hxxps://byfron[.]cc/solara/

Analysis

max time kernel
1680s
max time network
1685s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
18/08/2024, 14:04

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General

Target

https://byfron.cc/solara/

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 12 IoCs

pid	Process
4232	msedge.exe
4232	msedge.exe
2896	msedge.exe
2896	msedge.exe
3892	msedge.exe
3892	msedge.exe
1752	identity_helper.exe
1752	identity_helper.exe
1176	msedge.exe
1176	msedge.exe
1176	msedge.exe
1176	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs

pid	Process
2896	msedge.exe
2896	msedge.exe
2896	msedge.exe
2896	msedge.exe
2896	msedge.exe
2896	msedge.exe
2896	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
2896	msedge.exe
2896	msedge.exe
2896	msedge.exe
2896	msedge.exe
2896	msedge.exe
2896	msedge.exe
2896	msedge.exe
2896	msedge.exe
2896	msedge.exe
2896	msedge.exe
2896	msedge.exe
2896	msedge.exe
2896	msedge.exe
2896	msedge.exe
2896	msedge.exe
2896	msedge.exe
2896	msedge.exe
2896	msedge.exe
2896	msedge.exe
2896	msedge.exe
2896	msedge.exe
2896	msedge.exe
2896	msedge.exe
2896	msedge.exe
2896	msedge.exe

Suspicious use of SendNotifyMessage 12 IoCs

pid	Process
2896	msedge.exe
2896	msedge.exe
2896	msedge.exe
2896	msedge.exe
2896	msedge.exe
2896	msedge.exe
2896	msedge.exe
2896	msedge.exe
2896	msedge.exe
2896	msedge.exe
2896	msedge.exe
2896	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2896 wrote to memory of 1724	2896	msedge.exe	82
PID 2896 wrote to memory of 1724	2896	msedge.exe	82
PID 2896 wrote to memory of 4320	2896	msedge.exe	83
PID 2896 wrote to memory of 4320	2896	msedge.exe	83
PID 2896 wrote to memory of 4320	2896	msedge.exe	83
PID 2896 wrote to memory of 4320	2896	msedge.exe	83
PID 2896 wrote to memory of 4320	2896	msedge.exe	83
PID 2896 wrote to memory of 4320	2896	msedge.exe	83
PID 2896 wrote to memory of 4320	2896	msedge.exe	83
PID 2896 wrote to memory of 4320	2896	msedge.exe	83
PID 2896 wrote to memory of 4320	2896	msedge.exe	83
PID 2896 wrote to memory of 4320	2896	msedge.exe	83
PID 2896 wrote to memory of 4320	2896	msedge.exe	83
PID 2896 wrote to memory of 4320	2896	msedge.exe	83
PID 2896 wrote to memory of 4320	2896	msedge.exe	83
PID 2896 wrote to memory of 4320	2896	msedge.exe	83
PID 2896 wrote to memory of 4320	2896	msedge.exe	83
PID 2896 wrote to memory of 4320	2896	msedge.exe	83
PID 2896 wrote to memory of 4320	2896	msedge.exe	83
PID 2896 wrote to memory of 4320	2896	msedge.exe	83
PID 2896 wrote to memory of 4320	2896	msedge.exe	83
PID 2896 wrote to memory of 4320	2896	msedge.exe	83
PID 2896 wrote to memory of 4320	2896	msedge.exe	83
PID 2896 wrote to memory of 4320	2896	msedge.exe	83
PID 2896 wrote to memory of 4320	2896	msedge.exe	83
PID 2896 wrote to memory of 4320	2896	msedge.exe	83
PID 2896 wrote to memory of 4320	2896	msedge.exe	83
PID 2896 wrote to memory of 4320	2896	msedge.exe	83
PID 2896 wrote to memory of 4320	2896	msedge.exe	83
PID 2896 wrote to memory of 4320	2896	msedge.exe	83
PID 2896 wrote to memory of 4320	2896	msedge.exe	83
PID 2896 wrote to memory of 4320	2896	msedge.exe	83
PID 2896 wrote to memory of 4320	2896	msedge.exe	83
PID 2896 wrote to memory of 4320	2896	msedge.exe	83
PID 2896 wrote to memory of 4320	2896	msedge.exe	83
PID 2896 wrote to memory of 4320	2896	msedge.exe	83
PID 2896 wrote to memory of 4320	2896	msedge.exe	83
PID 2896 wrote to memory of 4320	2896	msedge.exe	83
PID 2896 wrote to memory of 4320	2896	msedge.exe	83
PID 2896 wrote to memory of 4320	2896	msedge.exe	83
PID 2896 wrote to memory of 4320	2896	msedge.exe	83
PID 2896 wrote to memory of 4320	2896	msedge.exe	83
PID 2896 wrote to memory of 4232	2896	msedge.exe	84
PID 2896 wrote to memory of 4232	2896	msedge.exe	84
PID 2896 wrote to memory of 572	2896	msedge.exe	85
PID 2896 wrote to memory of 572	2896	msedge.exe	85
PID 2896 wrote to memory of 572	2896	msedge.exe	85
PID 2896 wrote to memory of 572	2896	msedge.exe	85
PID 2896 wrote to memory of 572	2896	msedge.exe	85
PID 2896 wrote to memory of 572	2896	msedge.exe	85
PID 2896 wrote to memory of 572	2896	msedge.exe	85
PID 2896 wrote to memory of 572	2896	msedge.exe	85
PID 2896 wrote to memory of 572	2896	msedge.exe	85
PID 2896 wrote to memory of 572	2896	msedge.exe	85
PID 2896 wrote to memory of 572	2896	msedge.exe	85
PID 2896 wrote to memory of 572	2896	msedge.exe	85
PID 2896 wrote to memory of 572	2896	msedge.exe	85
PID 2896 wrote to memory of 572	2896	msedge.exe	85
PID 2896 wrote to memory of 572	2896	msedge.exe	85
PID 2896 wrote to memory of 572	2896	msedge.exe	85
PID 2896 wrote to memory of 572	2896	msedge.exe	85
PID 2896 wrote to memory of 572	2896	msedge.exe	85
PID 2896 wrote to memory of 572	2896	msedge.exe	85
PID 2896 wrote to memory of 572	2896	msedge.exe	85

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://byfron.cc/solara/
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:2896
- 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=90.0.4430.212 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=90.0.818.66 --initial-client-data=0x100,0x104,0x108,0xdc,0x10c,0x7fffa0813cb8,0x7fffa0813cc8,0x7fffa0813cd8
  2⤵
  PID:1724
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1896,13232768069356335232,4387061690784746882,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1868 /prefetch:2
  2⤵
  PID:4320
- 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=1896,13232768069356335232,4387061690784746882,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2372 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4232
- 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=1896,13232768069356335232,4387061690784746882,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2364 /prefetch:8
  2⤵
  PID:572
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1896,13232768069356335232,4387061690784746882,131072 --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=3208 /prefetch:1
  2⤵
  PID:2312
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1896,13232768069356335232,4387061690784746882,131072 --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=3220 /prefetch:1
  2⤵
  PID:2920
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1896,13232768069356335232,4387061690784746882,131072 --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=4592 /prefetch:1
  2⤵
  PID:3772
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1896,13232768069356335232,4387061690784746882,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5148 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3892
- C:\Program Files (x86)\Microsoft\Edge\Application\90.0.818.66\identity_helper.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\90.0.818.66\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=1896,13232768069356335232,4387061690784746882,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5444 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1752
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1896,13232768069356335232,4387061690784746882,131072 --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=5136 /prefetch:1
  2⤵
  PID:4936
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1896,13232768069356335232,4387061690784746882,131072 --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=3408 /prefetch:1
  2⤵
  PID:3980
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1896,13232768069356335232,4387061690784746882,131072 --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=4628 /prefetch:1
  2⤵
  PID:1620
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1896,13232768069356335232,4387061690784746882,131072 --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=4872 /prefetch:1
  2⤵
  PID:1264
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1896,13232768069356335232,4387061690784746882,131072 --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=10.0.22000.1 --gpu-preferences=SAAAAAAAAADoAAAwAAAAAAAAAAAAAAAAAABgAAAQAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=3844 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1176

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5000

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3656

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
302c3de891ef3a75b81a269db4e1cf22

SHA1
5401eb5166da78256771e8e0281ca2d1f471c76f

SHA256
1d1640e5755779c90676290853d2e3ca948f57cf5fb1df4b786e277a97757f58

SHA512
da18e7d40376fd13255f3f67a004c3a7f408466bd7ce92e36a4d0c20441279fe4b1b6e0874ab74c494663fb97bd7992b5e7c264b3fc434c1e981326595263d33

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

Filesize
152B

MD5
c9efc5ba989271670c86d3d3dd581b39

SHA1
3ad714bcf6bac85e368b8ba379540698d038084f

SHA256
c2e16990b0f6f23efdcecd99044993a4c2b8ba87bd542dd8f6256d69e24b93b3

SHA512
c1bc0dc70ab827b54feb64ad069d21e1c3c28d57d126b08314a9670437881d77dba02b5cca57ef0f2aa7f8e7d4d163fbd2c6f246ea2d51ce201d61a89015e8b7

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

Filesize
72B

MD5
4640cd72567a1ab7df6090f0b0219eec

SHA1
06fce12d6cf31af0fbcd19d8ae45e8f1278b2401

SHA256
d7170b3ecadeb1574840ba3e3d6c44ad5fc235f656f89871bb7e376213dacc27

SHA512
b1fc2f1559f886524fc0cb4c6b789793bdd428816cc2fde7d352ebf0ea2d997f3c152c996a1f4193d13ebfaaef167cd28c0eb4bde936e54c9893379ec2f6d936

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

Filesize
243B

MD5
21e8293015e35efb023f26caf8d96138

SHA1
a391cae2d627174c3de3c250e317234b6d01d069

SHA256
19ec6486f248db0d06eb422e5a7600d6b315492b7d428fd671efeddbb883a2b4

SHA512
442f2655c9cbf3c77b85c3e96977c023b1afa8a587ab5191c9170a584578580d58ba582cd30c28ebc8e0f46169ad29069ce6226c3c4990cb930523a66ea253f5

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

Filesize
5KB

MD5
bf0558999792337781c1925a6ac78cfd

SHA1
0334c49e86d2b25d6c683fe5536db09c14104682

SHA256
3ed92e27122231ae0ddf4b2f732f115f3978def22a8733592752039c505ecc64

SHA512
d4160036738896e62b7e4a2de9fdddc34b36f572dbe7817eae9ea8c0d40867438e1bb433e0da07607887140192a1d5a0d0ce1dd55d51df4a00af295e86159b58

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

Filesize
6KB

MD5
eb828a0e17e611ad9c5c470b552a33da

SHA1
96dd585f283ac6347f19338f758bb39a0e007b67

SHA256
e5378fc32d5818aff3c0141a14185e22e7f8aa0753348a4ff4104dfaea58c6ce

SHA512
bd392a74389ea533bcdf437e940d205d9243e5de6805a7d96efcf4a16dda79163f537e373528f85b8e2c30a8c7a391514d93bdff7749e89b6655b58611522589

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

Filesize
16B

MD5
46295cac801e5d4857d09837238a6394

SHA1
44e0fa1b517dbf802b18faf0785eeea6ac51594b

SHA256
0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443

SHA512
8969402593f927350e2ceb4b5bc2a277f3754697c1961e3d6237da322257fbab42909e1a742e22223447f3a4805f8d8ef525432a7c3515a549e984d3eff72b23

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

Filesize
16B

MD5
206702161f94c5cd39fadd03f4014d98

SHA1
bd8bfc144fb5326d21bd1531523d9fb50e1b600a

SHA256
1005a525006f148c86efcbfb36c6eac091b311532448010f70f7de9a68007167

SHA512
0af09f26941b11991c750d1a2b525c39a8970900e98cba96fd1b55dbf93fee79e18b8aab258f48b4f7bda40d059629bc7770d84371235cdb1352a4f17f80e145

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

Filesize
11KB

MD5
efb435fe672ac753e456817ec0ccdf29

SHA1
2a2f203d460877b9a07c6de49cb916f21a28952b

SHA256
56edbdc144eb45f55f5034878cc5d09fb0d35c43dea24be752284e6f0dab1fac

SHA512
eed3bfde90489a72bdc166555c026a5498660ba373d8d42d276ebd5941ae74e845917c1e4a98822a80cd7fdba43d0622b4b4ae566855fe531e36024695097e57

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

Filesize
10KB

MD5
4fcb7947ca6370070c9a064d818ad806

SHA1
52dec1ecfd0599ac6588d455730f5cf197554761

SHA256
f4252579bc23c4ca6ed9a1658c64a8cb000e95871454075c007d059842d8abba

SHA512
93ecc84e87d5ee9594d3b944fd51cca6395c0c876db7e6256cfe06c16c9450215f3eec132c144101b8dac8e0610c5a62d00664ebb95b4eaf166650225ddf48af

Download Submit