41a19fd90723f8d2d9b8e19c192e6d3e11afa9c1c6eb8a27e7816dc060977322

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
18-01-2024 20:14

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General

Target

65ef680d1f4f3b76eb17d7f3a03a9d0f.pdf
Size

80KB
MD5

65ef680d1f4f3b76eb17d7f3a03a9d0f
SHA1

14839794fc061d20d43005a20b1c50079e1e3d72
SHA256

41a19fd90723f8d2d9b8e19c192e6d3e11afa9c1c6eb8a27e7816dc060977322
SHA512

81cc81a31eb85809510fc210653ef4e066829d05b3d59dc38ac223f0bc7fb405df590dfe9d20f586bcad03e7799ed1e17e38cf764d66dc4403e0900906080f6c
SSDEEP

1536:Jl2GydSuexXL1ZLvIMLUKLy3AyQWowex50rWHpOvnNn/aWhHCLTGyFfwD:KGydjetfATwyQZwe50vNn//HCL6cM

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3084	AcroRd32.exe
3084	AcroRd32.exe
3084	AcroRd32.exe
3084	AcroRd32.exe
3084	AcroRd32.exe
3084	AcroRd32.exe
3084	AcroRd32.exe
3084	AcroRd32.exe
3084	AcroRd32.exe
3084	AcroRd32.exe
3084	AcroRd32.exe
3084	AcroRd32.exe
3084	AcroRd32.exe
3084	AcroRd32.exe
3084	AcroRd32.exe
3084	AcroRd32.exe
3084	AcroRd32.exe
3084	AcroRd32.exe
3084	AcroRd32.exe
3084	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3084	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3084	AcroRd32.exe
3084	AcroRd32.exe
3084	AcroRd32.exe
3084	AcroRd32.exe
3084	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3084 wrote to memory of 3500	3084	AcroRd32.exe	90
PID 3084 wrote to memory of 3500	3084	AcroRd32.exe	90
PID 3084 wrote to memory of 3500	3084	AcroRd32.exe	90
PID 3500 wrote to memory of 3796	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 3796	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 3796	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 3796	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 3796	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 3796	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 3796	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 3796	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 3796	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 3796	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 3796	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 3796	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 3796	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 3796	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 3796	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 3796	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 3796	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 3796	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 3796	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 3796	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 3796	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 3796	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 3796	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 3796	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 3796	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 3796	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 3796	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 3796	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 3796	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 3796	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 3796	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 3796	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 3796	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 3796	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 3796	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 3796	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 3796	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 3796	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 3796	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 3796	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 3796	3500	RdrCEF.exe	91
PID 3500 wrote to memory of 1628	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 1628	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 1628	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 1628	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 1628	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 1628	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 1628	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 1628	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 1628	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 1628	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 1628	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 1628	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 1628	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 1628	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 1628	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 1628	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 1628	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 1628	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 1628	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 1628	3500	RdrCEF.exe	92

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\65ef680d1f4f3b76eb17d7f3a03a9d0f.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:3084
- 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:3500
- - 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=E7CEB7D278AE5E7C17FA1565C19B0F8C --mojo-platform-channel-handle=1716 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3796
- - 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=5FFFB16691F9737F5D72020389B11D70 --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=5FFFB16691F9737F5D72020389B11D70 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1628
- - 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=5F5F31CDBAE402679428404C3942CEA6 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3700
- - 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=B0B9B8729A03A08FFBBB6007F72A9215 --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=B0B9B8729A03A08FFBBB6007F72A9215 --renderer-client-id=5 --mojo-platform-channel-handle=1980 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3868
- - 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=D183CB41D542A86B25C622FE6B2175C6 --mojo-platform-channel-handle=2448 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1652
- - 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=CC2B8E40ECB934C2FC70DEF99000A302 --mojo-platform-channel-handle=2460 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:456

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2792

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
15747cdc13106d71fa5f28f4e89ece30

SHA1
cce372f2202ea9da59f3ecbdd70bc92aec87db21

SHA256
2b89ec3cb49558a1ab21c729610db14cf0ced5c1879bf45ffbca785881a1d926

SHA512
92e436a75b3d6c5807b258b0e9a1311a4c0ebb37a566a1c94ab2366283640a4ceeb878cc80a9341ff38301ea1c22377c4d8b228c4291cea0b53dafe6d2e3a9d2

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