6b36ce889a5a71e3258636f079274a76f7f4ef8ef4d69bfb9ddc433bc0bfaf79

Analysis

max time kernel
142s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 14:06

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General

Target

b70c38e07eb09527c8730b57511c6bb0.pdf
Size

89KB
MD5

b70c38e07eb09527c8730b57511c6bb0
SHA1

aa775c7fd12ed15674a739a45ec6b3bf9f2011f5
SHA256

6b36ce889a5a71e3258636f079274a76f7f4ef8ef4d69bfb9ddc433bc0bfaf79
SHA512

a1d09baee88a0665a21faca5f76dd43341f4802e7059873b0508570d2e17c363c580f587a470220d738e9bd3bd882e78a95ee511bda66cb144510df6974a7f2d
SSDEEP

1536:qYyqXVr29CpLVqHBZ2kEnxoAxZvVod3fwWFDbd6Uy7TkWcpOmGlTOgzl:byqXVr29CpLwHTLE/XvVodPNPTy3PmWz

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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3784	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3784 wrote to memory of 3336	3784	AcroRd32.exe	89
PID 3784 wrote to memory of 3336	3784	AcroRd32.exe	89
PID 3784 wrote to memory of 3336	3784	AcroRd32.exe	89
PID 3336 wrote to memory of 4660	3336	RdrCEF.exe	90
PID 3336 wrote to memory of 4660	3336	RdrCEF.exe	90
PID 3336 wrote to memory of 4660	3336	RdrCEF.exe	90
PID 3336 wrote to memory of 4660	3336	RdrCEF.exe	90
PID 3336 wrote to memory of 4660	3336	RdrCEF.exe	90
PID 3336 wrote to memory of 4660	3336	RdrCEF.exe	90
PID 3336 wrote to memory of 4660	3336	RdrCEF.exe	90
PID 3336 wrote to memory of 4660	3336	RdrCEF.exe	90
PID 3336 wrote to memory of 4660	3336	RdrCEF.exe	90
PID 3336 wrote to memory of 4660	3336	RdrCEF.exe	90
PID 3336 wrote to memory of 4660	3336	RdrCEF.exe	90
PID 3336 wrote to memory of 4660	3336	RdrCEF.exe	90
PID 3336 wrote to memory of 4660	3336	RdrCEF.exe	90
PID 3336 wrote to memory of 4660	3336	RdrCEF.exe	90
PID 3336 wrote to memory of 4660	3336	RdrCEF.exe	90
PID 3336 wrote to memory of 4660	3336	RdrCEF.exe	90
PID 3336 wrote to memory of 4660	3336	RdrCEF.exe	90
PID 3336 wrote to memory of 4660	3336	RdrCEF.exe	90
PID 3336 wrote to memory of 4660	3336	RdrCEF.exe	90
PID 3336 wrote to memory of 4660	3336	RdrCEF.exe	90
PID 3336 wrote to memory of 4660	3336	RdrCEF.exe	90
PID 3336 wrote to memory of 4660	3336	RdrCEF.exe	90
PID 3336 wrote to memory of 4660	3336	RdrCEF.exe	90
PID 3336 wrote to memory of 4660	3336	RdrCEF.exe	90
PID 3336 wrote to memory of 4660	3336	RdrCEF.exe	90
PID 3336 wrote to memory of 4660	3336	RdrCEF.exe	90
PID 3336 wrote to memory of 4660	3336	RdrCEF.exe	90
PID 3336 wrote to memory of 4660	3336	RdrCEF.exe	90
PID 3336 wrote to memory of 4660	3336	RdrCEF.exe	90
PID 3336 wrote to memory of 4660	3336	RdrCEF.exe	90
PID 3336 wrote to memory of 4660	3336	RdrCEF.exe	90
PID 3336 wrote to memory of 4660	3336	RdrCEF.exe	90
PID 3336 wrote to memory of 4660	3336	RdrCEF.exe	90
PID 3336 wrote to memory of 4660	3336	RdrCEF.exe	90
PID 3336 wrote to memory of 4660	3336	RdrCEF.exe	90
PID 3336 wrote to memory of 4660	3336	RdrCEF.exe	90
PID 3336 wrote to memory of 4660	3336	RdrCEF.exe	90
PID 3336 wrote to memory of 4660	3336	RdrCEF.exe	90
PID 3336 wrote to memory of 4660	3336	RdrCEF.exe	90
PID 3336 wrote to memory of 4660	3336	RdrCEF.exe	90
PID 3336 wrote to memory of 4660	3336	RdrCEF.exe	90
PID 3336 wrote to memory of 5020	3336	RdrCEF.exe	91
PID 3336 wrote to memory of 5020	3336	RdrCEF.exe	91
PID 3336 wrote to memory of 5020	3336	RdrCEF.exe	91
PID 3336 wrote to memory of 5020	3336	RdrCEF.exe	91
PID 3336 wrote to memory of 5020	3336	RdrCEF.exe	91
PID 3336 wrote to memory of 5020	3336	RdrCEF.exe	91
PID 3336 wrote to memory of 5020	3336	RdrCEF.exe	91
PID 3336 wrote to memory of 5020	3336	RdrCEF.exe	91
PID 3336 wrote to memory of 5020	3336	RdrCEF.exe	91
PID 3336 wrote to memory of 5020	3336	RdrCEF.exe	91
PID 3336 wrote to memory of 5020	3336	RdrCEF.exe	91
PID 3336 wrote to memory of 5020	3336	RdrCEF.exe	91
PID 3336 wrote to memory of 5020	3336	RdrCEF.exe	91
PID 3336 wrote to memory of 5020	3336	RdrCEF.exe	91
PID 3336 wrote to memory of 5020	3336	RdrCEF.exe	91
PID 3336 wrote to memory of 5020	3336	RdrCEF.exe	91
PID 3336 wrote to memory of 5020	3336	RdrCEF.exe	91
PID 3336 wrote to memory of 5020	3336	RdrCEF.exe	91
PID 3336 wrote to memory of 5020	3336	RdrCEF.exe	91
PID 3336 wrote to memory of 5020	3336	RdrCEF.exe	91

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\b70c38e07eb09527c8730b57511c6bb0.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:3784
- 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:3336
- - 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=F9BA8DB1EC8DEDD48556D37103B3287E --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4660
- - 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=4751BB2FC24EA80F95CFAB35782D35AC --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=4751BB2FC24EA80F95CFAB35782D35AC --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5020
- - 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=180E3EC68C0BB8894DD8B8E007F76961 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4736
- - 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=C15F6862D2A610CD1A7881FC32F60EB9 --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=C15F6862D2A610CD1A7881FC32F60EB9 --renderer-client-id=5 --mojo-platform-channel-handle=2404 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3396
- - 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=E543E5909F585270373B734DE6150215 --mojo-platform-channel-handle=2524 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2272
- - 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=BCF70D65B81FD9B86FCDA4B8564A1A2E --mojo-platform-channel-handle=2192 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2948

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1116

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
6058f6d3185deb0b53167e549017cef2

SHA1
30a5d5742c2e0e24552155bac8fd68c2a577d2f0

SHA256
9e8c8feb12f8fd8db98da949207fa7874e549cb0b73cbf0cc9cbfedd8806d280

SHA512
5a679057145b8472bdc2aeffadc26dfac404cb45e4816fe80bd2987dc4a79a9b4cc9d2ff28f7646692f0815d510cfd9aec638dea46a9b1941bbf89879755b0fb

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