hxxp://email-stretto[.]com

Analysis

max time kernel
280s
max time network
284s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
18/11/2023, 12:24

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General

Target

http://email-stretto.com

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
3696	msedge.exe
3696	msedge.exe
3416	msedge.exe
3416	msedge.exe
3136	identity_helper.exe
3136	identity_helper.exe
3956	msedge.exe
3956	msedge.exe
3956	msedge.exe
3956	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs

pid	Process
3416	msedge.exe
3416	msedge.exe
3416	msedge.exe
3416	msedge.exe
3416	msedge.exe
3416	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
3416	msedge.exe
3416	msedge.exe
3416	msedge.exe
3416	msedge.exe
3416	msedge.exe
3416	msedge.exe
3416	msedge.exe
3416	msedge.exe
3416	msedge.exe
3416	msedge.exe
3416	msedge.exe
3416	msedge.exe
3416	msedge.exe
3416	msedge.exe
3416	msedge.exe
3416	msedge.exe
3416	msedge.exe
3416	msedge.exe
3416	msedge.exe
3416	msedge.exe
3416	msedge.exe
3416	msedge.exe
3416	msedge.exe
3416	msedge.exe
3416	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
3416	msedge.exe
3416	msedge.exe
3416	msedge.exe
3416	msedge.exe
3416	msedge.exe
3416	msedge.exe
3416	msedge.exe
3416	msedge.exe
3416	msedge.exe
3416	msedge.exe
3416	msedge.exe
3416	msedge.exe
3416	msedge.exe
3416	msedge.exe
3416	msedge.exe
3416	msedge.exe
3416	msedge.exe
3416	msedge.exe
3416	msedge.exe
3416	msedge.exe
3416	msedge.exe
3416	msedge.exe
3416	msedge.exe
3416	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3416 wrote to memory of 3568	3416	msedge.exe	32
PID 3416 wrote to memory of 3568	3416	msedge.exe	32
PID 3416 wrote to memory of 4352	3416	msedge.exe	93
PID 3416 wrote to memory of 4352	3416	msedge.exe	93
PID 3416 wrote to memory of 4352	3416	msedge.exe	93
PID 3416 wrote to memory of 4352	3416	msedge.exe	93
PID 3416 wrote to memory of 4352	3416	msedge.exe	93
PID 3416 wrote to memory of 4352	3416	msedge.exe	93
PID 3416 wrote to memory of 4352	3416	msedge.exe	93
PID 3416 wrote to memory of 4352	3416	msedge.exe	93
PID 3416 wrote to memory of 4352	3416	msedge.exe	93
PID 3416 wrote to memory of 4352	3416	msedge.exe	93
PID 3416 wrote to memory of 4352	3416	msedge.exe	93
PID 3416 wrote to memory of 4352	3416	msedge.exe	93
PID 3416 wrote to memory of 4352	3416	msedge.exe	93
PID 3416 wrote to memory of 4352	3416	msedge.exe	93
PID 3416 wrote to memory of 4352	3416	msedge.exe	93
PID 3416 wrote to memory of 4352	3416	msedge.exe	93
PID 3416 wrote to memory of 4352	3416	msedge.exe	93
PID 3416 wrote to memory of 4352	3416	msedge.exe	93
PID 3416 wrote to memory of 4352	3416	msedge.exe	93
PID 3416 wrote to memory of 4352	3416	msedge.exe	93
PID 3416 wrote to memory of 4352	3416	msedge.exe	93
PID 3416 wrote to memory of 4352	3416	msedge.exe	93
PID 3416 wrote to memory of 4352	3416	msedge.exe	93
PID 3416 wrote to memory of 4352	3416	msedge.exe	93
PID 3416 wrote to memory of 4352	3416	msedge.exe	93
PID 3416 wrote to memory of 4352	3416	msedge.exe	93
PID 3416 wrote to memory of 4352	3416	msedge.exe	93
PID 3416 wrote to memory of 4352	3416	msedge.exe	93
PID 3416 wrote to memory of 4352	3416	msedge.exe	93
PID 3416 wrote to memory of 4352	3416	msedge.exe	93
PID 3416 wrote to memory of 4352	3416	msedge.exe	93
PID 3416 wrote to memory of 4352	3416	msedge.exe	93
PID 3416 wrote to memory of 4352	3416	msedge.exe	93
PID 3416 wrote to memory of 4352	3416	msedge.exe	93
PID 3416 wrote to memory of 4352	3416	msedge.exe	93
PID 3416 wrote to memory of 4352	3416	msedge.exe	93
PID 3416 wrote to memory of 4352	3416	msedge.exe	93
PID 3416 wrote to memory of 4352	3416	msedge.exe	93
PID 3416 wrote to memory of 4352	3416	msedge.exe	93
PID 3416 wrote to memory of 4352	3416	msedge.exe	93
PID 3416 wrote to memory of 3696	3416	msedge.exe	92
PID 3416 wrote to memory of 3696	3416	msedge.exe	92
PID 3416 wrote to memory of 208	3416	msedge.exe	94
PID 3416 wrote to memory of 208	3416	msedge.exe	94
PID 3416 wrote to memory of 208	3416	msedge.exe	94
PID 3416 wrote to memory of 208	3416	msedge.exe	94
PID 3416 wrote to memory of 208	3416	msedge.exe	94
PID 3416 wrote to memory of 208	3416	msedge.exe	94
PID 3416 wrote to memory of 208	3416	msedge.exe	94
PID 3416 wrote to memory of 208	3416	msedge.exe	94
PID 3416 wrote to memory of 208	3416	msedge.exe	94
PID 3416 wrote to memory of 208	3416	msedge.exe	94
PID 3416 wrote to memory of 208	3416	msedge.exe	94
PID 3416 wrote to memory of 208	3416	msedge.exe	94
PID 3416 wrote to memory of 208	3416	msedge.exe	94
PID 3416 wrote to memory of 208	3416	msedge.exe	94
PID 3416 wrote to memory of 208	3416	msedge.exe	94
PID 3416 wrote to memory of 208	3416	msedge.exe	94
PID 3416 wrote to memory of 208	3416	msedge.exe	94
PID 3416 wrote to memory of 208	3416	msedge.exe	94
PID 3416 wrote to memory of 208	3416	msedge.exe	94
PID 3416 wrote to memory of 208	3416	msedge.exe	94

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://email-stretto.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:3416
- 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,0x100,0x104,0x9c,0x108,0x7ff9461a46f8,0x7ff9461a4708,0x7ff9461a4718
  2⤵
  PID:3568
- 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=2020,9377998954851212421,7948238442730691351,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2444 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3696
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2020,9377998954851212421,7948238442730691351,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2036 /prefetch:2
  2⤵
  PID:4352
- 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=2020,9377998954851212421,7948238442730691351,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2708 /prefetch:8
  2⤵
  PID:208
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2020,9377998954851212421,7948238442730691351,131072 --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=3272 /prefetch:1
  2⤵
  PID:1444
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2020,9377998954851212421,7948238442730691351,131072 --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=3280 /prefetch:1
  2⤵
  PID:1916
- 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=2020,9377998954851212421,7948238442730691351,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5552 /prefetch:8
  2⤵
  PID:1568
- 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=2020,9377998954851212421,7948238442730691351,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5552 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3136
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2020,9377998954851212421,7948238442730691351,131072 --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=5196 /prefetch:1
  2⤵
  PID:836
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2020,9377998954851212421,7948238442730691351,131072 --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=5148 /prefetch:1
  2⤵
  PID:64
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2020,9377998954851212421,7948238442730691351,131072 --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=3276 /prefetch:1
  2⤵
  PID:2896
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2020,9377998954851212421,7948238442730691351,131072 --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=3388 /prefetch:1
  2⤵
  PID:3368
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2020,9377998954851212421,7948238442730691351,131072 --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=4608 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3956

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1284

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3252

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
6dded92ec95cf9f22410bdeac841a00d

SHA1
83c32c23d53c59d654868f0b2a5c6be0a46249c2

SHA256
1840d5c60c79874359414677662439087173c575d814c07ebe661ae1cebb639e

SHA512
e13df653c0364be2b61619fe3d46799e10a565b41f33d3ce15e50397f8f9aa328e8c821212efe10cfe3b8283c1e8c7e9eb15f9674fc456837d6ee8c38bc8b0d8

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

Filesize
120B

MD5
0242cf5ea1d6d06e03a6790182487e38

SHA1
3a38e8497cb2b5c1f26359b7b4bdb23a6f47b43b

SHA256
801df8c86d4155b77b02f976d99786a43c2a151dacd1f87d2ccca568231eda98

SHA512
a92b93a8bb8d917fdfbfa412d48de26e8cf4d58ee4722549bdf7b8c40c98f40ac757a638badaf50ef77a48995d3121bec11ac9ee6f4afee1024a782a4dca63a2

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

Filesize
111B

MD5
807419ca9a4734feaf8d8563a003b048

SHA1
a723c7d60a65886ffa068711f1e900ccc85922a6

SHA256
aa10bf07b0d265bed28f2a475f3564d8ddb5e4d4ffee0ab6f3a0cc564907b631

SHA512
f10d496ae75db5ba412bd9f17bf0c7da7632db92a3fabf7f24071e40f5759c6a875ad8f3a72bad149da58b3da3b816077df125d0d9f3544adba68c66353d206c

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

Filesize
260B

MD5
c3bdcaeefd0cc84d8a654ad81fc163a5

SHA1
1fbd17ab8c75f62319c3db455aa64aada4b657f9

SHA256
a10d6a3060eaf085c0a0875980a0bc9c5026b2d55226a72a84c43506cb59d4d7

SHA512
1ac26904dbdfea94fe10c5467e8e5d0aa050a2335e92a6e456e79ba71ca85a6f9e80edc47e084215cc5a939d2ef2f9a87412c616a897e79506a34276e19ee2fd

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

Filesize
5KB

MD5
6e24a37e07a93135a0c4c14428faba6f

SHA1
c09053520aff0445a28719161b6e866059a30d68

SHA256
afdb3eb469ee1658b60a09601157a9847a2edbb97d83bcb1a9723fd75799e406

SHA512
09c386f2bcfb0414b75e0837896276f9b83863427905a4b7dc27ffcd7d053b8e299c76e6df8351d7c62c62d2a6fc43fd06864a115a9ef47877793717d595bea1

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

Filesize
5KB

MD5
5f61f332625b7ca681c48786248c54bb

SHA1
489bc14fcf2c007225e1a1910a416e47bdf1cb05

SHA256
38691af002b82cf71a806275a2bb3c58acc387e85fee0f40f8de07f6f03615ac

SHA512
7e232272f6adf785c9e3cec541c241b548a8d7dcf4917a434cadb7d770183145985dffe3ed9a6e91ddf1272289105245a0b019b0c52e89455870ac4da38db89c

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

Filesize
24KB

MD5
e05436aebb117e9919978ca32bbcefd9

SHA1
97b2af055317952ce42308ea69b82301320eb962

SHA256
cc9bd0953e70356e31a957ad9a9b1926f5e2a9f6a297cdef303ac693a2a86b7f

SHA512
11328e9514ffaa3c1eab84fae06595d75c8503bd5601adfd806182d46065752885a871b738439b356d1bb2c1ac71fc81e9d46bd2d0daa1b2ba0f40543bf952b9

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
4ab4bd00fdcdf4ea063473a520cc7bce

SHA1
08f48443aaa84b26ea5f0a65aca441a411abe79f

SHA256
50c400b715d3fb7c84ebef5e4de142d2c6f95be8f1d158fbdd41c7b4e9647f2a

SHA512
cc3b5b6dd6777eb35de2419543b0f2e5ec6bd948adb0e901bbfc5d2bec03d5e90bca6bf5d92dd7a5a0fb5dc4b025e154017ffc1bd2efb47deef897fbf958baec

Download Submit