hxxps://of-l34kszz[.]blogspot[.]com/ hxxps://of-l34kszz[.]blogspot[.]com/ hxxps://of-l34kszz[.]blogspot[.]com/ hxxps://of-l34kszz[.]blogspot[.]com/

Analysis

max time kernel
24s
max time network
23s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
04/04/2024, 22:22

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General

Target

https://of-l34kszz.blogspot.com/ https://of-l34kszz.blogspot.com/ https://of-l34kszz.blogspot.com/ https://of-l34kszz.blogspot.com/

Score

1^/10

Malware Config

Signatures

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 = "133567429674563391"	chrome.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4688	chrome.exe
4688	chrome.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 9 IoCs

pid	Process
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeShutdownPrivilege	4688	chrome.exe
Token: SeCreatePagefilePrivilege	4688	chrome.exe
Token: SeShutdownPrivilege	4688	chrome.exe
Token: SeCreatePagefilePrivilege	4688	chrome.exe
Token: SeShutdownPrivilege	4688	chrome.exe
Token: SeCreatePagefilePrivilege	4688	chrome.exe
Token: SeShutdownPrivilege	4688	chrome.exe
Token: SeCreatePagefilePrivilege	4688	chrome.exe
Token: SeShutdownPrivilege	4688	chrome.exe
Token: SeCreatePagefilePrivilege	4688	chrome.exe
Token: SeShutdownPrivilege	4688	chrome.exe
Token: SeCreatePagefilePrivilege	4688	chrome.exe
Token: SeShutdownPrivilege	4688	chrome.exe
Token: SeCreatePagefilePrivilege	4688	chrome.exe
Token: SeShutdownPrivilege	4688	chrome.exe
Token: SeCreatePagefilePrivilege	4688	chrome.exe
Token: SeShutdownPrivilege	4688	chrome.exe
Token: SeCreatePagefilePrivilege	4688	chrome.exe
Token: SeShutdownPrivilege	4688	chrome.exe
Token: SeCreatePagefilePrivilege	4688	chrome.exe
Token: SeShutdownPrivilege	4688	chrome.exe
Token: SeCreatePagefilePrivilege	4688	chrome.exe
Token: SeShutdownPrivilege	4688	chrome.exe
Token: SeCreatePagefilePrivilege	4688	chrome.exe
Token: SeShutdownPrivilege	4688	chrome.exe
Token: SeCreatePagefilePrivilege	4688	chrome.exe
Token: SeShutdownPrivilege	4688	chrome.exe
Token: SeCreatePagefilePrivilege	4688	chrome.exe
Token: SeShutdownPrivilege	4688	chrome.exe
Token: SeCreatePagefilePrivilege	4688	chrome.exe
Token: SeShutdownPrivilege	4688	chrome.exe
Token: SeCreatePagefilePrivilege	4688	chrome.exe
Token: SeShutdownPrivilege	4688	chrome.exe
Token: SeCreatePagefilePrivilege	4688	chrome.exe
Token: SeShutdownPrivilege	4688	chrome.exe
Token: SeCreatePagefilePrivilege	4688	chrome.exe
Token: SeShutdownPrivilege	4688	chrome.exe
Token: SeCreatePagefilePrivilege	4688	chrome.exe
Token: SeShutdownPrivilege	4688	chrome.exe
Token: SeCreatePagefilePrivilege	4688	chrome.exe
Token: SeShutdownPrivilege	4688	chrome.exe
Token: SeCreatePagefilePrivilege	4688	chrome.exe
Token: SeShutdownPrivilege	4688	chrome.exe
Token: SeCreatePagefilePrivilege	4688	chrome.exe
Token: SeShutdownPrivilege	4688	chrome.exe
Token: SeCreatePagefilePrivilege	4688	chrome.exe
Token: SeShutdownPrivilege	4688	chrome.exe
Token: SeCreatePagefilePrivilege	4688	chrome.exe

Suspicious use of FindShellTrayWindow 26 IoCs

pid	Process
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe
4688	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4688 wrote to memory of 1000	4688	chrome.exe	85
PID 4688 wrote to memory of 1000	4688	chrome.exe	85
PID 4688 wrote to memory of 312	4688	chrome.exe	89
PID 4688 wrote to memory of 312	4688	chrome.exe	89
PID 4688 wrote to memory of 312	4688	chrome.exe	89
PID 4688 wrote to memory of 312	4688	chrome.exe	89
PID 4688 wrote to memory of 312	4688	chrome.exe	89
PID 4688 wrote to memory of 312	4688	chrome.exe	89
PID 4688 wrote to memory of 312	4688	chrome.exe	89
PID 4688 wrote to memory of 312	4688	chrome.exe	89
PID 4688 wrote to memory of 312	4688	chrome.exe	89
PID 4688 wrote to memory of 312	4688	chrome.exe	89
PID 4688 wrote to memory of 312	4688	chrome.exe	89
PID 4688 wrote to memory of 312	4688	chrome.exe	89
PID 4688 wrote to memory of 312	4688	chrome.exe	89
PID 4688 wrote to memory of 312	4688	chrome.exe	89
PID 4688 wrote to memory of 312	4688	chrome.exe	89
PID 4688 wrote to memory of 312	4688	chrome.exe	89
PID 4688 wrote to memory of 312	4688	chrome.exe	89
PID 4688 wrote to memory of 312	4688	chrome.exe	89
PID 4688 wrote to memory of 312	4688	chrome.exe	89
PID 4688 wrote to memory of 312	4688	chrome.exe	89
PID 4688 wrote to memory of 312	4688	chrome.exe	89
PID 4688 wrote to memory of 312	4688	chrome.exe	89
PID 4688 wrote to memory of 312	4688	chrome.exe	89
PID 4688 wrote to memory of 312	4688	chrome.exe	89
PID 4688 wrote to memory of 312	4688	chrome.exe	89
PID 4688 wrote to memory of 312	4688	chrome.exe	89
PID 4688 wrote to memory of 312	4688	chrome.exe	89
PID 4688 wrote to memory of 312	4688	chrome.exe	89
PID 4688 wrote to memory of 312	4688	chrome.exe	89
PID 4688 wrote to memory of 312	4688	chrome.exe	89
PID 4688 wrote to memory of 312	4688	chrome.exe	89
PID 4688 wrote to memory of 312	4688	chrome.exe	89
PID 4688 wrote to memory of 312	4688	chrome.exe	89
PID 4688 wrote to memory of 312	4688	chrome.exe	89
PID 4688 wrote to memory of 312	4688	chrome.exe	89
PID 4688 wrote to memory of 312	4688	chrome.exe	89
PID 4688 wrote to memory of 312	4688	chrome.exe	89
PID 4688 wrote to memory of 312	4688	chrome.exe	89
PID 4688 wrote to memory of 2044	4688	chrome.exe	90
PID 4688 wrote to memory of 2044	4688	chrome.exe	90
PID 4688 wrote to memory of 3036	4688	chrome.exe	91
PID 4688 wrote to memory of 3036	4688	chrome.exe	91
PID 4688 wrote to memory of 3036	4688	chrome.exe	91
PID 4688 wrote to memory of 3036	4688	chrome.exe	91
PID 4688 wrote to memory of 3036	4688	chrome.exe	91
PID 4688 wrote to memory of 3036	4688	chrome.exe	91
PID 4688 wrote to memory of 3036	4688	chrome.exe	91
PID 4688 wrote to memory of 3036	4688	chrome.exe	91
PID 4688 wrote to memory of 3036	4688	chrome.exe	91
PID 4688 wrote to memory of 3036	4688	chrome.exe	91
PID 4688 wrote to memory of 3036	4688	chrome.exe	91
PID 4688 wrote to memory of 3036	4688	chrome.exe	91
PID 4688 wrote to memory of 3036	4688	chrome.exe	91
PID 4688 wrote to memory of 3036	4688	chrome.exe	91
PID 4688 wrote to memory of 3036	4688	chrome.exe	91
PID 4688 wrote to memory of 3036	4688	chrome.exe	91
PID 4688 wrote to memory of 3036	4688	chrome.exe	91
PID 4688 wrote to memory of 3036	4688	chrome.exe	91
PID 4688 wrote to memory of 3036	4688	chrome.exe	91
PID 4688 wrote to memory of 3036	4688	chrome.exe	91
PID 4688 wrote to memory of 3036	4688	chrome.exe	91
PID 4688 wrote to memory of 3036	4688	chrome.exe	91

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://of-l34kszz.blogspot.com/ https://of-l34kszz.blogspot.com/ https://of-l34kszz.blogspot.com/ https://of-l34kszz.blogspot.com/
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:4688
- 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=0xfc,0x100,0x104,0xd8,0x108,0x7ffec85e9758,0x7ffec85e9768,0x7ffec85e9778
  2⤵
  PID:1000
- 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=1720 --field-trial-handle=1844,i,1977101073526040223,17750050277664945869,131072 /prefetch:2
  2⤵
  PID:312
- 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=2100 --field-trial-handle=1844,i,1977101073526040223,17750050277664945869,131072 /prefetch:8
  2⤵
  PID:2044
- 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=2192 --field-trial-handle=1844,i,1977101073526040223,17750050277664945869,131072 /prefetch:8
  2⤵
  PID:3036
- 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=3040 --field-trial-handle=1844,i,1977101073526040223,17750050277664945869,131072 /prefetch:1
  2⤵
  PID:2880
- 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=3060 --field-trial-handle=1844,i,1977101073526040223,17750050277664945869,131072 /prefetch:1
  2⤵
  PID:2084
- 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=4728 --field-trial-handle=1844,i,1977101073526040223,17750050277664945869,131072 /prefetch:8
  2⤵
  PID:4912
- 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=4968 --field-trial-handle=1844,i,1977101073526040223,17750050277664945869,131072 /prefetch:8
  2⤵
  PID:4508
- 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=9 --mojo-platform-channel-handle=5104 --field-trial-handle=1844,i,1977101073526040223,17750050277664945869,131072 /prefetch:1
  2⤵
  PID:3776
- 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=10 --mojo-platform-channel-handle=4104 --field-trial-handle=1844,i,1977101073526040223,17750050277664945869,131072 /prefetch:1
  2⤵
  PID:2680
- 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=11 --mojo-platform-channel-handle=4576 --field-trial-handle=1844,i,1977101073526040223,17750050277664945869,131072 /prefetch:1
  2⤵
  PID:3624
- 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=12 --mojo-platform-channel-handle=5048 --field-trial-handle=1844,i,1977101073526040223,17750050277664945869,131072 /prefetch:1
  2⤵
  PID:2340
- 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=13 --mojo-platform-channel-handle=4596 --field-trial-handle=1844,i,1977101073526040223,17750050277664945869,131072 /prefetch:1
  2⤵
  PID:3992
- 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=14 --mojo-platform-channel-handle=3308 --field-trial-handle=1844,i,1977101073526040223,17750050277664945869,131072 /prefetch:1
  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 --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=15 --mojo-platform-channel-handle=5752 --field-trial-handle=1844,i,1977101073526040223,17750050277664945869,131072 /prefetch:1
  2⤵
  PID:2976

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:3052

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\Cache\Cache_Data\f_000006

Filesize
105KB

MD5
c0baba77c31d83ed6efc7b83cbb0b81c

SHA1
db36dbba82fe07adda1ccf5c8f3077de5fe64e99

SHA256
4440ba1782475af0d7e8a33013b8a5536de072500eb5f990b1037a43f8cd3b47

SHA512
53fd7a330847dcf5c1dc53d21005ef92e8c00c04c083ea702df25cb1386ea53c2ebad222ef84430606a941b27fdd4359f14cd6298c24353113c9792c91afe52c

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Cache\Cache_Data\f_00001a

Filesize
198KB

MD5
319e0c36436ee0bf24476acbcc83565c

SHA1
fb2658d5791fe5b37424119557ab8cee30acdc54

SHA256
f6562ea52e056b979d6f52932ae57b7afb04486b10b0ebde22c5b51f502c69d1

SHA512
ad902b9a010cf99bdedba405cad0387890a9ff90a9c91f6a3220cdceec1b08ecb97a326aef01b28d8d0aacb5f2a16f02f673e196bdb69fc68b3f636139059902

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

Filesize
873B

MD5
c71264a493df6379b0cf5ad96c9ceb02

SHA1
64de692e8f00e45bf3e19672fbcb3ece84d47887

SHA256
845f8a717cb2e4be7302612f85f598e030fd7515ddeb840aac5264f22aff60cd

SHA512
51e9aaea20a9fea5867a011f6c2ff173f7a64dc5db2e92d808b2a5b0fa361819044f1fc49a5995e03769445c1c25a10b3929de37a7a8baddb4d86fd065625fad

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

Filesize
6KB

MD5
2f5f7eb7386995cfb98553525a609e94

SHA1
a9490189d6e23e8138421126cd081bbcc3e9cb8a

SHA256
11e830a208cdf75c5e3363d09f2ae4c14160834f983af1bfcd0456d980a227f6

SHA512
01a0d381e3975b93ad18736fb8122cc17ca63dd10f60d7f5f53984449f9440cba5daf2e0c744f36114edca548940043cc77a1deca86a0cbada5cd1ba330f7307

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

Filesize
128KB

MD5
1bccfc4151eb430803aaba49f48f8b78

SHA1
a17024d83206e748a490c5f00777525be2658b51

SHA256
a7a015221fc69d11b8a9bae1461c34789a61155ec4d3ae9c1e9fccc117fef84c

SHA512
eef76158e832a44741ca216b6f8e1693768562cc666e30f99d9fa09459bc4c342de14beaba2f6475f10b1e02ea1535d28f990d91074bf6209ef181b5bb372f48

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\persisted_first_party_sets.json

Filesize
2B

MD5
99914b932bd37a50b983c5e7c90ae93b

SHA1
bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f

SHA256
44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a

SHA512
27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd

Download Submit