df383e0b521f971498263b96c4b40646e090927d350e9fa5d79b3ee507ec3ead

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
05/03/2024, 08:03

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General

Target

b43575eb919887837d3fdc7e18cbae7f.pdf
Size

64KB
MD5

b43575eb919887837d3fdc7e18cbae7f
SHA1

b411b5886f62fb741764b8f17d56f78d8571e9a0
SHA256

df383e0b521f971498263b96c4b40646e090927d350e9fa5d79b3ee507ec3ead
SHA512

7c7e4f5b1caeb427a213fc3ff2238dcb3e5a0076ac171ac92a8a7b4912014f183401cf959a6497ab0562ade43bd1f43c70dfa21fee1eee7ba3299e408a710cd8
SSDEEP

1536:i+cUexPMJwX6yRkwFhVXBRRAwEz3htddBbFgb46aUVQDnUgYDi:5wPAY6EVXlAwK3hLd7gUp7DBr

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-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
696	AcroRd32.exe
696	AcroRd32.exe
696	AcroRd32.exe
696	AcroRd32.exe
696	AcroRd32.exe
696	AcroRd32.exe
696	AcroRd32.exe
696	AcroRd32.exe
696	AcroRd32.exe
696	AcroRd32.exe
696	AcroRd32.exe
696	AcroRd32.exe
696	AcroRd32.exe
696	AcroRd32.exe
696	AcroRd32.exe
696	AcroRd32.exe
696	AcroRd32.exe
696	AcroRd32.exe
696	AcroRd32.exe
696	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
696	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
696	AcroRd32.exe
696	AcroRd32.exe
696	AcroRd32.exe
696	AcroRd32.exe
696	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 696 wrote to memory of 1584	696	AcroRd32.exe	95
PID 696 wrote to memory of 1584	696	AcroRd32.exe	95
PID 696 wrote to memory of 1584	696	AcroRd32.exe	95
PID 1584 wrote to memory of 1524	1584	RdrCEF.exe	98
PID 1584 wrote to memory of 1524	1584	RdrCEF.exe	98
PID 1584 wrote to memory of 1524	1584	RdrCEF.exe	98
PID 1584 wrote to memory of 1524	1584	RdrCEF.exe	98
PID 1584 wrote to memory of 1524	1584	RdrCEF.exe	98
PID 1584 wrote to memory of 1524	1584	RdrCEF.exe	98
PID 1584 wrote to memory of 1524	1584	RdrCEF.exe	98
PID 1584 wrote to memory of 1524	1584	RdrCEF.exe	98
PID 1584 wrote to memory of 1524	1584	RdrCEF.exe	98
PID 1584 wrote to memory of 1524	1584	RdrCEF.exe	98
PID 1584 wrote to memory of 1524	1584	RdrCEF.exe	98
PID 1584 wrote to memory of 1524	1584	RdrCEF.exe	98
PID 1584 wrote to memory of 1524	1584	RdrCEF.exe	98
PID 1584 wrote to memory of 1524	1584	RdrCEF.exe	98
PID 1584 wrote to memory of 1524	1584	RdrCEF.exe	98
PID 1584 wrote to memory of 1524	1584	RdrCEF.exe	98
PID 1584 wrote to memory of 1524	1584	RdrCEF.exe	98
PID 1584 wrote to memory of 1524	1584	RdrCEF.exe	98
PID 1584 wrote to memory of 1524	1584	RdrCEF.exe	98
PID 1584 wrote to memory of 1524	1584	RdrCEF.exe	98
PID 1584 wrote to memory of 1524	1584	RdrCEF.exe	98
PID 1584 wrote to memory of 1524	1584	RdrCEF.exe	98
PID 1584 wrote to memory of 1524	1584	RdrCEF.exe	98
PID 1584 wrote to memory of 1524	1584	RdrCEF.exe	98
PID 1584 wrote to memory of 1524	1584	RdrCEF.exe	98
PID 1584 wrote to memory of 1524	1584	RdrCEF.exe	98
PID 1584 wrote to memory of 1524	1584	RdrCEF.exe	98
PID 1584 wrote to memory of 1524	1584	RdrCEF.exe	98
PID 1584 wrote to memory of 1524	1584	RdrCEF.exe	98
PID 1584 wrote to memory of 1524	1584	RdrCEF.exe	98
PID 1584 wrote to memory of 1524	1584	RdrCEF.exe	98
PID 1584 wrote to memory of 1524	1584	RdrCEF.exe	98
PID 1584 wrote to memory of 1524	1584	RdrCEF.exe	98
PID 1584 wrote to memory of 1524	1584	RdrCEF.exe	98
PID 1584 wrote to memory of 1524	1584	RdrCEF.exe	98
PID 1584 wrote to memory of 1524	1584	RdrCEF.exe	98
PID 1584 wrote to memory of 1524	1584	RdrCEF.exe	98
PID 1584 wrote to memory of 1524	1584	RdrCEF.exe	98
PID 1584 wrote to memory of 1524	1584	RdrCEF.exe	98
PID 1584 wrote to memory of 1524	1584	RdrCEF.exe	98
PID 1584 wrote to memory of 1524	1584	RdrCEF.exe	98
PID 1584 wrote to memory of 1288	1584	RdrCEF.exe	99
PID 1584 wrote to memory of 1288	1584	RdrCEF.exe	99
PID 1584 wrote to memory of 1288	1584	RdrCEF.exe	99
PID 1584 wrote to memory of 1288	1584	RdrCEF.exe	99
PID 1584 wrote to memory of 1288	1584	RdrCEF.exe	99
PID 1584 wrote to memory of 1288	1584	RdrCEF.exe	99
PID 1584 wrote to memory of 1288	1584	RdrCEF.exe	99
PID 1584 wrote to memory of 1288	1584	RdrCEF.exe	99
PID 1584 wrote to memory of 1288	1584	RdrCEF.exe	99
PID 1584 wrote to memory of 1288	1584	RdrCEF.exe	99
PID 1584 wrote to memory of 1288	1584	RdrCEF.exe	99
PID 1584 wrote to memory of 1288	1584	RdrCEF.exe	99
PID 1584 wrote to memory of 1288	1584	RdrCEF.exe	99
PID 1584 wrote to memory of 1288	1584	RdrCEF.exe	99
PID 1584 wrote to memory of 1288	1584	RdrCEF.exe	99
PID 1584 wrote to memory of 1288	1584	RdrCEF.exe	99
PID 1584 wrote to memory of 1288	1584	RdrCEF.exe	99
PID 1584 wrote to memory of 1288	1584	RdrCEF.exe	99
PID 1584 wrote to memory of 1288	1584	RdrCEF.exe	99
PID 1584 wrote to memory of 1288	1584	RdrCEF.exe	99

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\b43575eb919887837d3fdc7e18cbae7f.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:696
- 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:1584
- - 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=670CF5DC9CB7918C9AB181DB1C5263B0 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1524
- - 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=CBDBDB817849FF3D9733165BD2081D3B --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=CBDBDB817849FF3D9733165BD2081D3B --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1288
- - 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=8ABE5C3915DE602FD01394DB7BD27627 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1348
- - 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=5E168BDC658DB9101B109348707EBBD6 --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=5E168BDC658DB9101B109348707EBBD6 --renderer-client-id=5 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4624
- - 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=E3E97AEB86FAD0841A51D0AEE785A497 --mojo-platform-channel-handle=2560 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3044
- - 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=2125AD6955B619834323B65101F86535 --mojo-platform-channel-handle=2784 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4044

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4844

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
5cf0019b7942c486cc85edb54422ccee

SHA1
323fb1869e261d0de93109bc676b1dee49b20558

SHA256
08c472f79d407ef1b1775cfe47c5ed842a385f85ba1e813accb4112a461fbf19

SHA512
d5776e3604fb46e0c262112f7475a53ff1a4aae8ec03cb7e3c01e64c5059ac65f0b33c10b6f009d42e695065655152dac041d3434789f669e79d6c10b401c490

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