hxxps://securemail[.]commonspirit[.]org/formpostdir/securereader?id=VuWLWO4dJ4mFTjezWOXdYVIUEkM59ekP&brand=3502e25accec17455

Analysis

max time kernel
52s
max time network
54s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
12/05/2023, 03:08

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General

Target

https://securemail.commonspirit.org/formpostdir/securereader?id=VuWLWO4dJ4mFTjezWOXdYVIUEkM59ekP&brand=3502e25accec17455

Score

5^/10

Malware Config

Signatures

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{46ED75EB-189F-4FCD-9C3D-61F5BEE629E8}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{B40A30BB-6AA9-4AD4-8525-D42514F8C45C}.catalogItem	svchost.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svchost.exe

Enumerates system info in registry 2 TTPs 5 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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	svchost.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 = "133283417073736463"	chrome.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1832	chrome.exe
1832	chrome.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 IoCs

pid	Process
1832	chrome.exe
1832	chrome.exe
1832	chrome.exe
1832	chrome.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1832	chrome.exe
Token: SeCreatePagefilePrivilege	1832	chrome.exe
Token: SeShutdownPrivilege	1832	chrome.exe
Token: SeCreatePagefilePrivilege	1832	chrome.exe
Token: SeShutdownPrivilege	1832	chrome.exe
Token: SeCreatePagefilePrivilege	1832	chrome.exe
Token: SeShutdownPrivilege	1832	chrome.exe
Token: SeCreatePagefilePrivilege	1832	chrome.exe
Token: SeShutdownPrivilege	1832	chrome.exe
Token: SeCreatePagefilePrivilege	1832	chrome.exe
Token: SeShutdownPrivilege	1832	chrome.exe
Token: SeCreatePagefilePrivilege	1832	chrome.exe
Token: SeShutdownPrivilege	1832	chrome.exe
Token: SeCreatePagefilePrivilege	1832	chrome.exe
Token: SeShutdownPrivilege	1832	chrome.exe
Token: SeCreatePagefilePrivilege	1832	chrome.exe
Token: SeShutdownPrivilege	1832	chrome.exe
Token: SeCreatePagefilePrivilege	1832	chrome.exe
Token: SeShutdownPrivilege	1832	chrome.exe
Token: SeCreatePagefilePrivilege	1832	chrome.exe
Token: SeShutdownPrivilege	1832	chrome.exe
Token: SeCreatePagefilePrivilege	1832	chrome.exe
Token: SeShutdownPrivilege	1832	chrome.exe
Token: SeCreatePagefilePrivilege	1832	chrome.exe
Token: SeShutdownPrivilege	1832	chrome.exe
Token: SeCreatePagefilePrivilege	1832	chrome.exe
Token: SeShutdownPrivilege	1832	chrome.exe
Token: SeCreatePagefilePrivilege	1832	chrome.exe
Token: SeShutdownPrivilege	1832	chrome.exe
Token: SeCreatePagefilePrivilege	1832	chrome.exe
Token: SeShutdownPrivilege	1832	chrome.exe
Token: SeCreatePagefilePrivilege	1832	chrome.exe
Token: SeShutdownPrivilege	1832	chrome.exe
Token: SeCreatePagefilePrivilege	1832	chrome.exe
Token: SeShutdownPrivilege	1832	chrome.exe
Token: SeCreatePagefilePrivilege	1832	chrome.exe
Token: SeShutdownPrivilege	1832	chrome.exe
Token: SeCreatePagefilePrivilege	1832	chrome.exe
Token: SeShutdownPrivilege	1832	chrome.exe
Token: SeCreatePagefilePrivilege	1832	chrome.exe
Token: SeShutdownPrivilege	1832	chrome.exe
Token: SeCreatePagefilePrivilege	1832	chrome.exe
Token: SeShutdownPrivilege	1832	chrome.exe
Token: SeCreatePagefilePrivilege	1832	chrome.exe
Token: SeShutdownPrivilege	1832	chrome.exe
Token: SeCreatePagefilePrivilege	1832	chrome.exe
Token: SeShutdownPrivilege	1832	chrome.exe
Token: SeCreatePagefilePrivilege	1832	chrome.exe
Token: SeShutdownPrivilege	1832	chrome.exe
Token: SeCreatePagefilePrivilege	1832	chrome.exe
Token: SeShutdownPrivilege	1832	chrome.exe
Token: SeCreatePagefilePrivilege	1832	chrome.exe
Token: SeShutdownPrivilege	1832	chrome.exe
Token: SeCreatePagefilePrivilege	1832	chrome.exe
Token: SeShutdownPrivilege	1832	chrome.exe
Token: SeCreatePagefilePrivilege	1832	chrome.exe
Token: SeShutdownPrivilege	1832	chrome.exe
Token: SeCreatePagefilePrivilege	1832	chrome.exe
Token: SeShutdownPrivilege	1832	chrome.exe
Token: SeCreatePagefilePrivilege	1832	chrome.exe
Token: SeShutdownPrivilege	1832	chrome.exe
Token: SeCreatePagefilePrivilege	1832	chrome.exe
Token: SeShutdownPrivilege	1832	chrome.exe
Token: SeCreatePagefilePrivilege	1832	chrome.exe

Suspicious use of FindShellTrayWindow 26 IoCs

pid	Process
1832	chrome.exe
1832	chrome.exe
1832	chrome.exe
1832	chrome.exe
1832	chrome.exe
1832	chrome.exe
1832	chrome.exe
1832	chrome.exe
1832	chrome.exe
1832	chrome.exe
1832	chrome.exe
1832	chrome.exe
1832	chrome.exe
1832	chrome.exe
1832	chrome.exe
1832	chrome.exe
1832	chrome.exe
1832	chrome.exe
1832	chrome.exe
1832	chrome.exe
1832	chrome.exe
1832	chrome.exe
1832	chrome.exe
1832	chrome.exe
1832	chrome.exe
1832	chrome.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
1832	chrome.exe
1832	chrome.exe
1832	chrome.exe
1832	chrome.exe
1832	chrome.exe
1832	chrome.exe
1832	chrome.exe
1832	chrome.exe
1832	chrome.exe
1832	chrome.exe
1832	chrome.exe
1832	chrome.exe
1832	chrome.exe
1832	chrome.exe
1832	chrome.exe
1832	chrome.exe
1832	chrome.exe
1832	chrome.exe
1832	chrome.exe
1832	chrome.exe
1832	chrome.exe
1832	chrome.exe
1832	chrome.exe
1832	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1832 wrote to memory of 2304	1832	chrome.exe	79
PID 1832 wrote to memory of 2304	1832	chrome.exe	79
PID 1832 wrote to memory of 4972	1832	chrome.exe	84
PID 1832 wrote to memory of 4972	1832	chrome.exe	84
PID 1832 wrote to memory of 4972	1832	chrome.exe	84
PID 1832 wrote to memory of 4972	1832	chrome.exe	84
PID 1832 wrote to memory of 4972	1832	chrome.exe	84
PID 1832 wrote to memory of 4972	1832	chrome.exe	84
PID 1832 wrote to memory of 4972	1832	chrome.exe	84
PID 1832 wrote to memory of 4972	1832	chrome.exe	84
PID 1832 wrote to memory of 4972	1832	chrome.exe	84
PID 1832 wrote to memory of 4972	1832	chrome.exe	84
PID 1832 wrote to memory of 4972	1832	chrome.exe	84
PID 1832 wrote to memory of 4972	1832	chrome.exe	84
PID 1832 wrote to memory of 4972	1832	chrome.exe	84
PID 1832 wrote to memory of 4972	1832	chrome.exe	84
PID 1832 wrote to memory of 4972	1832	chrome.exe	84
PID 1832 wrote to memory of 4972	1832	chrome.exe	84
PID 1832 wrote to memory of 4972	1832	chrome.exe	84
PID 1832 wrote to memory of 4972	1832	chrome.exe	84
PID 1832 wrote to memory of 4972	1832	chrome.exe	84
PID 1832 wrote to memory of 4972	1832	chrome.exe	84
PID 1832 wrote to memory of 4972	1832	chrome.exe	84
PID 1832 wrote to memory of 4972	1832	chrome.exe	84
PID 1832 wrote to memory of 4972	1832	chrome.exe	84
PID 1832 wrote to memory of 4972	1832	chrome.exe	84
PID 1832 wrote to memory of 4972	1832	chrome.exe	84
PID 1832 wrote to memory of 4972	1832	chrome.exe	84
PID 1832 wrote to memory of 4972	1832	chrome.exe	84
PID 1832 wrote to memory of 4972	1832	chrome.exe	84
PID 1832 wrote to memory of 4972	1832	chrome.exe	84
PID 1832 wrote to memory of 4972	1832	chrome.exe	84
PID 1832 wrote to memory of 4972	1832	chrome.exe	84
PID 1832 wrote to memory of 4972	1832	chrome.exe	84
PID 1832 wrote to memory of 4972	1832	chrome.exe	84
PID 1832 wrote to memory of 4972	1832	chrome.exe	84
PID 1832 wrote to memory of 4972	1832	chrome.exe	84
PID 1832 wrote to memory of 4972	1832	chrome.exe	84
PID 1832 wrote to memory of 4972	1832	chrome.exe	84
PID 1832 wrote to memory of 4972	1832	chrome.exe	84
PID 1832 wrote to memory of 4748	1832	chrome.exe	85
PID 1832 wrote to memory of 4748	1832	chrome.exe	85
PID 1832 wrote to memory of 1440	1832	chrome.exe	86
PID 1832 wrote to memory of 1440	1832	chrome.exe	86
PID 1832 wrote to memory of 1440	1832	chrome.exe	86
PID 1832 wrote to memory of 1440	1832	chrome.exe	86
PID 1832 wrote to memory of 1440	1832	chrome.exe	86
PID 1832 wrote to memory of 1440	1832	chrome.exe	86
PID 1832 wrote to memory of 1440	1832	chrome.exe	86
PID 1832 wrote to memory of 1440	1832	chrome.exe	86
PID 1832 wrote to memory of 1440	1832	chrome.exe	86
PID 1832 wrote to memory of 1440	1832	chrome.exe	86
PID 1832 wrote to memory of 1440	1832	chrome.exe	86
PID 1832 wrote to memory of 1440	1832	chrome.exe	86
PID 1832 wrote to memory of 1440	1832	chrome.exe	86
PID 1832 wrote to memory of 1440	1832	chrome.exe	86
PID 1832 wrote to memory of 1440	1832	chrome.exe	86
PID 1832 wrote to memory of 1440	1832	chrome.exe	86
PID 1832 wrote to memory of 1440	1832	chrome.exe	86
PID 1832 wrote to memory of 1440	1832	chrome.exe	86
PID 1832 wrote to memory of 1440	1832	chrome.exe	86
PID 1832 wrote to memory of 1440	1832	chrome.exe	86
PID 1832 wrote to memory of 1440	1832	chrome.exe	86
PID 1832 wrote to memory of 1440	1832	chrome.exe	86

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

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://securemail.commonspirit.org/formpostdir/securereader?id=VuWLWO4dJ4mFTjezWOXdYVIUEkM59ekP&brand=3502e25accec17455
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:1832
- 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,0x100,0x104,0xd8,0x108,0x7ffce86b9758,0x7ffce86b9768,0x7ffce86b9778
  2⤵
  PID:2304
- 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=1800 --field-trial-handle=1816,i,3086521158235500640,198650119414992374,131072 /prefetch:2
  2⤵
  PID:4972
- 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=2172 --field-trial-handle=1816,i,3086521158235500640,198650119414992374,131072 /prefetch:8
  2⤵
  PID:4748
- 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=2252 --field-trial-handle=1816,i,3086521158235500640,198650119414992374,131072 /prefetch:8
  2⤵
  PID:1440
- 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=3172 --field-trial-handle=1816,i,3086521158235500640,198650119414992374,131072 /prefetch:1
  2⤵
  PID:784
- 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=3196 --field-trial-handle=1816,i,3086521158235500640,198650119414992374,131072 /prefetch:1
  2⤵
  PID:2824
- 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=5068 --field-trial-handle=1816,i,3086521158235500640,198650119414992374,131072 /prefetch:8
  2⤵
  PID:644
- 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=5328 --field-trial-handle=1816,i,3086521158235500640,198650119414992374,131072 /prefetch:8
  2⤵
  PID:648
- 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=4984 --field-trial-handle=1816,i,3086521158235500640,198650119414992374,131072 /prefetch:1
  2⤵
  PID:3872
- 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=10 --mojo-platform-channel-handle=3436 --field-trial-handle=1816,i,3086521158235500640,198650119414992374,131072 /prefetch:1
  2⤵
  PID:1772

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p
1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry
PID:2616

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:4868

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\Network\TransportSecurity

Filesize
538B

MD5
b785ea0d5eb25bc69a04fdd0d7658545

SHA1
1044ab95cf82039fda7345909556e65862914e4b

SHA256
e728c577309535e7d1d57ca6e625a6517765ad2d4f747b60e177ac0a31f0334f

SHA512
fc9d473649e148a8b6977c6fe4c6eaafadfe9ab55189012d179dd01339dd3188bdcc824da4a12ba147b7da0147fc804f26b63d21f96fbc891338ee7d0717c8c3

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

Filesize
4KB

MD5
fdb4d579bf3c303268546c8e93ef5b44

SHA1
7c4b4a2bae857127f7b57f8610c49d219229d733

SHA256
60a37ea3d07241a932c84905d3ad2a997437dce022698fe5b57d1582fde54a2c

SHA512
43878cad1a67161a563c8dbb5cb75e1cfa0e16c179cd43bb5f1df9b93990ffcfe40dab3bd5496ad0c19ca8ca5f431e1502505f31d64f88ae5b4d592fed84093a

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

Filesize
4KB

MD5
ebd8c00ea802c4bd3fcbd74491089fe5

SHA1
d82c8b4df1adeb976deb36be0ff930c8172b5252

SHA256
7e551a92c1c96d0078ede6dfd0a70454d0aacc613a43226c339cc4270aabf159

SHA512
4d54e6a5d16c3290392d2e18612f790e8c6d74b3a50f953be61f1411ee7c47bf801edb00055d47a031f20bab106a216d0bdae94990f852fa8d244db0c2fe31b6

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

Filesize
149KB

MD5
0e247b553778ccd18fffc35c063693e5

SHA1
d87438fc69a8bebc51dcd8519f3c85b14eb546c2

SHA256
4970873a1ea66e91d076bd4186ecbc706416fdeb828bb74456cb8c91c5d3fd42

SHA512
83b7f545c531757807dc79ded20f5b96c2abd8c5b3ad42e5bd1b2e6677fbd5edfbc6c5690415f0e4477fd6c3145f296167a5c5b3df9de2f3bc25c2711e9c5947

Download Submit