hxxps://github[.]com/st2024/Steamtools/releases

Analysis

max time kernel
119s
max time network
94s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
11/08/2024, 21:13

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General

Target

https://github.com/st2024/Steamtools/releases

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	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 = "133678844336517912"	chrome.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2840	chrome.exe
2840	chrome.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 IoCs

pid	Process
2840	chrome.exe
2840	chrome.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2840	chrome.exe
Token: SeCreatePagefilePrivilege	2840	chrome.exe
Token: SeShutdownPrivilege	2840	chrome.exe
Token: SeCreatePagefilePrivilege	2840	chrome.exe
Token: SeShutdownPrivilege	2840	chrome.exe
Token: SeCreatePagefilePrivilege	2840	chrome.exe
Token: SeShutdownPrivilege	2840	chrome.exe
Token: SeCreatePagefilePrivilege	2840	chrome.exe
Token: SeShutdownPrivilege	2840	chrome.exe
Token: SeCreatePagefilePrivilege	2840	chrome.exe
Token: SeShutdownPrivilege	2840	chrome.exe
Token: SeCreatePagefilePrivilege	2840	chrome.exe
Token: SeShutdownPrivilege	2840	chrome.exe
Token: SeCreatePagefilePrivilege	2840	chrome.exe
Token: SeShutdownPrivilege	2840	chrome.exe
Token: SeCreatePagefilePrivilege	2840	chrome.exe
Token: SeShutdownPrivilege	2840	chrome.exe
Token: SeCreatePagefilePrivilege	2840	chrome.exe
Token: SeShutdownPrivilege	2840	chrome.exe
Token: SeCreatePagefilePrivilege	2840	chrome.exe
Token: SeShutdownPrivilege	2840	chrome.exe
Token: SeCreatePagefilePrivilege	2840	chrome.exe
Token: SeShutdownPrivilege	2840	chrome.exe
Token: SeCreatePagefilePrivilege	2840	chrome.exe
Token: SeShutdownPrivilege	2840	chrome.exe
Token: SeCreatePagefilePrivilege	2840	chrome.exe
Token: SeShutdownPrivilege	2840	chrome.exe
Token: SeCreatePagefilePrivilege	2840	chrome.exe
Token: SeShutdownPrivilege	2840	chrome.exe
Token: SeCreatePagefilePrivilege	2840	chrome.exe
Token: SeShutdownPrivilege	2840	chrome.exe
Token: SeCreatePagefilePrivilege	2840	chrome.exe
Token: SeShutdownPrivilege	2840	chrome.exe
Token: SeCreatePagefilePrivilege	2840	chrome.exe
Token: SeShutdownPrivilege	2840	chrome.exe
Token: SeCreatePagefilePrivilege	2840	chrome.exe
Token: SeShutdownPrivilege	2840	chrome.exe
Token: SeCreatePagefilePrivilege	2840	chrome.exe
Token: SeShutdownPrivilege	2840	chrome.exe
Token: SeCreatePagefilePrivilege	2840	chrome.exe
Token: SeShutdownPrivilege	2840	chrome.exe
Token: SeCreatePagefilePrivilege	2840	chrome.exe
Token: SeShutdownPrivilege	2840	chrome.exe
Token: SeCreatePagefilePrivilege	2840	chrome.exe
Token: SeShutdownPrivilege	2840	chrome.exe
Token: SeCreatePagefilePrivilege	2840	chrome.exe
Token: SeShutdownPrivilege	2840	chrome.exe
Token: SeCreatePagefilePrivilege	2840	chrome.exe
Token: SeShutdownPrivilege	2840	chrome.exe
Token: SeCreatePagefilePrivilege	2840	chrome.exe
Token: SeShutdownPrivilege	2840	chrome.exe
Token: SeCreatePagefilePrivilege	2840	chrome.exe
Token: SeShutdownPrivilege	2840	chrome.exe
Token: SeCreatePagefilePrivilege	2840	chrome.exe
Token: SeShutdownPrivilege	2840	chrome.exe
Token: SeCreatePagefilePrivilege	2840	chrome.exe
Token: SeShutdownPrivilege	2840	chrome.exe
Token: SeCreatePagefilePrivilege	2840	chrome.exe
Token: SeShutdownPrivilege	2840	chrome.exe
Token: SeCreatePagefilePrivilege	2840	chrome.exe
Token: SeShutdownPrivilege	2840	chrome.exe
Token: SeCreatePagefilePrivilege	2840	chrome.exe
Token: SeShutdownPrivilege	2840	chrome.exe
Token: SeCreatePagefilePrivilege	2840	chrome.exe

Suspicious use of FindShellTrayWindow 26 IoCs

pid	Process
2840	chrome.exe
2840	chrome.exe
2840	chrome.exe
2840	chrome.exe
2840	chrome.exe
2840	chrome.exe
2840	chrome.exe
2840	chrome.exe
2840	chrome.exe
2840	chrome.exe
2840	chrome.exe
2840	chrome.exe
2840	chrome.exe
2840	chrome.exe
2840	chrome.exe
2840	chrome.exe
2840	chrome.exe
2840	chrome.exe
2840	chrome.exe
2840	chrome.exe
2840	chrome.exe
2840	chrome.exe
2840	chrome.exe
2840	chrome.exe
2840	chrome.exe
2840	chrome.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
2840	chrome.exe
2840	chrome.exe
2840	chrome.exe
2840	chrome.exe
2840	chrome.exe
2840	chrome.exe
2840	chrome.exe
2840	chrome.exe
2840	chrome.exe
2840	chrome.exe
2840	chrome.exe
2840	chrome.exe
2840	chrome.exe
2840	chrome.exe
2840	chrome.exe
2840	chrome.exe
2840	chrome.exe
2840	chrome.exe
2840	chrome.exe
2840	chrome.exe
2840	chrome.exe
2840	chrome.exe
2840	chrome.exe
2840	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2840 wrote to memory of 2828	2840	chrome.exe	73
PID 2840 wrote to memory of 2828	2840	chrome.exe	73
PID 2840 wrote to memory of 3648	2840	chrome.exe	75
PID 2840 wrote to memory of 3648	2840	chrome.exe	75
PID 2840 wrote to memory of 3648	2840	chrome.exe	75
PID 2840 wrote to memory of 3648	2840	chrome.exe	75
PID 2840 wrote to memory of 3648	2840	chrome.exe	75
PID 2840 wrote to memory of 3648	2840	chrome.exe	75
PID 2840 wrote to memory of 3648	2840	chrome.exe	75
PID 2840 wrote to memory of 3648	2840	chrome.exe	75
PID 2840 wrote to memory of 3648	2840	chrome.exe	75
PID 2840 wrote to memory of 3648	2840	chrome.exe	75
PID 2840 wrote to memory of 3648	2840	chrome.exe	75
PID 2840 wrote to memory of 3648	2840	chrome.exe	75
PID 2840 wrote to memory of 3648	2840	chrome.exe	75
PID 2840 wrote to memory of 3648	2840	chrome.exe	75
PID 2840 wrote to memory of 3648	2840	chrome.exe	75
PID 2840 wrote to memory of 3648	2840	chrome.exe	75
PID 2840 wrote to memory of 3648	2840	chrome.exe	75
PID 2840 wrote to memory of 3648	2840	chrome.exe	75
PID 2840 wrote to memory of 3648	2840	chrome.exe	75
PID 2840 wrote to memory of 3648	2840	chrome.exe	75
PID 2840 wrote to memory of 3648	2840	chrome.exe	75
PID 2840 wrote to memory of 3648	2840	chrome.exe	75
PID 2840 wrote to memory of 3648	2840	chrome.exe	75
PID 2840 wrote to memory of 3648	2840	chrome.exe	75
PID 2840 wrote to memory of 3648	2840	chrome.exe	75
PID 2840 wrote to memory of 3648	2840	chrome.exe	75
PID 2840 wrote to memory of 3648	2840	chrome.exe	75
PID 2840 wrote to memory of 3648	2840	chrome.exe	75
PID 2840 wrote to memory of 3648	2840	chrome.exe	75
PID 2840 wrote to memory of 3648	2840	chrome.exe	75
PID 2840 wrote to memory of 3648	2840	chrome.exe	75
PID 2840 wrote to memory of 3648	2840	chrome.exe	75
PID 2840 wrote to memory of 3648	2840	chrome.exe	75
PID 2840 wrote to memory of 3648	2840	chrome.exe	75
PID 2840 wrote to memory of 3648	2840	chrome.exe	75
PID 2840 wrote to memory of 3648	2840	chrome.exe	75
PID 2840 wrote to memory of 3648	2840	chrome.exe	75
PID 2840 wrote to memory of 3648	2840	chrome.exe	75
PID 2840 wrote to memory of 4512	2840	chrome.exe	76
PID 2840 wrote to memory of 4512	2840	chrome.exe	76
PID 2840 wrote to memory of 976	2840	chrome.exe	77
PID 2840 wrote to memory of 976	2840	chrome.exe	77
PID 2840 wrote to memory of 976	2840	chrome.exe	77
PID 2840 wrote to memory of 976	2840	chrome.exe	77
PID 2840 wrote to memory of 976	2840	chrome.exe	77
PID 2840 wrote to memory of 976	2840	chrome.exe	77
PID 2840 wrote to memory of 976	2840	chrome.exe	77
PID 2840 wrote to memory of 976	2840	chrome.exe	77
PID 2840 wrote to memory of 976	2840	chrome.exe	77
PID 2840 wrote to memory of 976	2840	chrome.exe	77
PID 2840 wrote to memory of 976	2840	chrome.exe	77
PID 2840 wrote to memory of 976	2840	chrome.exe	77
PID 2840 wrote to memory of 976	2840	chrome.exe	77
PID 2840 wrote to memory of 976	2840	chrome.exe	77
PID 2840 wrote to memory of 976	2840	chrome.exe	77
PID 2840 wrote to memory of 976	2840	chrome.exe	77
PID 2840 wrote to memory of 976	2840	chrome.exe	77
PID 2840 wrote to memory of 976	2840	chrome.exe	77
PID 2840 wrote to memory of 976	2840	chrome.exe	77
PID 2840 wrote to memory of 976	2840	chrome.exe	77
PID 2840 wrote to memory of 976	2840	chrome.exe	77
PID 2840 wrote to memory of 976	2840	chrome.exe	77

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 https://github.com/st2024/Steamtools/releases
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:2840
- 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=0xcc,0xd0,0xd4,0xa8,0xd8,0x7fff62989758,0x7fff62989768,0x7fff62989778
  2⤵
  PID:2828
- 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=1576 --field-trial-handle=1852,i,12951775538932707831,14144665128152018166,131072 /prefetch:2
  2⤵
  PID:3648
- 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=1696 --field-trial-handle=1852,i,12951775538932707831,14144665128152018166,131072 /prefetch:8
  2⤵
  PID:4512
- 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=2068 --field-trial-handle=1852,i,12951775538932707831,14144665128152018166,131072 /prefetch:8
  2⤵
  PID:976
- 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=2836 --field-trial-handle=1852,i,12951775538932707831,14144665128152018166,131072 /prefetch:1
  2⤵
  PID:4904
- 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=2844 --field-trial-handle=1852,i,12951775538932707831,14144665128152018166,131072 /prefetch:1
  2⤵
  PID:2588
- 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=4644 --field-trial-handle=1852,i,12951775538932707831,14144665128152018166,131072 /prefetch:8
  2⤵
  PID:5048
- 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=4816 --field-trial-handle=1852,i,12951775538932707831,14144665128152018166,131072 /prefetch:8
  2⤵
  PID:5016

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:5116

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\Google\Chrome\User Data\Default\Code Cache\js\index-dir\the-real-index

Filesize
1KB

MD5
6c7b98ce8448953d947749c8720a2908

SHA1
82497d24aa76a390b90d3bf1cda2cbfea0c3ee5d

SHA256
c69a3a6defc6c9fcdabccb08d90a5cc03ac79c2561a472a433015699482f1165

SHA512
6b3d62039e6e806ae17375e16796f26c50e3287bdf025c2fff1dbade29947bf94d81bc892778e63a3a91299ae0b68be33951a9dd192faaa2fa9ff6e85789338e

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State

Filesize
1KB

MD5
cf4a489a4c728701a05701bdfe91bdde

SHA1
db6f5d00787b41843f6d8655180b46dfb8cf7ff6

SHA256
64131a114b0f49733a43e7e681dfb227647bca67993c33f1652656d6b7037746

SHA512
87fb2ec02a45e0fa18ed2625444dae71f1d7e21dfc3a7e27f1766e202cd8d2bb063bde9bc2f0e24cbb2f09dc64574901dc9106543c6e5ad771ca01cf6a2ffa5b

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\TransportSecurity

Filesize
1KB

MD5
10e64cdc1b3e206c41f53627c2d0661e

SHA1
689f32b72ef6c622a6c5c1ba87f1f808a2327368

SHA256
c30e8e565049872d794af2b802a2e2e44f0203754908fa4f5a4c283313f8e753

SHA512
e10c13262e6322bb291ee18c22e29d05042e5768df9cada059ab4b244f6401193d245089c26d62becac1f49281c6a0cec301450e587da1cb6d9938bb41daf78d

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

Filesize
6KB

MD5
24367fcf9ad25a2e08096640ec80460d

SHA1
63cf589f2725ec202857324ca3f203e1764d41f3

SHA256
f09ccd9445383ba3758167ab9a4577c288cb83b2c9d28d808b68c4766cda8856

SHA512
965cff8a06ee6df5488361ee45e58d1ccea4e92f1de4a8c816b190cd9cfcad2be6631b11c739ea7f15790ad751cd6975abcd741bd88531d1c25eb023bc0a6de5

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

Filesize
6KB

MD5
7427edd53108155ef4c9c38e8d44d4df

SHA1
ff4c9a17e052a9e2b554483f8988f3491a7da987

SHA256
61e5e3f235bd243236d9dddb4cd076caba2d5c80ef0a936810a568879b3e928f

SHA512
a8ef76160c0ff5d3732c2e49c80d91c3902fb925b9d609bc76a0dab5c88acdaa2a53b4c0cb8f080384273b87e0f75624630985fec45c49746a5951a6e9cacd66

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

Filesize
6KB

MD5
723e6b1eb03c70d64316e728a3267bd7

SHA1
2e5a3d39f75ecd6e7953138fc4ac1e3ef569b614

SHA256
773f72ad9920d42dbcab6c5fb79584aa34905ad6e7f217c5c5e09a9377334971

SHA512
8a587de6e123476b52df0c8215a7a5d00148b355d7d888eaba0efb50fbdaeafe9c4211defe559146e5064d982caf298fe1caf71a915ba535d12efb486fb77531

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

Filesize
136KB

MD5
029c5f0596d686fb7039819e295c2c71

SHA1
01f0844a8f85f296dbb6ec3ef6d9ddea3abab271

SHA256
3f4248d978a9804b4f1dda7148132c900cbbe62b5687694e4cbcce9cca49f751

SHA512
8774f30e398c6bf846950c2c15fa50a535ed6e610f4b1a8667aab6512f6318cd0730ab360401b70361cacdb76241dfe0353a3149f68dc155e4c86e6ac50d1342

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