1557f20552bb07b038554e5d8bbd4f08fdeb74b95091b1733935c04d0652ce87

Analysis

max time kernel
142s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
16/03/2024, 09:29

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General

Target

cdb370671b3fbea1490624c9a48dbeba.pdf
Size

283KB
MD5

cdb370671b3fbea1490624c9a48dbeba
SHA1

7a6bb40dd3c101a6a791aa7d9ad23a48a517a4f3
SHA256

1557f20552bb07b038554e5d8bbd4f08fdeb74b95091b1733935c04d0652ce87
SHA512

03a4475d59a90b5eebde0d695bb144b9acf7fd9fb4953fed0489b4493637c46a68a5d5107771751e4449e0227c5f8a0a2c2296717b8f58c5fe3bf8bfe526b78b
SSDEEP

6144:74ycIDV9FoAeYbdnPaP1jxmYgH8BuFcDlCX1WPx3D4RCKmJw0W:UycIDV9Ge41ngYCMPpYCw0W

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
5092	AcroRd32.exe
5092	AcroRd32.exe
5092	AcroRd32.exe
5092	AcroRd32.exe
5092	AcroRd32.exe
5092	AcroRd32.exe
5092	AcroRd32.exe
5092	AcroRd32.exe
5092	AcroRd32.exe
5092	AcroRd32.exe
5092	AcroRd32.exe
5092	AcroRd32.exe
5092	AcroRd32.exe
5092	AcroRd32.exe
5092	AcroRd32.exe
5092	AcroRd32.exe
5092	AcroRd32.exe
5092	AcroRd32.exe
5092	AcroRd32.exe
5092	AcroRd32.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
5092	AcroRd32.exe
5092	AcroRd32.exe
5092	AcroRd32.exe
5092	AcroRd32.exe
5092	AcroRd32.exe
5092	AcroRd32.exe
5092	AcroRd32.exe
5092	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5092 wrote to memory of 4028	5092	AcroRd32.exe	93
PID 5092 wrote to memory of 4028	5092	AcroRd32.exe	93
PID 5092 wrote to memory of 4028	5092	AcroRd32.exe	93
PID 4028 wrote to memory of 1684	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1684	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1684	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1684	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1684	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1684	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1684	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1684	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1684	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1684	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1684	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1684	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1684	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1684	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1684	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1684	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1684	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1684	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1684	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1684	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1684	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1684	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1684	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1684	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1684	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1684	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1684	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1684	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1684	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1684	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1684	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1684	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1684	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1684	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1684	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1684	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1684	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1684	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1684	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1684	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 1684	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 4556	4028	RdrCEF.exe	95
PID 4028 wrote to memory of 4556	4028	RdrCEF.exe	95
PID 4028 wrote to memory of 4556	4028	RdrCEF.exe	95
PID 4028 wrote to memory of 4556	4028	RdrCEF.exe	95
PID 4028 wrote to memory of 4556	4028	RdrCEF.exe	95
PID 4028 wrote to memory of 4556	4028	RdrCEF.exe	95
PID 4028 wrote to memory of 4556	4028	RdrCEF.exe	95
PID 4028 wrote to memory of 4556	4028	RdrCEF.exe	95
PID 4028 wrote to memory of 4556	4028	RdrCEF.exe	95
PID 4028 wrote to memory of 4556	4028	RdrCEF.exe	95
PID 4028 wrote to memory of 4556	4028	RdrCEF.exe	95
PID 4028 wrote to memory of 4556	4028	RdrCEF.exe	95
PID 4028 wrote to memory of 4556	4028	RdrCEF.exe	95
PID 4028 wrote to memory of 4556	4028	RdrCEF.exe	95
PID 4028 wrote to memory of 4556	4028	RdrCEF.exe	95
PID 4028 wrote to memory of 4556	4028	RdrCEF.exe	95
PID 4028 wrote to memory of 4556	4028	RdrCEF.exe	95
PID 4028 wrote to memory of 4556	4028	RdrCEF.exe	95
PID 4028 wrote to memory of 4556	4028	RdrCEF.exe	95
PID 4028 wrote to memory of 4556	4028	RdrCEF.exe	95

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\cdb370671b3fbea1490624c9a48dbeba.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5092
- 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:4028
- - 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=544B3F6164765E036FEBED79CA418A4B --mojo-platform-channel-handle=1700 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1684
- - 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=F9FA101808BC9710CC3B0DC54DE9EA3D --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=4 --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=F9FA101808BC9710CC3B0DC54DE9EA3D --renderer-client-id=2 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4556
- - 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=2AA0EE4E4CB1EA300DD94D66E04B19AA --mojo-platform-channel-handle=2280 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3716
- - 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=3792A2E498ABE280F489BA10D38849C5 --mojo-platform-channel-handle=1944 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4200
- - 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=FCC11475B5100AB1DF63E0362C02F01D --mojo-platform-channel-handle=2364 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1012
- - 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=C13961D29E9A1F5DE3D2854247E3ECE8 --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=4 --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=C13961D29E9A1F5DE3D2854247E3ECE8 --renderer-client-id=8 --mojo-platform-channel-handle=2396 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2200

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1616

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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
64KB

MD5
ed1a6aa78bb257ac73b95fb7f8c33bfb

SHA1
f568f68697d397229803028e7249243dbb609fd3

SHA256
5015f1fb1d393e53f3af37902e997dc55ddeb61b993deed5b6f67391c76fa807

SHA512
9e516caed8072637931a5919dbb51994ae410d9e3e809a036a407f56b0feaa8093e3ba5cc4f6f9f38326c9f2f27b3da60496f56c0505fc9b5bdfe557baf5140c

Download Submit
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