hxxps://flexso[.]4me[.]com

Analysis

max time kernel
145s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06-08-2024 11:15

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General

Target

https://flexso.4me.com

Score

3^/10

discovery

Malware Config

Signatures

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

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
4252	msedge.exe
4252	msedge.exe
2732	msedge.exe
2732	msedge.exe
2576	identity_helper.exe
2576	identity_helper.exe
3636	msedge.exe
3636	msedge.exe
3636	msedge.exe
3636	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs

pid	Process
2732	msedge.exe
2732	msedge.exe
2732	msedge.exe
2732	msedge.exe
2732	msedge.exe
2732	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
2732	msedge.exe
2732	msedge.exe
2732	msedge.exe
2732	msedge.exe
2732	msedge.exe
2732	msedge.exe
2732	msedge.exe
2732	msedge.exe
2732	msedge.exe
2732	msedge.exe
2732	msedge.exe
2732	msedge.exe
2732	msedge.exe
2732	msedge.exe
2732	msedge.exe
2732	msedge.exe
2732	msedge.exe
2732	msedge.exe
2732	msedge.exe
2732	msedge.exe
2732	msedge.exe
2732	msedge.exe
2732	msedge.exe
2732	msedge.exe
2732	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
2732	msedge.exe
2732	msedge.exe
2732	msedge.exe
2732	msedge.exe
2732	msedge.exe
2732	msedge.exe
2732	msedge.exe
2732	msedge.exe
2732	msedge.exe
2732	msedge.exe
2732	msedge.exe
2732	msedge.exe
2732	msedge.exe
2732	msedge.exe
2732	msedge.exe
2732	msedge.exe
2732	msedge.exe
2732	msedge.exe
2732	msedge.exe
2732	msedge.exe
2732	msedge.exe
2732	msedge.exe
2732	msedge.exe
2732	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2732 wrote to memory of 1996	2732	msedge.exe	83
PID 2732 wrote to memory of 1996	2732	msedge.exe	83
PID 2732 wrote to memory of 588	2732	msedge.exe	85
PID 2732 wrote to memory of 588	2732	msedge.exe	85
PID 2732 wrote to memory of 588	2732	msedge.exe	85
PID 2732 wrote to memory of 588	2732	msedge.exe	85
PID 2732 wrote to memory of 588	2732	msedge.exe	85
PID 2732 wrote to memory of 588	2732	msedge.exe	85
PID 2732 wrote to memory of 588	2732	msedge.exe	85
PID 2732 wrote to memory of 588	2732	msedge.exe	85
PID 2732 wrote to memory of 588	2732	msedge.exe	85
PID 2732 wrote to memory of 588	2732	msedge.exe	85
PID 2732 wrote to memory of 588	2732	msedge.exe	85
PID 2732 wrote to memory of 588	2732	msedge.exe	85
PID 2732 wrote to memory of 588	2732	msedge.exe	85
PID 2732 wrote to memory of 588	2732	msedge.exe	85
PID 2732 wrote to memory of 588	2732	msedge.exe	85
PID 2732 wrote to memory of 588	2732	msedge.exe	85
PID 2732 wrote to memory of 588	2732	msedge.exe	85
PID 2732 wrote to memory of 588	2732	msedge.exe	85
PID 2732 wrote to memory of 588	2732	msedge.exe	85
PID 2732 wrote to memory of 588	2732	msedge.exe	85
PID 2732 wrote to memory of 588	2732	msedge.exe	85
PID 2732 wrote to memory of 588	2732	msedge.exe	85
PID 2732 wrote to memory of 588	2732	msedge.exe	85
PID 2732 wrote to memory of 588	2732	msedge.exe	85
PID 2732 wrote to memory of 588	2732	msedge.exe	85
PID 2732 wrote to memory of 588	2732	msedge.exe	85
PID 2732 wrote to memory of 588	2732	msedge.exe	85
PID 2732 wrote to memory of 588	2732	msedge.exe	85
PID 2732 wrote to memory of 588	2732	msedge.exe	85
PID 2732 wrote to memory of 588	2732	msedge.exe	85
PID 2732 wrote to memory of 588	2732	msedge.exe	85
PID 2732 wrote to memory of 588	2732	msedge.exe	85
PID 2732 wrote to memory of 588	2732	msedge.exe	85
PID 2732 wrote to memory of 588	2732	msedge.exe	85
PID 2732 wrote to memory of 588	2732	msedge.exe	85
PID 2732 wrote to memory of 588	2732	msedge.exe	85
PID 2732 wrote to memory of 588	2732	msedge.exe	85
PID 2732 wrote to memory of 588	2732	msedge.exe	85
PID 2732 wrote to memory of 588	2732	msedge.exe	85
PID 2732 wrote to memory of 588	2732	msedge.exe	85
PID 2732 wrote to memory of 4252	2732	msedge.exe	86
PID 2732 wrote to memory of 4252	2732	msedge.exe	86
PID 2732 wrote to memory of 4760	2732	msedge.exe	87
PID 2732 wrote to memory of 4760	2732	msedge.exe	87
PID 2732 wrote to memory of 4760	2732	msedge.exe	87
PID 2732 wrote to memory of 4760	2732	msedge.exe	87
PID 2732 wrote to memory of 4760	2732	msedge.exe	87
PID 2732 wrote to memory of 4760	2732	msedge.exe	87
PID 2732 wrote to memory of 4760	2732	msedge.exe	87
PID 2732 wrote to memory of 4760	2732	msedge.exe	87
PID 2732 wrote to memory of 4760	2732	msedge.exe	87
PID 2732 wrote to memory of 4760	2732	msedge.exe	87
PID 2732 wrote to memory of 4760	2732	msedge.exe	87
PID 2732 wrote to memory of 4760	2732	msedge.exe	87
PID 2732 wrote to memory of 4760	2732	msedge.exe	87
PID 2732 wrote to memory of 4760	2732	msedge.exe	87
PID 2732 wrote to memory of 4760	2732	msedge.exe	87
PID 2732 wrote to memory of 4760	2732	msedge.exe	87
PID 2732 wrote to memory of 4760	2732	msedge.exe	87
PID 2732 wrote to memory of 4760	2732	msedge.exe	87
PID 2732 wrote to memory of 4760	2732	msedge.exe	87
PID 2732 wrote to memory of 4760	2732	msedge.exe	87

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://flexso.4me.com
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:2732
- 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,0x100,0x104,0xd8,0x108,0x7fff540d46f8,0x7fff540d4708,0x7fff540d4718
  2⤵
  PID:1996
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2096,5419045720216470904,2814262988659914310,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2124 /prefetch:2
  2⤵
  PID:588
- 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=2096,5419045720216470904,2814262988659914310,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2324 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4252
- 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=2096,5419045720216470904,2814262988659914310,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2824 /prefetch:8
  2⤵
  PID:4760
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2096,5419045720216470904,2814262988659914310,131072 --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=3284 /prefetch:1
  2⤵
  PID:4432
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2096,5419045720216470904,2814262988659914310,131072 --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=3300 /prefetch:1
  2⤵
  PID:2064
- 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=2096,5419045720216470904,2814262988659914310,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5192 /prefetch:8
  2⤵
  PID:876
- 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=2096,5419045720216470904,2814262988659914310,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5192 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2576
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2096,5419045720216470904,2814262988659914310,131072 --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=5308 /prefetch:1
  2⤵
  PID:3284
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2096,5419045720216470904,2814262988659914310,131072 --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=5320 /prefetch:1
  2⤵
  PID:388
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2096,5419045720216470904,2814262988659914310,131072 --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=5272 /prefetch:1
  2⤵
  PID:3144
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2096,5419045720216470904,2814262988659914310,131072 --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=5700 /prefetch:1
  2⤵
  PID:4592
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2096,5419045720216470904,2814262988659914310,131072 --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=4772 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3636

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3296

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1844

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

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
9e3fc58a8fb86c93d19e1500b873ef6f

SHA1
c6aae5f4e26f5570db5e14bba8d5061867a33b56

SHA256
828f4eacac1c40b790fd70dbb6fa6ba03dcc681171d9b2a6579626d27837b1c4

SHA512
e5e245b56fa82075e060f468a3224cf2ef43f1b6d87f0351a2102d85c7c897e559be4caeaecfdc4059af29fdc674681b61229319dda95cb2ee649b2eb98d313e

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

Filesize
152B

MD5
27304926d60324abe74d7a4b571c35ea

SHA1
78b8f92fcaf4a09eaa786bbe33fd1b0222ef29c1

SHA256
7039ad5c2b40f4d97c8c2269f4942be13436d739b2e1f8feb7a0c9f9fdb931de

SHA512
f5b6181d3f432238c7365f64fc8a373299e23ba8178bcc419471916ef8b23e909787c7c0617ab22e4eb90909c02bd7b84f1386fbc61e2bdb5a0eb474175da4bd

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\the-real-index

Filesize
192B

MD5
72ae56ff76338ed35787818abbf0cec5

SHA1
e5a0bae0f09d3b0a33f6e9c469595e458c1743c5

SHA256
1f9678fd8c59c59301f5835a2809bb27aeb320fb4cd8f5164caaff58ad75d080

SHA512
d10867216c1cad0a923b6fb7d2f3dd886306680c3a5e3872515d6c58bef687022ce2daa45b9af9761f44e66324dbb42bc4f9074121976e628476f19cbd41cf0b

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

Filesize
251B

MD5
0a1d9c00fabb3cb6b06d2f1192c3207f

SHA1
83dda3cfdff3aec2707cd4a883cca0425617854e

SHA256
39b18af4bfc69389f0465713c0d887a6a5b02c7d71685b2ccb90cf4ac83c3b24

SHA512
d22606ae2c101f763cb69f10ed964d53ac01afebec45aee5cd24de15362fad24706ee56de9a48af8f8ab3c8f54724d79bf9fd0ddad8b2369afdd24376a2ffc68

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

Filesize
6KB

MD5
1a3441a445d41481fbf43e449fe84196

SHA1
dbf72084454bbe22b19c45cfefdc4b169bc34af3

SHA256
e38f0497083bc9f1d9b041ddb2cc810c7671ee33a400c0666bdd6531be51ad02

SHA512
9a9bef9e608d60c101f85829feaec55fe0c7cd3d4b10d0a3078f47ad8a598feb904f72421675956daa43f424ecc3c7991f15eaea30df4bf665bdd2da93572c1f

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

Filesize
6KB

MD5
989d1b494b828cf9d38bc200eac6d5a9

SHA1
f27534abb44848e856edb7dcc2a97c23447fe891

SHA256
0f729e7a6ca17e03bc1e55b0d284fb88615257f4fbd48631040ae381a09bbf0c

SHA512
79029d42c34d0536436ab02f39fa7859ac277d3c5be4f89c3af409d78c4d75527077c50615936c85017286feaba65ba023d54d35b7e43dc940ade8e91575e977

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
024e067f783e50ed95c7cf3c73a50923

SHA1
98d4400db468450f7862b5102159d78f5835ca62

SHA256
bca2a67a363ce764d1734b58e55b25dd626fc8497b38178a6d9bb95d2c885c17

SHA512
a047a8b466c0bbc1977ea5afec4a92be95871da14bd8b4e0e7195957d66508c2c14310aadf004ea0b955cf6c6d1bc36ddbf8db868b095fd82397cac624e198d7

Download Submit