18b1a35f2f0175882262c6a23a7a57d7b086b686e06c17ebfbaf6b89a2ad8efb

Analysis

max time kernel
154s
max time network
163s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
06/03/2024, 18:23

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General

Target

b8126369ae652a1fba2ee4c322ad8cad.pdf
Size

108KB
MD5

b8126369ae652a1fba2ee4c322ad8cad
SHA1

1a1466d12165940c5392379afa59fe102038b389
SHA256

18b1a35f2f0175882262c6a23a7a57d7b086b686e06c17ebfbaf6b89a2ad8efb
SHA512

21060ee6434f7e150d6b07e6729580bc797be592257adc465eda50638752eca4af2d61f28f91c57e664362ebe26e518d686e31deedbe8707e608e981e345de38
SSDEEP

3072:0WCHhAfxevIVdGuDhRbFqmFZlDgJpj50xXGHdX4SxRo:0QfQQVwuDhpfuJx50x2A

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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3876	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3876 wrote to memory of 760	3876	AcroRd32.exe	105
PID 3876 wrote to memory of 760	3876	AcroRd32.exe	105
PID 3876 wrote to memory of 760	3876	AcroRd32.exe	105
PID 3876 wrote to memory of 3216	3876	AcroRd32.exe	107
PID 3876 wrote to memory of 3216	3876	AcroRd32.exe	107
PID 3876 wrote to memory of 3216	3876	AcroRd32.exe	107
PID 760 wrote to memory of 4488	760	RdrCEF.exe	108
PID 760 wrote to memory of 4488	760	RdrCEF.exe	108
PID 760 wrote to memory of 4488	760	RdrCEF.exe	108
PID 760 wrote to memory of 4488	760	RdrCEF.exe	108
PID 760 wrote to memory of 4488	760	RdrCEF.exe	108
PID 760 wrote to memory of 4488	760	RdrCEF.exe	108
PID 760 wrote to memory of 4488	760	RdrCEF.exe	108
PID 760 wrote to memory of 4488	760	RdrCEF.exe	108
PID 760 wrote to memory of 4488	760	RdrCEF.exe	108
PID 760 wrote to memory of 4488	760	RdrCEF.exe	108
PID 760 wrote to memory of 4488	760	RdrCEF.exe	108
PID 760 wrote to memory of 4488	760	RdrCEF.exe	108
PID 760 wrote to memory of 4488	760	RdrCEF.exe	108
PID 760 wrote to memory of 4488	760	RdrCEF.exe	108
PID 760 wrote to memory of 4488	760	RdrCEF.exe	108
PID 760 wrote to memory of 4488	760	RdrCEF.exe	108
PID 760 wrote to memory of 4488	760	RdrCEF.exe	108
PID 760 wrote to memory of 4488	760	RdrCEF.exe	108
PID 760 wrote to memory of 4488	760	RdrCEF.exe	108
PID 760 wrote to memory of 4488	760	RdrCEF.exe	108
PID 760 wrote to memory of 4488	760	RdrCEF.exe	108
PID 760 wrote to memory of 4488	760	RdrCEF.exe	108
PID 760 wrote to memory of 4488	760	RdrCEF.exe	108
PID 760 wrote to memory of 4488	760	RdrCEF.exe	108
PID 760 wrote to memory of 4488	760	RdrCEF.exe	108
PID 760 wrote to memory of 4488	760	RdrCEF.exe	108
PID 760 wrote to memory of 4488	760	RdrCEF.exe	108
PID 760 wrote to memory of 4488	760	RdrCEF.exe	108
PID 760 wrote to memory of 4488	760	RdrCEF.exe	108
PID 760 wrote to memory of 4488	760	RdrCEF.exe	108
PID 760 wrote to memory of 4488	760	RdrCEF.exe	108
PID 760 wrote to memory of 4488	760	RdrCEF.exe	108
PID 760 wrote to memory of 4488	760	RdrCEF.exe	108
PID 760 wrote to memory of 4488	760	RdrCEF.exe	108
PID 760 wrote to memory of 4488	760	RdrCEF.exe	108
PID 760 wrote to memory of 4488	760	RdrCEF.exe	108
PID 760 wrote to memory of 4488	760	RdrCEF.exe	108
PID 760 wrote to memory of 4488	760	RdrCEF.exe	108
PID 760 wrote to memory of 4488	760	RdrCEF.exe	108
PID 760 wrote to memory of 4488	760	RdrCEF.exe	108
PID 760 wrote to memory of 4488	760	RdrCEF.exe	108
PID 760 wrote to memory of 4488	760	RdrCEF.exe	108
PID 760 wrote to memory of 4488	760	RdrCEF.exe	108
PID 760 wrote to memory of 876	760	RdrCEF.exe	109
PID 760 wrote to memory of 876	760	RdrCEF.exe	109
PID 760 wrote to memory of 876	760	RdrCEF.exe	109
PID 760 wrote to memory of 876	760	RdrCEF.exe	109
PID 760 wrote to memory of 876	760	RdrCEF.exe	109
PID 760 wrote to memory of 876	760	RdrCEF.exe	109
PID 760 wrote to memory of 876	760	RdrCEF.exe	109
PID 760 wrote to memory of 876	760	RdrCEF.exe	109
PID 760 wrote to memory of 876	760	RdrCEF.exe	109
PID 760 wrote to memory of 876	760	RdrCEF.exe	109
PID 760 wrote to memory of 876	760	RdrCEF.exe	109
PID 760 wrote to memory of 876	760	RdrCEF.exe	109
PID 760 wrote to memory of 876	760	RdrCEF.exe	109
PID 760 wrote to memory of 876	760	RdrCEF.exe	109
PID 760 wrote to memory of 876	760	RdrCEF.exe	109

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\b8126369ae652a1fba2ee4c322ad8cad.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:3876
- 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:760
- - 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=DA789139D00728735947577ACC281404 --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=DA789139D00728735947577ACC281404 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4488
- - 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=FBF4F393260AE2ECE10C6FC3B1F0121E --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:876
- - 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=7AF2E43576164E319619EB72BB5C70CD --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=7AF2E43576164E319619EB72BB5C70CD --renderer-client-id=4 --mojo-platform-channel-handle=2164 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2316
- - 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=0A63FF927D2F2DFCFA76192965C3A56C --mojo-platform-channel-handle=1984 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3276
- - 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=E9933E83FCA25A1A2FC3B69634D759EC --mojo-platform-channel-handle=2024 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3216
- - 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=A8FE57F91954200A779434466EAC098B --mojo-platform-channel-handle=2016 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4036
- 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⤵
  PID:3216

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2880

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4080 --field-trial-handle=2252,i,16504368816373493055,9578615028378602855,262144 --variations-seed-version /prefetch:8
1⤵
PID:5336

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
2ccbd8c08207ead3a63065fd2ca4f708

SHA1
bb6f3ea25d15038301ceb0640789b33e32177336

SHA256
6a992c8a2e03b4696bd9488da42e89a95a392cb34e212e4c4fab206bbd3bc5ed

SHA512
a0f9cf4f71cbdfc5080b2caad324bee59d0e936640578dfc453e1a47c73becce1e37adb38c43c5dad5d556bbfbc5b124ad4fe7df003074086c5f0b8ea433fc75

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