40c19bca33b9d140e5cd0363d2af73bd88447896567efd2b88d913e5743296af

Analysis

max time kernel
141s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25/01/2024, 09:21

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General

Target

7451ddefd80b5e20b21758cec9a9ceef.pdf
Size

36KB
MD5

7451ddefd80b5e20b21758cec9a9ceef
SHA1

8bbde602ef79a384d464da49d3b80d2f4a85ff11
SHA256

40c19bca33b9d140e5cd0363d2af73bd88447896567efd2b88d913e5743296af
SHA512

8078d4e961154835f8478e525dc314f41e0e86b93e189d1226409422f4822f30ea9e20b06bc119c294017aab68ba2306933280745ed68b77c8c95b55b38cb3cf
SSDEEP

768:zPQgJzFrTmZsTVacWvde9DMga2ZWCbcmE:z4KBTmhcMk1MJ2PYmE

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4024	AcroRd32.exe
4024	AcroRd32.exe
4024	AcroRd32.exe
4024	AcroRd32.exe
4024	AcroRd32.exe
4024	AcroRd32.exe
4024	AcroRd32.exe
4024	AcroRd32.exe
4024	AcroRd32.exe
4024	AcroRd32.exe
4024	AcroRd32.exe
4024	AcroRd32.exe
4024	AcroRd32.exe
4024	AcroRd32.exe
4024	AcroRd32.exe
4024	AcroRd32.exe
4024	AcroRd32.exe
4024	AcroRd32.exe
4024	AcroRd32.exe
4024	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4024	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4024	AcroRd32.exe
4024	AcroRd32.exe
4024	AcroRd32.exe
4024	AcroRd32.exe
4024	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4024 wrote to memory of 5088	4024	AcroRd32.exe	92
PID 4024 wrote to memory of 5088	4024	AcroRd32.exe	92
PID 4024 wrote to memory of 5088	4024	AcroRd32.exe	92
PID 5088 wrote to memory of 3616	5088	RdrCEF.exe	95
PID 5088 wrote to memory of 3616	5088	RdrCEF.exe	95
PID 5088 wrote to memory of 3616	5088	RdrCEF.exe	95
PID 5088 wrote to memory of 3616	5088	RdrCEF.exe	95
PID 5088 wrote to memory of 3616	5088	RdrCEF.exe	95
PID 5088 wrote to memory of 3616	5088	RdrCEF.exe	95
PID 5088 wrote to memory of 3616	5088	RdrCEF.exe	95
PID 5088 wrote to memory of 3616	5088	RdrCEF.exe	95
PID 5088 wrote to memory of 3616	5088	RdrCEF.exe	95
PID 5088 wrote to memory of 3616	5088	RdrCEF.exe	95
PID 5088 wrote to memory of 3616	5088	RdrCEF.exe	95
PID 5088 wrote to memory of 3616	5088	RdrCEF.exe	95
PID 5088 wrote to memory of 3616	5088	RdrCEF.exe	95
PID 5088 wrote to memory of 3616	5088	RdrCEF.exe	95
PID 5088 wrote to memory of 3616	5088	RdrCEF.exe	95
PID 5088 wrote to memory of 3616	5088	RdrCEF.exe	95
PID 5088 wrote to memory of 3616	5088	RdrCEF.exe	95
PID 5088 wrote to memory of 3616	5088	RdrCEF.exe	95
PID 5088 wrote to memory of 3616	5088	RdrCEF.exe	95
PID 5088 wrote to memory of 3616	5088	RdrCEF.exe	95
PID 5088 wrote to memory of 3616	5088	RdrCEF.exe	95
PID 5088 wrote to memory of 3616	5088	RdrCEF.exe	95
PID 5088 wrote to memory of 3616	5088	RdrCEF.exe	95
PID 5088 wrote to memory of 3616	5088	RdrCEF.exe	95
PID 5088 wrote to memory of 3616	5088	RdrCEF.exe	95
PID 5088 wrote to memory of 3616	5088	RdrCEF.exe	95
PID 5088 wrote to memory of 3616	5088	RdrCEF.exe	95
PID 5088 wrote to memory of 3616	5088	RdrCEF.exe	95
PID 5088 wrote to memory of 3616	5088	RdrCEF.exe	95
PID 5088 wrote to memory of 3616	5088	RdrCEF.exe	95
PID 5088 wrote to memory of 3616	5088	RdrCEF.exe	95
PID 5088 wrote to memory of 3616	5088	RdrCEF.exe	95
PID 5088 wrote to memory of 3616	5088	RdrCEF.exe	95
PID 5088 wrote to memory of 3616	5088	RdrCEF.exe	95
PID 5088 wrote to memory of 3616	5088	RdrCEF.exe	95
PID 5088 wrote to memory of 3616	5088	RdrCEF.exe	95
PID 5088 wrote to memory of 3616	5088	RdrCEF.exe	95
PID 5088 wrote to memory of 3616	5088	RdrCEF.exe	95
PID 5088 wrote to memory of 3616	5088	RdrCEF.exe	95
PID 5088 wrote to memory of 3616	5088	RdrCEF.exe	95
PID 5088 wrote to memory of 3616	5088	RdrCEF.exe	95
PID 5088 wrote to memory of 4216	5088	RdrCEF.exe	96
PID 5088 wrote to memory of 4216	5088	RdrCEF.exe	96
PID 5088 wrote to memory of 4216	5088	RdrCEF.exe	96
PID 5088 wrote to memory of 4216	5088	RdrCEF.exe	96
PID 5088 wrote to memory of 4216	5088	RdrCEF.exe	96
PID 5088 wrote to memory of 4216	5088	RdrCEF.exe	96
PID 5088 wrote to memory of 4216	5088	RdrCEF.exe	96
PID 5088 wrote to memory of 4216	5088	RdrCEF.exe	96
PID 5088 wrote to memory of 4216	5088	RdrCEF.exe	96
PID 5088 wrote to memory of 4216	5088	RdrCEF.exe	96
PID 5088 wrote to memory of 4216	5088	RdrCEF.exe	96
PID 5088 wrote to memory of 4216	5088	RdrCEF.exe	96
PID 5088 wrote to memory of 4216	5088	RdrCEF.exe	96
PID 5088 wrote to memory of 4216	5088	RdrCEF.exe	96
PID 5088 wrote to memory of 4216	5088	RdrCEF.exe	96
PID 5088 wrote to memory of 4216	5088	RdrCEF.exe	96
PID 5088 wrote to memory of 4216	5088	RdrCEF.exe	96
PID 5088 wrote to memory of 4216	5088	RdrCEF.exe	96
PID 5088 wrote to memory of 4216	5088	RdrCEF.exe	96
PID 5088 wrote to memory of 4216	5088	RdrCEF.exe	96

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\7451ddefd80b5e20b21758cec9a9ceef.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:4024
- 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:5088
- - 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=BB9E5F89D61B447E9E9BEE7B59959A44 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3616
- - 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=EF186C1F60464FDF7FD9C78F7D5042A8 --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=EF186C1F60464FDF7FD9C78F7D5042A8 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4216
- - 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=E7CE491C2439CB8CD7192C91537AE3C6 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3552
- - 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=9640505FD4D6294A90AC21F875D9944A --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5036
- - 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=2CD3F0992DE052DD8A44E1D2C075B8C2 --mojo-platform-channel-handle=2488 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3140
- - 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=AB0DCD272CBAC2319C62681B6A08E1E1 --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=AB0DCD272CBAC2319C62681B6A08E1E1 --renderer-client-id=7 --mojo-platform-channel-handle=2420 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4832

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

Loading Replay Monitor...

Downloads

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

Filesize
64KB

MD5
c6019491fa8dab0e7f51cd66aaaf8112

SHA1
6a0aa96f148ec47c3fa349d0a9382f71676d65f0

SHA256
c530a7fdd6677e77d353c393864871489363d44e3aa8f60ba8148c2cb170bb2f

SHA512
286ada68a8f8f8d4c6a7b27bd541cd6b3ddadc0762ce1555fa658cc999bbf328ba17400a910945b28f3786d21444717ad53f6645b1c1abf3db202a0f94082910

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