fdbfd4fb2d4a2715238eb06fa3a7d8ef926576e608485271345267a39e5070f4

Analysis

max time kernel
150s
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
06/03/2024, 05:52

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General

Target

b6aabdc85f9321296a2d265f3efde9c4.pdf
Size

83KB
MD5

b6aabdc85f9321296a2d265f3efde9c4
SHA1

fb32da8e18b962e6727b78879784d027b0b9d93f
SHA256

fdbfd4fb2d4a2715238eb06fa3a7d8ef926576e608485271345267a39e5070f4
SHA512

e3a463c4928228025bfac225ed75653da1a707207e02cae6c255dc51c3a764bb40336d15e0e71b4ac1f77bb62e027cadabc7bc04ebe33eedec077966fcc3e95d
SSDEEP

1536:08lRcSpTbSQ0M5ho3vCDYHPcBa3o7an1O2EEYO9iQtWtnUV6VEYrsThZWOpOwr9i:1XTVbPxo3KkveIo7a1pEEzyUsEYs9WwM

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
3804	AcroRd32.exe
3804	AcroRd32.exe
3804	AcroRd32.exe
3804	AcroRd32.exe
3804	AcroRd32.exe
3804	AcroRd32.exe
3804	AcroRd32.exe
3804	AcroRd32.exe
3804	AcroRd32.exe
3804	AcroRd32.exe
3804	AcroRd32.exe
3804	AcroRd32.exe
3804	AcroRd32.exe
3804	AcroRd32.exe
3804	AcroRd32.exe
3804	AcroRd32.exe
3804	AcroRd32.exe
3804	AcroRd32.exe
3804	AcroRd32.exe
3804	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3804	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3804	AcroRd32.exe
3804	AcroRd32.exe
3804	AcroRd32.exe
3804	AcroRd32.exe
3804	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3804 wrote to memory of 1928	3804	AcroRd32.exe	92
PID 3804 wrote to memory of 1928	3804	AcroRd32.exe	92
PID 3804 wrote to memory of 1928	3804	AcroRd32.exe	92
PID 1928 wrote to memory of 2356	1928	RdrCEF.exe	93
PID 1928 wrote to memory of 2356	1928	RdrCEF.exe	93
PID 1928 wrote to memory of 2356	1928	RdrCEF.exe	93
PID 1928 wrote to memory of 2356	1928	RdrCEF.exe	93
PID 1928 wrote to memory of 2356	1928	RdrCEF.exe	93
PID 1928 wrote to memory of 2356	1928	RdrCEF.exe	93
PID 1928 wrote to memory of 2356	1928	RdrCEF.exe	93
PID 1928 wrote to memory of 2356	1928	RdrCEF.exe	93
PID 1928 wrote to memory of 2356	1928	RdrCEF.exe	93
PID 1928 wrote to memory of 2356	1928	RdrCEF.exe	93
PID 1928 wrote to memory of 2356	1928	RdrCEF.exe	93
PID 1928 wrote to memory of 2356	1928	RdrCEF.exe	93
PID 1928 wrote to memory of 2356	1928	RdrCEF.exe	93
PID 1928 wrote to memory of 2356	1928	RdrCEF.exe	93
PID 1928 wrote to memory of 2356	1928	RdrCEF.exe	93
PID 1928 wrote to memory of 2356	1928	RdrCEF.exe	93
PID 1928 wrote to memory of 2356	1928	RdrCEF.exe	93
PID 1928 wrote to memory of 2356	1928	RdrCEF.exe	93
PID 1928 wrote to memory of 2356	1928	RdrCEF.exe	93
PID 1928 wrote to memory of 2356	1928	RdrCEF.exe	93
PID 1928 wrote to memory of 2356	1928	RdrCEF.exe	93
PID 1928 wrote to memory of 2356	1928	RdrCEF.exe	93
PID 1928 wrote to memory of 2356	1928	RdrCEF.exe	93
PID 1928 wrote to memory of 2356	1928	RdrCEF.exe	93
PID 1928 wrote to memory of 2356	1928	RdrCEF.exe	93
PID 1928 wrote to memory of 2356	1928	RdrCEF.exe	93
PID 1928 wrote to memory of 2356	1928	RdrCEF.exe	93
PID 1928 wrote to memory of 2356	1928	RdrCEF.exe	93
PID 1928 wrote to memory of 2356	1928	RdrCEF.exe	93
PID 1928 wrote to memory of 2356	1928	RdrCEF.exe	93
PID 1928 wrote to memory of 2356	1928	RdrCEF.exe	93
PID 1928 wrote to memory of 2356	1928	RdrCEF.exe	93
PID 1928 wrote to memory of 2356	1928	RdrCEF.exe	93
PID 1928 wrote to memory of 2356	1928	RdrCEF.exe	93
PID 1928 wrote to memory of 2356	1928	RdrCEF.exe	93
PID 1928 wrote to memory of 2356	1928	RdrCEF.exe	93
PID 1928 wrote to memory of 2356	1928	RdrCEF.exe	93
PID 1928 wrote to memory of 2356	1928	RdrCEF.exe	93
PID 1928 wrote to memory of 2356	1928	RdrCEF.exe	93
PID 1928 wrote to memory of 2356	1928	RdrCEF.exe	93
PID 1928 wrote to memory of 2356	1928	RdrCEF.exe	93
PID 1928 wrote to memory of 3672	1928	RdrCEF.exe	94
PID 1928 wrote to memory of 3672	1928	RdrCEF.exe	94
PID 1928 wrote to memory of 3672	1928	RdrCEF.exe	94
PID 1928 wrote to memory of 3672	1928	RdrCEF.exe	94
PID 1928 wrote to memory of 3672	1928	RdrCEF.exe	94
PID 1928 wrote to memory of 3672	1928	RdrCEF.exe	94
PID 1928 wrote to memory of 3672	1928	RdrCEF.exe	94
PID 1928 wrote to memory of 3672	1928	RdrCEF.exe	94
PID 1928 wrote to memory of 3672	1928	RdrCEF.exe	94
PID 1928 wrote to memory of 3672	1928	RdrCEF.exe	94
PID 1928 wrote to memory of 3672	1928	RdrCEF.exe	94
PID 1928 wrote to memory of 3672	1928	RdrCEF.exe	94
PID 1928 wrote to memory of 3672	1928	RdrCEF.exe	94
PID 1928 wrote to memory of 3672	1928	RdrCEF.exe	94
PID 1928 wrote to memory of 3672	1928	RdrCEF.exe	94
PID 1928 wrote to memory of 3672	1928	RdrCEF.exe	94
PID 1928 wrote to memory of 3672	1928	RdrCEF.exe	94
PID 1928 wrote to memory of 3672	1928	RdrCEF.exe	94
PID 1928 wrote to memory of 3672	1928	RdrCEF.exe	94
PID 1928 wrote to memory of 3672	1928	RdrCEF.exe	94

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\b6aabdc85f9321296a2d265f3efde9c4.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:3804
- 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:1928
- - 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=5FDDA7EE4C21FB3F4BF1E6CE5497CA57 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2356
- - 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=F7507E3BA1AAF307571024996BFABB9B --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=F7507E3BA1AAF307571024996BFABB9B --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3672
- - 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=FA78976926BB5CDD371CF224D1C40DE3 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:528
- - 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=C45911B9530BB988A5814EA3009A00C1 --mojo-platform-channel-handle=2280 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4756
- - 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=F022CFA31C2B2EAF7399157ABB756EF1 --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=F022CFA31C2B2EAF7399157ABB756EF1 --renderer-client-id=6 --mojo-platform-channel-handle=2416 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2008
- - 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=38267E8C99BDABBD6C30C20354CAEE5A --mojo-platform-channel-handle=2536 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4692

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4300

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
d7458c1a04d09aa11c0f750a637140f9

SHA1
bdbb30fe41919ddfdbc21dd66c58f345883cc3ba

SHA256
09c579705f47fb07ed24005fa93dbc671534d22f8aab3f620ab08f098c0af342

SHA512
22e41edf77a916789d83c85c7e9b7136bca1f1f9a06fc7c60533847ba417e3e45cc54ea5c1eb76d0453f90682312fcfc76a40778d49a605d68209d590036a330

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