1122cf610bbd39b4bbae11f2e93bcbefb371aa301aac45da7ef7e5f6963ac8f4

General

Target

optsatadc.dll
Size

396KB
MD5

df5958459f89d775687190650de4f08b
SHA1

4d3a703db690e975540d6d29cdab2f75fbbcb61c
SHA256

1122cf610bbd39b4bbae11f2e93bcbefb371aa301aac45da7ef7e5f6963ac8f4
SHA512

7c7bacee56cefbf3d44a5fe2c570c2eb12a800402133032419d2886f119fb0a098526f76b73174e9c1537569852a7f7c2a095589e5dc2f8ac1ddb7b832346ea9
SSDEEP

12288:PFFIBSCdHo3p5CJHj9wc3gXERHTYKNviwl:7IBSCdHo3p5C9BwtyHTYMX

Score

1^/10

Malware Config

Signatures

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

2772 chrome.exe
2772 chrome.exe

Suspicious use of AdjustPrivilegeToken 34 IoCs

Processes:

chrome.exe

description	pid	process
Token: SeShutdownPrivilege	2772	chrome.exe
Token: SeShutdownPrivilege	2772	chrome.exe
Token: SeShutdownPrivilege	2772	chrome.exe
Token: SeShutdownPrivilege	2772	chrome.exe
Token: SeShutdownPrivilege	2772	chrome.exe
Token: SeShutdownPrivilege	2772	chrome.exe
Token: SeShutdownPrivilege	2772	chrome.exe
Token: SeShutdownPrivilege	2772	chrome.exe
Token: SeShutdownPrivilege	2772	chrome.exe
Token: SeShutdownPrivilege	2772	chrome.exe
Token: SeShutdownPrivilege	2772	chrome.exe
Token: SeShutdownPrivilege	2772	chrome.exe
Token: SeShutdownPrivilege	2772	chrome.exe
Token: SeShutdownPrivilege	2772	chrome.exe
Token: SeShutdownPrivilege	2772	chrome.exe
Token: SeShutdownPrivilege	2772	chrome.exe
Token: SeShutdownPrivilege	2772	chrome.exe
Token: SeShutdownPrivilege	2772	chrome.exe
Token: SeShutdownPrivilege	2772	chrome.exe
Token: SeShutdownPrivilege	2772	chrome.exe
Token: SeShutdownPrivilege	2772	chrome.exe
Token: SeShutdownPrivilege	2772	chrome.exe
Token: SeShutdownPrivilege	2772	chrome.exe
Token: SeShutdownPrivilege	2772	chrome.exe
Token: SeShutdownPrivilege	2772	chrome.exe
Token: SeShutdownPrivilege	2772	chrome.exe
Token: SeShutdownPrivilege	2772	chrome.exe
Token: SeShutdownPrivilege	2772	chrome.exe
Token: SeShutdownPrivilege	2772	chrome.exe
Token: SeShutdownPrivilege	2772	chrome.exe
Token: SeShutdownPrivilege	2772	chrome.exe
Token: SeShutdownPrivilege	2772	chrome.exe
Token: SeShutdownPrivilege	2772	chrome.exe
Token: SeShutdownPrivilege	2772	chrome.exe

Suspicious use of FindShellTrayWindow 34 IoCs

Processes:

chrome.exe

pid	process
2772	chrome.exe
2772	chrome.exe
2772	chrome.exe
2772	chrome.exe
2772	chrome.exe
2772	chrome.exe
2772	chrome.exe
2772	chrome.exe
2772	chrome.exe
2772	chrome.exe
2772	chrome.exe
2772	chrome.exe
2772	chrome.exe
2772	chrome.exe
2772	chrome.exe
2772	chrome.exe
2772	chrome.exe
2772	chrome.exe
2772	chrome.exe
2772	chrome.exe
2772	chrome.exe
2772	chrome.exe
2772	chrome.exe
2772	chrome.exe
2772	chrome.exe
2772	chrome.exe
2772	chrome.exe
2772	chrome.exe
2772	chrome.exe
2772	chrome.exe
2772	chrome.exe
2772	chrome.exe
2772	chrome.exe
2772	chrome.exe

Suspicious use of SendNotifyMessage 32 IoCs

Processes:

chrome.exe

pid	process
2772	chrome.exe
2772	chrome.exe
2772	chrome.exe
2772	chrome.exe
2772	chrome.exe
2772	chrome.exe
2772	chrome.exe
2772	chrome.exe
2772	chrome.exe
2772	chrome.exe
2772	chrome.exe
2772	chrome.exe
2772	chrome.exe
2772	chrome.exe
2772	chrome.exe
2772	chrome.exe
2772	chrome.exe
2772	chrome.exe
2772	chrome.exe
2772	chrome.exe
2772	chrome.exe
2772	chrome.exe
2772	chrome.exe
2772	chrome.exe
2772	chrome.exe
2772	chrome.exe
2772	chrome.exe
2772	chrome.exe
2772	chrome.exe
2772	chrome.exe
2772	chrome.exe
2772	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

rundll32.exechrome.exe

description	pid	process	target process
PID 1692 wrote to memory of 2488	1692	rundll32.exe	rundll32.exe
PID 1692 wrote to memory of 2488	1692	rundll32.exe	rundll32.exe
PID 1692 wrote to memory of 2488	1692	rundll32.exe	rundll32.exe
PID 1692 wrote to memory of 2488	1692	rundll32.exe	rundll32.exe
PID 1692 wrote to memory of 2488	1692	rundll32.exe	rundll32.exe
PID 1692 wrote to memory of 2488	1692	rundll32.exe	rundll32.exe
PID 1692 wrote to memory of 2488	1692	rundll32.exe	rundll32.exe
PID 2772 wrote to memory of 2808	2772	chrome.exe	chrome.exe
PID 2772 wrote to memory of 2808	2772	chrome.exe	chrome.exe
PID 2772 wrote to memory of 2808	2772	chrome.exe	chrome.exe
PID 2772 wrote to memory of 2324	2772	chrome.exe	chrome.exe
PID 2772 wrote to memory of 2324	2772	chrome.exe	chrome.exe
PID 2772 wrote to memory of 2324	2772	chrome.exe	chrome.exe
PID 2772 wrote to memory of 2324	2772	chrome.exe	chrome.exe
PID 2772 wrote to memory of 2324	2772	chrome.exe	chrome.exe
PID 2772 wrote to memory of 2324	2772	chrome.exe	chrome.exe
PID 2772 wrote to memory of 2324	2772	chrome.exe	chrome.exe
PID 2772 wrote to memory of 2324	2772	chrome.exe	chrome.exe
PID 2772 wrote to memory of 2324	2772	chrome.exe	chrome.exe
PID 2772 wrote to memory of 2324	2772	chrome.exe	chrome.exe
PID 2772 wrote to memory of 2324	2772	chrome.exe	chrome.exe
PID 2772 wrote to memory of 2324	2772	chrome.exe	chrome.exe
PID 2772 wrote to memory of 2324	2772	chrome.exe	chrome.exe
PID 2772 wrote to memory of 2324	2772	chrome.exe	chrome.exe
PID 2772 wrote to memory of 2324	2772	chrome.exe	chrome.exe
PID 2772 wrote to memory of 2324	2772	chrome.exe	chrome.exe
PID 2772 wrote to memory of 2324	2772	chrome.exe	chrome.exe
PID 2772 wrote to memory of 2324	2772	chrome.exe	chrome.exe
PID 2772 wrote to memory of 2324	2772	chrome.exe	chrome.exe
PID 2772 wrote to memory of 2324	2772	chrome.exe	chrome.exe
PID 2772 wrote to memory of 2324	2772	chrome.exe	chrome.exe
PID 2772 wrote to memory of 2324	2772	chrome.exe	chrome.exe
PID 2772 wrote to memory of 2324	2772	chrome.exe	chrome.exe
PID 2772 wrote to memory of 2324	2772	chrome.exe	chrome.exe
PID 2772 wrote to memory of 2324	2772	chrome.exe	chrome.exe
PID 2772 wrote to memory of 2324	2772	chrome.exe	chrome.exe
PID 2772 wrote to memory of 2324	2772	chrome.exe	chrome.exe
PID 2772 wrote to memory of 2324	2772	chrome.exe	chrome.exe
PID 2772 wrote to memory of 2324	2772	chrome.exe	chrome.exe
PID 2772 wrote to memory of 2324	2772	chrome.exe	chrome.exe
PID 2772 wrote to memory of 2324	2772	chrome.exe	chrome.exe
PID 2772 wrote to memory of 2324	2772	chrome.exe	chrome.exe
PID 2772 wrote to memory of 2324	2772	chrome.exe	chrome.exe
PID 2772 wrote to memory of 2324	2772	chrome.exe	chrome.exe
PID 2772 wrote to memory of 2324	2772	chrome.exe	chrome.exe
PID 2772 wrote to memory of 2324	2772	chrome.exe	chrome.exe
PID 2772 wrote to memory of 2324	2772	chrome.exe	chrome.exe
PID 2772 wrote to memory of 2324	2772	chrome.exe	chrome.exe
PID 2772 wrote to memory of 2324	2772	chrome.exe	chrome.exe
PID 2772 wrote to memory of 2700	2772	chrome.exe	chrome.exe
PID 2772 wrote to memory of 2700	2772	chrome.exe	chrome.exe
PID 2772 wrote to memory of 2700	2772	chrome.exe	chrome.exe
PID 2772 wrote to memory of 524	2772	chrome.exe	chrome.exe
PID 2772 wrote to memory of 524	2772	chrome.exe	chrome.exe
PID 2772 wrote to memory of 524	2772	chrome.exe	chrome.exe
PID 2772 wrote to memory of 524	2772	chrome.exe	chrome.exe
PID 2772 wrote to memory of 524	2772	chrome.exe	chrome.exe
PID 2772 wrote to memory of 524	2772	chrome.exe	chrome.exe
PID 2772 wrote to memory of 524	2772	chrome.exe	chrome.exe
PID 2772 wrote to memory of 524	2772	chrome.exe	chrome.exe
PID 2772 wrote to memory of 524	2772	chrome.exe	chrome.exe
PID 2772 wrote to memory of 524	2772	chrome.exe	chrome.exe
PID 2772 wrote to memory of 524	2772	chrome.exe	chrome.exe
PID 2772 wrote to memory of 524	2772	chrome.exe	chrome.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\optsatadc.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1692

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\optsatadc.dll,#1
2⤵
PID:2488

C:\Windows\explorer.exe
"C:\Windows\explorer.exe"
1⤵
PID:2416

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:2772

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,0x7fef69e9758,0x7fef69e9768,0x7fef69e9778
2⤵
PID:2808

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=1168 --field-trial-handle=1208,i,100481386483615957,7471116497476702464,131072 /prefetch:2
2⤵
PID:2324

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=1208,i,100481386483615957,7471116497476702464,131072 /prefetch:8
2⤵
PID:2700

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=1604 --field-trial-handle=1208,i,100481386483615957,7471116497476702464,131072 /prefetch:8
2⤵
PID:524

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=2292 --field-trial-handle=1208,i,100481386483615957,7471116497476702464,131072 /prefetch:1
2⤵
PID:2776

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=2308 --field-trial-handle=1208,i,100481386483615957,7471116497476702464,131072 /prefetch:1
2⤵
PID:1744

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=1408 --field-trial-handle=1208,i,100481386483615957,7471116497476702464,131072 /prefetch:2
2⤵
PID:1772

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=3168 --field-trial-handle=1208,i,100481386483615957,7471116497476702464,131072 /prefetch:1
2⤵
PID:556

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=3828 --field-trial-handle=1208,i,100481386483615957,7471116497476702464,131072 /prefetch:8
2⤵
PID:1712

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=3848 --field-trial-handle=1208,i,100481386483615957,7471116497476702464,131072 /prefetch:1
2⤵
PID:1556

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:2732

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Program Files\Google\Chrome\Application\Dictionaries\en-US-10-1.bdic

Filesize
441KB

MD5
4604e676a0a7d18770853919e24ec465

SHA1
415ef3b2ca0851e00ebaf0d6c9f6213c561ac98f

SHA256
a075b01d9b015c616511a9e87da77da3d9881621db32f584e4606ddabf1c1100

SHA512
3d89c21f20772a8bebdb70b29c42fca2f6bffcda49dff9d5644f3f3910b7c710a5c20154a7af5134c9c7a8624a1251b5e56ced9351d87463f31bed8188eb0774

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\3f9d1d16-68df-4853-a088-2f800462e29a.tmp

Filesize
262KB

MD5
422f395a9480e5b83a5e55c32551b6ff

SHA1
2e8111a5a780d30972d4bbc65cb7d425d1e2474e

SHA256
f310f653ae746eff54a2694b8fb51bf3a858f2f95353f53b7e885a0baace4d5c

SHA512
ee0618ca0f5742dc0f01bc5f61713d9de1b840e3f3e7cb3c680128f4d2ff35f550976961834568b9f98c720b53e77b09eafd852cd853a283cccb03213f25dae9

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
d35c34599f4d7b0be10bf81076e10f7b

SHA1
de4a1a2f1801998d05707d5f0640f0fc0fc6f7bd

SHA256
c9fdba8bb45858367efaa06daa6f7db05e52733a5278a9c58e5c10d01d0ce1bf

SHA512
ed5620f0e47c67b4f71f63f0d1dfee8a3199bd0e8c610f6ea7db5842cc1d7b5b08a115499daa444476281a156b4461e0674b0385e12b59f388cf9964c0a58bde

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\Local State

Filesize
262KB

MD5
90c5fd6efbfbe8bd67b370bab7a7d33f

SHA1
6c450016c572959008a1a33d5391c9ebfef0698e

SHA256
e950391d2bd803e8f9ee6a7a19050bfb7b9c145a6a894b6436bcae4d839a9460

SHA512
18fd80791b3846dd567bbf97055ac1d930f53233f42f63497118fa6b3a13fa66300430d1e2322bcdeceb039fccadc18d6f683044ba3f3da4214d6129dad0b7e0

Download Submit
\??\pipe\crashpad_2772_FQDZTXEUPAEHAHIY

MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
memory/2488-1-0x0000000072160000-0x00000000731D2000-memory.dmp

Filesize
16.4MB

Download
memory/2488-0-0x00000000731E0000-0x0000000074252000-memory.dmp

Filesize
16.4MB

Download
memory/2488-2-0x00000000731E0000-0x0000000074252000-memory.dmp

Filesize
16.4MB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads