0a389863c3670a17a307846290fae48ed860f2aa40745c7b8217abba8c32ce68

Analysis

max time kernel
142s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
15/03/2024, 06:05

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General

Target

caab5cce3fe820f2e05fcaebb5b9de1d.pdf
Size

87KB
MD5

caab5cce3fe820f2e05fcaebb5b9de1d
SHA1

709c7920f5041a83c6bb5aa0352261cc08c91168
SHA256

0a389863c3670a17a307846290fae48ed860f2aa40745c7b8217abba8c32ce68
SHA512

10648c1613d6d5bae136ab8d11765814d1bcce4ede44ebc63e61141788a45b6dbe963ac69730c6339b04ebbe30dba773cc6f56bec544af728e64d7f705596866
SSDEEP

1536:dltw2hz0qqyVukS40rcQcPgf+2C/8iB9cO35tttrWxApOGzWmPwtV4CXmqb:9wJiVuuvPofPC/LDcY03G6VJL

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-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3456	AcroRd32.exe
3456	AcroRd32.exe
3456	AcroRd32.exe
3456	AcroRd32.exe
3456	AcroRd32.exe
3456	AcroRd32.exe
3456	AcroRd32.exe
3456	AcroRd32.exe
3456	AcroRd32.exe
3456	AcroRd32.exe
3456	AcroRd32.exe
3456	AcroRd32.exe
3456	AcroRd32.exe
3456	AcroRd32.exe
3456	AcroRd32.exe
3456	AcroRd32.exe
3456	AcroRd32.exe
3456	AcroRd32.exe
3456	AcroRd32.exe
3456	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3456	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3456	AcroRd32.exe
3456	AcroRd32.exe
3456	AcroRd32.exe
3456	AcroRd32.exe
3456	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3456 wrote to memory of 1132	3456	AcroRd32.exe	101
PID 3456 wrote to memory of 1132	3456	AcroRd32.exe	101
PID 3456 wrote to memory of 1132	3456	AcroRd32.exe	101
PID 1132 wrote to memory of 4832	1132	RdrCEF.exe	105
PID 1132 wrote to memory of 4832	1132	RdrCEF.exe	105
PID 1132 wrote to memory of 4832	1132	RdrCEF.exe	105
PID 1132 wrote to memory of 4832	1132	RdrCEF.exe	105
PID 1132 wrote to memory of 4832	1132	RdrCEF.exe	105
PID 1132 wrote to memory of 4832	1132	RdrCEF.exe	105
PID 1132 wrote to memory of 4832	1132	RdrCEF.exe	105
PID 1132 wrote to memory of 4832	1132	RdrCEF.exe	105
PID 1132 wrote to memory of 4832	1132	RdrCEF.exe	105
PID 1132 wrote to memory of 4832	1132	RdrCEF.exe	105
PID 1132 wrote to memory of 4832	1132	RdrCEF.exe	105
PID 1132 wrote to memory of 4832	1132	RdrCEF.exe	105
PID 1132 wrote to memory of 4832	1132	RdrCEF.exe	105
PID 1132 wrote to memory of 4832	1132	RdrCEF.exe	105
PID 1132 wrote to memory of 4832	1132	RdrCEF.exe	105
PID 1132 wrote to memory of 4832	1132	RdrCEF.exe	105
PID 1132 wrote to memory of 4832	1132	RdrCEF.exe	105
PID 1132 wrote to memory of 4832	1132	RdrCEF.exe	105
PID 1132 wrote to memory of 4832	1132	RdrCEF.exe	105
PID 1132 wrote to memory of 4832	1132	RdrCEF.exe	105
PID 1132 wrote to memory of 4832	1132	RdrCEF.exe	105
PID 1132 wrote to memory of 4832	1132	RdrCEF.exe	105
PID 1132 wrote to memory of 4832	1132	RdrCEF.exe	105
PID 1132 wrote to memory of 4832	1132	RdrCEF.exe	105
PID 1132 wrote to memory of 4832	1132	RdrCEF.exe	105
PID 1132 wrote to memory of 4832	1132	RdrCEF.exe	105
PID 1132 wrote to memory of 4832	1132	RdrCEF.exe	105
PID 1132 wrote to memory of 4832	1132	RdrCEF.exe	105
PID 1132 wrote to memory of 4832	1132	RdrCEF.exe	105
PID 1132 wrote to memory of 4832	1132	RdrCEF.exe	105
PID 1132 wrote to memory of 4832	1132	RdrCEF.exe	105
PID 1132 wrote to memory of 4832	1132	RdrCEF.exe	105
PID 1132 wrote to memory of 4832	1132	RdrCEF.exe	105
PID 1132 wrote to memory of 4832	1132	RdrCEF.exe	105
PID 1132 wrote to memory of 4832	1132	RdrCEF.exe	105
PID 1132 wrote to memory of 4832	1132	RdrCEF.exe	105
PID 1132 wrote to memory of 4832	1132	RdrCEF.exe	105
PID 1132 wrote to memory of 4832	1132	RdrCEF.exe	105
PID 1132 wrote to memory of 4832	1132	RdrCEF.exe	105
PID 1132 wrote to memory of 4832	1132	RdrCEF.exe	105
PID 1132 wrote to memory of 4832	1132	RdrCEF.exe	105
PID 1132 wrote to memory of 3772	1132	RdrCEF.exe	106
PID 1132 wrote to memory of 3772	1132	RdrCEF.exe	106
PID 1132 wrote to memory of 3772	1132	RdrCEF.exe	106
PID 1132 wrote to memory of 3772	1132	RdrCEF.exe	106
PID 1132 wrote to memory of 3772	1132	RdrCEF.exe	106
PID 1132 wrote to memory of 3772	1132	RdrCEF.exe	106
PID 1132 wrote to memory of 3772	1132	RdrCEF.exe	106
PID 1132 wrote to memory of 3772	1132	RdrCEF.exe	106
PID 1132 wrote to memory of 3772	1132	RdrCEF.exe	106
PID 1132 wrote to memory of 3772	1132	RdrCEF.exe	106
PID 1132 wrote to memory of 3772	1132	RdrCEF.exe	106
PID 1132 wrote to memory of 3772	1132	RdrCEF.exe	106
PID 1132 wrote to memory of 3772	1132	RdrCEF.exe	106
PID 1132 wrote to memory of 3772	1132	RdrCEF.exe	106
PID 1132 wrote to memory of 3772	1132	RdrCEF.exe	106
PID 1132 wrote to memory of 3772	1132	RdrCEF.exe	106
PID 1132 wrote to memory of 3772	1132	RdrCEF.exe	106
PID 1132 wrote to memory of 3772	1132	RdrCEF.exe	106
PID 1132 wrote to memory of 3772	1132	RdrCEF.exe	106
PID 1132 wrote to memory of 3772	1132	RdrCEF.exe	106

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\caab5cce3fe820f2e05fcaebb5b9de1d.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:3456
- 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:1132
- - 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=60F8494D9A4C5F6BC56EF1B5B99F2DEA --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4832
- - 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=65D3C4D93A863D6804C621B087D74EDD --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=65D3C4D93A863D6804C621B087D74EDD --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3772
- - 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=8727406A4DE069B257A019AAC3AF89AC --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=8727406A4DE069B257A019AAC3AF89AC --renderer-client-id=4 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5100
- - 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=15EBB29FC4E412FF70F3750B6C54CBA3 --mojo-platform-channel-handle=2424 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3392
- - 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=A16B590DD18D247D4EA5D53101D5684C --mojo-platform-channel-handle=2592 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5216
- - 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=A0A401BA28D867121B67ADA0247D4629 --mojo-platform-channel-handle=1964 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5308

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3824

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4432 --field-trial-handle=2496,i,15897292497548307209,13920214570023230813,262144 --variations-seed-version /prefetch:8
1⤵
PID:2116

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
9c571a2c05f9fa0016619a52d1039f02

SHA1
c79a1932417612cd1d2e4432c6cab7087b2f189a

SHA256
76ad1e1c400a6bd7ff8fd9bc62002ffb3d9efe786ff102890203f7859512ce29

SHA512
4369c560e5e59760aeaa08ad12243acbe833fbae87243f3f9bb1ccb36037cf5b89a5f1e57d31dd1fe1bef9398787404cb5d6fe98b37df23929f6bdfc16e28177

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