192fc1ee17532a8b774faee41e4a984563800bbfcb9300ff4c6ca1bab53ce992

Resubmissions

11/08/2024, 12:46

240811-pzmdgathqa 7

11/08/2024, 12:21

240811-pjrcgsygrj 7

Analysis

max time kernel
54s
max time network
110s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
11/08/2024, 12:21

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General

Target

ChessAssist-v28.3/assets/ain.css
Size

1KB
MD5

151bae164f262bfff98c5b05e9544fbf
SHA1

abb9f39899dbd7d0708a0c13693cf02f5be98ee3
SHA256

a06ab0782034c6ea35cf548642d72ad63c58f1b1a427740eb3cae8a926a381c5
SHA512

22131beafc11d20117fefbb0d17193311d27498a5ef6ce4f7886cdca49280fa3a8ec1536da1f44d34607b384d6119ab54a4a1692adc388834444d8020365fef0

Score

3^/10

discovery

Malware Config

Signatures

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	chrome.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	chrome.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	chrome.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2936	chrome.exe
2936	chrome.exe

Suspicious use of AdjustPrivilegeToken 26 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2936	chrome.exe
Token: SeShutdownPrivilege	2936	chrome.exe
Token: SeShutdownPrivilege	2936	chrome.exe
Token: SeShutdownPrivilege	2936	chrome.exe
Token: SeShutdownPrivilege	2936	chrome.exe
Token: SeShutdownPrivilege	2936	chrome.exe
Token: SeShutdownPrivilege	2936	chrome.exe
Token: SeShutdownPrivilege	2936	chrome.exe
Token: SeShutdownPrivilege	2936	chrome.exe
Token: SeShutdownPrivilege	2936	chrome.exe
Token: SeShutdownPrivilege	2936	chrome.exe
Token: SeShutdownPrivilege	2936	chrome.exe
Token: SeShutdownPrivilege	2936	chrome.exe
Token: SeShutdownPrivilege	2936	chrome.exe
Token: SeShutdownPrivilege	2936	chrome.exe
Token: SeShutdownPrivilege	2936	chrome.exe
Token: SeShutdownPrivilege	2936	chrome.exe
Token: SeShutdownPrivilege	2936	chrome.exe
Token: SeShutdownPrivilege	2936	chrome.exe
Token: SeShutdownPrivilege	2936	chrome.exe
Token: 33	2320	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	2320	AUDIODG.EXE
Token: 33	2320	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	2320	AUDIODG.EXE
Token: SeShutdownPrivilege	2936	chrome.exe
Token: SeShutdownPrivilege	2936	chrome.exe

Suspicious use of FindShellTrayWindow 35 IoCs

pid	Process
2704	NOTEPAD.EXE
2936	chrome.exe
2936	chrome.exe
2936	chrome.exe
2936	chrome.exe
2936	chrome.exe
2936	chrome.exe
2936	chrome.exe
2936	chrome.exe
2936	chrome.exe
2936	chrome.exe
2936	chrome.exe
2936	chrome.exe
2936	chrome.exe
2936	chrome.exe
2936	chrome.exe
2936	chrome.exe
2936	chrome.exe
2936	chrome.exe
2936	chrome.exe
2936	chrome.exe
2936	chrome.exe
2936	chrome.exe
2936	chrome.exe
2936	chrome.exe
2936	chrome.exe
2936	chrome.exe
2936	chrome.exe
2936	chrome.exe
2936	chrome.exe
2936	chrome.exe
2936	chrome.exe
2936	chrome.exe
2936	chrome.exe
2936	chrome.exe

Suspicious use of SendNotifyMessage 32 IoCs

pid	Process
2936	chrome.exe
2936	chrome.exe
2936	chrome.exe
2936	chrome.exe
2936	chrome.exe
2936	chrome.exe
2936	chrome.exe
2936	chrome.exe
2936	chrome.exe
2936	chrome.exe
2936	chrome.exe
2936	chrome.exe
2936	chrome.exe
2936	chrome.exe
2936	chrome.exe
2936	chrome.exe
2936	chrome.exe
2936	chrome.exe
2936	chrome.exe
2936	chrome.exe
2936	chrome.exe
2936	chrome.exe
2936	chrome.exe
2936	chrome.exe
2936	chrome.exe
2936	chrome.exe
2936	chrome.exe
2936	chrome.exe
2936	chrome.exe
2936	chrome.exe
2936	chrome.exe
2936	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2344 wrote to memory of 2704	2344	cmd.exe	31
PID 2344 wrote to memory of 2704	2344	cmd.exe	31
PID 2344 wrote to memory of 2704	2344	cmd.exe	31
PID 2936 wrote to memory of 2624	2936	chrome.exe	33
PID 2936 wrote to memory of 2624	2936	chrome.exe	33
PID 2936 wrote to memory of 2624	2936	chrome.exe	33
PID 2936 wrote to memory of 1728	2936	chrome.exe	35
PID 2936 wrote to memory of 1728	2936	chrome.exe	35
PID 2936 wrote to memory of 1728	2936	chrome.exe	35
PID 2936 wrote to memory of 1728	2936	chrome.exe	35
PID 2936 wrote to memory of 1728	2936	chrome.exe	35
PID 2936 wrote to memory of 1728	2936	chrome.exe	35
PID 2936 wrote to memory of 1728	2936	chrome.exe	35
PID 2936 wrote to memory of 1728	2936	chrome.exe	35
PID 2936 wrote to memory of 1728	2936	chrome.exe	35
PID 2936 wrote to memory of 1728	2936	chrome.exe	35
PID 2936 wrote to memory of 1728	2936	chrome.exe	35
PID 2936 wrote to memory of 1728	2936	chrome.exe	35
PID 2936 wrote to memory of 1728	2936	chrome.exe	35
PID 2936 wrote to memory of 1728	2936	chrome.exe	35
PID 2936 wrote to memory of 1728	2936	chrome.exe	35
PID 2936 wrote to memory of 1728	2936	chrome.exe	35
PID 2936 wrote to memory of 1728	2936	chrome.exe	35
PID 2936 wrote to memory of 1728	2936	chrome.exe	35
PID 2936 wrote to memory of 1728	2936	chrome.exe	35
PID 2936 wrote to memory of 1728	2936	chrome.exe	35
PID 2936 wrote to memory of 1728	2936	chrome.exe	35
PID 2936 wrote to memory of 1728	2936	chrome.exe	35
PID 2936 wrote to memory of 1728	2936	chrome.exe	35
PID 2936 wrote to memory of 1728	2936	chrome.exe	35
PID 2936 wrote to memory of 1728	2936	chrome.exe	35
PID 2936 wrote to memory of 1728	2936	chrome.exe	35
PID 2936 wrote to memory of 1728	2936	chrome.exe	35
PID 2936 wrote to memory of 1728	2936	chrome.exe	35
PID 2936 wrote to memory of 1728	2936	chrome.exe	35
PID 2936 wrote to memory of 1728	2936	chrome.exe	35
PID 2936 wrote to memory of 1728	2936	chrome.exe	35
PID 2936 wrote to memory of 1728	2936	chrome.exe	35
PID 2936 wrote to memory of 1728	2936	chrome.exe	35
PID 2936 wrote to memory of 1728	2936	chrome.exe	35
PID 2936 wrote to memory of 1728	2936	chrome.exe	35
PID 2936 wrote to memory of 1728	2936	chrome.exe	35
PID 2936 wrote to memory of 1728	2936	chrome.exe	35
PID 2936 wrote to memory of 1728	2936	chrome.exe	35
PID 2936 wrote to memory of 1728	2936	chrome.exe	35
PID 2936 wrote to memory of 732	2936	chrome.exe	36
PID 2936 wrote to memory of 732	2936	chrome.exe	36
PID 2936 wrote to memory of 732	2936	chrome.exe	36
PID 2936 wrote to memory of 2424	2936	chrome.exe	37
PID 2936 wrote to memory of 2424	2936	chrome.exe	37
PID 2936 wrote to memory of 2424	2936	chrome.exe	37
PID 2936 wrote to memory of 2424	2936	chrome.exe	37
PID 2936 wrote to memory of 2424	2936	chrome.exe	37
PID 2936 wrote to memory of 2424	2936	chrome.exe	37
PID 2936 wrote to memory of 2424	2936	chrome.exe	37
PID 2936 wrote to memory of 2424	2936	chrome.exe	37
PID 2936 wrote to memory of 2424	2936	chrome.exe	37
PID 2936 wrote to memory of 2424	2936	chrome.exe	37
PID 2936 wrote to memory of 2424	2936	chrome.exe	37
PID 2936 wrote to memory of 2424	2936	chrome.exe	37
PID 2936 wrote to memory of 2424	2936	chrome.exe	37
PID 2936 wrote to memory of 2424	2936	chrome.exe	37
PID 2936 wrote to memory of 2424	2936	chrome.exe	37
PID 2936 wrote to memory of 2424	2936	chrome.exe	37

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\ChessAssist-v28.3\assets\ain.css
1⤵
- Suspicious use of WriteProcessMemory
PID:2344
- C:\Windows\system32\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\ChessAssist-v28.3\assets\ain.css
  2⤵
  - Suspicious use of FindShellTrayWindow
  PID:2704

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:2936
- 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,0x7fef7a69758,0x7fef7a69768,0x7fef7a69778
  2⤵
  PID:2624
- 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=1140 --field-trial-handle=1376,i,7754744897185111522,14129679215847521189,131072 /prefetch:2
  2⤵
  PID:1728
- 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=1520 --field-trial-handle=1376,i,7754744897185111522,14129679215847521189,131072 /prefetch:8
  2⤵
  PID:732
- 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=1568 --field-trial-handle=1376,i,7754744897185111522,14129679215847521189,131072 /prefetch:8
  2⤵
  PID:2424
- 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=2320 --field-trial-handle=1376,i,7754744897185111522,14129679215847521189,131072 /prefetch:1
  2⤵
  PID:1092
- 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=2328 --field-trial-handle=1376,i,7754744897185111522,14129679215847521189,131072 /prefetch:1
  2⤵
  PID:1048
- 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=2768 --field-trial-handle=1376,i,7754744897185111522,14129679215847521189,131072 /prefetch:2
  2⤵
  PID:672
- 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=3208 --field-trial-handle=1376,i,7754744897185111522,14129679215847521189,131072 /prefetch:1
  2⤵
  PID:996
- 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=3840 --field-trial-handle=1376,i,7754744897185111522,14129679215847521189,131072 /prefetch:8
  2⤵
  PID:3016
- 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=10 --mojo-platform-channel-handle=2524 --field-trial-handle=1376,i,7754744897185111522,14129679215847521189,131072 /prefetch:1
  2⤵
  PID:944
- 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=2328 --field-trial-handle=1376,i,7754744897185111522,14129679215847521189,131072 /prefetch:8
  2⤵
  PID:2536
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=1412 --field-trial-handle=1376,i,7754744897185111522,14129679215847521189,131072 /prefetch:8
  2⤵
  PID:1276
- 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=13 --mojo-platform-channel-handle=2440 --field-trial-handle=1376,i,7754744897185111522,14129679215847521189,131072 /prefetch:1
  2⤵
  PID:1612

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:1612

C:\Windows\explorer.exe
"C:\Windows\explorer.exe"
1⤵
PID:1088

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x5bc
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2320

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\4ae29e39-0b26-4c4d-9c94-41cc44a325bf.tmp

Filesize
310KB

MD5
4a55e8269b2ed449744587bc787a55fd

SHA1
67cdf0ea350d5290be9a945fb6c131bc14bf93ba

SHA256
11ffcccc2612d7ad33f7655c56676d6a31fb5bd84f91f0dd328e85e8bf2e61cf

SHA512
ca84a8e8e2632392e2041b5ba53fdf220a7a1479ae596f3bd6749b91e28cef025d8c06aaad6935671f76c6ec2b985158991cb08d9ec57ca4bd189d7b50f9ea66

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\Preferences

Filesize
4KB

MD5
835813c260d7bf84a03974af87ec4cdf

SHA1
73f5a8989421c9a5f5b4117f62a8c6e35e602edd

SHA256
65ca7f9d0021e9919c1673e8cab8833e46c548badb3dd3535a6768dc394e773b

SHA512
07c723f6582565c44666ae1a5f19dacf7c353500f1b945c86d94e4c059a2b2d1748884d0020305efd0837aea8d24e775af55e381f344c8e08830940e14641450

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

Filesize
5KB

MD5
97e4a649c86e557b4a709c82b0a5d628

SHA1
41bbb9c7d8265edefcbe7a4f5e6c33643505a2d7

SHA256
64dd5d3e22cc0796347a51567d03301020122c67c0cc7b21e844b9fb2431641d

SHA512
ad14934252a9ba21f788aec8e34e6e65e1a2e13c93257d3bc906088ecff3a81671b6eacab5f65c713dccad28985b4bc947156205367fc840dab5e72b0d9aab0a

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

Filesize
4KB

MD5
6c0d794c0cf885cb8ce1abb207f8ef6f

SHA1
73aa50966331f85f41c270d23888c8dfbc3ebcc1

SHA256
28580c41d055cd863635a43060606b8fa06b4e6481cc978217fa02b4798c81ce

SHA512
191887c19d823f42c10562ec887da6a9347dbe06bdb7da8c6e8c4dec4e1d688d3f0312606af32367a60720191336baee99b28f92985ceeeef5d7073f0212e68a

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Site Characteristics Database\000007.dbtmp

Filesize
16B

MD5
18e723571b00fb1694a3bad6c78e4054

SHA1
afcc0ef32d46fe59e0483f9a3c891d3034d12f32

SHA256
8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa

SHA512
43bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2

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

Filesize
310KB

MD5
11ef34a3d1338d49faf108846a905142

SHA1
6063e4b716bb0d33a40eb155448b35a9f584938a

SHA256
29a667538e897a916973c59b27cb763127e88557afd87c14d53489c0078179d3

SHA512
d8b205eaf67bfe9cf3a47d0d7464f5662381a1f7990760cfb9a71ae76ded0db178b9d9eb0aa614ba9ce2ab1f5e139a8a92ec485b8a162b783ccb31a5f76d1f50

Download Submit
C:\Users\Admin\Downloads\ChessAssist-v28.3.zip

Filesize
1.6MB

MD5
e3f8686473d30eed28af7fa9abb4de38

SHA1
0f9d08d6022d639606cf18f5d6a5701dfc64879c

SHA256
192fc1ee17532a8b774faee41e4a984563800bbfcb9300ff4c6ca1bab53ce992

SHA512
8b8c8352e4d3d7c23254602dff66ecde1e91ffa8ede4a73cc78f89a0c13b19c585dec7fc7b453cf4f645d5d72d24fca648e9d94a81b33915a59c269ef9e915a7

Download Submit