8d31d1f1dd43f259d5d664bd9522c1fc43c9bd4300ff06ae98cd9fc9aae6278c

Analysis

max time kernel
145s
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
13-02-2024 17:42

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General

Target

99c034f601175a1e60d2a2ec964f9f6e.pdf
Size

78KB
MD5

99c034f601175a1e60d2a2ec964f9f6e
SHA1

c88bba5b9413861762e65680da26e42b291cbe07
SHA256

8d31d1f1dd43f259d5d664bd9522c1fc43c9bd4300ff06ae98cd9fc9aae6278c
SHA512

eef69132d83df29a781c5b8a08651470daa65ec8e139cbf5c5b3e629534910e264c93b028fad506ebd4e347559bdd0db9a55b8d9e3fd89fe4ef388d5bfa69199
SSDEEP

1536:bYHE3NlUYr9U3bJBctaBNGgm1qKMR+Ig9cnbP+yWgbIlveFkdh5UUu6Wpn:NTlGstufwOR+Do+4qvfdh5UUu6u

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3764	AcroRd32.exe
3764	AcroRd32.exe
3764	AcroRd32.exe
3764	AcroRd32.exe
3764	AcroRd32.exe
3764	AcroRd32.exe
3764	AcroRd32.exe
3764	AcroRd32.exe
3764	AcroRd32.exe
3764	AcroRd32.exe
3764	AcroRd32.exe
3764	AcroRd32.exe
3764	AcroRd32.exe
3764	AcroRd32.exe
3764	AcroRd32.exe
3764	AcroRd32.exe
3764	AcroRd32.exe
3764	AcroRd32.exe
3764	AcroRd32.exe
3764	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3764	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3764	AcroRd32.exe
3764	AcroRd32.exe
3764	AcroRd32.exe
3764	AcroRd32.exe
3764	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3764 wrote to memory of 4884	3764	AcroRd32.exe	88
PID 3764 wrote to memory of 4884	3764	AcroRd32.exe	88
PID 3764 wrote to memory of 4884	3764	AcroRd32.exe	88
PID 4884 wrote to memory of 1700	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 1700	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 1700	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 1700	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 1700	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 1700	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 1700	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 1700	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 1700	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 1700	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 1700	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 1700	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 1700	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 1700	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 1700	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 1700	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 1700	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 1700	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 1700	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 1700	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 1700	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 1700	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 1700	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 1700	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 1700	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 1700	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 1700	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 1700	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 1700	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 1700	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 1700	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 1700	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 1700	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 1700	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 1700	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 1700	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 1700	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 1700	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 1700	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 1700	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 1700	4884	RdrCEF.exe	89
PID 4884 wrote to memory of 3852	4884	RdrCEF.exe	90
PID 4884 wrote to memory of 3852	4884	RdrCEF.exe	90
PID 4884 wrote to memory of 3852	4884	RdrCEF.exe	90
PID 4884 wrote to memory of 3852	4884	RdrCEF.exe	90
PID 4884 wrote to memory of 3852	4884	RdrCEF.exe	90
PID 4884 wrote to memory of 3852	4884	RdrCEF.exe	90
PID 4884 wrote to memory of 3852	4884	RdrCEF.exe	90
PID 4884 wrote to memory of 3852	4884	RdrCEF.exe	90
PID 4884 wrote to memory of 3852	4884	RdrCEF.exe	90
PID 4884 wrote to memory of 3852	4884	RdrCEF.exe	90
PID 4884 wrote to memory of 3852	4884	RdrCEF.exe	90
PID 4884 wrote to memory of 3852	4884	RdrCEF.exe	90
PID 4884 wrote to memory of 3852	4884	RdrCEF.exe	90
PID 4884 wrote to memory of 3852	4884	RdrCEF.exe	90
PID 4884 wrote to memory of 3852	4884	RdrCEF.exe	90
PID 4884 wrote to memory of 3852	4884	RdrCEF.exe	90
PID 4884 wrote to memory of 3852	4884	RdrCEF.exe	90
PID 4884 wrote to memory of 3852	4884	RdrCEF.exe	90
PID 4884 wrote to memory of 3852	4884	RdrCEF.exe	90
PID 4884 wrote to memory of 3852	4884	RdrCEF.exe	90

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\99c034f601175a1e60d2a2ec964f9f6e.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:3764
- 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:4884
- - 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=C1EA2732DE0258F82E2CBF404B1B054C --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1700
- - 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=C8FBD2DA2722697B1057099CC7EDACD9 --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=C8FBD2DA2722697B1057099CC7EDACD9 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3852
- - 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=A8888E854467DC9B7BBEC6DF9C0ADC23 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2392
- - 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=ABCBDAE48262509E69B4333CE7110751 --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=ABCBDAE48262509E69B4333CE7110751 --renderer-client-id=5 --mojo-platform-channel-handle=2424 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1604
- - 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=02C9AA24EBE25D0CE47EB891DBA52878 --mojo-platform-channel-handle=2692 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2424
- - 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=D5C3F1550C3DA7E69953269A008B16B2 --mojo-platform-channel-handle=2832 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2468

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
5ee6f5c783341ecf70f7b11b993d76de

SHA1
358b770f6b794b650f34ebbcb777b013f9d5f352

SHA256
1a208052958ebcd97a49a87226de349db737e39c9473ae5e4ecb6498763cd262

SHA512
f68be67b46b822ec1be6b34858453a7862c2733ed8635f6d52a457301fbfc876d68e738822bf2cdeee409b08208ad8f764b820cd784b611244974e909acbd232

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