hxxps://steam[.]workshopcompetition[.]com/sharedfiles/filesdetails/Bounty_Brim/

Analysis

max time kernel
25s
max time network
26s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07-12-2024 21:41

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General

Target

https://steam.workshopcompetition.com/sharedfiles/filesdetails/Bounty_Brim/

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 6 IoCs

pid	Process
3328	msedge.exe
3328	msedge.exe
1464	msedge.exe
1464	msedge.exe
5032	identity_helper.exe
5032	identity_helper.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 IoCs

pid	Process
1464	msedge.exe
1464	msedge.exe
1464	msedge.exe
1464	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
1464	msedge.exe
1464	msedge.exe
1464	msedge.exe
1464	msedge.exe
1464	msedge.exe
1464	msedge.exe
1464	msedge.exe
1464	msedge.exe
1464	msedge.exe
1464	msedge.exe
1464	msedge.exe
1464	msedge.exe
1464	msedge.exe
1464	msedge.exe
1464	msedge.exe
1464	msedge.exe
1464	msedge.exe
1464	msedge.exe
1464	msedge.exe
1464	msedge.exe
1464	msedge.exe
1464	msedge.exe
1464	msedge.exe
1464	msedge.exe
1464	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
1464	msedge.exe
1464	msedge.exe
1464	msedge.exe
1464	msedge.exe
1464	msedge.exe
1464	msedge.exe
1464	msedge.exe
1464	msedge.exe
1464	msedge.exe
1464	msedge.exe
1464	msedge.exe
1464	msedge.exe
1464	msedge.exe
1464	msedge.exe
1464	msedge.exe
1464	msedge.exe
1464	msedge.exe
1464	msedge.exe
1464	msedge.exe
1464	msedge.exe
1464	msedge.exe
1464	msedge.exe
1464	msedge.exe
1464	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1464 wrote to memory of 3928	1464	msedge.exe	83
PID 1464 wrote to memory of 3928	1464	msedge.exe	83
PID 1464 wrote to memory of 2364	1464	msedge.exe	84
PID 1464 wrote to memory of 2364	1464	msedge.exe	84
PID 1464 wrote to memory of 2364	1464	msedge.exe	84
PID 1464 wrote to memory of 2364	1464	msedge.exe	84
PID 1464 wrote to memory of 2364	1464	msedge.exe	84
PID 1464 wrote to memory of 2364	1464	msedge.exe	84
PID 1464 wrote to memory of 2364	1464	msedge.exe	84
PID 1464 wrote to memory of 2364	1464	msedge.exe	84
PID 1464 wrote to memory of 2364	1464	msedge.exe	84
PID 1464 wrote to memory of 2364	1464	msedge.exe	84
PID 1464 wrote to memory of 2364	1464	msedge.exe	84
PID 1464 wrote to memory of 2364	1464	msedge.exe	84
PID 1464 wrote to memory of 2364	1464	msedge.exe	84
PID 1464 wrote to memory of 2364	1464	msedge.exe	84
PID 1464 wrote to memory of 2364	1464	msedge.exe	84
PID 1464 wrote to memory of 2364	1464	msedge.exe	84
PID 1464 wrote to memory of 2364	1464	msedge.exe	84
PID 1464 wrote to memory of 2364	1464	msedge.exe	84
PID 1464 wrote to memory of 2364	1464	msedge.exe	84
PID 1464 wrote to memory of 2364	1464	msedge.exe	84
PID 1464 wrote to memory of 2364	1464	msedge.exe	84
PID 1464 wrote to memory of 2364	1464	msedge.exe	84
PID 1464 wrote to memory of 2364	1464	msedge.exe	84
PID 1464 wrote to memory of 2364	1464	msedge.exe	84
PID 1464 wrote to memory of 2364	1464	msedge.exe	84
PID 1464 wrote to memory of 2364	1464	msedge.exe	84
PID 1464 wrote to memory of 2364	1464	msedge.exe	84
PID 1464 wrote to memory of 2364	1464	msedge.exe	84
PID 1464 wrote to memory of 2364	1464	msedge.exe	84
PID 1464 wrote to memory of 2364	1464	msedge.exe	84
PID 1464 wrote to memory of 2364	1464	msedge.exe	84
PID 1464 wrote to memory of 2364	1464	msedge.exe	84
PID 1464 wrote to memory of 2364	1464	msedge.exe	84
PID 1464 wrote to memory of 2364	1464	msedge.exe	84
PID 1464 wrote to memory of 2364	1464	msedge.exe	84
PID 1464 wrote to memory of 2364	1464	msedge.exe	84
PID 1464 wrote to memory of 2364	1464	msedge.exe	84
PID 1464 wrote to memory of 2364	1464	msedge.exe	84
PID 1464 wrote to memory of 2364	1464	msedge.exe	84
PID 1464 wrote to memory of 2364	1464	msedge.exe	84
PID 1464 wrote to memory of 3328	1464	msedge.exe	85
PID 1464 wrote to memory of 3328	1464	msedge.exe	85
PID 1464 wrote to memory of 1840	1464	msedge.exe	86
PID 1464 wrote to memory of 1840	1464	msedge.exe	86
PID 1464 wrote to memory of 1840	1464	msedge.exe	86
PID 1464 wrote to memory of 1840	1464	msedge.exe	86
PID 1464 wrote to memory of 1840	1464	msedge.exe	86
PID 1464 wrote to memory of 1840	1464	msedge.exe	86
PID 1464 wrote to memory of 1840	1464	msedge.exe	86
PID 1464 wrote to memory of 1840	1464	msedge.exe	86
PID 1464 wrote to memory of 1840	1464	msedge.exe	86
PID 1464 wrote to memory of 1840	1464	msedge.exe	86
PID 1464 wrote to memory of 1840	1464	msedge.exe	86
PID 1464 wrote to memory of 1840	1464	msedge.exe	86
PID 1464 wrote to memory of 1840	1464	msedge.exe	86
PID 1464 wrote to memory of 1840	1464	msedge.exe	86
PID 1464 wrote to memory of 1840	1464	msedge.exe	86
PID 1464 wrote to memory of 1840	1464	msedge.exe	86
PID 1464 wrote to memory of 1840	1464	msedge.exe	86
PID 1464 wrote to memory of 1840	1464	msedge.exe	86
PID 1464 wrote to memory of 1840	1464	msedge.exe	86
PID 1464 wrote to memory of 1840	1464	msedge.exe	86

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --start-maximized --single-argument https://steam.workshopcompetition.com/sharedfiles/filesdetails/Bounty_Brim/
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:1464
- 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,0x100,0x104,0xd8,0x108,0x7ffedd6d46f8,0x7ffedd6d4708,0x7ffedd6d4718
  2⤵
  PID:3928
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2052,15579025758700465616,1394827749446789153,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2084 /prefetch:2
  2⤵
  PID:2364
- 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=2052,15579025758700465616,1394827749446789153,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2476 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3328
- 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=2052,15579025758700465616,1394827749446789153,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2896 /prefetch:8
  2⤵
  PID:1840
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2052,15579025758700465616,1394827749446789153,131072 --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=3348 /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=2052,15579025758700465616,1394827749446789153,131072 --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=3364 /prefetch:1
  2⤵
  PID:1424
- 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=2052,15579025758700465616,1394827749446789153,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5848 /prefetch:8
  2⤵
  PID:1284
- 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=2052,15579025758700465616,1394827749446789153,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5848 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:5032
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2052,15579025758700465616,1394827749446789153,131072 --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=4056 /prefetch:1
  2⤵
  PID:3796
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2052,15579025758700465616,1394827749446789153,131072 --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:4528

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4356

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2096

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
e55832d7cd7e868a2c087c4c73678018

SHA1
ed7a2f6d6437e907218ffba9128802eaf414a0eb

SHA256
a4d7777b980ec53de3a70aca8fb25b77e9b53187e7d2f0fa1a729ee9a35da574

SHA512
897fdebf1a9269a1bf1e3a791f6ee9ab7c24c9d75eeff65ac9599764e1c8585784e1837ba5321d90af0b004af121b2206081a6fb1b1ad571a0051ee33d3f5c5f

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

Filesize
152B

MD5
c2d9eeb3fdd75834f0ac3f9767de8d6f

SHA1
4d16a7e82190f8490a00008bd53d85fb92e379b0

SHA256
1e5efb5f1d78a4cc269cb116307e9d767fc5ad8a18e6cf95c81c61d7b1da5c66

SHA512
d92f995f9e096ecc0a7b8b4aca336aeef0e7b919fe7fe008169f0b87da84d018971ba5728141557d42a0fc562a25191bd85e0d7354c401b09e8b62cdc44b6dcd

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

Filesize
480B

MD5
049d37c4670bc51cf9b8c21eee746ed9

SHA1
4187451893794a4cab336205b22a32331c9e882c

SHA256
231336819278e4a35ef2673d513569812eba81388783dd0dcac83d99d945645d

SHA512
1bbd256017757bad3461392b8b265445c2a8f239bb17c34a9d97bea5d232994633f1b7c5374dd6e57961ed4125533c88d4553fc1460cd07b685d7aacde90352d

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

Filesize
5KB

MD5
05a32ed4a15b099c6f6c7576fcedaaba

SHA1
adc45571faa7e40d511b25bc6a53549428d8ccf6

SHA256
e75c71e693d7bdce1b33f6012ab366818feb7f8b41b91bd25eeb00f0d0cbf266

SHA512
015a0f4d35ae8599edc3aa816366e826305d6fc2f71d08d6076436be78c5c1ef651f6bd61c15d23e5dde0e0d8a7439ef08c69f0085d02339295c607c643fe6b7

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

Filesize
6KB

MD5
2c4ac6e67229ac1f4d101fb9635b0a51

SHA1
498251d9c4dd14451cef3f6dc2db36e8aeabc574

SHA256
4b00a587bd90175599ca500e824f2bc6e7247684444d57b41d32bdf267e63df5

SHA512
b15fea3ada6933149639fa806a4b1a4908c393302444f5568bdf1ba7a9f20136eb9039cc099577258a39cf74f329bf9c6f4c4729d641557239deda2c42dc7701

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
f70d45a952b9466d1f58ba4b935a979b

SHA1
a19b2aa225a7965e70515484fc4f417c85da8c2a

SHA256
ad7c13a1d1c6d84c1c6d36c75349f7d6a35a1a5812a0a06ffd031c629aa77cd7

SHA512
b5557ba0bfedf0af22aa1d83743ab94e6c6b75c6e36eb4d1cb285882835a0a3f58bcec7704480933e71946a7349db1b97f5e159536125222f782e28c501ed63a

Download Submit