1f97cf24575f0f1e16b125d744df4bc0e79d28e71e06c956b5703540279a473f

Analysis

max time kernel
154s
max time network
163s
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 12:54

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General

Target

916593237b9835e8ace208a39ae44408.pdf
Size

33KB
MD5

916593237b9835e8ace208a39ae44408
SHA1

d8b85d4d4705b4ab1371a82a8b1031717c7f8522
SHA256

1f97cf24575f0f1e16b125d744df4bc0e79d28e71e06c956b5703540279a473f
SHA512

ba8e53fc00d346267a30767313574e5cec03c50040c01643ba1740085d3b37ff1fba2729e78615fea39dad29d31b84665100b9493a6beb0415bd8bf20f12d5e9
SSDEEP

384:PxdeQbcyIcdLRk0F5vSE+uROnsUM/3x+rMATEl4Z4enCUSpwTkZpA6B6QZvcVmkx:DeQ2Uz5vCkUm450787kjXBpcwkOWGhO

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-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3484	AcroRd32.exe
3484	AcroRd32.exe
3484	AcroRd32.exe
3484	AcroRd32.exe
3484	AcroRd32.exe
3484	AcroRd32.exe
3484	AcroRd32.exe
3484	AcroRd32.exe
3484	AcroRd32.exe
3484	AcroRd32.exe
3484	AcroRd32.exe
3484	AcroRd32.exe
3484	AcroRd32.exe
3484	AcroRd32.exe
3484	AcroRd32.exe
3484	AcroRd32.exe
3484	AcroRd32.exe
3484	AcroRd32.exe
3484	AcroRd32.exe
3484	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3484	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3484	AcroRd32.exe
3484	AcroRd32.exe
3484	AcroRd32.exe
3484	AcroRd32.exe
3484	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3484 wrote to memory of 3160	3484	AcroRd32.exe	95
PID 3484 wrote to memory of 3160	3484	AcroRd32.exe	95
PID 3484 wrote to memory of 3160	3484	AcroRd32.exe	95
PID 3160 wrote to memory of 4268	3160	RdrCEF.exe	96
PID 3160 wrote to memory of 4268	3160	RdrCEF.exe	96
PID 3160 wrote to memory of 4268	3160	RdrCEF.exe	96
PID 3160 wrote to memory of 4268	3160	RdrCEF.exe	96
PID 3160 wrote to memory of 4268	3160	RdrCEF.exe	96
PID 3160 wrote to memory of 4268	3160	RdrCEF.exe	96
PID 3160 wrote to memory of 4268	3160	RdrCEF.exe	96
PID 3160 wrote to memory of 4268	3160	RdrCEF.exe	96
PID 3160 wrote to memory of 4268	3160	RdrCEF.exe	96
PID 3160 wrote to memory of 4268	3160	RdrCEF.exe	96
PID 3160 wrote to memory of 4268	3160	RdrCEF.exe	96
PID 3160 wrote to memory of 4268	3160	RdrCEF.exe	96
PID 3160 wrote to memory of 4268	3160	RdrCEF.exe	96
PID 3160 wrote to memory of 4268	3160	RdrCEF.exe	96
PID 3160 wrote to memory of 4268	3160	RdrCEF.exe	96
PID 3160 wrote to memory of 4268	3160	RdrCEF.exe	96
PID 3160 wrote to memory of 4268	3160	RdrCEF.exe	96
PID 3160 wrote to memory of 4268	3160	RdrCEF.exe	96
PID 3160 wrote to memory of 4268	3160	RdrCEF.exe	96
PID 3160 wrote to memory of 4268	3160	RdrCEF.exe	96
PID 3160 wrote to memory of 4268	3160	RdrCEF.exe	96
PID 3160 wrote to memory of 4268	3160	RdrCEF.exe	96
PID 3160 wrote to memory of 4268	3160	RdrCEF.exe	96
PID 3160 wrote to memory of 4268	3160	RdrCEF.exe	96
PID 3160 wrote to memory of 4268	3160	RdrCEF.exe	96
PID 3160 wrote to memory of 4268	3160	RdrCEF.exe	96
PID 3160 wrote to memory of 4268	3160	RdrCEF.exe	96
PID 3160 wrote to memory of 4268	3160	RdrCEF.exe	96
PID 3160 wrote to memory of 4268	3160	RdrCEF.exe	96
PID 3160 wrote to memory of 4268	3160	RdrCEF.exe	96
PID 3160 wrote to memory of 4268	3160	RdrCEF.exe	96
PID 3160 wrote to memory of 4268	3160	RdrCEF.exe	96
PID 3160 wrote to memory of 4268	3160	RdrCEF.exe	96
PID 3160 wrote to memory of 4268	3160	RdrCEF.exe	96
PID 3160 wrote to memory of 4268	3160	RdrCEF.exe	96
PID 3160 wrote to memory of 4268	3160	RdrCEF.exe	96
PID 3160 wrote to memory of 4268	3160	RdrCEF.exe	96
PID 3160 wrote to memory of 4268	3160	RdrCEF.exe	96
PID 3160 wrote to memory of 4268	3160	RdrCEF.exe	96
PID 3160 wrote to memory of 4268	3160	RdrCEF.exe	96
PID 3160 wrote to memory of 4268	3160	RdrCEF.exe	96
PID 3160 wrote to memory of 4796	3160	RdrCEF.exe	97
PID 3160 wrote to memory of 4796	3160	RdrCEF.exe	97
PID 3160 wrote to memory of 4796	3160	RdrCEF.exe	97
PID 3160 wrote to memory of 4796	3160	RdrCEF.exe	97
PID 3160 wrote to memory of 4796	3160	RdrCEF.exe	97
PID 3160 wrote to memory of 4796	3160	RdrCEF.exe	97
PID 3160 wrote to memory of 4796	3160	RdrCEF.exe	97
PID 3160 wrote to memory of 4796	3160	RdrCEF.exe	97
PID 3160 wrote to memory of 4796	3160	RdrCEF.exe	97
PID 3160 wrote to memory of 4796	3160	RdrCEF.exe	97
PID 3160 wrote to memory of 4796	3160	RdrCEF.exe	97
PID 3160 wrote to memory of 4796	3160	RdrCEF.exe	97
PID 3160 wrote to memory of 4796	3160	RdrCEF.exe	97
PID 3160 wrote to memory of 4796	3160	RdrCEF.exe	97
PID 3160 wrote to memory of 4796	3160	RdrCEF.exe	97
PID 3160 wrote to memory of 4796	3160	RdrCEF.exe	97
PID 3160 wrote to memory of 4796	3160	RdrCEF.exe	97
PID 3160 wrote to memory of 4796	3160	RdrCEF.exe	97
PID 3160 wrote to memory of 4796	3160	RdrCEF.exe	97
PID 3160 wrote to memory of 4796	3160	RdrCEF.exe	97

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\916593237b9835e8ace208a39ae44408.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:3484
- 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:3160
- - 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=6BEBFCF907C80FB022A359FB5B8C2489 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4268
- - 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=60C08875688DE1942A461D08E9BA8B9B --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=60C08875688DE1942A461D08E9BA8B9B --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4796
- - 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=7321AD75CF88E568D8D239BADBBA5550 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4760
- - 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=5B6EF034C63D84E1896FDEB6702FB211 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1360
- - 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=ED0F6AA93AD47CE5D64E588E371FDF7F --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=ED0F6AA93AD47CE5D64E588E371FDF7F --renderer-client-id=6 --mojo-platform-channel-handle=2380 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3916
- - 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=970356118D5E2F412C3759B0E5AAA81C --mojo-platform-channel-handle=1952 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1940

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3420

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
a55f488ca06e1b12f5987ab02d45e17d

SHA1
9dbfacd8112048350f0064f2d1e7b38d750bf775

SHA256
7b4c3a00ac12d1f46a517dd3a97bd363bf4c94594b269383c664cec0dda98a50

SHA512
164c38acded47860797680be4e3830caaf42170bd33c721d9ba086c12416f7a1a49d24e97e1b4adba3fbc6faa7106e174c0ea177618bc4425b29b3519c6fd4f0

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/3484-27-0x0000000009970000-0x0000000009991000-memory.dmp

Filesize
132KB

Download