hxxps://outlook[.]office365[.]com/owa/service[.]svc/s/GetFileAttachment?id=AAMkADRjYTVjNTY0LTI4OTUtNDIxOS1iZmQwLTBlMjU5MGM3N2U1NwBGAAAAAABJiRsGJ4wZSZPK3o2PLSlSBwCn2n2vL1oqT5viFI84av4%2BAAABW2CdAACKBHZCgg2UToE14qve1S5RAABi%2BpkHAAABEgAQAG9ARI8YF0lFvL9ROM%2FVklk%3D&X-OWA-CANARY=zDlFmztMpEmRBPyfhYp16jkNp9CdKNIIVfSd_jXpJissMGx2NW0wE2FFNBfSSrPK4g7M9TTb-iY[.]

Analysis

max time kernel
12s
max time network
16s
platform
windows10-2004_x64
resource
win10v2004-20230220-es
resource tags

arch:x64arch:x86image:win10v2004-20230220-eslocale:es-esos:windows10-2004-x64systemwindows
submitted
26/05/2023, 18:12

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General

Target

https://outlook.office365.com/owa/service.svc/s/GetFileAttachment?id=AAMkADRjYTVjNTY0LTI4OTUtNDIxOS1iZmQwLTBlMjU5MGM3N2U1NwBGAAAAAABJiRsGJ4wZSZPK3o2PLSlSBwCn2n2vL1oqT5viFI84av4%2BAAABW2CdAACKBHZCgg2UToE14qve1S5RAABi%2BpkHAAABEgAQAG9ARI8YF0lFvL9ROM%2FVklk%3D&X-OWA-CANARY=zDlFmztMpEmRBPyfhYp16jkNp9CdKNIIVfSd_jXpJissMGx2NW0wE2FFNBfSSrPK4g7M9TTb-iY.

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 = "133296056012210934"	chrome.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1812	chrome.exe
1812	chrome.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 IoCs

pid	Process
1812	chrome.exe
1812	chrome.exe
1812	chrome.exe
1812	chrome.exe

Suspicious use of AdjustPrivilegeToken 22 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1812	chrome.exe
Token: SeCreatePagefilePrivilege	1812	chrome.exe
Token: SeShutdownPrivilege	1812	chrome.exe
Token: SeCreatePagefilePrivilege	1812	chrome.exe
Token: SeShutdownPrivilege	1812	chrome.exe
Token: SeCreatePagefilePrivilege	1812	chrome.exe
Token: SeShutdownPrivilege	1812	chrome.exe
Token: SeCreatePagefilePrivilege	1812	chrome.exe
Token: SeShutdownPrivilege	1812	chrome.exe
Token: SeCreatePagefilePrivilege	1812	chrome.exe
Token: SeShutdownPrivilege	1812	chrome.exe
Token: SeCreatePagefilePrivilege	1812	chrome.exe
Token: SeShutdownPrivilege	1812	chrome.exe
Token: SeCreatePagefilePrivilege	1812	chrome.exe
Token: SeShutdownPrivilege	1812	chrome.exe
Token: SeCreatePagefilePrivilege	1812	chrome.exe
Token: SeShutdownPrivilege	1812	chrome.exe
Token: SeCreatePagefilePrivilege	1812	chrome.exe
Token: SeShutdownPrivilege	1812	chrome.exe
Token: SeCreatePagefilePrivilege	1812	chrome.exe
Token: SeShutdownPrivilege	1812	chrome.exe
Token: SeCreatePagefilePrivilege	1812	chrome.exe

Suspicious use of FindShellTrayWindow 26 IoCs

pid	Process
1812	chrome.exe
1812	chrome.exe
1812	chrome.exe
1812	chrome.exe
1812	chrome.exe
1812	chrome.exe
1812	chrome.exe
1812	chrome.exe
1812	chrome.exe
1812	chrome.exe
1812	chrome.exe
1812	chrome.exe
1812	chrome.exe
1812	chrome.exe
1812	chrome.exe
1812	chrome.exe
1812	chrome.exe
1812	chrome.exe
1812	chrome.exe
1812	chrome.exe
1812	chrome.exe
1812	chrome.exe
1812	chrome.exe
1812	chrome.exe
1812	chrome.exe
1812	chrome.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
1812	chrome.exe
1812	chrome.exe
1812	chrome.exe
1812	chrome.exe
1812	chrome.exe
1812	chrome.exe
1812	chrome.exe
1812	chrome.exe
1812	chrome.exe
1812	chrome.exe
1812	chrome.exe
1812	chrome.exe
1812	chrome.exe
1812	chrome.exe
1812	chrome.exe
1812	chrome.exe
1812	chrome.exe
1812	chrome.exe
1812	chrome.exe
1812	chrome.exe
1812	chrome.exe
1812	chrome.exe
1812	chrome.exe
1812	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1812 wrote to memory of 4396	1812	chrome.exe	83
PID 1812 wrote to memory of 4396	1812	chrome.exe	83
PID 1812 wrote to memory of 2144	1812	chrome.exe	84
PID 1812 wrote to memory of 2144	1812	chrome.exe	84
PID 1812 wrote to memory of 2144	1812	chrome.exe	84
PID 1812 wrote to memory of 2144	1812	chrome.exe	84
PID 1812 wrote to memory of 2144	1812	chrome.exe	84
PID 1812 wrote to memory of 2144	1812	chrome.exe	84
PID 1812 wrote to memory of 2144	1812	chrome.exe	84
PID 1812 wrote to memory of 2144	1812	chrome.exe	84
PID 1812 wrote to memory of 2144	1812	chrome.exe	84
PID 1812 wrote to memory of 2144	1812	chrome.exe	84
PID 1812 wrote to memory of 2144	1812	chrome.exe	84
PID 1812 wrote to memory of 2144	1812	chrome.exe	84
PID 1812 wrote to memory of 2144	1812	chrome.exe	84
PID 1812 wrote to memory of 2144	1812	chrome.exe	84
PID 1812 wrote to memory of 2144	1812	chrome.exe	84
PID 1812 wrote to memory of 2144	1812	chrome.exe	84
PID 1812 wrote to memory of 2144	1812	chrome.exe	84
PID 1812 wrote to memory of 2144	1812	chrome.exe	84
PID 1812 wrote to memory of 2144	1812	chrome.exe	84
PID 1812 wrote to memory of 2144	1812	chrome.exe	84
PID 1812 wrote to memory of 2144	1812	chrome.exe	84
PID 1812 wrote to memory of 2144	1812	chrome.exe	84
PID 1812 wrote to memory of 2144	1812	chrome.exe	84
PID 1812 wrote to memory of 2144	1812	chrome.exe	84
PID 1812 wrote to memory of 2144	1812	chrome.exe	84
PID 1812 wrote to memory of 2144	1812	chrome.exe	84
PID 1812 wrote to memory of 2144	1812	chrome.exe	84
PID 1812 wrote to memory of 2144	1812	chrome.exe	84
PID 1812 wrote to memory of 2144	1812	chrome.exe	84
PID 1812 wrote to memory of 2144	1812	chrome.exe	84
PID 1812 wrote to memory of 2144	1812	chrome.exe	84
PID 1812 wrote to memory of 2144	1812	chrome.exe	84
PID 1812 wrote to memory of 2144	1812	chrome.exe	84
PID 1812 wrote to memory of 2144	1812	chrome.exe	84
PID 1812 wrote to memory of 2144	1812	chrome.exe	84
PID 1812 wrote to memory of 2144	1812	chrome.exe	84
PID 1812 wrote to memory of 2144	1812	chrome.exe	84
PID 1812 wrote to memory of 2144	1812	chrome.exe	84
PID 1812 wrote to memory of 3608	1812	chrome.exe	85
PID 1812 wrote to memory of 3608	1812	chrome.exe	85
PID 1812 wrote to memory of 4984	1812	chrome.exe	86
PID 1812 wrote to memory of 4984	1812	chrome.exe	86
PID 1812 wrote to memory of 4984	1812	chrome.exe	86
PID 1812 wrote to memory of 4984	1812	chrome.exe	86
PID 1812 wrote to memory of 4984	1812	chrome.exe	86
PID 1812 wrote to memory of 4984	1812	chrome.exe	86
PID 1812 wrote to memory of 4984	1812	chrome.exe	86
PID 1812 wrote to memory of 4984	1812	chrome.exe	86
PID 1812 wrote to memory of 4984	1812	chrome.exe	86
PID 1812 wrote to memory of 4984	1812	chrome.exe	86
PID 1812 wrote to memory of 4984	1812	chrome.exe	86
PID 1812 wrote to memory of 4984	1812	chrome.exe	86
PID 1812 wrote to memory of 4984	1812	chrome.exe	86
PID 1812 wrote to memory of 4984	1812	chrome.exe	86
PID 1812 wrote to memory of 4984	1812	chrome.exe	86
PID 1812 wrote to memory of 4984	1812	chrome.exe	86
PID 1812 wrote to memory of 4984	1812	chrome.exe	86
PID 1812 wrote to memory of 4984	1812	chrome.exe	86
PID 1812 wrote to memory of 4984	1812	chrome.exe	86
PID 1812 wrote to memory of 4984	1812	chrome.exe	86
PID 1812 wrote to memory of 4984	1812	chrome.exe	86
PID 1812 wrote to memory of 4984	1812	chrome.exe	86

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" "--simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT'" https://outlook.office365.com/owa/service.svc/s/GetFileAttachment?id=AAMkADRjYTVjNTY0LTI4OTUtNDIxOS1iZmQwLTBlMjU5MGM3N2U1NwBGAAAAAABJiRsGJ4wZSZPK3o2PLSlSBwCn2n2vL1oqT5viFI84av4%2BAAABW2CdAACKBHZCgg2UToE14qve1S5RAABi%2BpkHAAABEgAQAG9ARI8YF0lFvL9ROM%2FVklk%3D&X-OWA-CANARY=zDlFmztMpEmRBPyfhYp16jkNp9CdKNIIVfSd_jXpJissMGx2NW0wE2FFNBfSSrPK4g7M9TTb-iY.
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:1812
- 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,0x100,0x104,0xd8,0x108,0x7ffc15d99758,0x7ffc15d99768,0x7ffc15d99778
  2⤵
  PID:4396
- 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=1796 --field-trial-handle=1808,i,12844109087362474673,12194791179934201707,131072 /prefetch:2
  2⤵
  PID:2144
- 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=2168 --field-trial-handle=1808,i,12844109087362474673,12194791179934201707,131072 /prefetch:8
  2⤵
  PID:3608
- 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=2164 --field-trial-handle=1808,i,12844109087362474673,12194791179934201707,131072 /prefetch:8
  2⤵
  PID:4984
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=3176 --field-trial-handle=1808,i,12844109087362474673,12194791179934201707,131072 /prefetch:1
  2⤵
  PID:4212
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=3192 --field-trial-handle=1808,i,12844109087362474673,12194791179934201707,131072 /prefetch:1
  2⤵
  PID:1492
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=7 --mojo-platform-channel-handle=4404 --field-trial-handle=1808,i,12844109087362474673,12194791179934201707,131072 /prefetch:1
  2⤵
  PID:1596
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=9 --mojo-platform-channel-handle=4916 --field-trial-handle=1808,i,12844109087362474673,12194791179934201707,131072 /prefetch:1
  2⤵
  PID:4996
- 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=4760 --field-trial-handle=1808,i,12844109087362474673,12194791179934201707,131072 /prefetch:8
  2⤵
  PID:2448
- 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=5080 --field-trial-handle=1808,i,12844109087362474673,12194791179934201707,131072 /prefetch:8
  2⤵
  PID:4196
- 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=4888 --field-trial-handle=1808,i,12844109087362474673,12194791179934201707,131072 /prefetch:8
  2⤵
  PID:2188

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:532

Network

MITRE ATT&CK Enterprise v6

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\Preferences

Filesize
6KB

MD5
10773193b65719ac0135aa7a55ac5a3c

SHA1
d5ceb3a82f3ed8b93be46ea032d99ad9796cc5d9

SHA256
93833033e7eb6aeba260d33b3fb10ab6b488e662768bc685c7dcd500dd01f8f6

SHA512
139db5b41b36848538522639301f21bdaeb6150cb24bb61a15fe65ab7ea4fe2099caf7302d15596d2d965cf848d5add34210b9e8465eff75120c8fdc7fe0276d

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

Filesize
15KB

MD5
19e3f435a503ede022bf6328edf4b509

SHA1
cccbcaf340a7b8872a05f751c5d71932bcd3db26

SHA256
127ad68fb0de2b5079be284d468120077fb8e40646b3a6f8878818269879f49f

SHA512
1ba780d311fad13e41298a1e3a2e724f3f5970b3fcee17d4eb6f23b360208677084594d4799d487ad8ba3b70cbc979e96b6f0771fef9ab7b7d54301bc658d8ba

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

Filesize
153KB

MD5
d2348b9c0c0ee9765f455fc901b88819

SHA1
23cd5c4887eeb106f87b4de376f84f8ae24194c3

SHA256
f583616f19fdc1f8181cda6ad89207ed506d79c75e86f40d757c7e4eaaf8aeed

SHA512
075aae62eaf44c4c218dc9b758d8e25d7c1b2d70d384a449de9953aae64361754d3187de994285f8c4c20fe0d965574bfff642cb4ec021595e91d2d137678b0c

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