hxxps://linkvertise[.]com/1208172/solara-bootstrapper?o=sharing

Resubmissions

12/08/2024, 10:02

240812-l25q2swdjr 6

12/08/2024, 10:01

240812-l2lm6swcqq 6

12/08/2024, 09:59

240812-lz5m9swclp 6

12/08/2024, 09:57

240812-ly7q8swbrq 6

Analysis

max time kernel
35s
max time network
36s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
12/08/2024, 10:01

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General

Target

https://linkvertise.com/1208172/solara-bootstrapper?o=sharing

Score

6^/10

discovery

Malware Config

Signatures

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
95	api.ipify.org
97	api.ipify.org

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

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-2412658365-3084825385-3340777666-1000\{C6BD7605-E55E-4C9F-9DD9-9EF250C0995A}	msedge.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
932	msedge.exe
932	msedge.exe
2904	msedge.exe
2904	msedge.exe
392	msedge.exe
392	msedge.exe
3704	identity_helper.exe
3704	identity_helper.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 8 IoCs

pid	Process
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2904 wrote to memory of 1840	2904	msedge.exe	84
PID 2904 wrote to memory of 1840	2904	msedge.exe	84
PID 2904 wrote to memory of 1896	2904	msedge.exe	85
PID 2904 wrote to memory of 1896	2904	msedge.exe	85
PID 2904 wrote to memory of 1896	2904	msedge.exe	85
PID 2904 wrote to memory of 1896	2904	msedge.exe	85
PID 2904 wrote to memory of 1896	2904	msedge.exe	85
PID 2904 wrote to memory of 1896	2904	msedge.exe	85
PID 2904 wrote to memory of 1896	2904	msedge.exe	85
PID 2904 wrote to memory of 1896	2904	msedge.exe	85
PID 2904 wrote to memory of 1896	2904	msedge.exe	85
PID 2904 wrote to memory of 1896	2904	msedge.exe	85
PID 2904 wrote to memory of 1896	2904	msedge.exe	85
PID 2904 wrote to memory of 1896	2904	msedge.exe	85
PID 2904 wrote to memory of 1896	2904	msedge.exe	85
PID 2904 wrote to memory of 1896	2904	msedge.exe	85
PID 2904 wrote to memory of 1896	2904	msedge.exe	85
PID 2904 wrote to memory of 1896	2904	msedge.exe	85
PID 2904 wrote to memory of 1896	2904	msedge.exe	85
PID 2904 wrote to memory of 1896	2904	msedge.exe	85
PID 2904 wrote to memory of 1896	2904	msedge.exe	85
PID 2904 wrote to memory of 1896	2904	msedge.exe	85
PID 2904 wrote to memory of 1896	2904	msedge.exe	85
PID 2904 wrote to memory of 1896	2904	msedge.exe	85
PID 2904 wrote to memory of 1896	2904	msedge.exe	85
PID 2904 wrote to memory of 1896	2904	msedge.exe	85
PID 2904 wrote to memory of 1896	2904	msedge.exe	85
PID 2904 wrote to memory of 1896	2904	msedge.exe	85
PID 2904 wrote to memory of 1896	2904	msedge.exe	85
PID 2904 wrote to memory of 1896	2904	msedge.exe	85
PID 2904 wrote to memory of 1896	2904	msedge.exe	85
PID 2904 wrote to memory of 1896	2904	msedge.exe	85
PID 2904 wrote to memory of 1896	2904	msedge.exe	85
PID 2904 wrote to memory of 1896	2904	msedge.exe	85
PID 2904 wrote to memory of 1896	2904	msedge.exe	85
PID 2904 wrote to memory of 1896	2904	msedge.exe	85
PID 2904 wrote to memory of 1896	2904	msedge.exe	85
PID 2904 wrote to memory of 1896	2904	msedge.exe	85
PID 2904 wrote to memory of 1896	2904	msedge.exe	85
PID 2904 wrote to memory of 1896	2904	msedge.exe	85
PID 2904 wrote to memory of 1896	2904	msedge.exe	85
PID 2904 wrote to memory of 1896	2904	msedge.exe	85
PID 2904 wrote to memory of 932	2904	msedge.exe	86
PID 2904 wrote to memory of 932	2904	msedge.exe	86
PID 2904 wrote to memory of 2300	2904	msedge.exe	87
PID 2904 wrote to memory of 2300	2904	msedge.exe	87
PID 2904 wrote to memory of 2300	2904	msedge.exe	87
PID 2904 wrote to memory of 2300	2904	msedge.exe	87
PID 2904 wrote to memory of 2300	2904	msedge.exe	87
PID 2904 wrote to memory of 2300	2904	msedge.exe	87
PID 2904 wrote to memory of 2300	2904	msedge.exe	87
PID 2904 wrote to memory of 2300	2904	msedge.exe	87
PID 2904 wrote to memory of 2300	2904	msedge.exe	87
PID 2904 wrote to memory of 2300	2904	msedge.exe	87
PID 2904 wrote to memory of 2300	2904	msedge.exe	87
PID 2904 wrote to memory of 2300	2904	msedge.exe	87
PID 2904 wrote to memory of 2300	2904	msedge.exe	87
PID 2904 wrote to memory of 2300	2904	msedge.exe	87
PID 2904 wrote to memory of 2300	2904	msedge.exe	87
PID 2904 wrote to memory of 2300	2904	msedge.exe	87
PID 2904 wrote to memory of 2300	2904	msedge.exe	87
PID 2904 wrote to memory of 2300	2904	msedge.exe	87
PID 2904 wrote to memory of 2300	2904	msedge.exe	87
PID 2904 wrote to memory of 2300	2904	msedge.exe	87

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://linkvertise.com/1208172/solara-bootstrapper?o=sharing
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:2904
- 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,0x100,0x104,0xd8,0x108,0x7ffdbf0b46f8,0x7ffdbf0b4708,0x7ffdbf0b4718
  2⤵
  PID:1840
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2176,5407347185746257377,13856365129775231075,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2184 /prefetch:2
  2⤵
  PID:1896
- 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=2176,5407347185746257377,13856365129775231075,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2236 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:932
- 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=2176,5407347185746257377,13856365129775231075,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2668 /prefetch:8
  2⤵
  PID:2300
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2176,5407347185746257377,13856365129775231075,131072 --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=3352 /prefetch:1
  2⤵
  PID:4904
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2176,5407347185746257377,13856365129775231075,131072 --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=3368 /prefetch:1
  2⤵
  PID:2320
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2176,5407347185746257377,13856365129775231075,131072 --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=4080 /prefetch:1
  2⤵
  PID:3340
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=audio.mojom.AudioService --field-trial-handle=2176,5407347185746257377,13856365129775231075,131072 --lang=en-US --service-sandbox-type=audio --mojo-platform-channel-handle=5204 /prefetch:8
  2⤵
  PID:2928
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=video_capture.mojom.VideoCaptureService --field-trial-handle=2176,5407347185746257377,13856365129775231075,131072 --lang=en-US --service-sandbox-type=video_capture --mojo-platform-channel-handle=5400 /prefetch:8
  2⤵
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  PID:392
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2176,5407347185746257377,13856365129775231075,131072 --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=3492 /prefetch:1
  2⤵
  PID:5080
- 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=2176,5407347185746257377,13856365129775231075,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5368 /prefetch:8
  2⤵
  PID:3056
- 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=2176,5407347185746257377,13856365129775231075,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5368 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3704
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2176,5407347185746257377,13856365129775231075,131072 --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=5748 /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=2176,5407347185746257377,13856365129775231075,131072 --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=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5988 /prefetch:1
  2⤵
  PID:4956
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2176,5407347185746257377,13856365129775231075,131072 --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=3564 /prefetch:1
  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=2176,5407347185746257377,13856365129775231075,131072 --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=15 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4224 /prefetch:1
  2⤵
  PID:468

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2976

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4876

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
ff63763eedb406987ced076e36ec9acf

SHA1
16365aa97cd1a115412f8ae436d5d4e9be5f7b5d

SHA256
8f460e8b7a67f0c65b7248961a7c71146c9e7a19772b193972b486dbf05b8e4c

SHA512
ce90336169c8b2de249d4faea2519bf7c3df48ae9d77cdf471dd5dbd8e8542d47d9348080a098074aa63c255890850ee3b80ddb8eef8384919fdca3bb9371d9f

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

Filesize
152B

MD5
2783c40400a8912a79cfd383da731086

SHA1
001a131fe399c30973089e18358818090ca81789

SHA256
331fa67da5f67bbb42794c3aeab8f7819f35347460ffb352ccc914e0373a22c5

SHA512
b7c7d3aa966ad39a86aae02479649d74dcbf29d9cb3a7ff8b9b2354ea60704da55f5c0df803fd0a7191170a8e72fdd5eacfa1a739d7a74e390a7b74bdced1685

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

Filesize
720B

MD5
c79aa2bf04f5041564a64414b1d65f47

SHA1
8285391cb698dadf52cc9321c03a58c437521c53

SHA256
b30f10a91609c9bf5984a3acc4141606620086a7bec5d0c97801eee588d7eddd

SHA512
9026ab81c8ebffe2a23e6d721a24e5a8ec03b4f841781cc59cd98e8141f9adf3195796c26662f21a01ff14d7fb0068c40117aa2a93c80ac1ec05f47ae2083ad8

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

Filesize
6KB

MD5
e47d24a9533264174187260e4977dbf7

SHA1
b79ef08b07d4d2da6968cb29171c58425902d607

SHA256
a11a48dc33032f87cfceb55f38700b0aa18296073409904f61154e5a8891645a

SHA512
35c562e84bed2f16dc3119211c6eb28a7f057f95d7b0de677f49043b42d76b3bb5f7355076a9be97e4255e2d824ad365a65fc0300738b6ce3aa2be24673ad3fc

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

Filesize
7KB

MD5
91a52aa3b39d94a98d03fe03c9496aff

SHA1
c70dfdad76580790d6f78f2a18930f96a3d3be91

SHA256
7f13897b15ce727503c41dedb554e0bd88628ed49a40d4477dcbb836e2468bb2

SHA512
bde4a42a05757e406c3e02a2eb3cdc6dbdad758d708980627d8ce3f403b5f3b910868bbd511850be117bc4054e6239543d37f5057b3e24893821cf4efd207f0e

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
b6a4a49f3d7e6a26408e018ede705d68

SHA1
ebc6056651292b1aa5e724627aee936a82267ded

SHA256
9e2b9e2b0f7759335f6f29c03cd03b46cb467ec8d39c02d052ff787756d3fb70

SHA512
536edf929e5f41046c5c374131f83190dbc7fad257e2604a4266317c3616eed196187351225301fd16e13e9b6b9be4687608b7d2a483c4a9e4ca13f83bef54c8

Download Submit