hxxp://tuconstanciarfc[.]info

Resubmissions

22-02-2024 21:27

240222-1a9cgsfc8v 1

22-02-2024 21:22

240222-z8c69sfc4z 1

Analysis

max time kernel
146s
max time network
153s
platform
windows11-21h2_x64
resource
win11-20240221-en
resource tags

arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
submitted
22-02-2024 21:27

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General

Target

http://tuconstanciarfc.info

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 12 IoCs

pid	Process
1152	msedge.exe
1152	msedge.exe
4808	msedge.exe
4808	msedge.exe
756	identity_helper.exe
756	identity_helper.exe
3368	msedge.exe
3368	msedge.exe
1372	msedge.exe
1372	msedge.exe
1372	msedge.exe
1372	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs

pid	Process
4808	msedge.exe
4808	msedge.exe
4808	msedge.exe
4808	msedge.exe
4808	msedge.exe
4808	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
4808	msedge.exe
4808	msedge.exe
4808	msedge.exe
4808	msedge.exe
4808	msedge.exe
4808	msedge.exe
4808	msedge.exe
4808	msedge.exe
4808	msedge.exe
4808	msedge.exe
4808	msedge.exe
4808	msedge.exe
4808	msedge.exe
4808	msedge.exe
4808	msedge.exe
4808	msedge.exe
4808	msedge.exe
4808	msedge.exe
4808	msedge.exe
4808	msedge.exe
4808	msedge.exe
4808	msedge.exe
4808	msedge.exe
4808	msedge.exe
4808	msedge.exe

Suspicious use of SendNotifyMessage 12 IoCs

pid	Process
4808	msedge.exe
4808	msedge.exe
4808	msedge.exe
4808	msedge.exe
4808	msedge.exe
4808	msedge.exe
4808	msedge.exe
4808	msedge.exe
4808	msedge.exe
4808	msedge.exe
4808	msedge.exe
4808	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4808 wrote to memory of 5000	4808	msedge.exe	48
PID 4808 wrote to memory of 5000	4808	msedge.exe	48
PID 4808 wrote to memory of 2632	4808	msedge.exe	81
PID 4808 wrote to memory of 2632	4808	msedge.exe	81
PID 4808 wrote to memory of 2632	4808	msedge.exe	81
PID 4808 wrote to memory of 2632	4808	msedge.exe	81
PID 4808 wrote to memory of 2632	4808	msedge.exe	81
PID 4808 wrote to memory of 2632	4808	msedge.exe	81
PID 4808 wrote to memory of 2632	4808	msedge.exe	81
PID 4808 wrote to memory of 2632	4808	msedge.exe	81
PID 4808 wrote to memory of 2632	4808	msedge.exe	81
PID 4808 wrote to memory of 2632	4808	msedge.exe	81
PID 4808 wrote to memory of 2632	4808	msedge.exe	81
PID 4808 wrote to memory of 2632	4808	msedge.exe	81
PID 4808 wrote to memory of 2632	4808	msedge.exe	81
PID 4808 wrote to memory of 2632	4808	msedge.exe	81
PID 4808 wrote to memory of 2632	4808	msedge.exe	81
PID 4808 wrote to memory of 2632	4808	msedge.exe	81
PID 4808 wrote to memory of 2632	4808	msedge.exe	81
PID 4808 wrote to memory of 2632	4808	msedge.exe	81
PID 4808 wrote to memory of 2632	4808	msedge.exe	81
PID 4808 wrote to memory of 2632	4808	msedge.exe	81
PID 4808 wrote to memory of 2632	4808	msedge.exe	81
PID 4808 wrote to memory of 2632	4808	msedge.exe	81
PID 4808 wrote to memory of 2632	4808	msedge.exe	81
PID 4808 wrote to memory of 2632	4808	msedge.exe	81
PID 4808 wrote to memory of 2632	4808	msedge.exe	81
PID 4808 wrote to memory of 2632	4808	msedge.exe	81
PID 4808 wrote to memory of 2632	4808	msedge.exe	81
PID 4808 wrote to memory of 2632	4808	msedge.exe	81
PID 4808 wrote to memory of 2632	4808	msedge.exe	81
PID 4808 wrote to memory of 2632	4808	msedge.exe	81
PID 4808 wrote to memory of 2632	4808	msedge.exe	81
PID 4808 wrote to memory of 2632	4808	msedge.exe	81
PID 4808 wrote to memory of 2632	4808	msedge.exe	81
PID 4808 wrote to memory of 2632	4808	msedge.exe	81
PID 4808 wrote to memory of 2632	4808	msedge.exe	81
PID 4808 wrote to memory of 2632	4808	msedge.exe	81
PID 4808 wrote to memory of 2632	4808	msedge.exe	81
PID 4808 wrote to memory of 2632	4808	msedge.exe	81
PID 4808 wrote to memory of 2632	4808	msedge.exe	81
PID 4808 wrote to memory of 2632	4808	msedge.exe	81
PID 4808 wrote to memory of 1152	4808	msedge.exe	82
PID 4808 wrote to memory of 1152	4808	msedge.exe	82
PID 4808 wrote to memory of 3604	4808	msedge.exe	83
PID 4808 wrote to memory of 3604	4808	msedge.exe	83
PID 4808 wrote to memory of 3604	4808	msedge.exe	83
PID 4808 wrote to memory of 3604	4808	msedge.exe	83
PID 4808 wrote to memory of 3604	4808	msedge.exe	83
PID 4808 wrote to memory of 3604	4808	msedge.exe	83
PID 4808 wrote to memory of 3604	4808	msedge.exe	83
PID 4808 wrote to memory of 3604	4808	msedge.exe	83
PID 4808 wrote to memory of 3604	4808	msedge.exe	83
PID 4808 wrote to memory of 3604	4808	msedge.exe	83
PID 4808 wrote to memory of 3604	4808	msedge.exe	83
PID 4808 wrote to memory of 3604	4808	msedge.exe	83
PID 4808 wrote to memory of 3604	4808	msedge.exe	83
PID 4808 wrote to memory of 3604	4808	msedge.exe	83
PID 4808 wrote to memory of 3604	4808	msedge.exe	83
PID 4808 wrote to memory of 3604	4808	msedge.exe	83
PID 4808 wrote to memory of 3604	4808	msedge.exe	83
PID 4808 wrote to memory of 3604	4808	msedge.exe	83
PID 4808 wrote to memory of 3604	4808	msedge.exe	83
PID 4808 wrote to memory of 3604	4808	msedge.exe	83

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://tuconstanciarfc.info
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:4808
- 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,0x7ffecd5b3cb8,0x7ffecd5b3cc8,0x7ffecd5b3cd8
  2⤵
  PID:5000
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1860,6513827421821777503,9908269452472254871,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1920 /prefetch:2
  2⤵
  PID:2632
- 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=1860,6513827421821777503,9908269452472254871,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2360 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1152
- 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=1860,6513827421821777503,9908269452472254871,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2644 /prefetch:8
  2⤵
  PID:3604
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1860,6513827421821777503,9908269452472254871,131072 --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=3180 /prefetch:1
  2⤵
  PID:1964
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1860,6513827421821777503,9908269452472254871,131072 --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=3316 /prefetch:1
  2⤵
  PID:2276
- 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=1860,6513827421821777503,9908269452472254871,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5400 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:756
- 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=1860,6513827421821777503,9908269452472254871,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5112 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3368
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1860,6513827421821777503,9908269452472254871,131072 --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=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5176 /prefetch:1
  2⤵
  PID:4816
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1860,6513827421821777503,9908269452472254871,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5080 /prefetch:1
  2⤵
  PID:1336
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1860,6513827421821777503,9908269452472254871,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3256 /prefetch:1
  2⤵
  PID:1408
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1860,6513827421821777503,9908269452472254871,131072 --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=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3296 /prefetch:1
  2⤵
  PID:2600
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1860,6513827421821777503,9908269452472254871,131072 --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=2276 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1372

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5032

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3172

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
a91469041c09ba8e6c92487f02ca8040

SHA1
7207eded6577ec8dc3962cd5c3b093d194317ea1

SHA256
0fef2b2f8cd3ef7aca4d2480c0a65ed4c2456f7033267aa41df7124061c7d28f

SHA512
b620a381ff679ef45ae7ff8899c59b9e5f1c1a4bdcab1af54af2ea410025ed6bdab9272cc342ac3cb18913bc6f7f8156c95e0e0615219d1981a68922ce34230f

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

Filesize
152B

MD5
601fbcb77ed9464402ad83ed36803fd1

SHA1
9a34f45553356ec48b03c4d2b2aa089b44c6532d

SHA256
09d069799186ae736e216ab7e4ecdd980c6b202121b47636f2d0dd0dd4cc9e15

SHA512
c1cb610c25effb19b1c69ddca07f470e785fd329ad4adda90fbccaec180f1cf0be796e5628a30d0af256f5c3dc81d2331603cf8269f038c33b20dbf788406220

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

Filesize
168B

MD5
d65233755b52c6e4877284441d956e8a

SHA1
285d95b36480e70cae2ca39135130ca22e7ea6b6

SHA256
73a6f2fbf4927f7cb24d36e419a1e476e5240571d701cb0b347be8c5e9d9883b

SHA512
29edcc87a01c5cd13ab710d9ff0b6d85d527efb42fb4c5f069432d836a4f6fb8b01187be52483aff7d31c16af7f984274515cd7f7bc5aff76bf93d9566c7a547

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

Filesize
111B

MD5
285252a2f6327d41eab203dc2f402c67

SHA1
acedb7ba5fbc3ce914a8bf386a6f72ca7baa33c6

SHA256
5dfc321417fc31359f23320ea68014ebfd793c5bbed55f77dab4180bbd4a2026

SHA512
11ce7cb484fee66894e63c31db0d6b7ef66ad0327d4e7e2eb85f3bcc2e836a3a522c68d681e84542e471e54f765e091efe1ee4065641b0299b15613eb32dcc0d

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

Filesize
186B

MD5
1ba807dff113f64ceb3a4b8eb06b430b

SHA1
d3b5191e37fb2662eca40cd87f4e9caeb3893993

SHA256
5c758fedd51f8e100571438f0d21511c95488aa8bc5ac4b751ed5f349f86e047

SHA512
dcdaa5e579874521d82820fe236fd25c8916738534335f7fba02a426199a756e1b2b9e5274af7809ce48adc3f86793544bf9ef8e175270274c884823404d1f23

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

Filesize
5KB

MD5
6535d1174a680221de791390e5379e5f

SHA1
5bd3880f7b3ac32d7d7cbf17c199d7a31a6acf5f

SHA256
84ddf81905f76de24ba630f2b27d9b5df81dfedccab3b5e33df005ffafb8c35c

SHA512
6b0b2ff238519707da31a5696f05fef007fc8ce89bc87d492da601a5f4343090a410aa1104839618c6d04adf993053b0e58955455745fe33376a9c7e4bb7dc83

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

Filesize
6KB

MD5
418727ad368a22c72a4e6d18d7288027

SHA1
df8522feb9b2f04385be2ac6b003d6fec8aa8821

SHA256
4f1c297c329e6fdab005b9d4d39bb4440fd39bc2def6511bc2b071c186582110

SHA512
ece33aaafd1d3073266248b79b2cbecfd5e59662b34f1d9379c8aad3d36a2b5aa7d63b8512e09a9f8b85c54e7730635023b17a2041468d4fe9461d13877af066

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
c00442d26b9f8a44b367c603a5ef55c4

SHA1
6675875a1977c33f1a5ccd95c92389c144480c99

SHA256
8f1865eb195eb7f0a650c3eab49a020129229d4b12ae5c25fbe2013e5bb4e337

SHA512
9305aff36112451261a608632ee13163b52b2232422dda62dbde9b148e75bb3e4d28e1a051b5ff0db92b2a0c6b5653f2f0a936f6322ef10148ca0710f85fc1e3

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

Filesize
11KB

MD5
a51f14422decea5b83826a2cfcfc2ad0

SHA1
88dec1bcb140489b10d4601bc3e040213dc5a976

SHA256
01d8a6bf14129547f2662b30dc430cf3686bcd06f4ffaaa0fd3d73a0aedf4598

SHA512
3779293e5a98d969e400e2146d5244d87b47c529ef2f56e840b574e11ce465e3f89bc079d63924d31878a0d691ea5844503ceaf2a3a97cdbf5f0360d54017cc2

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

Filesize
11KB

MD5
5aa929267a53232ed2ff7f013504e68b

SHA1
1f7024c62d77fe118851cb8e23f78d752a88227d

SHA256
c462cc5e5b23d1227e7b29dbd05c2a6b37fac590057588fbf41fb877d99a332a

SHA512
13854df8f43e91ee9ce4e473236753d16566fe0e680785a39ea8eb0e6d0a81ab3f0b216bc0168307331549833bcd50f92b06681c6230fc8eb057ceaea716c5a9

Download Submit