b543786376bd7a1ff82d17b9e766cc5f42f40e8c2f3eebe4923d75c8ec74c518

Analysis

max time kernel
44s
max time network
132s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
02/08/2024, 21:04

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General

Target

SteamFix64.dll
Size

1.2MB
MD5

c21f161363b7a1c9a4cda780e99f1dcd
SHA1

5b6f4e4b8fe321c70e5037e381dabc633e6f18de
SHA256

b543786376bd7a1ff82d17b9e766cc5f42f40e8c2f3eebe4923d75c8ec74c518
SHA512

1762877e2312526b210d9935388b4b3badd88e2e48dd715681256d3a15b9c9d6c4c896c115c4bcb2ad3ad89bb3dc811f0fcfb5ae0871432cf9650c7e64a7ad9c
SSDEEP

24576:ywlFrCW6vkYe4ipRQ+vCjLl/GPYdZdi7Yvf80eQi+j8u:ywlFrLYOfQ+vELl/GPYdZ6af80eQi+n

Score

7^/10

discovery vmprotect

Malware Config

Signatures

VMProtect packed file 3 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

resource	yara_rule
behavioral1/memory/2256-1-0x000007FEF6680000-0x000007FEF6882000-memory.dmp	vmprotect
behavioral1/memory/2256-2-0x000007FEF6680000-0x000007FEF6882000-memory.dmp	vmprotect
behavioral1/memory/2256-5-0x000007FEF6680000-0x000007FEF6882000-memory.dmp	vmprotect

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2052	chrome.exe
2052	chrome.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2052	chrome.exe
Token: SeShutdownPrivilege	2052	chrome.exe
Token: SeShutdownPrivilege	2052	chrome.exe
Token: SeShutdownPrivilege	2052	chrome.exe
Token: SeShutdownPrivilege	2052	chrome.exe
Token: SeShutdownPrivilege	2052	chrome.exe
Token: SeShutdownPrivilege	2052	chrome.exe
Token: SeShutdownPrivilege	2052	chrome.exe
Token: SeShutdownPrivilege	2052	chrome.exe
Token: SeShutdownPrivilege	2052	chrome.exe
Token: SeShutdownPrivilege	2052	chrome.exe
Token: SeShutdownPrivilege	2052	chrome.exe
Token: SeShutdownPrivilege	2052	chrome.exe
Token: SeShutdownPrivilege	2052	chrome.exe
Token: SeShutdownPrivilege	2052	chrome.exe
Token: SeShutdownPrivilege	2052	chrome.exe
Token: SeShutdownPrivilege	2052	chrome.exe
Token: SeShutdownPrivilege	2052	chrome.exe
Token: SeShutdownPrivilege	2052	chrome.exe
Token: SeShutdownPrivilege	2052	chrome.exe
Token: SeShutdownPrivilege	2052	chrome.exe
Token: SeShutdownPrivilege	2052	chrome.exe
Token: SeShutdownPrivilege	2052	chrome.exe
Token: SeShutdownPrivilege	2052	chrome.exe
Token: SeShutdownPrivilege	2052	chrome.exe
Token: SeShutdownPrivilege	2052	chrome.exe
Token: SeShutdownPrivilege	2052	chrome.exe
Token: SeShutdownPrivilege	2052	chrome.exe
Token: SeShutdownPrivilege	2052	chrome.exe
Token: SeShutdownPrivilege	2052	chrome.exe
Token: SeShutdownPrivilege	2052	chrome.exe
Token: SeShutdownPrivilege	2052	chrome.exe
Token: SeShutdownPrivilege	2052	chrome.exe
Token: SeShutdownPrivilege	2052	chrome.exe
Token: SeShutdownPrivilege	2052	chrome.exe
Token: SeShutdownPrivilege	2052	chrome.exe
Token: SeShutdownPrivilege	2052	chrome.exe
Token: SeShutdownPrivilege	2052	chrome.exe
Token: SeShutdownPrivilege	2052	chrome.exe
Token: SeShutdownPrivilege	2052	chrome.exe
Token: SeShutdownPrivilege	2052	chrome.exe
Token: SeShutdownPrivilege	2052	chrome.exe
Token: SeShutdownPrivilege	2052	chrome.exe
Token: SeShutdownPrivilege	2052	chrome.exe
Token: SeShutdownPrivilege	2052	chrome.exe
Token: SeShutdownPrivilege	2052	chrome.exe
Token: SeShutdownPrivilege	2052	chrome.exe
Token: SeShutdownPrivilege	2052	chrome.exe
Token: SeShutdownPrivilege	2052	chrome.exe
Token: SeShutdownPrivilege	2052	chrome.exe
Token: SeShutdownPrivilege	2052	chrome.exe
Token: SeShutdownPrivilege	2052	chrome.exe
Token: SeShutdownPrivilege	2052	chrome.exe
Token: SeShutdownPrivilege	2052	chrome.exe
Token: SeShutdownPrivilege	2052	chrome.exe
Token: SeShutdownPrivilege	2052	chrome.exe
Token: SeShutdownPrivilege	2052	chrome.exe
Token: SeShutdownPrivilege	2052	chrome.exe
Token: SeShutdownPrivilege	2052	chrome.exe
Token: SeShutdownPrivilege	2052	chrome.exe
Token: SeShutdownPrivilege	2052	chrome.exe
Token: SeShutdownPrivilege	2052	chrome.exe
Token: SeShutdownPrivilege	2052	chrome.exe
Token: SeShutdownPrivilege	2052	chrome.exe

Suspicious use of FindShellTrayWindow 34 IoCs

pid	Process
2052	chrome.exe
2052	chrome.exe
2052	chrome.exe
2052	chrome.exe
2052	chrome.exe
2052	chrome.exe
2052	chrome.exe
2052	chrome.exe
2052	chrome.exe
2052	chrome.exe
2052	chrome.exe
2052	chrome.exe
2052	chrome.exe
2052	chrome.exe
2052	chrome.exe
2052	chrome.exe
2052	chrome.exe
2052	chrome.exe
2052	chrome.exe
2052	chrome.exe
2052	chrome.exe
2052	chrome.exe
2052	chrome.exe
2052	chrome.exe
2052	chrome.exe
2052	chrome.exe
2052	chrome.exe
2052	chrome.exe
2052	chrome.exe
2052	chrome.exe
2052	chrome.exe
2052	chrome.exe
2052	chrome.exe
2052	chrome.exe

Suspicious use of SendNotifyMessage 32 IoCs

pid	Process
2052	chrome.exe
2052	chrome.exe
2052	chrome.exe
2052	chrome.exe
2052	chrome.exe
2052	chrome.exe
2052	chrome.exe
2052	chrome.exe
2052	chrome.exe
2052	chrome.exe
2052	chrome.exe
2052	chrome.exe
2052	chrome.exe
2052	chrome.exe
2052	chrome.exe
2052	chrome.exe
2052	chrome.exe
2052	chrome.exe
2052	chrome.exe
2052	chrome.exe
2052	chrome.exe
2052	chrome.exe
2052	chrome.exe
2052	chrome.exe
2052	chrome.exe
2052	chrome.exe
2052	chrome.exe
2052	chrome.exe
2052	chrome.exe
2052	chrome.exe
2052	chrome.exe
2052	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2052 wrote to memory of 2060	2052	chrome.exe	30
PID 2052 wrote to memory of 2060	2052	chrome.exe	30
PID 2052 wrote to memory of 2060	2052	chrome.exe	30
PID 2052 wrote to memory of 2852	2052	chrome.exe	32
PID 2052 wrote to memory of 2852	2052	chrome.exe	32
PID 2052 wrote to memory of 2852	2052	chrome.exe	32
PID 2052 wrote to memory of 2852	2052	chrome.exe	32
PID 2052 wrote to memory of 2852	2052	chrome.exe	32
PID 2052 wrote to memory of 2852	2052	chrome.exe	32
PID 2052 wrote to memory of 2852	2052	chrome.exe	32
PID 2052 wrote to memory of 2852	2052	chrome.exe	32
PID 2052 wrote to memory of 2852	2052	chrome.exe	32
PID 2052 wrote to memory of 2852	2052	chrome.exe	32
PID 2052 wrote to memory of 2852	2052	chrome.exe	32
PID 2052 wrote to memory of 2852	2052	chrome.exe	32
PID 2052 wrote to memory of 2852	2052	chrome.exe	32
PID 2052 wrote to memory of 2852	2052	chrome.exe	32
PID 2052 wrote to memory of 2852	2052	chrome.exe	32
PID 2052 wrote to memory of 2852	2052	chrome.exe	32
PID 2052 wrote to memory of 2852	2052	chrome.exe	32
PID 2052 wrote to memory of 2852	2052	chrome.exe	32
PID 2052 wrote to memory of 2852	2052	chrome.exe	32
PID 2052 wrote to memory of 2852	2052	chrome.exe	32
PID 2052 wrote to memory of 2852	2052	chrome.exe	32
PID 2052 wrote to memory of 2852	2052	chrome.exe	32
PID 2052 wrote to memory of 2852	2052	chrome.exe	32
PID 2052 wrote to memory of 2852	2052	chrome.exe	32
PID 2052 wrote to memory of 2852	2052	chrome.exe	32
PID 2052 wrote to memory of 2852	2052	chrome.exe	32
PID 2052 wrote to memory of 2852	2052	chrome.exe	32
PID 2052 wrote to memory of 2852	2052	chrome.exe	32
PID 2052 wrote to memory of 2852	2052	chrome.exe	32
PID 2052 wrote to memory of 2852	2052	chrome.exe	32
PID 2052 wrote to memory of 2852	2052	chrome.exe	32
PID 2052 wrote to memory of 2852	2052	chrome.exe	32
PID 2052 wrote to memory of 2852	2052	chrome.exe	32
PID 2052 wrote to memory of 2852	2052	chrome.exe	32
PID 2052 wrote to memory of 2852	2052	chrome.exe	32
PID 2052 wrote to memory of 2852	2052	chrome.exe	32
PID 2052 wrote to memory of 2852	2052	chrome.exe	32
PID 2052 wrote to memory of 2852	2052	chrome.exe	32
PID 2052 wrote to memory of 2852	2052	chrome.exe	32
PID 2052 wrote to memory of 2600	2052	chrome.exe	33
PID 2052 wrote to memory of 2600	2052	chrome.exe	33
PID 2052 wrote to memory of 2600	2052	chrome.exe	33
PID 2052 wrote to memory of 2772	2052	chrome.exe	34
PID 2052 wrote to memory of 2772	2052	chrome.exe	34
PID 2052 wrote to memory of 2772	2052	chrome.exe	34
PID 2052 wrote to memory of 2772	2052	chrome.exe	34
PID 2052 wrote to memory of 2772	2052	chrome.exe	34
PID 2052 wrote to memory of 2772	2052	chrome.exe	34
PID 2052 wrote to memory of 2772	2052	chrome.exe	34
PID 2052 wrote to memory of 2772	2052	chrome.exe	34
PID 2052 wrote to memory of 2772	2052	chrome.exe	34
PID 2052 wrote to memory of 2772	2052	chrome.exe	34
PID 2052 wrote to memory of 2772	2052	chrome.exe	34
PID 2052 wrote to memory of 2772	2052	chrome.exe	34
PID 2052 wrote to memory of 2772	2052	chrome.exe	34
PID 2052 wrote to memory of 2772	2052	chrome.exe	34
PID 2052 wrote to memory of 2772	2052	chrome.exe	34
PID 2052 wrote to memory of 2772	2052	chrome.exe	34
PID 2052 wrote to memory of 2772	2052	chrome.exe	34
PID 2052 wrote to memory of 2772	2052	chrome.exe	34
PID 2052 wrote to memory of 2772	2052	chrome.exe	34

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\SteamFix64.dll,#1
1⤵
PID:2256

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:2052
- 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,0x7fef77f9758,0x7fef77f9768,0x7fef77f9778
  2⤵
  PID:2060
- 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=1136 --field-trial-handle=1296,i,8681795423587541311,4336018635721110043,131072 /prefetch:2
  2⤵
  PID:2852
- 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=1516 --field-trial-handle=1296,i,8681795423587541311,4336018635721110043,131072 /prefetch:8
  2⤵
  PID:2600
- 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=1296,i,8681795423587541311,4336018635721110043,131072 /prefetch:8
  2⤵
  PID:2772
- 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=2276 --field-trial-handle=1296,i,8681795423587541311,4336018635721110043,131072 /prefetch:1
  2⤵
  PID:2348
- 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=2288 --field-trial-handle=1296,i,8681795423587541311,4336018635721110043,131072 /prefetch:1
  2⤵
  PID:2148
- 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=1136 --field-trial-handle=1296,i,8681795423587541311,4336018635721110043,131072 /prefetch:2
  2⤵
  PID:1880
- 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=1384 --field-trial-handle=1296,i,8681795423587541311,4336018635721110043,131072 /prefetch:1
  2⤵
  PID:2412
- 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=9 --mojo-platform-channel-handle=3416 --field-trial-handle=1296,i,8681795423587541311,4336018635721110043,131072 /prefetch:1
  2⤵
  PID:2756
- 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=3908 --field-trial-handle=1296,i,8681795423587541311,4336018635721110043,131072 /prefetch:8
  2⤵
  PID:1128

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:108

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\Extension State\000007.dbtmp

Filesize
16B

MD5
18e723571b00fb1694a3bad6c78e4054

SHA1
afcc0ef32d46fe59e0483f9a3c891d3034d12f32

SHA256
8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa

SHA512
43bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2

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\Network\Network Persistent State~RFf7b1fb1.TMP

Filesize
987B

MD5
881550eb8a43297bbf27467faf0b052d

SHA1
8b9591b19697222addfc33175cab0015de3f9298

SHA256
90a984b01fefff7a64952edbaba1240cb2497b6b3d0fef9d6284e5221c257cf5

SHA512
b3941f96e2ea7a9a43a2a3e1c09bd9bdd8a816de97ffaf9a93795e728fe5c1bd2821283a1846f35ecdd427be9508ce27e9ea7ae71759e381d7ca171f23796932

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

Filesize
5KB

MD5
31348877db315917f6f342aa649a67cd

SHA1
b368842aab7e578b13e207815f46efa4569c5357

SHA256
1acd83049da4e960490968b67fbadcea0134f2532e103b6abd9f208df4538f31

SHA512
542baf90dac39f68d49be6782946379920c305f9b70e740d454249ddf9bbac22fc45e570b39828151721ecf47a000dc8b567c83fc31f8a27b5df080a8cbef4f9

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

Filesize
5KB

MD5
106d2755175cc34c2f93ddba461a58f8

SHA1
8a3c578491df071b8ceb14afe780dd30f9dca6ea

SHA256
758286f3a98330871f23f2a2ddf51f4f183d5c23d1ad6547b67d3f2adf81d85e

SHA512
d099b8b310363ebcf296c680f0bc6fd6b77bc83c961be42c93b70e2cb31e411a0134be44e1e2f2229a64a9865ca43dcfc8a6eb29c89d2a5d71fc5496034e07d7

Download Submit
memory/2256-0-0x000007FEF7610000-0x000007FEF7812000-memory.dmp

Filesize
2.0MB

Download
memory/2256-1-0x000007FEF6680000-0x000007FEF6882000-memory.dmp

Filesize
2.0MB

Download
memory/2256-2-0x000007FEF6680000-0x000007FEF6882000-memory.dmp

Filesize
2.0MB

Download
memory/2256-5-0x000007FEF6680000-0x000007FEF6882000-memory.dmp

Filesize
2.0MB

Download