bf9d0aff42079978837d292805b16cfdc17134eb1acef153209d52a9934b33bc

Analysis

max time kernel
141s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
02-02-2024 16:51

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General

Target

8a08d457e26675fe527198d60eac0efc.pdf
Size

35KB
MD5

8a08d457e26675fe527198d60eac0efc
SHA1

421109f4cdaecfc03aee370d10806cfa58fd4000
SHA256

bf9d0aff42079978837d292805b16cfdc17134eb1acef153209d52a9934b33bc
SHA512

f0b6de17d7c2d29542dd0692fbdc99fea3258b5839853a6661fd5ebdcf9186673c6c022ad4ef2bfd446b5f976c20ebcb7c25a3f6fac3fd60a3e2fe72e446bd26
SSDEEP

768:0dJKjxq9OVXHBCezDjwjm78l0+13Tqqxhb:0dJKjiQEyjd721Nxhb

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4236	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4236 wrote to memory of 208	4236	AcroRd32.exe	87
PID 4236 wrote to memory of 208	4236	AcroRd32.exe	87
PID 4236 wrote to memory of 208	4236	AcroRd32.exe	87
PID 208 wrote to memory of 3628	208	RdrCEF.exe	88
PID 208 wrote to memory of 3628	208	RdrCEF.exe	88
PID 208 wrote to memory of 3628	208	RdrCEF.exe	88
PID 208 wrote to memory of 3628	208	RdrCEF.exe	88
PID 208 wrote to memory of 3628	208	RdrCEF.exe	88
PID 208 wrote to memory of 3628	208	RdrCEF.exe	88
PID 208 wrote to memory of 3628	208	RdrCEF.exe	88
PID 208 wrote to memory of 3628	208	RdrCEF.exe	88
PID 208 wrote to memory of 3628	208	RdrCEF.exe	88
PID 208 wrote to memory of 3628	208	RdrCEF.exe	88
PID 208 wrote to memory of 3628	208	RdrCEF.exe	88
PID 208 wrote to memory of 3628	208	RdrCEF.exe	88
PID 208 wrote to memory of 3628	208	RdrCEF.exe	88
PID 208 wrote to memory of 3628	208	RdrCEF.exe	88
PID 208 wrote to memory of 3628	208	RdrCEF.exe	88
PID 208 wrote to memory of 3628	208	RdrCEF.exe	88
PID 208 wrote to memory of 3628	208	RdrCEF.exe	88
PID 208 wrote to memory of 3628	208	RdrCEF.exe	88
PID 208 wrote to memory of 3628	208	RdrCEF.exe	88
PID 208 wrote to memory of 3628	208	RdrCEF.exe	88
PID 208 wrote to memory of 3628	208	RdrCEF.exe	88
PID 208 wrote to memory of 3628	208	RdrCEF.exe	88
PID 208 wrote to memory of 3628	208	RdrCEF.exe	88
PID 208 wrote to memory of 3628	208	RdrCEF.exe	88
PID 208 wrote to memory of 3628	208	RdrCEF.exe	88
PID 208 wrote to memory of 3628	208	RdrCEF.exe	88
PID 208 wrote to memory of 3628	208	RdrCEF.exe	88
PID 208 wrote to memory of 3628	208	RdrCEF.exe	88
PID 208 wrote to memory of 3628	208	RdrCEF.exe	88
PID 208 wrote to memory of 3628	208	RdrCEF.exe	88
PID 208 wrote to memory of 3628	208	RdrCEF.exe	88
PID 208 wrote to memory of 3628	208	RdrCEF.exe	88
PID 208 wrote to memory of 3628	208	RdrCEF.exe	88
PID 208 wrote to memory of 3628	208	RdrCEF.exe	88
PID 208 wrote to memory of 3628	208	RdrCEF.exe	88
PID 208 wrote to memory of 3628	208	RdrCEF.exe	88
PID 208 wrote to memory of 3628	208	RdrCEF.exe	88
PID 208 wrote to memory of 3628	208	RdrCEF.exe	88
PID 208 wrote to memory of 3628	208	RdrCEF.exe	88
PID 208 wrote to memory of 3628	208	RdrCEF.exe	88
PID 208 wrote to memory of 3628	208	RdrCEF.exe	88
PID 208 wrote to memory of 2352	208	RdrCEF.exe	89
PID 208 wrote to memory of 2352	208	RdrCEF.exe	89
PID 208 wrote to memory of 2352	208	RdrCEF.exe	89
PID 208 wrote to memory of 2352	208	RdrCEF.exe	89
PID 208 wrote to memory of 2352	208	RdrCEF.exe	89
PID 208 wrote to memory of 2352	208	RdrCEF.exe	89
PID 208 wrote to memory of 2352	208	RdrCEF.exe	89
PID 208 wrote to memory of 2352	208	RdrCEF.exe	89
PID 208 wrote to memory of 2352	208	RdrCEF.exe	89
PID 208 wrote to memory of 2352	208	RdrCEF.exe	89
PID 208 wrote to memory of 2352	208	RdrCEF.exe	89
PID 208 wrote to memory of 2352	208	RdrCEF.exe	89
PID 208 wrote to memory of 2352	208	RdrCEF.exe	89
PID 208 wrote to memory of 2352	208	RdrCEF.exe	89
PID 208 wrote to memory of 2352	208	RdrCEF.exe	89
PID 208 wrote to memory of 2352	208	RdrCEF.exe	89
PID 208 wrote to memory of 2352	208	RdrCEF.exe	89
PID 208 wrote to memory of 2352	208	RdrCEF.exe	89
PID 208 wrote to memory of 2352	208	RdrCEF.exe	89
PID 208 wrote to memory of 2352	208	RdrCEF.exe	89

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\8a08d457e26675fe527198d60eac0efc.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:4236
- 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:208
- - 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=19878A29D509508ECD6BEE0A1F634AFF --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3628
- - 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=84D0F6536A2AE99065B5CFC8C250032E --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=84D0F6536A2AE99065B5CFC8C250032E --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2352
- - 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=24C706CFC612F9CFBD9AA9C143DAF3F5 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2508
- - 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=FA3359BF70A27D771F5310C647E98ECB --mojo-platform-channel-handle=1956 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4964
- - 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=E6A935B3B5AD469EC799CF6094FD81F3 --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=E6A935B3B5AD469EC799CF6094FD81F3 --renderer-client-id=6 --mojo-platform-channel-handle=2428 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2252
- - 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=D1B436CA68B08AF409C29872B83B59F2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3728

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3040

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
dc95fc8201e6cdfa08d29db7ecf08ce2

SHA1
e4d4b684efb188810851b5b0906e8aa594ec6314

SHA256
c363b21b20bc14687c777c4521c060bc8dfcb93f3da57c76e96ed292dc121e66

SHA512
d37b2c70bc30aed55922d499dfe96340e1fd59eff9551cddef80b96d57037eeeae01fdc09eb9332883c2fbfaa62634a467b7e80483d22394626607ba99acaa4c

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
memory/4236-26-0x000000000A440000-0x000000000A490000-memory.dmp

Filesize
320KB

Download