hxxps://emt-oylpheptb[.]sendserver[.]email/i/2_uUW5Ob1-8sCoshdfFUslX_Qfw7nRgR

Analysis

max time kernel
10s
max time network
14s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
14/03/2024, 11:34

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General

Target

https://emt-oylpheptb.sendserver.email/i/2_uUW5Ob1-8sCoshdfFUslX_Qfw7nRgR

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 6 IoCs

pid	Process
2328	msedge.exe
2328	msedge.exe
4428	msedge.exe
4428	msedge.exe
1372	identity_helper.exe
1372	identity_helper.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs

pid	Process
4428	msedge.exe
4428	msedge.exe
4428	msedge.exe
4428	msedge.exe
4428	msedge.exe
4428	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
4428	msedge.exe
4428	msedge.exe
4428	msedge.exe
4428	msedge.exe
4428	msedge.exe
4428	msedge.exe
4428	msedge.exe
4428	msedge.exe
4428	msedge.exe
4428	msedge.exe
4428	msedge.exe
4428	msedge.exe
4428	msedge.exe
4428	msedge.exe
4428	msedge.exe
4428	msedge.exe
4428	msedge.exe
4428	msedge.exe
4428	msedge.exe
4428	msedge.exe
4428	msedge.exe
4428	msedge.exe
4428	msedge.exe
4428	msedge.exe
4428	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
4428	msedge.exe
4428	msedge.exe
4428	msedge.exe
4428	msedge.exe
4428	msedge.exe
4428	msedge.exe
4428	msedge.exe
4428	msedge.exe
4428	msedge.exe
4428	msedge.exe
4428	msedge.exe
4428	msedge.exe
4428	msedge.exe
4428	msedge.exe
4428	msedge.exe
4428	msedge.exe
4428	msedge.exe
4428	msedge.exe
4428	msedge.exe
4428	msedge.exe
4428	msedge.exe
4428	msedge.exe
4428	msedge.exe
4428	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4428 wrote to memory of 2732	4428	msedge.exe	88
PID 4428 wrote to memory of 2732	4428	msedge.exe	88
PID 4428 wrote to memory of 1508	4428	msedge.exe	89
PID 4428 wrote to memory of 1508	4428	msedge.exe	89
PID 4428 wrote to memory of 1508	4428	msedge.exe	89
PID 4428 wrote to memory of 1508	4428	msedge.exe	89
PID 4428 wrote to memory of 1508	4428	msedge.exe	89
PID 4428 wrote to memory of 1508	4428	msedge.exe	89
PID 4428 wrote to memory of 1508	4428	msedge.exe	89
PID 4428 wrote to memory of 1508	4428	msedge.exe	89
PID 4428 wrote to memory of 1508	4428	msedge.exe	89
PID 4428 wrote to memory of 1508	4428	msedge.exe	89
PID 4428 wrote to memory of 1508	4428	msedge.exe	89
PID 4428 wrote to memory of 1508	4428	msedge.exe	89
PID 4428 wrote to memory of 1508	4428	msedge.exe	89
PID 4428 wrote to memory of 1508	4428	msedge.exe	89
PID 4428 wrote to memory of 1508	4428	msedge.exe	89
PID 4428 wrote to memory of 1508	4428	msedge.exe	89
PID 4428 wrote to memory of 1508	4428	msedge.exe	89
PID 4428 wrote to memory of 1508	4428	msedge.exe	89
PID 4428 wrote to memory of 1508	4428	msedge.exe	89
PID 4428 wrote to memory of 1508	4428	msedge.exe	89
PID 4428 wrote to memory of 1508	4428	msedge.exe	89
PID 4428 wrote to memory of 1508	4428	msedge.exe	89
PID 4428 wrote to memory of 1508	4428	msedge.exe	89
PID 4428 wrote to memory of 1508	4428	msedge.exe	89
PID 4428 wrote to memory of 1508	4428	msedge.exe	89
PID 4428 wrote to memory of 1508	4428	msedge.exe	89
PID 4428 wrote to memory of 1508	4428	msedge.exe	89
PID 4428 wrote to memory of 1508	4428	msedge.exe	89
PID 4428 wrote to memory of 1508	4428	msedge.exe	89
PID 4428 wrote to memory of 1508	4428	msedge.exe	89
PID 4428 wrote to memory of 1508	4428	msedge.exe	89
PID 4428 wrote to memory of 1508	4428	msedge.exe	89
PID 4428 wrote to memory of 1508	4428	msedge.exe	89
PID 4428 wrote to memory of 1508	4428	msedge.exe	89
PID 4428 wrote to memory of 1508	4428	msedge.exe	89
PID 4428 wrote to memory of 1508	4428	msedge.exe	89
PID 4428 wrote to memory of 1508	4428	msedge.exe	89
PID 4428 wrote to memory of 1508	4428	msedge.exe	89
PID 4428 wrote to memory of 1508	4428	msedge.exe	89
PID 4428 wrote to memory of 1508	4428	msedge.exe	89
PID 4428 wrote to memory of 2328	4428	msedge.exe	90
PID 4428 wrote to memory of 2328	4428	msedge.exe	90
PID 4428 wrote to memory of 1484	4428	msedge.exe	91
PID 4428 wrote to memory of 1484	4428	msedge.exe	91
PID 4428 wrote to memory of 1484	4428	msedge.exe	91
PID 4428 wrote to memory of 1484	4428	msedge.exe	91
PID 4428 wrote to memory of 1484	4428	msedge.exe	91
PID 4428 wrote to memory of 1484	4428	msedge.exe	91
PID 4428 wrote to memory of 1484	4428	msedge.exe	91
PID 4428 wrote to memory of 1484	4428	msedge.exe	91
PID 4428 wrote to memory of 1484	4428	msedge.exe	91
PID 4428 wrote to memory of 1484	4428	msedge.exe	91
PID 4428 wrote to memory of 1484	4428	msedge.exe	91
PID 4428 wrote to memory of 1484	4428	msedge.exe	91
PID 4428 wrote to memory of 1484	4428	msedge.exe	91
PID 4428 wrote to memory of 1484	4428	msedge.exe	91
PID 4428 wrote to memory of 1484	4428	msedge.exe	91
PID 4428 wrote to memory of 1484	4428	msedge.exe	91
PID 4428 wrote to memory of 1484	4428	msedge.exe	91
PID 4428 wrote to memory of 1484	4428	msedge.exe	91
PID 4428 wrote to memory of 1484	4428	msedge.exe	91
PID 4428 wrote to memory of 1484	4428	msedge.exe	91

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://emt-oylpheptb.sendserver.email/i/2_uUW5Ob1-8sCoshdfFUslX_Qfw7nRgR
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:4428
- 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,0x100,0x104,0xd8,0x108,0x7fff62f846f8,0x7fff62f84708,0x7fff62f84718
  2⤵
  PID:2732
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2064,3122151822635913033,6432100247386810128,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2076 /prefetch:2
  2⤵
  PID:1508
- 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=2064,3122151822635913033,6432100247386810128,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2156 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2328
- 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=2064,3122151822635913033,6432100247386810128,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2560 /prefetch:8
  2⤵
  PID:1484
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2064,3122151822635913033,6432100247386810128,131072 --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=3332 /prefetch:1
  2⤵
  PID:5100
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2064,3122151822635913033,6432100247386810128,131072 --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=3348 /prefetch:1
  2⤵
  PID:2108
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2064,3122151822635913033,6432100247386810128,131072 --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=5092 /prefetch:1
  2⤵
  PID:4644
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2064,3122151822635913033,6432100247386810128,131072 --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=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5108 /prefetch:1
  2⤵
  PID:2632
- 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=2064,3122151822635913033,6432100247386810128,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5508 /prefetch:8
  2⤵
  PID:4228
- 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=2064,3122151822635913033,6432100247386810128,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5508 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1372
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2064,3122151822635913033,6432100247386810128,131072 --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=4740 /prefetch:1
  2⤵
  PID:2884
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2064,3122151822635913033,6432100247386810128,131072 --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=5576 /prefetch:1
  2⤵
  PID:1632

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1632

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1752

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
9ffb5f81e8eccd0963c46cbfea1abc20

SHA1
a02a610afd3543de215565bc488a4343bb5c1a59

SHA256
3a654b499247e59e34040f3b192a0069e8f3904e2398cbed90e86d981378e8bc

SHA512
2d21e18ef3f800e6e43b8cf03639d04510433c04215923f5a96432a8aa361fdda282cd444210150d9dbf8f028825d5bc8a451fd53bd3e0c9528eeb80d6e86597

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

Filesize
152B

MD5
e1b45169ebca0dceadb0f45697799d62

SHA1
803604277318898e6f5c6fb92270ca83b5609cd5

SHA256
4c0224fb7cc26ccf74f5be586f18401db57cce935c767a446659b828a7b5ee60

SHA512
357965b8d5cfaf773dbd9b371d7e308d1c86a6c428e542adbfe6bac34a7d2061d0a2f59e84e5b42768930e9b109e9e9f2a87e95cf26b3a69cbff05654ee42b4e

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

Filesize
6KB

MD5
4640fc043961f4c516ce9ecc25570f92

SHA1
96f843ba5dc29207b8bc293b7b68bc94d75bbe2a

SHA256
353ee2e15aae1428bf7a9ab7a5e583221e47420580e5231eeffd52ab9947f158

SHA512
883b0e123e5e838d0f1fce32a6cdc078d42cfbb46de08ffc540efe8bd26dc823fd388257d701727a551c110c25f97b5f3c060f246dc36d9d3c5bec6403523d48

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

Filesize
6KB

MD5
9c5ed5fccbfc17ab6e32f32252586b5e

SHA1
00ff3b7653026454d27573bd545863e5d7be6cdd

SHA256
ce0e98be7e5ecb490d38f0bcc7fee7219eb77466dc5d97ea8d6869fd018daaee

SHA512
b2a2370accdefc6af96837f545a5f57508fde23dcca10d5a7019ae6abd4423579db6dbcc210c8ea4eb236a72ba780512124156b1349a32f81bf1381864dd6c6d

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
11KB

MD5
2c1e5d5e319d8fa754ec4ae7618bf987

SHA1
614fde4686b688afacfadb34dd68d725bed62bdf

SHA256
c27debd2f7c2ddba36e5a21224d3679d6a10df8b735db9077f175e8002f8a876

SHA512
3ba32b98c7e4a955b6b4f3476bd3755e2c2c8f8da047b06bb06fc861cef7a605441eaea1a8cb7b5b6de619dd05736204108b2e0174de2fb2397069c567abbc72

Download Submit