40850d3db842ccc5e8e99892c00c146ec6a982c38167a48ef9c1ab17a45ea98a

Analysis

max time kernel
38s
max time network
43s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
02/03/2023, 15:42

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General

Target

CMI_Invoice.pdf
Size

88KB
MD5

3826c137bdaec4e49d826b81bf8fd0d1
SHA1

aa029d2eef6f8840e5f7dead59033dd53fe4c6b4
SHA256

40850d3db842ccc5e8e99892c00c146ec6a982c38167a48ef9c1ab17a45ea98a
SHA512

a872c5f3770ee6a883cd091f0e1d3177fb7393ff8be3ebb8fce396eb50f288eeda021cbfffdb480b160beaccb052cc8992b09718b247c23f2c57804cb99c84b5
SSDEEP

1536:kkIA0KWPOefKY+AdPgRuLcDVMHmk9Tbz1ooEFb1+h+M6n7tjxmichBumaEPHc9SM:2AzkOQr+Advcebz1ih1QT6nRjxBqQmTe

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 2 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	AcroRd32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3112	AcroRd32.exe
3112	AcroRd32.exe
3112	AcroRd32.exe
3112	AcroRd32.exe
3112	AcroRd32.exe
3112	AcroRd32.exe
3112	AcroRd32.exe
3112	AcroRd32.exe
3112	AcroRd32.exe
3112	AcroRd32.exe
3112	AcroRd32.exe
3112	AcroRd32.exe
3112	AcroRd32.exe
3112	AcroRd32.exe
3112	AcroRd32.exe
3112	AcroRd32.exe
3112	AcroRd32.exe
3112	AcroRd32.exe
3112	AcroRd32.exe
3112	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3112	AcroRd32.exe

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
3112	AcroRd32.exe
3112	AcroRd32.exe
3112	AcroRd32.exe
3112	AcroRd32.exe
3112	AcroRd32.exe
3112	AcroRd32.exe
3112	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3112 wrote to memory of 3876	3112	AcroRd32.exe	88
PID 3112 wrote to memory of 3876	3112	AcroRd32.exe	88
PID 3112 wrote to memory of 3876	3112	AcroRd32.exe	88
PID 3876 wrote to memory of 4792	3876	RdrCEF.exe	89
PID 3876 wrote to memory of 4792	3876	RdrCEF.exe	89
PID 3876 wrote to memory of 4792	3876	RdrCEF.exe	89
PID 3876 wrote to memory of 4792	3876	RdrCEF.exe	89
PID 3876 wrote to memory of 4792	3876	RdrCEF.exe	89
PID 3876 wrote to memory of 4792	3876	RdrCEF.exe	89
PID 3876 wrote to memory of 4792	3876	RdrCEF.exe	89
PID 3876 wrote to memory of 4792	3876	RdrCEF.exe	89
PID 3876 wrote to memory of 4792	3876	RdrCEF.exe	89
PID 3876 wrote to memory of 4792	3876	RdrCEF.exe	89
PID 3876 wrote to memory of 4792	3876	RdrCEF.exe	89
PID 3876 wrote to memory of 4792	3876	RdrCEF.exe	89
PID 3876 wrote to memory of 4792	3876	RdrCEF.exe	89
PID 3876 wrote to memory of 4792	3876	RdrCEF.exe	89
PID 3876 wrote to memory of 4792	3876	RdrCEF.exe	89
PID 3876 wrote to memory of 4792	3876	RdrCEF.exe	89
PID 3876 wrote to memory of 4792	3876	RdrCEF.exe	89
PID 3876 wrote to memory of 4792	3876	RdrCEF.exe	89
PID 3876 wrote to memory of 4792	3876	RdrCEF.exe	89
PID 3876 wrote to memory of 4792	3876	RdrCEF.exe	89
PID 3876 wrote to memory of 4792	3876	RdrCEF.exe	89
PID 3876 wrote to memory of 4792	3876	RdrCEF.exe	89
PID 3876 wrote to memory of 4792	3876	RdrCEF.exe	89
PID 3876 wrote to memory of 4792	3876	RdrCEF.exe	89
PID 3876 wrote to memory of 4792	3876	RdrCEF.exe	89
PID 3876 wrote to memory of 4792	3876	RdrCEF.exe	89
PID 3876 wrote to memory of 4792	3876	RdrCEF.exe	89
PID 3876 wrote to memory of 4792	3876	RdrCEF.exe	89
PID 3876 wrote to memory of 4792	3876	RdrCEF.exe	89
PID 3876 wrote to memory of 4792	3876	RdrCEF.exe	89
PID 3876 wrote to memory of 4792	3876	RdrCEF.exe	89
PID 3876 wrote to memory of 4792	3876	RdrCEF.exe	89
PID 3876 wrote to memory of 4792	3876	RdrCEF.exe	89
PID 3876 wrote to memory of 4792	3876	RdrCEF.exe	89
PID 3876 wrote to memory of 4792	3876	RdrCEF.exe	89
PID 3876 wrote to memory of 4792	3876	RdrCEF.exe	89
PID 3876 wrote to memory of 4792	3876	RdrCEF.exe	89
PID 3876 wrote to memory of 4792	3876	RdrCEF.exe	89
PID 3876 wrote to memory of 4792	3876	RdrCEF.exe	89
PID 3876 wrote to memory of 4792	3876	RdrCEF.exe	89
PID 3876 wrote to memory of 4792	3876	RdrCEF.exe	89
PID 3876 wrote to memory of 2232	3876	RdrCEF.exe	90
PID 3876 wrote to memory of 2232	3876	RdrCEF.exe	90
PID 3876 wrote to memory of 2232	3876	RdrCEF.exe	90
PID 3876 wrote to memory of 2232	3876	RdrCEF.exe	90
PID 3876 wrote to memory of 2232	3876	RdrCEF.exe	90
PID 3876 wrote to memory of 2232	3876	RdrCEF.exe	90
PID 3876 wrote to memory of 2232	3876	RdrCEF.exe	90
PID 3876 wrote to memory of 2232	3876	RdrCEF.exe	90
PID 3876 wrote to memory of 2232	3876	RdrCEF.exe	90
PID 3876 wrote to memory of 2232	3876	RdrCEF.exe	90
PID 3876 wrote to memory of 2232	3876	RdrCEF.exe	90
PID 3876 wrote to memory of 2232	3876	RdrCEF.exe	90
PID 3876 wrote to memory of 2232	3876	RdrCEF.exe	90
PID 3876 wrote to memory of 2232	3876	RdrCEF.exe	90
PID 3876 wrote to memory of 2232	3876	RdrCEF.exe	90
PID 3876 wrote to memory of 2232	3876	RdrCEF.exe	90
PID 3876 wrote to memory of 2232	3876	RdrCEF.exe	90
PID 3876 wrote to memory of 2232	3876	RdrCEF.exe	90
PID 3876 wrote to memory of 2232	3876	RdrCEF.exe	90
PID 3876 wrote to memory of 2232	3876	RdrCEF.exe	90

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\CMI_Invoice.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3112
- C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
  "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3876
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=5F5FC54A5578CB14B28BC9976072F578 --mojo-platform-channel-handle=1716 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4792
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=E05AD0362E82104275609B53D87E403D --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=E05AD0362E82104275609B53D87E403D --renderer-client-id=2 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2232
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=1F278D0E33EF9FE0561427F864C9131A --mojo-platform-channel-handle=2292 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2336
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=331E44EA1AD7C888C6EFC233B1428B79 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=331E44EA1AD7C888C6EFC233B1428B79 --renderer-client-id=5 --mojo-platform-channel-handle=1900 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3788
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=7BB52B964ABCDEDDBC722E93E2E4F702 --mojo-platform-channel-handle=2544 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2716
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=C48C64F0D00A3774A181D7D9E2518E8F --mojo-platform-channel-handle=2756 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3536

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

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\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
6dc0744831a1a880e7fda99645f32ee8

SHA1
ac6060e1b03ee03777cdb27173a70fe5687bfc4b

SHA256
6ab6742ac46611bb1573d837952e2b99923be74e9c987731d27e96638a89feee

SHA512
a25512914deea570bf49b92883e85ef4f582fdc08d4f264bfe68984edf28109b5bbcf114589497676c583c096c0c3359d3ce3a21cc137258a955d3eb6e70a32f

Download Submit
memory/3112-159-0x00000000077B0000-0x00000000077D1000-memory.dmp

Filesize
132KB

Download