c9f2e2abb046ff2535537182edf9a9b748aa10a22e98a1d8c948d874f4ffb304

Analysis

max time kernel
960s
max time network
718s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
14-11-2024 13:33

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General

Target

SteamtoolsSetup.exe
Size

978KB
MD5

bbf15e65d4e3c3580fc54adf1be95201
SHA1

79091be8f7f7a6e66669b6a38e494cf7a62b5117
SHA256

c9f2e2abb046ff2535537182edf9a9b748aa10a22e98a1d8c948d874f4ffb304
SHA512

9bb261b4ed84af846e07ffb6352960687e59428fd497faa0a37d70b57a1a7430d48ac350fbb0c3f0f11e4231a98ebca4d6923deba0949fdd7a247a3c02737355
SSDEEP

24576:4Fa9OUi2VoN2gZ1M8UQag3BXrYZt+GgGTfG74T+TRcL:Z9OUiTN2gZ1MExEZkkf+4TARg

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

Processes:

chrome.exe

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

chrome.exe

pid process

2592 chrome.exe
2592 chrome.exe

Suspicious use of AdjustPrivilegeToken 14 IoCs

Processes:

chrome.exeAUDIODG.EXE

description	pid	process
Token: SeShutdownPrivilege	2592	chrome.exe
Token: SeShutdownPrivilege	2592	chrome.exe
Token: SeShutdownPrivilege	2592	chrome.exe
Token: SeShutdownPrivilege	2592	chrome.exe
Token: SeShutdownPrivilege	2592	chrome.exe
Token: SeShutdownPrivilege	2592	chrome.exe
Token: SeShutdownPrivilege	2592	chrome.exe
Token: SeShutdownPrivilege	2592	chrome.exe
Token: SeShutdownPrivilege	2592	chrome.exe
Token: SeShutdownPrivilege	2592	chrome.exe
Token: 33	2588	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	2588	AUDIODG.EXE
Token: 33	2588	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	2588	AUDIODG.EXE

Suspicious use of FindShellTrayWindow 35 IoCs

Processes:

chrome.exe

pid	process
2592	chrome.exe
2592	chrome.exe
2592	chrome.exe
2592	chrome.exe
2592	chrome.exe
2592	chrome.exe
2592	chrome.exe
2592	chrome.exe
2592	chrome.exe
2592	chrome.exe
2592	chrome.exe
2592	chrome.exe
2592	chrome.exe
2592	chrome.exe
2592	chrome.exe
2592	chrome.exe
2592	chrome.exe
2592	chrome.exe
2592	chrome.exe
2592	chrome.exe
2592	chrome.exe
2592	chrome.exe
2592	chrome.exe
2592	chrome.exe
2592	chrome.exe
2592	chrome.exe
2592	chrome.exe
2592	chrome.exe
2592	chrome.exe
2592	chrome.exe
2592	chrome.exe
2592	chrome.exe
2592	chrome.exe
2592	chrome.exe
2592	chrome.exe

Suspicious use of SendNotifyMessage 32 IoCs

Processes:

chrome.exe

pid	process
2592	chrome.exe
2592	chrome.exe
2592	chrome.exe
2592	chrome.exe
2592	chrome.exe
2592	chrome.exe
2592	chrome.exe
2592	chrome.exe
2592	chrome.exe
2592	chrome.exe
2592	chrome.exe
2592	chrome.exe
2592	chrome.exe
2592	chrome.exe
2592	chrome.exe
2592	chrome.exe
2592	chrome.exe
2592	chrome.exe
2592	chrome.exe
2592	chrome.exe
2592	chrome.exe
2592	chrome.exe
2592	chrome.exe
2592	chrome.exe
2592	chrome.exe
2592	chrome.exe
2592	chrome.exe
2592	chrome.exe
2592	chrome.exe
2592	chrome.exe
2592	chrome.exe
2592	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

chrome.exe

description	pid	process	target process
PID 2592 wrote to memory of 3044	2592	chrome.exe	chrome.exe
PID 2592 wrote to memory of 3044	2592	chrome.exe	chrome.exe
PID 2592 wrote to memory of 3044	2592	chrome.exe	chrome.exe
PID 2592 wrote to memory of 2124	2592	chrome.exe	chrome.exe
PID 2592 wrote to memory of 2124	2592	chrome.exe	chrome.exe
PID 2592 wrote to memory of 2124	2592	chrome.exe	chrome.exe
PID 2592 wrote to memory of 2124	2592	chrome.exe	chrome.exe
PID 2592 wrote to memory of 2124	2592	chrome.exe	chrome.exe
PID 2592 wrote to memory of 2124	2592	chrome.exe	chrome.exe
PID 2592 wrote to memory of 2124	2592	chrome.exe	chrome.exe
PID 2592 wrote to memory of 2124	2592	chrome.exe	chrome.exe
PID 2592 wrote to memory of 2124	2592	chrome.exe	chrome.exe
PID 2592 wrote to memory of 2124	2592	chrome.exe	chrome.exe
PID 2592 wrote to memory of 2124	2592	chrome.exe	chrome.exe
PID 2592 wrote to memory of 2124	2592	chrome.exe	chrome.exe
PID 2592 wrote to memory of 2124	2592	chrome.exe	chrome.exe
PID 2592 wrote to memory of 2124	2592	chrome.exe	chrome.exe
PID 2592 wrote to memory of 2124	2592	chrome.exe	chrome.exe
PID 2592 wrote to memory of 2124	2592	chrome.exe	chrome.exe
PID 2592 wrote to memory of 2124	2592	chrome.exe	chrome.exe
PID 2592 wrote to memory of 2124	2592	chrome.exe	chrome.exe
PID 2592 wrote to memory of 2124	2592	chrome.exe	chrome.exe
PID 2592 wrote to memory of 2124	2592	chrome.exe	chrome.exe
PID 2592 wrote to memory of 2124	2592	chrome.exe	chrome.exe
PID 2592 wrote to memory of 2124	2592	chrome.exe	chrome.exe
PID 2592 wrote to memory of 2124	2592	chrome.exe	chrome.exe
PID 2592 wrote to memory of 2124	2592	chrome.exe	chrome.exe
PID 2592 wrote to memory of 2124	2592	chrome.exe	chrome.exe
PID 2592 wrote to memory of 2124	2592	chrome.exe	chrome.exe
PID 2592 wrote to memory of 2124	2592	chrome.exe	chrome.exe
PID 2592 wrote to memory of 2124	2592	chrome.exe	chrome.exe
PID 2592 wrote to memory of 2124	2592	chrome.exe	chrome.exe
PID 2592 wrote to memory of 2124	2592	chrome.exe	chrome.exe
PID 2592 wrote to memory of 2124	2592	chrome.exe	chrome.exe
PID 2592 wrote to memory of 2124	2592	chrome.exe	chrome.exe
PID 2592 wrote to memory of 2124	2592	chrome.exe	chrome.exe
PID 2592 wrote to memory of 2124	2592	chrome.exe	chrome.exe
PID 2592 wrote to memory of 2124	2592	chrome.exe	chrome.exe
PID 2592 wrote to memory of 2124	2592	chrome.exe	chrome.exe
PID 2592 wrote to memory of 2124	2592	chrome.exe	chrome.exe
PID 2592 wrote to memory of 2124	2592	chrome.exe	chrome.exe
PID 2592 wrote to memory of 2124	2592	chrome.exe	chrome.exe
PID 2592 wrote to memory of 2112	2592	chrome.exe	chrome.exe
PID 2592 wrote to memory of 2112	2592	chrome.exe	chrome.exe
PID 2592 wrote to memory of 2112	2592	chrome.exe	chrome.exe
PID 2592 wrote to memory of 2212	2592	chrome.exe	chrome.exe
PID 2592 wrote to memory of 2212	2592	chrome.exe	chrome.exe
PID 2592 wrote to memory of 2212	2592	chrome.exe	chrome.exe
PID 2592 wrote to memory of 2212	2592	chrome.exe	chrome.exe
PID 2592 wrote to memory of 2212	2592	chrome.exe	chrome.exe
PID 2592 wrote to memory of 2212	2592	chrome.exe	chrome.exe
PID 2592 wrote to memory of 2212	2592	chrome.exe	chrome.exe
PID 2592 wrote to memory of 2212	2592	chrome.exe	chrome.exe
PID 2592 wrote to memory of 2212	2592	chrome.exe	chrome.exe
PID 2592 wrote to memory of 2212	2592	chrome.exe	chrome.exe
PID 2592 wrote to memory of 2212	2592	chrome.exe	chrome.exe
PID 2592 wrote to memory of 2212	2592	chrome.exe	chrome.exe
PID 2592 wrote to memory of 2212	2592	chrome.exe	chrome.exe
PID 2592 wrote to memory of 2212	2592	chrome.exe	chrome.exe
PID 2592 wrote to memory of 2212	2592	chrome.exe	chrome.exe
PID 2592 wrote to memory of 2212	2592	chrome.exe	chrome.exe
PID 2592 wrote to memory of 2212	2592	chrome.exe	chrome.exe
PID 2592 wrote to memory of 2212	2592	chrome.exe	chrome.exe
PID 2592 wrote to memory of 2212	2592	chrome.exe	chrome.exe

C:\Users\Admin\AppData\Local\Temp\SteamtoolsSetup.exe
"C:\Users\Admin\AppData\Local\Temp\SteamtoolsSetup.exe"
1⤵
PID:2188

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe"
1⤵
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2592
- 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=0xc0,0xc4,0xc8,0x94,0xcc,0x7fef65c9758,0x7fef65c9768,0x7fef65c9778
  2⤵
  PID:3044
- 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=1144 --field-trial-handle=1360,i,112377021073932702,11508812469242774257,131072 /prefetch:2
  2⤵
  PID:2124
- 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=1504 --field-trial-handle=1360,i,112377021073932702,11508812469242774257,131072 /prefetch:8
  2⤵
  PID:2112
- 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=1612 --field-trial-handle=1360,i,112377021073932702,11508812469242774257,131072 /prefetch:8
  2⤵
  PID:2212
- 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=2288 --field-trial-handle=1360,i,112377021073932702,11508812469242774257,131072 /prefetch:1
  2⤵
  PID:2152
- 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=2312 --field-trial-handle=1360,i,112377021073932702,11508812469242774257,131072 /prefetch:1
  2⤵
  PID:1872
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --use-gl=angle --use-angle=swiftshader-webgl --mojo-platform-channel-handle=1520 --field-trial-handle=1360,i,112377021073932702,11508812469242774257,131072 /prefetch:2
  2⤵
  PID:916
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --mojo-platform-channel-handle=1284 --field-trial-handle=1360,i,112377021073932702,11508812469242774257,131072 /prefetch:1
  2⤵
  PID:1596
- 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=3696 --field-trial-handle=1360,i,112377021073932702,11508812469242774257,131072 /prefetch:8
  2⤵
  PID:1584

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:752

C:\Windows\explorer.exe
"C:\Windows\explorer.exe"
1⤵
PID:1984

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x43c
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2588

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\GCM Store\Encryption\000006.dbtmp

Filesize
16B

MD5
aefd77f47fb84fae5ea194496b44c67a

SHA1
dcfbb6a5b8d05662c4858664f81693bb7f803b82

SHA256
4166bf17b2da789b0d0cc5c74203041d98005f5d4ef88c27e8281e00148cd611

SHA512
b733d502138821948267a8b27401d7c0751e590e1298fda1428e663ccd02f55d0d2446ff4bc265bdcdc61f952d13c01524a5341bc86afc3c2cde1d8589b2e1c3

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GPUCache\data_1

Filesize
264KB

MD5
f50f89a0a91564d0b8a211f8921aa7de

SHA1
112403a17dd69d5b9018b8cede023cb3b54eab7d

SHA256
b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec

SHA512
bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Sync Data\LevelDB\000007.dbtmp

Filesize
16B

MD5
18e723571b00fb1694a3bad6c78e4054

SHA1
afcc0ef32d46fe59e0483f9a3c891d3034d12f32

SHA256
8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa

SHA512
43bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\e682b060-4fc9-4252-a757-05b1d8f6b8e9.tmp

Filesize
338KB

MD5
47fa20bdc634883199331668f11e950b

SHA1
4b38c7a8d46efe5b15de40ce092a627a8c48c469

SHA256
89ee153338153ac1d4dd581c5d5dd0ac004feb95ef5ea8463b6e2bb57ac84dd5

SHA512
42c8bd7996970383d02bda0ba08f8b3fd6e75de2e7e66e1f1142af9535503064e439d9e4d77fcb3c64fe5d760ccd9219cde107d7848d410de5aaf49b1418e633

Download Submit
\??\pipe\crashpad_2592_RUJEZLOPGBCFBVYD

MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit