hxxp://irs-gov[.]online

Analysis

max time kernel
278s
max time network
244s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
18/03/2024, 22:05

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General

Target

http://irs-gov.online

Score

1^/10

Malware Config

Signatures

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

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

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
4524	msedge.exe
4524	msedge.exe
4968	msedge.exe
4968	msedge.exe
2052	identity_helper.exe
2052	identity_helper.exe
2172	msedge.exe
2172	msedge.exe
2172	msedge.exe
2172	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 10 IoCs

pid	Process
4968	msedge.exe
4968	msedge.exe
4968	msedge.exe
4968	msedge.exe
4968	msedge.exe
4968	msedge.exe
4968	msedge.exe
4968	msedge.exe
4968	msedge.exe
4968	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
4968	msedge.exe
4968	msedge.exe
4968	msedge.exe
4968	msedge.exe
4968	msedge.exe
4968	msedge.exe
4968	msedge.exe
4968	msedge.exe
4968	msedge.exe
4968	msedge.exe
4968	msedge.exe
4968	msedge.exe
4968	msedge.exe
4968	msedge.exe
4968	msedge.exe
4968	msedge.exe
4968	msedge.exe
4968	msedge.exe
4968	msedge.exe
4968	msedge.exe
4968	msedge.exe
4968	msedge.exe
4968	msedge.exe
4968	msedge.exe
4968	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
4968	msedge.exe
4968	msedge.exe
4968	msedge.exe
4968	msedge.exe
4968	msedge.exe
4968	msedge.exe
4968	msedge.exe
4968	msedge.exe
4968	msedge.exe
4968	msedge.exe
4968	msedge.exe
4968	msedge.exe
4968	msedge.exe
4968	msedge.exe
4968	msedge.exe
4968	msedge.exe
4968	msedge.exe
4968	msedge.exe
4968	msedge.exe
4968	msedge.exe
4968	msedge.exe
4968	msedge.exe
4968	msedge.exe
4968	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4968 wrote to memory of 4628	4968	msedge.exe	84
PID 4968 wrote to memory of 4628	4968	msedge.exe	84
PID 4968 wrote to memory of 4788	4968	msedge.exe	85
PID 4968 wrote to memory of 4788	4968	msedge.exe	85
PID 4968 wrote to memory of 4788	4968	msedge.exe	85
PID 4968 wrote to memory of 4788	4968	msedge.exe	85
PID 4968 wrote to memory of 4788	4968	msedge.exe	85
PID 4968 wrote to memory of 4788	4968	msedge.exe	85
PID 4968 wrote to memory of 4788	4968	msedge.exe	85
PID 4968 wrote to memory of 4788	4968	msedge.exe	85
PID 4968 wrote to memory of 4788	4968	msedge.exe	85
PID 4968 wrote to memory of 4788	4968	msedge.exe	85
PID 4968 wrote to memory of 4788	4968	msedge.exe	85
PID 4968 wrote to memory of 4788	4968	msedge.exe	85
PID 4968 wrote to memory of 4788	4968	msedge.exe	85
PID 4968 wrote to memory of 4788	4968	msedge.exe	85
PID 4968 wrote to memory of 4788	4968	msedge.exe	85
PID 4968 wrote to memory of 4788	4968	msedge.exe	85
PID 4968 wrote to memory of 4788	4968	msedge.exe	85
PID 4968 wrote to memory of 4788	4968	msedge.exe	85
PID 4968 wrote to memory of 4788	4968	msedge.exe	85
PID 4968 wrote to memory of 4788	4968	msedge.exe	85
PID 4968 wrote to memory of 4788	4968	msedge.exe	85
PID 4968 wrote to memory of 4788	4968	msedge.exe	85
PID 4968 wrote to memory of 4788	4968	msedge.exe	85
PID 4968 wrote to memory of 4788	4968	msedge.exe	85
PID 4968 wrote to memory of 4788	4968	msedge.exe	85
PID 4968 wrote to memory of 4788	4968	msedge.exe	85
PID 4968 wrote to memory of 4788	4968	msedge.exe	85
PID 4968 wrote to memory of 4788	4968	msedge.exe	85
PID 4968 wrote to memory of 4788	4968	msedge.exe	85
PID 4968 wrote to memory of 4788	4968	msedge.exe	85
PID 4968 wrote to memory of 4788	4968	msedge.exe	85
PID 4968 wrote to memory of 4788	4968	msedge.exe	85
PID 4968 wrote to memory of 4788	4968	msedge.exe	85
PID 4968 wrote to memory of 4788	4968	msedge.exe	85
PID 4968 wrote to memory of 4788	4968	msedge.exe	85
PID 4968 wrote to memory of 4788	4968	msedge.exe	85
PID 4968 wrote to memory of 4788	4968	msedge.exe	85
PID 4968 wrote to memory of 4788	4968	msedge.exe	85
PID 4968 wrote to memory of 4788	4968	msedge.exe	85
PID 4968 wrote to memory of 4788	4968	msedge.exe	85
PID 4968 wrote to memory of 4524	4968	msedge.exe	86
PID 4968 wrote to memory of 4524	4968	msedge.exe	86
PID 4968 wrote to memory of 660	4968	msedge.exe	87
PID 4968 wrote to memory of 660	4968	msedge.exe	87
PID 4968 wrote to memory of 660	4968	msedge.exe	87
PID 4968 wrote to memory of 660	4968	msedge.exe	87
PID 4968 wrote to memory of 660	4968	msedge.exe	87
PID 4968 wrote to memory of 660	4968	msedge.exe	87
PID 4968 wrote to memory of 660	4968	msedge.exe	87
PID 4968 wrote to memory of 660	4968	msedge.exe	87
PID 4968 wrote to memory of 660	4968	msedge.exe	87
PID 4968 wrote to memory of 660	4968	msedge.exe	87
PID 4968 wrote to memory of 660	4968	msedge.exe	87
PID 4968 wrote to memory of 660	4968	msedge.exe	87
PID 4968 wrote to memory of 660	4968	msedge.exe	87
PID 4968 wrote to memory of 660	4968	msedge.exe	87
PID 4968 wrote to memory of 660	4968	msedge.exe	87
PID 4968 wrote to memory of 660	4968	msedge.exe	87
PID 4968 wrote to memory of 660	4968	msedge.exe	87
PID 4968 wrote to memory of 660	4968	msedge.exe	87
PID 4968 wrote to memory of 660	4968	msedge.exe	87
PID 4968 wrote to memory of 660	4968	msedge.exe	87

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://irs-gov.online
1⤵
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4968
- 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,0x100,0x104,0xd8,0x108,0x7ffcc71546f8,0x7ffcc7154708,0x7ffcc7154718
  2⤵
  PID:4628
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2120,111591610291085143,16888768241838645609,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2132 /prefetch:2
  2⤵
  PID:4788
- 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=2120,111591610291085143,16888768241838645609,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2204 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4524
- 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=2120,111591610291085143,16888768241838645609,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2808 /prefetch:8
  2⤵
  PID:660
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,111591610291085143,16888768241838645609,131072 --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
  2⤵
  PID:3184
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,111591610291085143,16888768241838645609,131072 --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=3276 /prefetch:1
  2⤵
  PID:1564
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,111591610291085143,16888768241838645609,131072 --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=4064 /prefetch:1
  2⤵
  PID:2392
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,111591610291085143,16888768241838645609,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3348 /prefetch:1
  2⤵
  PID:4744
- 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=2120,111591610291085143,16888768241838645609,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5092 /prefetch:8
  2⤵
  PID:3944
- 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=2120,111591610291085143,16888768241838645609,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5092 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2052
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,111591610291085143,16888768241838645609,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5160 /prefetch:1
  2⤵
  PID:3776
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,111591610291085143,16888768241838645609,131072 --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=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4092 /prefetch:1
  2⤵
  PID:3904
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,111591610291085143,16888768241838645609,131072 --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=3592 /prefetch:1
  2⤵
  PID:636
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,111591610291085143,16888768241838645609,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5672 /prefetch:1
  2⤵
  PID:552
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,111591610291085143,16888768241838645609,131072 --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=2800 /prefetch:1
  2⤵
  PID:1592
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,111591610291085143,16888768241838645609,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=15 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4040 /prefetch:1
  2⤵
  PID:2612
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2120,111591610291085143,16888768241838645609,131072 --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=2312 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2172

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1628

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4528

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

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

Filesize
152B

MD5
4d6e17218d9a99976d1a14c6f6944c96

SHA1
9e54a19d6c61d99ac8759c5f07b2f0d5faab447f

SHA256
32e343d2794af8bc6f2f7c905b5df11d53db4ad8922b92ad5e7cc9c856509d93

SHA512
3fa166b3e2d1236298d8dda7071a6fcf2bde283f181b8b0a07c0bb8ba756d6f55fa8a847ca5286d4dbabc6dace67e842a118866320ac01bd5f93cccd3a032e47

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

Filesize
111B

MD5
285252a2f6327d41eab203dc2f402c67

SHA1
acedb7ba5fbc3ce914a8bf386a6f72ca7baa33c6

SHA256
5dfc321417fc31359f23320ea68014ebfd793c5bbed55f77dab4180bbd4a2026

SHA512
11ce7cb484fee66894e63c31db0d6b7ef66ad0327d4e7e2eb85f3bcc2e836a3a522c68d681e84542e471e54f765e091efe1ee4065641b0299b15613eb32dcc0d

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

Filesize
5KB

MD5
893f0a027395088c22a8a5e223cf51e2

SHA1
28aaba577e593a443bdfd8787fa31bcaac9bf8a7

SHA256
dd3469606aa5720a46856c6476d62f419df88ab62f5c9730054163332d0993f9

SHA512
a07bdd7b03ff5841e3607d37f3eafcd78293e2972f8fa2ed1d2d213b6d4921dae3c6e3b9a4e75778d026501d7124500e6e5e8c105897e431789ff28325454e5c

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

Filesize
5KB

MD5
a66831402b47cec384b38f635d2771ce

SHA1
461bf24521a877850aeffb192cc791cb8a52008a

SHA256
35d656d8aba1d1af644f978fc36890c475902a1d6db58763497fcf76765ecfcd

SHA512
954d9f4e14f477fd6be55fb8a5945bf721716a1e451b9f235d34dd97eb9bad9f70fcb116165e859a7171788ee678cf59948824f5896fe8a02ec7e70f3a9fb676

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

Filesize
24KB

MD5
c2ef1d773c3f6f230cedf469f7e34059

SHA1
e410764405adcfead3338c8d0b29371fd1a3f292

SHA256
185450d538a894e4dcf55b428f506f3d7baa86664fbbc67afd6c255b65178521

SHA512
2ef93803da4d630916bed75d678382fd1c72bff1700a1a72e2612431c6d5e11410ced4eaf522b388028aeadb08e8a77513e16594e6ab081f6d6203e4caa7d549

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

Filesize
16B

MD5
6752a1d65b201c13b62ea44016eb221f

SHA1
58ecf154d01a62233ed7fb494ace3c3d4ffce08b

SHA256
0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd

SHA512
9cfd838d3fb570b44fc3461623ab2296123404c6c8f576b0de0aabd9a6020840d4c9125eb679ed384170dbcaac2fa30dc7fa9ee5b77d6df7c344a0aa030e0389

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

Filesize
10KB

MD5
bbac331be982b50ff1d263264569f714

SHA1
e4af928010dbc4068cff9e1164cce596b55d67ad

SHA256
b031a5a96010300490ab0564dfec02128c3f797acacb86a9747902973a042c13

SHA512
a03906fb53dd968685cfe683c523ecf812ffbc060a70d1e1cb9ddc9aae7968eabf53671b71c53890a421ea9365ec81503bc9e6ec58fd7878bf80d8e670bfd70d

Download Submit