hxxps://kaloriferbacasi[.]com/ykva/?90264881

Analysis

max time kernel
145s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19/12/2023, 15:44

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General

Target

https://kaloriferbacasi.com/ykva/?90264881

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
2104	msedge.exe
2104	msedge.exe
2548	msedge.exe
2548	msedge.exe
3372	identity_helper.exe
3372	identity_helper.exe
2432	msedge.exe
2432	msedge.exe
2432	msedge.exe
2432	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs

pid	Process
2548	msedge.exe
2548	msedge.exe
2548	msedge.exe
2548	msedge.exe
2548	msedge.exe
2548	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
2548	msedge.exe
2548	msedge.exe
2548	msedge.exe
2548	msedge.exe
2548	msedge.exe
2548	msedge.exe
2548	msedge.exe
2548	msedge.exe
2548	msedge.exe
2548	msedge.exe
2548	msedge.exe
2548	msedge.exe
2548	msedge.exe
2548	msedge.exe
2548	msedge.exe
2548	msedge.exe
2548	msedge.exe
2548	msedge.exe
2548	msedge.exe
2548	msedge.exe
2548	msedge.exe
2548	msedge.exe
2548	msedge.exe
2548	msedge.exe
2548	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
2548	msedge.exe
2548	msedge.exe
2548	msedge.exe
2548	msedge.exe
2548	msedge.exe
2548	msedge.exe
2548	msedge.exe
2548	msedge.exe
2548	msedge.exe
2548	msedge.exe
2548	msedge.exe
2548	msedge.exe
2548	msedge.exe
2548	msedge.exe
2548	msedge.exe
2548	msedge.exe
2548	msedge.exe
2548	msedge.exe
2548	msedge.exe
2548	msedge.exe
2548	msedge.exe
2548	msedge.exe
2548	msedge.exe
2548	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2548 wrote to memory of 4636	2548	msedge.exe	15
PID 2548 wrote to memory of 4636	2548	msedge.exe	15
PID 2548 wrote to memory of 4388	2548	msedge.exe	32
PID 2548 wrote to memory of 4388	2548	msedge.exe	32
PID 2548 wrote to memory of 4388	2548	msedge.exe	32
PID 2548 wrote to memory of 4388	2548	msedge.exe	32
PID 2548 wrote to memory of 4388	2548	msedge.exe	32
PID 2548 wrote to memory of 4388	2548	msedge.exe	32
PID 2548 wrote to memory of 4388	2548	msedge.exe	32
PID 2548 wrote to memory of 4388	2548	msedge.exe	32
PID 2548 wrote to memory of 4388	2548	msedge.exe	32
PID 2548 wrote to memory of 4388	2548	msedge.exe	32
PID 2548 wrote to memory of 4388	2548	msedge.exe	32
PID 2548 wrote to memory of 4388	2548	msedge.exe	32
PID 2548 wrote to memory of 4388	2548	msedge.exe	32
PID 2548 wrote to memory of 4388	2548	msedge.exe	32
PID 2548 wrote to memory of 4388	2548	msedge.exe	32
PID 2548 wrote to memory of 4388	2548	msedge.exe	32
PID 2548 wrote to memory of 4388	2548	msedge.exe	32
PID 2548 wrote to memory of 4388	2548	msedge.exe	32
PID 2548 wrote to memory of 4388	2548	msedge.exe	32
PID 2548 wrote to memory of 4388	2548	msedge.exe	32
PID 2548 wrote to memory of 4388	2548	msedge.exe	32
PID 2548 wrote to memory of 4388	2548	msedge.exe	32
PID 2548 wrote to memory of 4388	2548	msedge.exe	32
PID 2548 wrote to memory of 4388	2548	msedge.exe	32
PID 2548 wrote to memory of 4388	2548	msedge.exe	32
PID 2548 wrote to memory of 4388	2548	msedge.exe	32
PID 2548 wrote to memory of 4388	2548	msedge.exe	32
PID 2548 wrote to memory of 4388	2548	msedge.exe	32
PID 2548 wrote to memory of 4388	2548	msedge.exe	32
PID 2548 wrote to memory of 4388	2548	msedge.exe	32
PID 2548 wrote to memory of 4388	2548	msedge.exe	32
PID 2548 wrote to memory of 4388	2548	msedge.exe	32
PID 2548 wrote to memory of 4388	2548	msedge.exe	32
PID 2548 wrote to memory of 4388	2548	msedge.exe	32
PID 2548 wrote to memory of 4388	2548	msedge.exe	32
PID 2548 wrote to memory of 4388	2548	msedge.exe	32
PID 2548 wrote to memory of 4388	2548	msedge.exe	32
PID 2548 wrote to memory of 4388	2548	msedge.exe	32
PID 2548 wrote to memory of 4388	2548	msedge.exe	32
PID 2548 wrote to memory of 4388	2548	msedge.exe	32
PID 2548 wrote to memory of 2104	2548	msedge.exe	30
PID 2548 wrote to memory of 2104	2548	msedge.exe	30
PID 2548 wrote to memory of 2716	2548	msedge.exe	31
PID 2548 wrote to memory of 2716	2548	msedge.exe	31
PID 2548 wrote to memory of 2716	2548	msedge.exe	31
PID 2548 wrote to memory of 2716	2548	msedge.exe	31
PID 2548 wrote to memory of 2716	2548	msedge.exe	31
PID 2548 wrote to memory of 2716	2548	msedge.exe	31
PID 2548 wrote to memory of 2716	2548	msedge.exe	31
PID 2548 wrote to memory of 2716	2548	msedge.exe	31
PID 2548 wrote to memory of 2716	2548	msedge.exe	31
PID 2548 wrote to memory of 2716	2548	msedge.exe	31
PID 2548 wrote to memory of 2716	2548	msedge.exe	31
PID 2548 wrote to memory of 2716	2548	msedge.exe	31
PID 2548 wrote to memory of 2716	2548	msedge.exe	31
PID 2548 wrote to memory of 2716	2548	msedge.exe	31
PID 2548 wrote to memory of 2716	2548	msedge.exe	31
PID 2548 wrote to memory of 2716	2548	msedge.exe	31
PID 2548 wrote to memory of 2716	2548	msedge.exe	31
PID 2548 wrote to memory of 2716	2548	msedge.exe	31
PID 2548 wrote to memory of 2716	2548	msedge.exe	31
PID 2548 wrote to memory of 2716	2548	msedge.exe	31

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://kaloriferbacasi.com/ykva/?90264881
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:2548
- 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,0x100,0x104,0xd8,0x108,0x7ffd46c046f8,0x7ffd46c04708,0x7ffd46c04718
  2⤵
  PID:4636
- 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=2124,17937365794296847650,5989187670280532194,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2192 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2104
- 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=2124,17937365794296847650,5989187670280532194,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2712 /prefetch:8
  2⤵
  PID:2716
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2124,17937365794296847650,5989187670280532194,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2140 /prefetch:2
  2⤵
  PID:4388
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,17937365794296847650,5989187670280532194,131072 --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=3356 /prefetch:1
  2⤵
  PID:2516
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,17937365794296847650,5989187670280532194,131072 --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=3364 /prefetch:1
  2⤵
  PID:3664
- 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=2124,17937365794296847650,5989187670280532194,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5156 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3372
- 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=2124,17937365794296847650,5989187670280532194,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5156 /prefetch:8
  2⤵
  PID:4300
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,17937365794296847650,5989187670280532194,131072 --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=5304 /prefetch:1
  2⤵
  PID:4384
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,17937365794296847650,5989187670280532194,131072 --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=5288 /prefetch:1
  2⤵
  PID:3360
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,17937365794296847650,5989187670280532194,131072 --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=3448 /prefetch:1
  2⤵
  PID:1556
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,17937365794296847650,5989187670280532194,131072 --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=5588 /prefetch:1
  2⤵
  PID:2292
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2124,17937365794296847650,5989187670280532194,131072 --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=2288 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2432

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4212

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3748

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
bcaf436ee5fed204f08c14d7517436eb

SHA1
637817252f1e2ab00275cd5b5a285a22980295ff

SHA256
de776d807ae7f2e809af69746f85ea99e0771bbdaaed78a764a6035dabe7f120

SHA512
7e6cf2fdffdcf444f6ef4a50a6f9ef1dfb853301467e3f4784c9ee905c3bf159dc3ee9145d77dbf72637d5b99242525eb951b91c020e5f4e5cfcfd965443258c

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

Filesize
144B

MD5
73633632e16ed28d50ec106ee19695cd

SHA1
7d07335d07cd07917f68eb680cb1d61cc8b15f7a

SHA256
b7398eb83676306d3a489f5dd432e8f2c23e9fa0017b41e3506563831ed208b4

SHA512
7c30ad1b923dbed9c806d891719701e8914688c15c19e77253628e9d40303283a46f65ae965eaf739cbb4b2d55e3e9c465090096b6a6d86d16b3525a7dfb4d0a

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

Filesize
802B

MD5
b5b6b098e5c26eebf7826abffe5dbc51

SHA1
c70e83e2514ff1a0a82a95fbdb79968eacb1c8ad

SHA256
04106b6a518dcbcaedaa182e2287cabc25ea872565898ccdfd9c4df5ed1130e1

SHA512
652c275c97e7852213a5e19d623032bfeec04d729b408cb609ef3f31b69437497fa4213de0a878ba2017b7ddf6c19f29e6dd38cfc7f528c57809e2e0ed381780

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\Preferences

Filesize
5KB

MD5
0253630cf540e0b91f02dbd739972e75

SHA1
48f55b746e65cd4b755552d72b6a2e7ea60c01ff

SHA256
ddf8edaa96b68d0af6d218798507f70b7c9ad1113686926e25922e01ec1fc80c

SHA512
93d16d1c6f970e6f6fe824c99ca7124b5e5d404bdc067e88215a1cf470c3c688b3544a63cd0949fd69ccd03dcbad132456bb9d4e6e618c2b0bb8a3c478066f4d

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

Filesize
5KB

MD5
5d70e17c814c103fc1f02d30a970ec86

SHA1
98545d0a957266821cef1f7449542947573e007c

SHA256
78b810a6ad41c45b5a54e8dffb6d7e1afb9d6e21672d3bb466aaffb0fac18a6a

SHA512
d575f892b38a38e38435e6fc695731f564cd436ae36cd82cd9c447d1531125154166381f8b6441d7a6fd5ce3d6752eb521fd63b24313f5d7aefe97c3ab7cd1f1

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

Filesize
5KB

MD5
b57d67a8ee8fb2e943446d81755c8fde

SHA1
ee25d5602562e5bdf2d77a37fe6f369a26e205b7

SHA256
d2a1da2039f1062958e8e9c19fb37836b8a7e3ab66e9418a02bddeb4b04e974b

SHA512
6fb57142b5f7200fa441f3503c05aceeba17a7b590f2bfdd5d9793f9efd75238c11d5ef5b7bab7c5473ee3c7fa84aff38356cab780a9154892b5552599ea90cf

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

Filesize
24KB

MD5
b0ba6f0eee8f998b4d78bc4934f5fd17

SHA1
589653d624de363d3e8869c169441b143c1f39ad

SHA256
4b5ee509e727accbd11493dda2c1d512e7dbfaff66c4f5f7ea9c2d2ccd06151f

SHA512
e9a165da246c6b80fc38431538203cf03f95794184ff63f00c9500f8919a2028b803f64b670e685185eed72df0509e3185c9b434fdbf2bc7af36021d46bd08d9

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
f3faf5412304cbab45bad47fc867599f

SHA1
48df959521bed7d8c31f1f7b8eec5f74df11939c

SHA256
b399558ec99154a84b936fcbd503224fe8e4958be7f5747a28abc17e4382aa87

SHA512
dff923d811755c13931b051e845b1ee8f3a937bc1c33beaf32a04daaf54ccefce7118175450e820631f2b92a0dc00b7654bcc2eedf0a5425ef8f054fb78a0f6e

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

Filesize
10KB

MD5
9fb644c2f23c3683ff80c4a678ff4177

SHA1
55abea424d01723d3958920b273283b707869ace

SHA256
1c272dc89a40fd64f719c4021244b2edc535be795ba858353b01d6b7a8ee61e8

SHA512
60a107bf3b16023b7cb9cdf6d1a82945b521f90334866319a398aa198010ca8b2d163f72e8b47fbb9fcefc19a99c2b4f02c4cb235a8fb6923da394196a4f6019

Download Submit