daf9148ceec2829007ea408e86227a6a6df430fe38b6df059c7b8a243767b393

Analysis

max time kernel
144s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
14/02/2024, 01:42

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General

Target

9a71e34ab6e7a918064b374ffd3523f3.pdf
Size

123KB
MD5

9a71e34ab6e7a918064b374ffd3523f3
SHA1

c6fb148974443fe333b542192013c4812575f359
SHA256

daf9148ceec2829007ea408e86227a6a6df430fe38b6df059c7b8a243767b393
SHA512

f19e2b87505a0d6af3d12af32c50fa86d6cbcc161f7961d714dedd057ad636e9cf6275a57cee6bf7b54dc7a6c3f23b000bba330ec029e7efc5b40788e077ec7a
SSDEEP

3072:H1nHFvYII38dLCEApEwd7X1N5JR+C/LDijmE:HnvYIIshop9dbF+tj5

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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
636	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 636 wrote to memory of 1252	636	AcroRd32.exe	85
PID 636 wrote to memory of 1252	636	AcroRd32.exe	85
PID 636 wrote to memory of 1252	636	AcroRd32.exe	85
PID 1252 wrote to memory of 4128	1252	RdrCEF.exe	86
PID 1252 wrote to memory of 4128	1252	RdrCEF.exe	86
PID 1252 wrote to memory of 4128	1252	RdrCEF.exe	86
PID 1252 wrote to memory of 4128	1252	RdrCEF.exe	86
PID 1252 wrote to memory of 4128	1252	RdrCEF.exe	86
PID 1252 wrote to memory of 4128	1252	RdrCEF.exe	86
PID 1252 wrote to memory of 4128	1252	RdrCEF.exe	86
PID 1252 wrote to memory of 4128	1252	RdrCEF.exe	86
PID 1252 wrote to memory of 4128	1252	RdrCEF.exe	86
PID 1252 wrote to memory of 4128	1252	RdrCEF.exe	86
PID 1252 wrote to memory of 4128	1252	RdrCEF.exe	86
PID 1252 wrote to memory of 4128	1252	RdrCEF.exe	86
PID 1252 wrote to memory of 4128	1252	RdrCEF.exe	86
PID 1252 wrote to memory of 4128	1252	RdrCEF.exe	86
PID 1252 wrote to memory of 4128	1252	RdrCEF.exe	86
PID 1252 wrote to memory of 4128	1252	RdrCEF.exe	86
PID 1252 wrote to memory of 4128	1252	RdrCEF.exe	86
PID 1252 wrote to memory of 4128	1252	RdrCEF.exe	86
PID 1252 wrote to memory of 4128	1252	RdrCEF.exe	86
PID 1252 wrote to memory of 4128	1252	RdrCEF.exe	86
PID 1252 wrote to memory of 4128	1252	RdrCEF.exe	86
PID 1252 wrote to memory of 4128	1252	RdrCEF.exe	86
PID 1252 wrote to memory of 4128	1252	RdrCEF.exe	86
PID 1252 wrote to memory of 4128	1252	RdrCEF.exe	86
PID 1252 wrote to memory of 4128	1252	RdrCEF.exe	86
PID 1252 wrote to memory of 4128	1252	RdrCEF.exe	86
PID 1252 wrote to memory of 4128	1252	RdrCEF.exe	86
PID 1252 wrote to memory of 4128	1252	RdrCEF.exe	86
PID 1252 wrote to memory of 4128	1252	RdrCEF.exe	86
PID 1252 wrote to memory of 4128	1252	RdrCEF.exe	86
PID 1252 wrote to memory of 4128	1252	RdrCEF.exe	86
PID 1252 wrote to memory of 4128	1252	RdrCEF.exe	86
PID 1252 wrote to memory of 4128	1252	RdrCEF.exe	86
PID 1252 wrote to memory of 4128	1252	RdrCEF.exe	86
PID 1252 wrote to memory of 4128	1252	RdrCEF.exe	86
PID 1252 wrote to memory of 4128	1252	RdrCEF.exe	86
PID 1252 wrote to memory of 4128	1252	RdrCEF.exe	86
PID 1252 wrote to memory of 4128	1252	RdrCEF.exe	86
PID 1252 wrote to memory of 4128	1252	RdrCEF.exe	86
PID 1252 wrote to memory of 4128	1252	RdrCEF.exe	86
PID 1252 wrote to memory of 4128	1252	RdrCEF.exe	86
PID 1252 wrote to memory of 3440	1252	RdrCEF.exe	87
PID 1252 wrote to memory of 3440	1252	RdrCEF.exe	87
PID 1252 wrote to memory of 3440	1252	RdrCEF.exe	87
PID 1252 wrote to memory of 3440	1252	RdrCEF.exe	87
PID 1252 wrote to memory of 3440	1252	RdrCEF.exe	87
PID 1252 wrote to memory of 3440	1252	RdrCEF.exe	87
PID 1252 wrote to memory of 3440	1252	RdrCEF.exe	87
PID 1252 wrote to memory of 3440	1252	RdrCEF.exe	87
PID 1252 wrote to memory of 3440	1252	RdrCEF.exe	87
PID 1252 wrote to memory of 3440	1252	RdrCEF.exe	87
PID 1252 wrote to memory of 3440	1252	RdrCEF.exe	87
PID 1252 wrote to memory of 3440	1252	RdrCEF.exe	87
PID 1252 wrote to memory of 3440	1252	RdrCEF.exe	87
PID 1252 wrote to memory of 3440	1252	RdrCEF.exe	87
PID 1252 wrote to memory of 3440	1252	RdrCEF.exe	87
PID 1252 wrote to memory of 3440	1252	RdrCEF.exe	87
PID 1252 wrote to memory of 3440	1252	RdrCEF.exe	87
PID 1252 wrote to memory of 3440	1252	RdrCEF.exe	87
PID 1252 wrote to memory of 3440	1252	RdrCEF.exe	87
PID 1252 wrote to memory of 3440	1252	RdrCEF.exe	87

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\9a71e34ab6e7a918064b374ffd3523f3.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:636
- 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:1252
- - 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=52B37F1C89762FD1EDCC54CE48722A30 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4128
- - 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=13959244ADD00CB151E287711ABE1DAE --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=13959244ADD00CB151E287711ABE1DAE --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3440
- - 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=021B226C6D75A1E3B657E53C7C2F9170 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:904
- - 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=5687B6D54BF4B36DB55B79149AFF3810 --mojo-platform-channel-handle=1928 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4544
- - 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=67492E22171922CA2BD3F68DCD0B59C7 --mojo-platform-channel-handle=2348 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2056
- - 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=5975AEA946452CD9B98CE05D633E838B --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=5975AEA946452CD9B98CE05D633E838B --renderer-client-id=7 --mojo-platform-channel-handle=2424 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3936

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3248

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
ee62a766bafea0d8d1ab2a1faa5f4889

SHA1
61873a0933284b76ba4d393800e39fcf3d31a80b

SHA256
63b0c0c99997db10b762e5bbf0be23f1c0e59e724f3db88b9501a0323e8994a3

SHA512
af482a144cc7f85e136a72658b3c0e161b6d5ef8199c4d05669fc58f8ed3bf247e1bba947cb5c7c2b1ecc675ee8b252e63a7e13e9a39262e46f7b10e731d3206

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