hxxp://bcomb[.]net[:]8080/BLyec8dL10iMiGxf7A86Q9uUZqda

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
08/03/2024, 22:46

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General

Target

http://bcomb.net:8080/BLyec8dL10iMiGxf7A86Q9uUZqda

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	chrome.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	chrome.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	chrome.exe

Modifies data under HKEY_USERS 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Cryptography\TPM\Telemetry	chrome.exe
Set value (int)	\REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Cryptography\TPM\Telemetry\TraceTimeLast = "133544116221425195"	chrome.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3468	chrome.exe
3468	chrome.exe
4764	chrome.exe
4764	chrome.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 IoCs

pid	Process
3468	chrome.exe
3468	chrome.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3468	chrome.exe
Token: SeCreatePagefilePrivilege	3468	chrome.exe
Token: SeShutdownPrivilege	3468	chrome.exe
Token: SeCreatePagefilePrivilege	3468	chrome.exe
Token: SeShutdownPrivilege	3468	chrome.exe
Token: SeCreatePagefilePrivilege	3468	chrome.exe
Token: SeShutdownPrivilege	3468	chrome.exe
Token: SeCreatePagefilePrivilege	3468	chrome.exe
Token: SeShutdownPrivilege	3468	chrome.exe
Token: SeCreatePagefilePrivilege	3468	chrome.exe
Token: SeShutdownPrivilege	3468	chrome.exe
Token: SeCreatePagefilePrivilege	3468	chrome.exe
Token: SeShutdownPrivilege	3468	chrome.exe
Token: SeCreatePagefilePrivilege	3468	chrome.exe
Token: SeShutdownPrivilege	3468	chrome.exe
Token: SeCreatePagefilePrivilege	3468	chrome.exe
Token: SeShutdownPrivilege	3468	chrome.exe
Token: SeCreatePagefilePrivilege	3468	chrome.exe
Token: SeShutdownPrivilege	3468	chrome.exe
Token: SeCreatePagefilePrivilege	3468	chrome.exe
Token: SeShutdownPrivilege	3468	chrome.exe
Token: SeCreatePagefilePrivilege	3468	chrome.exe
Token: SeShutdownPrivilege	3468	chrome.exe
Token: SeCreatePagefilePrivilege	3468	chrome.exe
Token: SeShutdownPrivilege	3468	chrome.exe
Token: SeCreatePagefilePrivilege	3468	chrome.exe
Token: SeShutdownPrivilege	3468	chrome.exe
Token: SeCreatePagefilePrivilege	3468	chrome.exe
Token: SeShutdownPrivilege	3468	chrome.exe
Token: SeCreatePagefilePrivilege	3468	chrome.exe
Token: SeShutdownPrivilege	3468	chrome.exe
Token: SeCreatePagefilePrivilege	3468	chrome.exe
Token: SeShutdownPrivilege	3468	chrome.exe
Token: SeCreatePagefilePrivilege	3468	chrome.exe
Token: SeShutdownPrivilege	3468	chrome.exe
Token: SeCreatePagefilePrivilege	3468	chrome.exe
Token: SeShutdownPrivilege	3468	chrome.exe
Token: SeCreatePagefilePrivilege	3468	chrome.exe
Token: SeShutdownPrivilege	3468	chrome.exe
Token: SeCreatePagefilePrivilege	3468	chrome.exe
Token: SeShutdownPrivilege	3468	chrome.exe
Token: SeCreatePagefilePrivilege	3468	chrome.exe
Token: SeShutdownPrivilege	3468	chrome.exe
Token: SeCreatePagefilePrivilege	3468	chrome.exe
Token: SeShutdownPrivilege	3468	chrome.exe
Token: SeCreatePagefilePrivilege	3468	chrome.exe
Token: SeShutdownPrivilege	3468	chrome.exe
Token: SeCreatePagefilePrivilege	3468	chrome.exe
Token: SeShutdownPrivilege	3468	chrome.exe
Token: SeCreatePagefilePrivilege	3468	chrome.exe
Token: SeShutdownPrivilege	3468	chrome.exe
Token: SeCreatePagefilePrivilege	3468	chrome.exe
Token: SeShutdownPrivilege	3468	chrome.exe
Token: SeCreatePagefilePrivilege	3468	chrome.exe
Token: SeShutdownPrivilege	3468	chrome.exe
Token: SeCreatePagefilePrivilege	3468	chrome.exe
Token: SeShutdownPrivilege	3468	chrome.exe
Token: SeCreatePagefilePrivilege	3468	chrome.exe
Token: SeShutdownPrivilege	3468	chrome.exe
Token: SeCreatePagefilePrivilege	3468	chrome.exe
Token: SeShutdownPrivilege	3468	chrome.exe
Token: SeCreatePagefilePrivilege	3468	chrome.exe
Token: SeShutdownPrivilege	3468	chrome.exe
Token: SeCreatePagefilePrivilege	3468	chrome.exe

Suspicious use of FindShellTrayWindow 26 IoCs

pid	Process
3468	chrome.exe
3468	chrome.exe
3468	chrome.exe
3468	chrome.exe
3468	chrome.exe
3468	chrome.exe
3468	chrome.exe
3468	chrome.exe
3468	chrome.exe
3468	chrome.exe
3468	chrome.exe
3468	chrome.exe
3468	chrome.exe
3468	chrome.exe
3468	chrome.exe
3468	chrome.exe
3468	chrome.exe
3468	chrome.exe
3468	chrome.exe
3468	chrome.exe
3468	chrome.exe
3468	chrome.exe
3468	chrome.exe
3468	chrome.exe
3468	chrome.exe
3468	chrome.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
3468	chrome.exe
3468	chrome.exe
3468	chrome.exe
3468	chrome.exe
3468	chrome.exe
3468	chrome.exe
3468	chrome.exe
3468	chrome.exe
3468	chrome.exe
3468	chrome.exe
3468	chrome.exe
3468	chrome.exe
3468	chrome.exe
3468	chrome.exe
3468	chrome.exe
3468	chrome.exe
3468	chrome.exe
3468	chrome.exe
3468	chrome.exe
3468	chrome.exe
3468	chrome.exe
3468	chrome.exe
3468	chrome.exe
3468	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3468 wrote to memory of 4220	3468	chrome.exe	88
PID 3468 wrote to memory of 4220	3468	chrome.exe	88
PID 3468 wrote to memory of 3668	3468	chrome.exe	90
PID 3468 wrote to memory of 3668	3468	chrome.exe	90
PID 3468 wrote to memory of 3668	3468	chrome.exe	90
PID 3468 wrote to memory of 3668	3468	chrome.exe	90
PID 3468 wrote to memory of 3668	3468	chrome.exe	90
PID 3468 wrote to memory of 3668	3468	chrome.exe	90
PID 3468 wrote to memory of 3668	3468	chrome.exe	90
PID 3468 wrote to memory of 3668	3468	chrome.exe	90
PID 3468 wrote to memory of 3668	3468	chrome.exe	90
PID 3468 wrote to memory of 3668	3468	chrome.exe	90
PID 3468 wrote to memory of 3668	3468	chrome.exe	90
PID 3468 wrote to memory of 3668	3468	chrome.exe	90
PID 3468 wrote to memory of 3668	3468	chrome.exe	90
PID 3468 wrote to memory of 3668	3468	chrome.exe	90
PID 3468 wrote to memory of 3668	3468	chrome.exe	90
PID 3468 wrote to memory of 3668	3468	chrome.exe	90
PID 3468 wrote to memory of 3668	3468	chrome.exe	90
PID 3468 wrote to memory of 3668	3468	chrome.exe	90
PID 3468 wrote to memory of 3668	3468	chrome.exe	90
PID 3468 wrote to memory of 3668	3468	chrome.exe	90
PID 3468 wrote to memory of 3668	3468	chrome.exe	90
PID 3468 wrote to memory of 3668	3468	chrome.exe	90
PID 3468 wrote to memory of 3668	3468	chrome.exe	90
PID 3468 wrote to memory of 3668	3468	chrome.exe	90
PID 3468 wrote to memory of 3668	3468	chrome.exe	90
PID 3468 wrote to memory of 3668	3468	chrome.exe	90
PID 3468 wrote to memory of 3668	3468	chrome.exe	90
PID 3468 wrote to memory of 3668	3468	chrome.exe	90
PID 3468 wrote to memory of 3668	3468	chrome.exe	90
PID 3468 wrote to memory of 3668	3468	chrome.exe	90
PID 3468 wrote to memory of 3668	3468	chrome.exe	90
PID 3468 wrote to memory of 3668	3468	chrome.exe	90
PID 3468 wrote to memory of 3668	3468	chrome.exe	90
PID 3468 wrote to memory of 3668	3468	chrome.exe	90
PID 3468 wrote to memory of 3668	3468	chrome.exe	90
PID 3468 wrote to memory of 3668	3468	chrome.exe	90
PID 3468 wrote to memory of 3668	3468	chrome.exe	90
PID 3468 wrote to memory of 3668	3468	chrome.exe	90
PID 3468 wrote to memory of 3036	3468	chrome.exe	91
PID 3468 wrote to memory of 3036	3468	chrome.exe	91
PID 3468 wrote to memory of 1872	3468	chrome.exe	92
PID 3468 wrote to memory of 1872	3468	chrome.exe	92
PID 3468 wrote to memory of 1872	3468	chrome.exe	92
PID 3468 wrote to memory of 1872	3468	chrome.exe	92
PID 3468 wrote to memory of 1872	3468	chrome.exe	92
PID 3468 wrote to memory of 1872	3468	chrome.exe	92
PID 3468 wrote to memory of 1872	3468	chrome.exe	92
PID 3468 wrote to memory of 1872	3468	chrome.exe	92
PID 3468 wrote to memory of 1872	3468	chrome.exe	92
PID 3468 wrote to memory of 1872	3468	chrome.exe	92
PID 3468 wrote to memory of 1872	3468	chrome.exe	92
PID 3468 wrote to memory of 1872	3468	chrome.exe	92
PID 3468 wrote to memory of 1872	3468	chrome.exe	92
PID 3468 wrote to memory of 1872	3468	chrome.exe	92
PID 3468 wrote to memory of 1872	3468	chrome.exe	92
PID 3468 wrote to memory of 1872	3468	chrome.exe	92
PID 3468 wrote to memory of 1872	3468	chrome.exe	92
PID 3468 wrote to memory of 1872	3468	chrome.exe	92
PID 3468 wrote to memory of 1872	3468	chrome.exe	92
PID 3468 wrote to memory of 1872	3468	chrome.exe	92
PID 3468 wrote to memory of 1872	3468	chrome.exe	92
PID 3468 wrote to memory of 1872	3468	chrome.exe	92

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument http://bcomb.net:8080/BLyec8dL10iMiGxf7A86Q9uUZqda
1⤵
- Enumerates system info in registry
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:3468
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=106.0.5249.119 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ffb2cdb9758,0x7ffb2cdb9768,0x7ffb2cdb9778
  2⤵
  PID:4220
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1736 --field-trial-handle=1864,i,9598640466890963607,16728031513559517849,131072 /prefetch:2
  2⤵
  PID:3668
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2036 --field-trial-handle=1864,i,9598640466890963607,16728031513559517849,131072 /prefetch:8
  2⤵
  PID:3036
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2212 --field-trial-handle=1864,i,9598640466890963607,16728031513559517849,131072 /prefetch:8
  2⤵
  PID:1872
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=3024 --field-trial-handle=1864,i,9598640466890963607,16728031513559517849,131072 /prefetch:1
  2⤵
  PID:4052
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=3064 --field-trial-handle=1864,i,9598640466890963607,16728031513559517849,131072 /prefetch:1
  2⤵
  PID:1020
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.ProcessorMetrics --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4556 --field-trial-handle=1864,i,9598640466890963607,16728031513559517849,131072 /prefetch:8
  2⤵
  PID:4868
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4524 --field-trial-handle=1864,i,9598640466890963607,16728031513559517849,131072 /prefetch:8
  2⤵
  PID:4476
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --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=UAAAAAAAAADoAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAACQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1728 --field-trial-handle=1864,i,9598640466890963607,16728031513559517849,131072 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4764

C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"
1⤵
PID:2260

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\Google\Chrome\User Data\Default\Network\Network Persistent State

Filesize
1KB

MD5
bb934b358db4b61474edfdc75506f686

SHA1
b73d60312d9b11a4f785bb1a43fd4384679e8fd2

SHA256
d1a986e2f6b61318bab580db289f8b85903fb1b84f59fc81114ca923c2e72e62

SHA512
25d4d9cf9478cd97dc13142df68d3ca6445415b9c7396cf55254a3f8b0875ac2952f7a10b357cc92a97ac8c024333a1b4a439cf9af76a36d6589ae4c7ff2b182

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C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

Filesize
6KB

MD5
3d7099f0f89bebe8394869d931c9b035

SHA1
49a448be0437b73ac97f2ab1123b2ce77ee3ec4d

SHA256
8a835862c89d40495622950e38289a1e54aab8731ac81eae093388a0dc358b8e

SHA512
29c428368e6b83a7254d72db9d24a18497d9f13458b4a28373139835fb7f1717f7cc2aa2cf24ec67e7b513fff521ce1e509a63c37b801f85b4110fbff9478ef8

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C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State

Filesize
128KB

MD5
e2bc2e8639f3e8ca7b0e8328e4a27877

SHA1
ae8068ce15aa2427132bb0914d3cd7c4d73fcedb

SHA256
a03d1867a0b5196afdb968f0a86634470f16770b543e5df85859a1b7e5f52c2b

SHA512
2c2e42ebb718e25ccfd0b2d906adadbcd185430b9db8332147f824c8c4dd8c8f8d5efac86c3927eff29426aba8ae7725dded14fbb998d85dd2e9a000bc8d45ac

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\persisted_first_party_sets.json

Filesize
2B

MD5
99914b932bd37a50b983c5e7c90ae93b

SHA1
bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f

SHA256
44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a

SHA512
27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd

Download Submit