582acb10868ca768a7208e898610925eed53372cef01bf4a83e583d5b36323cd

Analysis

max time kernel
146s
max time network
150s
platform
windows11-21h2_x64
resource
win11-20240426-en
resource tags

arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
submitted
09/06/2024, 21:25

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General

Target

K.exe
Size

4.8MB
MD5

0b8e85bab4835b6ba09f3bdec902f72d
SHA1

1ad5d7ef259079a4b60964895e72ec004ca42199
SHA256

582acb10868ca768a7208e898610925eed53372cef01bf4a83e583d5b36323cd
SHA512

7e1dae2ffa6d7eef7738e2063e6b38b609f1c64c357dd547f85e01cf8defa8d2f9169d8369dff866b7bb8e5b06208fdae4efd1b966cf50cb7b6097fdcbea48bd
SSDEEP

98304:cJSZsz35aFxepAo7haa0Dooj9ghi1RebMIg9Cbk/V8dQXSNW:cjg4haaxojDIg9Cbk/V8dQXmW

Score

4^/10

Malware Config

Signatures

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Panther\UnattendGC\setupact.log	UserOOBEBroker.exe
File opened for modification	C:\Windows\Panther\UnattendGC\setuperr.log	UserOOBEBroker.exe
File opened for modification	C:\Windows\Panther\UnattendGC\diagerr.xml	UserOOBEBroker.exe
File opened for modification	C:\Windows\Panther\UnattendGC\diagwrn.xml	UserOOBEBroker.exe

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 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 = "133624420510571987"	chrome.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3062789476-783164490-2318012559-1000_Classes\Local Settings\MuiCache	MiniSearchHost.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3092	chrome.exe
3092	chrome.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs

pid	Process
3092	chrome.exe
3092	chrome.exe
3092	chrome.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3092	chrome.exe
Token: SeCreatePagefilePrivilege	3092	chrome.exe
Token: SeShutdownPrivilege	3092	chrome.exe
Token: SeCreatePagefilePrivilege	3092	chrome.exe
Token: SeShutdownPrivilege	3092	chrome.exe
Token: SeCreatePagefilePrivilege	3092	chrome.exe
Token: SeShutdownPrivilege	3092	chrome.exe
Token: SeCreatePagefilePrivilege	3092	chrome.exe
Token: 33	1196	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	1196	AUDIODG.EXE

Suspicious use of FindShellTrayWindow 27 IoCs

pid	Process
3092	chrome.exe
3092	chrome.exe
3092	chrome.exe
3092	chrome.exe
3092	chrome.exe
3092	chrome.exe
3092	chrome.exe
3092	chrome.exe
3092	chrome.exe
3092	chrome.exe
3092	chrome.exe
3092	chrome.exe
3092	chrome.exe
3092	chrome.exe
3092	chrome.exe
3092	chrome.exe
3092	chrome.exe
3092	chrome.exe
3092	chrome.exe
3092	chrome.exe
3092	chrome.exe
3092	chrome.exe
3092	chrome.exe
3092	chrome.exe
3092	chrome.exe
3092	chrome.exe
3092	chrome.exe

Suspicious use of SendNotifyMessage 12 IoCs

pid	Process
3092	chrome.exe
3092	chrome.exe
3092	chrome.exe
3092	chrome.exe
3092	chrome.exe
3092	chrome.exe
3092	chrome.exe
3092	chrome.exe
3092	chrome.exe
3092	chrome.exe
3092	chrome.exe
3092	chrome.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
936	K.exe
3340	MiniSearchHost.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3092 wrote to memory of 4808	3092	chrome.exe	94
PID 3092 wrote to memory of 4808	3092	chrome.exe	94
PID 3092 wrote to memory of 124	3092	chrome.exe	95
PID 3092 wrote to memory of 124	3092	chrome.exe	95
PID 3092 wrote to memory of 124	3092	chrome.exe	95
PID 3092 wrote to memory of 124	3092	chrome.exe	95
PID 3092 wrote to memory of 124	3092	chrome.exe	95
PID 3092 wrote to memory of 124	3092	chrome.exe	95
PID 3092 wrote to memory of 124	3092	chrome.exe	95
PID 3092 wrote to memory of 124	3092	chrome.exe	95
PID 3092 wrote to memory of 124	3092	chrome.exe	95
PID 3092 wrote to memory of 124	3092	chrome.exe	95
PID 3092 wrote to memory of 124	3092	chrome.exe	95
PID 3092 wrote to memory of 124	3092	chrome.exe	95
PID 3092 wrote to memory of 124	3092	chrome.exe	95
PID 3092 wrote to memory of 124	3092	chrome.exe	95
PID 3092 wrote to memory of 124	3092	chrome.exe	95
PID 3092 wrote to memory of 124	3092	chrome.exe	95
PID 3092 wrote to memory of 124	3092	chrome.exe	95
PID 3092 wrote to memory of 124	3092	chrome.exe	95
PID 3092 wrote to memory of 124	3092	chrome.exe	95
PID 3092 wrote to memory of 124	3092	chrome.exe	95
PID 3092 wrote to memory of 124	3092	chrome.exe	95
PID 3092 wrote to memory of 124	3092	chrome.exe	95
PID 3092 wrote to memory of 124	3092	chrome.exe	95
PID 3092 wrote to memory of 124	3092	chrome.exe	95
PID 3092 wrote to memory of 124	3092	chrome.exe	95
PID 3092 wrote to memory of 124	3092	chrome.exe	95
PID 3092 wrote to memory of 124	3092	chrome.exe	95
PID 3092 wrote to memory of 124	3092	chrome.exe	95
PID 3092 wrote to memory of 124	3092	chrome.exe	95
PID 3092 wrote to memory of 124	3092	chrome.exe	95
PID 3092 wrote to memory of 124	3092	chrome.exe	95
PID 3092 wrote to memory of 436	3092	chrome.exe	96
PID 3092 wrote to memory of 436	3092	chrome.exe	96
PID 3092 wrote to memory of 1648	3092	chrome.exe	97
PID 3092 wrote to memory of 1648	3092	chrome.exe	97
PID 3092 wrote to memory of 1648	3092	chrome.exe	97
PID 3092 wrote to memory of 1648	3092	chrome.exe	97
PID 3092 wrote to memory of 1648	3092	chrome.exe	97
PID 3092 wrote to memory of 1648	3092	chrome.exe	97
PID 3092 wrote to memory of 1648	3092	chrome.exe	97
PID 3092 wrote to memory of 1648	3092	chrome.exe	97
PID 3092 wrote to memory of 1648	3092	chrome.exe	97
PID 3092 wrote to memory of 1648	3092	chrome.exe	97
PID 3092 wrote to memory of 1648	3092	chrome.exe	97
PID 3092 wrote to memory of 1648	3092	chrome.exe	97
PID 3092 wrote to memory of 1648	3092	chrome.exe	97
PID 3092 wrote to memory of 1648	3092	chrome.exe	97
PID 3092 wrote to memory of 1648	3092	chrome.exe	97
PID 3092 wrote to memory of 1648	3092	chrome.exe	97
PID 3092 wrote to memory of 1648	3092	chrome.exe	97
PID 3092 wrote to memory of 1648	3092	chrome.exe	97
PID 3092 wrote to memory of 1648	3092	chrome.exe	97
PID 3092 wrote to memory of 1648	3092	chrome.exe	97
PID 3092 wrote to memory of 1648	3092	chrome.exe	97
PID 3092 wrote to memory of 1648	3092	chrome.exe	97
PID 3092 wrote to memory of 1648	3092	chrome.exe	97
PID 3092 wrote to memory of 1648	3092	chrome.exe	97
PID 3092 wrote to memory of 1648	3092	chrome.exe	97
PID 3092 wrote to memory of 1648	3092	chrome.exe	97
PID 3092 wrote to memory of 1648	3092	chrome.exe	97
PID 3092 wrote to memory of 1648	3092	chrome.exe	97
PID 3092 wrote to memory of 1648	3092	chrome.exe	97

C:\Users\Admin\AppData\Local\Temp\K.exe
"C:\Users\Admin\AppData\Local\Temp\K.exe"
1⤵
- Suspicious use of SetWindowsHookEx
PID:936

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s NPSMSvc
1⤵
PID:3924

C:\Windows\System32\oobe\UserOOBEBroker.exe
C:\Windows\System32\oobe\UserOOBEBroker.exe -Embedding
1⤵
- Drops file in Windows directory
PID:1080

C:\Users\Admin\AppData\Local\Microsoft\OneDrive\18.151.0729.0013\FileCoAuth.exe
C:\Users\Admin\AppData\Local\Microsoft\OneDrive\18.151.0729.0013\FileCoAuth.exe -Embedding
1⤵
PID:2576

C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe
"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe" -ServerName:MiniSearchUI.AppXj3y73at8fy1htwztzxs68sxx1v7cksp7.mca
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:3340

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe"
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:3092
- 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=110.0.5481.104 --initial-client-data=0x100,0x104,0x108,0xdc,0x10c,0x7fff1e5eab58,0x7fff1e5eab68,0x7fff1e5eab78
  2⤵
  PID:4808
- 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=1716 --field-trial-handle=1812,i,703674495123088551,12276143106218926167,131072 /prefetch:2
  2⤵
  PID:124
- 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=2120 --field-trial-handle=1812,i,703674495123088551,12276143106218926167,131072 /prefetch:8
  2⤵
  PID:436
- 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=service --mojo-platform-channel-handle=2212 --field-trial-handle=1812,i,703674495123088551,12276143106218926167,131072 /prefetch:8
  2⤵
  PID:1648
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --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=3096 --field-trial-handle=1812,i,703674495123088551,12276143106218926167,131072 /prefetch:1
  2⤵
  PID:1536
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=3104 --field-trial-handle=1812,i,703674495123088551,12276143106218926167,131072 /prefetch:1
  2⤵
  PID:4380
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --mojo-platform-channel-handle=3528 --field-trial-handle=1812,i,703674495123088551,12276143106218926167,131072 /prefetch:1
  2⤵
  PID:1828
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=4452 --field-trial-handle=1812,i,703674495123088551,12276143106218926167,131072 /prefetch:8
  2⤵
  PID:2744
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=4472 --field-trial-handle=1812,i,703674495123088551,12276143106218926167,131072 /prefetch:8
  2⤵
  PID:2360
- 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=4760 --field-trial-handle=1812,i,703674495123088551,12276143106218926167,131072 /prefetch:8
  2⤵
  PID:3648
- 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=4812 --field-trial-handle=1812,i,703674495123088551,12276143106218926167,131072 /prefetch:8
  2⤵
  PID:3852
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=4828 --field-trial-handle=1812,i,703674495123088551,12276143106218926167,131072 /prefetch:8
  2⤵
  PID:2336

C:\Program Files\Google\Chrome\Application\110.0.5481.104\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\110.0.5481.104\elevation_service.exe"
1⤵
PID:3024

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\Desktop\TestRestart.bat" "
1⤵
PID:3024

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x00000000000004B8 0x00000000000004E0
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1196

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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\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

Filesize
1KB

MD5
f5965154e78267c4148ea73ec6ed9159

SHA1
624fa4ec7625d0760a413f0992c31940ca036652

SHA256
c3a54d0118a91401d0177d695e2eac724a7a0cabf33124fcf171c5c28852e6e8

SHA512
4076a4b259f134b7fd04d93a5a644661b62655736e76ef61a499cc99063400303884084fdaaf996e7bf541aaba3abe5b7c15831de484ef3bf01a29bc3855fbf5

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\SCT Auditing Pending Reports

Filesize
2B

MD5
d751713988987e9331980363e24189ce

SHA1
97d170e1550eee4afc0af065b78cda302a97674c

SHA256
4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945

SHA512
b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af

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

Filesize
356B

MD5
2f6ee815dfdf3112fa5551eb002201dd

SHA1
0e32ab6951e85207afbc2608b476b03ca4b7b75d

SHA256
9696082cba3a95ccf075d0ac56ffd7377365614f69fccad7bfbb30d484a27251

SHA512
fa9f69e2a4d8faabbdaea8707d86362e06d0154ee74437bc3ebb824b1866041e29057572e240dc95fa0833d24d4f644293b7bd9d6bd87af6898e56eb5e73dc0d

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

Filesize
7KB

MD5
ee3118d829a655c089b41cf7434c9ff4

SHA1
ae3cd9df90773ee2a908c3b578a5cdb54e07774f

SHA256
6f1df74af01ce0410cb499486069aeec711954b05fd05f3aa870d48eb8677639

SHA512
86d9eb4b765a06193428fa241207636b37fdf30c6506741ed1577fcd99259cf219c3ead4fa37e07b2f7056715d7cdbf1d6dc48b83dec004e98c74cab48d3b72b

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

Filesize
16KB

MD5
4958ee45f81c2938f249f0dcbe6d40c8

SHA1
421086d1152946a5a3e614e4869fca60821a08b3

SHA256
8d43e0b86d205cea8caeaa9289b2e0d1adf19cc7d238d123412af959b8e38e53

SHA512
3678a7d8438c354355c54b57721b02edabab75570d4bee00a79a8ebea0aac32f75083abe99a943531ffede1293695bf7e679e58c5301f1f034f04d36f0fffd8e

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

Filesize
263KB

MD5
f905f2b40f25c3b308c0de258139c08c

SHA1
5867cd55c24d63039803413f8ccb1e8c32f66b0c

SHA256
5e76939815c153183760003200a0a7447517e1f54b59ebab3c2ed59a1e1f47b5

SHA512
2444d89cb9754a375e431dc6a375037d607d7699472556cee7c57e98fe2e8d997bce56e71ff84307659278fc808d2dd07050d70d5672c601323d613bf9e4052a

Download Submit
C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TempState\SearchHoverUnifiedTileModelCache.dat

Filesize
10KB

MD5
2cb9e3f89741961748d38d15dfecc8fb

SHA1
11f89dfac73dfacb194fa01bf6e7fddb38c1f6d7

SHA256
e76dcf1390543fde2ae6fd8263e90df10923df9dfe78a5fb588a50654577fd13

SHA512
20557311d13320d2f7c8bfb99e49c8af30dbcbace0faaa5101f9ea893a017a55100bf2b3c466c9d9cfe4fa8a8affcef9223a870abbcf571492fa90abd0e748f2

Download Submit