3c4dd955e3f06e029c262971a584f9e3378a6d2cf7b5b51e9ae70349d579172e

Analysis

max time kernel
149s
max time network
151s
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 07:29

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General

Target

cd78a7f3f86f8391fa1c1303700dafc1.pdf
Size

74KB
MD5

cd78a7f3f86f8391fa1c1303700dafc1
SHA1

fb441845479b210d1fc4da4dab0cc557b37c00db
SHA256

3c4dd955e3f06e029c262971a584f9e3378a6d2cf7b5b51e9ae70349d579172e
SHA512

15bdde0bda801458e823c93833a61985abcbb077cf02ada5e4e4a43e55eb02b8f2351251750780d5372d2347b550dcec61a46616ad9df00da44bc9adacdec148
SSDEEP

1536:Dlzso8fAesUv5yqrZbU5fD85GpjOt0DoWX1OKGvjRR:BzPesUvdbEvpjOt0DP8Xbn

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-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2028	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2028 wrote to memory of 4996	2028	AcroRd32.exe	96
PID 2028 wrote to memory of 4996	2028	AcroRd32.exe	96
PID 2028 wrote to memory of 4996	2028	AcroRd32.exe	96
PID 4996 wrote to memory of 4632	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 4632	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 4632	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 4632	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 4632	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 4632	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 4632	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 4632	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 4632	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 4632	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 4632	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 4632	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 4632	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 4632	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 4632	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 4632	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 4632	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 4632	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 4632	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 4632	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 4632	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 4632	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 4632	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 4632	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 4632	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 4632	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 4632	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 4632	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 4632	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 4632	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 4632	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 4632	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 4632	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 4632	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 4632	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 4632	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 4632	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 4632	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 4632	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 4632	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 4632	4996	RdrCEF.exe	97
PID 4996 wrote to memory of 1572	4996	RdrCEF.exe	98
PID 4996 wrote to memory of 1572	4996	RdrCEF.exe	98
PID 4996 wrote to memory of 1572	4996	RdrCEF.exe	98
PID 4996 wrote to memory of 1572	4996	RdrCEF.exe	98
PID 4996 wrote to memory of 1572	4996	RdrCEF.exe	98
PID 4996 wrote to memory of 1572	4996	RdrCEF.exe	98
PID 4996 wrote to memory of 1572	4996	RdrCEF.exe	98
PID 4996 wrote to memory of 1572	4996	RdrCEF.exe	98
PID 4996 wrote to memory of 1572	4996	RdrCEF.exe	98
PID 4996 wrote to memory of 1572	4996	RdrCEF.exe	98
PID 4996 wrote to memory of 1572	4996	RdrCEF.exe	98
PID 4996 wrote to memory of 1572	4996	RdrCEF.exe	98
PID 4996 wrote to memory of 1572	4996	RdrCEF.exe	98
PID 4996 wrote to memory of 1572	4996	RdrCEF.exe	98
PID 4996 wrote to memory of 1572	4996	RdrCEF.exe	98
PID 4996 wrote to memory of 1572	4996	RdrCEF.exe	98
PID 4996 wrote to memory of 1572	4996	RdrCEF.exe	98
PID 4996 wrote to memory of 1572	4996	RdrCEF.exe	98
PID 4996 wrote to memory of 1572	4996	RdrCEF.exe	98
PID 4996 wrote to memory of 1572	4996	RdrCEF.exe	98

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\cd78a7f3f86f8391fa1c1303700dafc1.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:2028
- 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:4996
- - 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=F4D6447055E8848A35786CBC4A75D069 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4632
- - 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=495737AA8710F63405DF4D74EBD19558 --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=495737AA8710F63405DF4D74EBD19558 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1572
- - 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=E1CBD3EF98C34C3EAD1A42435D549FD3 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3000
- - 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=8047365DAB335D512A2180FCCED8ACCF --mojo-platform-channel-handle=1920 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2684
- - 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=23BC8778CCF99652D0E144F367B5CB0C --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=23BC8778CCF99652D0E144F367B5CB0C --renderer-client-id=6 --mojo-platform-channel-handle=2436 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1952
- - 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=92AA48E347F0B3887F5A73499CE3F562 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4148

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
902d0993ca01d593ac62431050cb8023

SHA1
340bc6f10653606242340e4a0ea36994a8ec9101

SHA256
cb98e1c2615bd6894487541748321913e2d7ab76d1d43f969f30a6a6e084d4ef

SHA512
bd4b089f4a62d72bcc8ad13de698186fba6124fcca22ce60ec47506d9bf55d0a99fee3dc2123e8054c47d4d1bdacb51ec2472dca9ae47f7a77c576072cf7377f

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