hxxp://eypayroll[.]pl

Resubmissions

13/02/2024, 10:41

240213-mrjaqshb26 1

13/02/2024, 10:28

240213-mhmlssfe6v 1

Analysis

max time kernel
145s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
13/02/2024, 10:28

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General

Target

http://eypayroll.pl

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 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 10 IoCs

pid	Process
4200	msedge.exe
4200	msedge.exe
4604	msedge.exe
4604	msedge.exe
948	identity_helper.exe
948	identity_helper.exe
780	msedge.exe
780	msedge.exe
780	msedge.exe
780	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 10 IoCs

pid	Process
4604	msedge.exe
4604	msedge.exe
4604	msedge.exe
4604	msedge.exe
4604	msedge.exe
4604	msedge.exe
4604	msedge.exe
4604	msedge.exe
4604	msedge.exe
4604	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
4604	msedge.exe
4604	msedge.exe
4604	msedge.exe
4604	msedge.exe
4604	msedge.exe
4604	msedge.exe
4604	msedge.exe
4604	msedge.exe
4604	msedge.exe
4604	msedge.exe
4604	msedge.exe
4604	msedge.exe
4604	msedge.exe
4604	msedge.exe
4604	msedge.exe
4604	msedge.exe
4604	msedge.exe
4604	msedge.exe
4604	msedge.exe
4604	msedge.exe
4604	msedge.exe
4604	msedge.exe
4604	msedge.exe
4604	msedge.exe
4604	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
4604	msedge.exe
4604	msedge.exe
4604	msedge.exe
4604	msedge.exe
4604	msedge.exe
4604	msedge.exe
4604	msedge.exe
4604	msedge.exe
4604	msedge.exe
4604	msedge.exe
4604	msedge.exe
4604	msedge.exe
4604	msedge.exe
4604	msedge.exe
4604	msedge.exe
4604	msedge.exe
4604	msedge.exe
4604	msedge.exe
4604	msedge.exe
4604	msedge.exe
4604	msedge.exe
4604	msedge.exe
4604	msedge.exe
4604	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4604 wrote to memory of 1456	4604	msedge.exe	81
PID 4604 wrote to memory of 1456	4604	msedge.exe	81
PID 4604 wrote to memory of 4084	4604	msedge.exe	85
PID 4604 wrote to memory of 4084	4604	msedge.exe	85
PID 4604 wrote to memory of 4084	4604	msedge.exe	85
PID 4604 wrote to memory of 4084	4604	msedge.exe	85
PID 4604 wrote to memory of 4084	4604	msedge.exe	85
PID 4604 wrote to memory of 4084	4604	msedge.exe	85
PID 4604 wrote to memory of 4084	4604	msedge.exe	85
PID 4604 wrote to memory of 4084	4604	msedge.exe	85
PID 4604 wrote to memory of 4084	4604	msedge.exe	85
PID 4604 wrote to memory of 4084	4604	msedge.exe	85
PID 4604 wrote to memory of 4084	4604	msedge.exe	85
PID 4604 wrote to memory of 4084	4604	msedge.exe	85
PID 4604 wrote to memory of 4084	4604	msedge.exe	85
PID 4604 wrote to memory of 4084	4604	msedge.exe	85
PID 4604 wrote to memory of 4084	4604	msedge.exe	85
PID 4604 wrote to memory of 4084	4604	msedge.exe	85
PID 4604 wrote to memory of 4084	4604	msedge.exe	85
PID 4604 wrote to memory of 4084	4604	msedge.exe	85
PID 4604 wrote to memory of 4084	4604	msedge.exe	85
PID 4604 wrote to memory of 4084	4604	msedge.exe	85
PID 4604 wrote to memory of 4084	4604	msedge.exe	85
PID 4604 wrote to memory of 4084	4604	msedge.exe	85
PID 4604 wrote to memory of 4084	4604	msedge.exe	85
PID 4604 wrote to memory of 4084	4604	msedge.exe	85
PID 4604 wrote to memory of 4084	4604	msedge.exe	85
PID 4604 wrote to memory of 4084	4604	msedge.exe	85
PID 4604 wrote to memory of 4084	4604	msedge.exe	85
PID 4604 wrote to memory of 4084	4604	msedge.exe	85
PID 4604 wrote to memory of 4084	4604	msedge.exe	85
PID 4604 wrote to memory of 4084	4604	msedge.exe	85
PID 4604 wrote to memory of 4084	4604	msedge.exe	85
PID 4604 wrote to memory of 4084	4604	msedge.exe	85
PID 4604 wrote to memory of 4084	4604	msedge.exe	85
PID 4604 wrote to memory of 4084	4604	msedge.exe	85
PID 4604 wrote to memory of 4084	4604	msedge.exe	85
PID 4604 wrote to memory of 4084	4604	msedge.exe	85
PID 4604 wrote to memory of 4084	4604	msedge.exe	85
PID 4604 wrote to memory of 4084	4604	msedge.exe	85
PID 4604 wrote to memory of 4084	4604	msedge.exe	85
PID 4604 wrote to memory of 4084	4604	msedge.exe	85
PID 4604 wrote to memory of 4200	4604	msedge.exe	84
PID 4604 wrote to memory of 4200	4604	msedge.exe	84
PID 4604 wrote to memory of 1536	4604	msedge.exe	86
PID 4604 wrote to memory of 1536	4604	msedge.exe	86
PID 4604 wrote to memory of 1536	4604	msedge.exe	86
PID 4604 wrote to memory of 1536	4604	msedge.exe	86
PID 4604 wrote to memory of 1536	4604	msedge.exe	86
PID 4604 wrote to memory of 1536	4604	msedge.exe	86
PID 4604 wrote to memory of 1536	4604	msedge.exe	86
PID 4604 wrote to memory of 1536	4604	msedge.exe	86
PID 4604 wrote to memory of 1536	4604	msedge.exe	86
PID 4604 wrote to memory of 1536	4604	msedge.exe	86
PID 4604 wrote to memory of 1536	4604	msedge.exe	86
PID 4604 wrote to memory of 1536	4604	msedge.exe	86
PID 4604 wrote to memory of 1536	4604	msedge.exe	86
PID 4604 wrote to memory of 1536	4604	msedge.exe	86
PID 4604 wrote to memory of 1536	4604	msedge.exe	86
PID 4604 wrote to memory of 1536	4604	msedge.exe	86
PID 4604 wrote to memory of 1536	4604	msedge.exe	86
PID 4604 wrote to memory of 1536	4604	msedge.exe	86
PID 4604 wrote to memory of 1536	4604	msedge.exe	86
PID 4604 wrote to memory of 1536	4604	msedge.exe	86

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://eypayroll.pl
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:4604
- 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,0x100,0x104,0xd8,0x108,0x7ff9e81346f8,0x7ff9e8134708,0x7ff9e8134718
  2⤵
  PID:1456
- 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=2056,2850718114064471806,4834824438931608234,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2184 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4200
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2056,2850718114064471806,4834824438931608234,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2088 /prefetch:2
  2⤵
  PID:4084
- 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=2056,2850718114064471806,4834824438931608234,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2848 /prefetch:8
  2⤵
  PID:1536
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2056,2850718114064471806,4834824438931608234,131072 --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=3296 /prefetch:1
  2⤵
  PID:3300
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2056,2850718114064471806,4834824438931608234,131072 --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:2716
- 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=2056,2850718114064471806,4834824438931608234,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5212 /prefetch:8
  2⤵
  PID:2708
- 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=2056,2850718114064471806,4834824438931608234,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5212 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:948
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2056,2850718114064471806,4834824438931608234,131072 --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=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5384 /prefetch:1
  2⤵
  PID:1808
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2056,2850718114064471806,4834824438931608234,131072 --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=4992 /prefetch:1
  2⤵
  PID:2280
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2056,2850718114064471806,4834824438931608234,131072 --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=3380 /prefetch:1
  2⤵
  PID:1184
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2056,2850718114064471806,4834824438931608234,131072 --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=3328 /prefetch:1
  2⤵
  PID:4476
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2056,2850718114064471806,4834824438931608234,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6048 /prefetch:1
  2⤵
  PID:2116
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2056,2850718114064471806,4834824438931608234,131072 --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=3992 /prefetch:1
  2⤵
  PID:2212
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2056,2850718114064471806,4834824438931608234,131072 --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=4240 /prefetch:1
  2⤵
  PID:316
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2056,2850718114064471806,4834824438931608234,131072 --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=5988 /prefetch:1
  2⤵
  PID:3068
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2056,2850718114064471806,4834824438931608234,131072 --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=1268 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:780

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1964

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3728

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
1386433ecc349475d39fb1e4f9e149a0

SHA1
f04f71ac77cb30f1d04fd16d42852322a8b2680f

SHA256
a7c79320a37d3516823f533e0ca73ed54fc4cdade9999b9827d06ea9f8916bbc

SHA512
fcd5449c58ead25955d01739929c42ffc89b9007bc2c8779c05271f2d053be66e05414c410738c35572ef31811aff908e7fe3dd7a9cef33c27acb308a420280e

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

Filesize
5KB

MD5
bd50ce6ead03c6de37b47d2470f748a6

SHA1
805c6488dccc006471af83e17469f88c93bf7539

SHA256
79e877c2a2a4dd991760d7f060b5f6770e3e6f1029b96b0ac530fb98cd321759

SHA512
aa215c2e0c964968367bb36a7d639367e87ffb67ac66af84168602998225208a82c4665be5b695706f109bae5e93d7e9ee5f156da445044dba60433c5f42b94f

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

Filesize
5KB

MD5
67b840b358315564753f74e20f454d46

SHA1
6d79f30e7c8fa657a7113f7a85d0f5915e213985

SHA256
d8ccae64498f2c67a176714de95337737491709c141366ea3698a2332bbd1734

SHA512
f19ebb865d65270d6ec2884f91de2e8bf8e8bd607dc4348e227467417d2dd6148801382da02526b781f592f75818b19788388b19d9db3922f6923ff10203919a

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

Filesize
24KB

MD5
e664066e3aa135f185ed1c194b9fa1f8

SHA1
358ff3c6ad0580b8ae1e5ef2a89a4e597c2efdc5

SHA256
86e595be48dbc768a52d7ea62116036c024093e1302aced8c29dd6a2d9935617

SHA512
58710818b5f664006a5aa418da6c8cd3f709c2265bc161f81b9dfe6cdb8304fabaa4ce9deba419fe4281623feeeaa0321f481ae5855d347c6d8cf95968ee905e

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
fdce1142dda6772ce356e7c641a90ae5

SHA1
5aabca7f7b47a2ce9584bcc8ae78f0d636198aa4

SHA256
4e81329c54ec702e42ff465072051ac263a9ddbd7928658044e959ed0348232d

SHA512
78144972f42a734230cf4c0f32666d2de228acf7184808194dbdae06335f056ddd2e1dff6efc5e0c01c28f7a2490d38d2400fd56977231f67e34d97f35de1d84

Download Submit