f308208709bb6480de2f56987866dacfc57e34782202b4e119e1ee594caf53d0

Analysis

max time kernel
153s
max time network
162s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
05/01/2024, 07:46

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General

Target

43243f101418a2b00e2029a61b6d31d0.pdf
Size

73KB
MD5

43243f101418a2b00e2029a61b6d31d0
SHA1

bd641786c567554af5bd0f212c3f86c9766248c7
SHA256

f308208709bb6480de2f56987866dacfc57e34782202b4e119e1ee594caf53d0
SHA512

1efb855659fd634b3a5991730dde5ee7f451b36fca6266069c7258c0ed80ee6e8a0b5f65bcaeb4a7757ea122a29d5785f89ae3da8ef55474b1c83d35be6f7f0d
SSDEEP

1536:zMJjnPMXoYQ+FEQajn7P8dVN78o8rxxD/hZgcUXF7m5OFPY07dzeQ2pxb2vTua:5TQKZarzYVBqxxjDgc6kIPYCdiQ2/Of

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3220	AcroRd32.exe
3220	AcroRd32.exe
3220	AcroRd32.exe
3220	AcroRd32.exe
3220	AcroRd32.exe
3220	AcroRd32.exe
3220	AcroRd32.exe
3220	AcroRd32.exe
3220	AcroRd32.exe
3220	AcroRd32.exe
3220	AcroRd32.exe
3220	AcroRd32.exe
3220	AcroRd32.exe
3220	AcroRd32.exe
3220	AcroRd32.exe
3220	AcroRd32.exe
3220	AcroRd32.exe
3220	AcroRd32.exe
3220	AcroRd32.exe
3220	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3220	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3220	AcroRd32.exe
3220	AcroRd32.exe
3220	AcroRd32.exe
3220	AcroRd32.exe
3220	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3220 wrote to memory of 820	3220	AcroRd32.exe	93
PID 3220 wrote to memory of 820	3220	AcroRd32.exe	93
PID 3220 wrote to memory of 820	3220	AcroRd32.exe	93
PID 820 wrote to memory of 3520	820	RdrCEF.exe	97
PID 820 wrote to memory of 3520	820	RdrCEF.exe	97
PID 820 wrote to memory of 3520	820	RdrCEF.exe	97
PID 820 wrote to memory of 3520	820	RdrCEF.exe	97
PID 820 wrote to memory of 3520	820	RdrCEF.exe	97
PID 820 wrote to memory of 3520	820	RdrCEF.exe	97
PID 820 wrote to memory of 3520	820	RdrCEF.exe	97
PID 820 wrote to memory of 3520	820	RdrCEF.exe	97
PID 820 wrote to memory of 3520	820	RdrCEF.exe	97
PID 820 wrote to memory of 3520	820	RdrCEF.exe	97
PID 820 wrote to memory of 3520	820	RdrCEF.exe	97
PID 820 wrote to memory of 3520	820	RdrCEF.exe	97
PID 820 wrote to memory of 3520	820	RdrCEF.exe	97
PID 820 wrote to memory of 3520	820	RdrCEF.exe	97
PID 820 wrote to memory of 3520	820	RdrCEF.exe	97
PID 820 wrote to memory of 3520	820	RdrCEF.exe	97
PID 820 wrote to memory of 3520	820	RdrCEF.exe	97
PID 820 wrote to memory of 3520	820	RdrCEF.exe	97
PID 820 wrote to memory of 3520	820	RdrCEF.exe	97
PID 820 wrote to memory of 3520	820	RdrCEF.exe	97
PID 820 wrote to memory of 3520	820	RdrCEF.exe	97
PID 820 wrote to memory of 3520	820	RdrCEF.exe	97
PID 820 wrote to memory of 3520	820	RdrCEF.exe	97
PID 820 wrote to memory of 3520	820	RdrCEF.exe	97
PID 820 wrote to memory of 3520	820	RdrCEF.exe	97
PID 820 wrote to memory of 3520	820	RdrCEF.exe	97
PID 820 wrote to memory of 3520	820	RdrCEF.exe	97
PID 820 wrote to memory of 3520	820	RdrCEF.exe	97
PID 820 wrote to memory of 3520	820	RdrCEF.exe	97
PID 820 wrote to memory of 3520	820	RdrCEF.exe	97
PID 820 wrote to memory of 3520	820	RdrCEF.exe	97
PID 820 wrote to memory of 3520	820	RdrCEF.exe	97
PID 820 wrote to memory of 3520	820	RdrCEF.exe	97
PID 820 wrote to memory of 3520	820	RdrCEF.exe	97
PID 820 wrote to memory of 3520	820	RdrCEF.exe	97
PID 820 wrote to memory of 3520	820	RdrCEF.exe	97
PID 820 wrote to memory of 3520	820	RdrCEF.exe	97
PID 820 wrote to memory of 3520	820	RdrCEF.exe	97
PID 820 wrote to memory of 3520	820	RdrCEF.exe	97
PID 820 wrote to memory of 3520	820	RdrCEF.exe	97
PID 820 wrote to memory of 3520	820	RdrCEF.exe	97
PID 820 wrote to memory of 1284	820	RdrCEF.exe	98
PID 820 wrote to memory of 1284	820	RdrCEF.exe	98
PID 820 wrote to memory of 1284	820	RdrCEF.exe	98
PID 820 wrote to memory of 1284	820	RdrCEF.exe	98
PID 820 wrote to memory of 1284	820	RdrCEF.exe	98
PID 820 wrote to memory of 1284	820	RdrCEF.exe	98
PID 820 wrote to memory of 1284	820	RdrCEF.exe	98
PID 820 wrote to memory of 1284	820	RdrCEF.exe	98
PID 820 wrote to memory of 1284	820	RdrCEF.exe	98
PID 820 wrote to memory of 1284	820	RdrCEF.exe	98
PID 820 wrote to memory of 1284	820	RdrCEF.exe	98
PID 820 wrote to memory of 1284	820	RdrCEF.exe	98
PID 820 wrote to memory of 1284	820	RdrCEF.exe	98
PID 820 wrote to memory of 1284	820	RdrCEF.exe	98
PID 820 wrote to memory of 1284	820	RdrCEF.exe	98
PID 820 wrote to memory of 1284	820	RdrCEF.exe	98
PID 820 wrote to memory of 1284	820	RdrCEF.exe	98
PID 820 wrote to memory of 1284	820	RdrCEF.exe	98
PID 820 wrote to memory of 1284	820	RdrCEF.exe	98
PID 820 wrote to memory of 1284	820	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\43243f101418a2b00e2029a61b6d31d0.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:3220
- 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:820
- - 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=44F7E55D26591256DD373FCB335BD86B --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3520
- - 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=B7E51E733AD76CCAAFA1185957B5B62B --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=B7E51E733AD76CCAAFA1185957B5B62B --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1284
- - 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=38C7728CB64E1B97B396D96FBD5D53EC --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=38C7728CB64E1B97B396D96FBD5D53EC --renderer-client-id=4 --mojo-platform-channel-handle=2164 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1504
- - 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=61678E4023DCD17FC282D6DDEC41D0D8 --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3808
- - 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=9B3E0F82F5015D15DD57E8C593CEE15F --mojo-platform-channel-handle=2592 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5104
- - 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=36816CEEC787F996202A2BB2CC5364D5 --mojo-platform-channel-handle=2692 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4688

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

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Downloads

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

Filesize
64KB

MD5
83b5d30ec2c3dbc80b1d22436b6dd476

SHA1
4cd1c114e1637fee4cbf4aa71c68cedc86449159

SHA256
0b8c79dbdf1353f46c1b20e85fb950c568ec428f8992211620980c8a40cf8dba

SHA512
dd16f9ce6038abcfe3cb026ccc00652ef335b45ee01f4fac7083387662bc5c8d8e8bf20bc0c8c4d5145e8e8a735ed10b13a51d97f9b722b92bff730e48ec74ad

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