to memory of 468	3748	msedge.exe	35
PID 3748 wrote to memory of 468	3748	msedge.exe	35
PID 3748 wrote to memory of 468	3748	msedge.exe	35
PID 3748 wrote to memory of 468	3748	msedge.exe	35
PID 3748 wrote to memory of 468	3748	msedge.exe	35
PID 3748 wrote to memory of 468	3748	msedge.exe	35
PID 3748 wrote to memory of 468	3748	msedge.exe	35
PID 3748 wrote to memory of 468	3748	msedge.exe	35
PID 3748 wrote to memory of 468	3748	msedge.exe	35
PID 3748 wrote to memory of 468	3748	msedge.exe	35

C:\Users\Admin\AppData\Local\Temp\21cfedb544d49fad5d9e7cc2300ab2fa.exe
"C:\Users\Admin\AppData\Local\Temp\21cfedb544d49fad5d9e7cc2300ab2fa.exe"
1⤵
- Checks whether UAC is enabled
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:816
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://www.bigfishgames.com/download-games/876/masterofdefense/download.html?afcode=af628d3a27a2
  2⤵
  - Enumerates system info in registry
  - NTFS ADS
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:3748
- - 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=2088,14194403592710712991,2708360932300040745,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2756 /prefetch:8
    3⤵
    PID:468
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,14194403592710712991,2708360932300040745,131072 --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=3280 /prefetch:1
    3⤵
    PID:1240
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,14194403592710712991,2708360932300040745,131072 --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=3256 /prefetch:1
    3⤵
    PID:2580
- - 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=2088,14194403592710712991,2708360932300040745,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2388 /prefetch:3
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:5008
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2088,14194403592710712991,2708360932300040745,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2104 /prefetch:2
    3⤵
    PID:3064
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,14194403592710712991,2708360932300040745,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5240 /prefetch:1
    3⤵
    PID:1652
- - C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2088,14194403592710712991,2708360932300040745,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5376 /prefetch:8
    3⤵
    PID:952
- - C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2088,14194403592710712991,2708360932300040745,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5376 /prefetch:8
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:1320
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=edge_collections.mojom.CollectionsDataManager --field-trial-handle=2088,14194403592710712991,2708360932300040745,131072 --lang=en-US --service-sandbox-type=collections --mojo-platform-channel-handle=5204 /prefetch:8
    3⤵
    PID:1664
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,14194403592710712991,2708360932300040745,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5984 /prefetch:1
    3⤵
    PID:1452
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=chrome.mojom.UtilReadIcon --field-trial-handle=2088,14194403592710712991,2708360932300040745,131072 --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=6340 /prefetch:8
    3⤵
    PID:3936
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,14194403592710712991,2708360932300040745,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5952 /prefetch:1
    3⤵
    PID:2328
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,14194403592710712991,2708360932300040745,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=15 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4724 /prefetch:1
    3⤵
    PID:5308
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,14194403592710712991,2708360932300040745,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5500 /prefetch:1
    3⤵
    PID:5300
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2088,14194403592710712991,2708360932300040745,131072 --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=4318 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --gpu-preferences=UAAAAAAAAADoAAAQAAAAAAAAAAAAAAAAAABgAAAEAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=4736 /prefetch:2
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:1840

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=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xfc,0x100,0x104,0xe0,0x108,0x7ffca1c146f8,0x7ffca1c14708,0x7ffca1c14718
1⤵
PID:5072

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5052

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3140

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/816-0-0x0000000000400000-0x000000000055F000-memory.dmp

Filesize
1.4MB

Download