a6b98bd71f9674afb97f28457ac4c2f61928d30fef2e5a58b973800e4baa1caf

Analysis

max time kernel
148s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240319-en
resource tags

arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system
submitted
19/03/2024, 23:14

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General

Target

d7515c6f106a70f7b2f3602ee53238ef.pdf
Size

91KB
MD5

d7515c6f106a70f7b2f3602ee53238ef
SHA1

2134a636adf0e92b6a59a1e3ee54bc6c96a9b601
SHA256

a6b98bd71f9674afb97f28457ac4c2f61928d30fef2e5a58b973800e4baa1caf
SHA512

6d7d46ba66f52bdb945574954cbd3461430057c0e02605226bb94ffb33061d368923fb6e911f7d109c5498f4a62d1e8a37ce27fabeb5167479bc88e7575e2107
SSDEEP

1536:8RL2SZnf69khwzViBNb33PuM/UA5nnB2YCBQ5Ln0QVWRNN3Mz4W8pO73WzNuszmr:8L28S9kEO3PP5nnFz1R4Nczj70NM

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-1-5-21-817259280-2658881748-983986378-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1620	AcroRd32.exe
1620	AcroRd32.exe
1620	AcroRd32.exe
1620	AcroRd32.exe
1620	AcroRd32.exe
1620	AcroRd32.exe
1620	AcroRd32.exe
1620	AcroRd32.exe
1620	AcroRd32.exe
1620	AcroRd32.exe
1620	AcroRd32.exe
1620	AcroRd32.exe
1620	AcroRd32.exe
1620	AcroRd32.exe
1620	AcroRd32.exe
1620	AcroRd32.exe
1620	AcroRd32.exe
1620	AcroRd32.exe
1620	AcroRd32.exe
1620	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1620	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1620	AcroRd32.exe
1620	AcroRd32.exe
1620	AcroRd32.exe
1620	AcroRd32.exe
1620	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1620 wrote to memory of 3804	1620	AcroRd32.exe	95
PID 1620 wrote to memory of 3804	1620	AcroRd32.exe	95
PID 1620 wrote to memory of 3804	1620	AcroRd32.exe	95
PID 3804 wrote to memory of 2452	3804	RdrCEF.exe	97
PID 3804 wrote to memory of 2452	3804	RdrCEF.exe	97
PID 3804 wrote to memory of 2452	3804	RdrCEF.exe	97
PID 3804 wrote to memory of 2452	3804	RdrCEF.exe	97
PID 3804 wrote to memory of 2452	3804	RdrCEF.exe	97
PID 3804 wrote to memory of 2452	3804	RdrCEF.exe	97
PID 3804 wrote to memory of 2452	3804	RdrCEF.exe	97
PID 3804 wrote to memory of 2452	3804	RdrCEF.exe	97
PID 3804 wrote to memory of 2452	3804	RdrCEF.exe	97
PID 3804 wrote to memory of 2452	3804	RdrCEF.exe	97
PID 3804 wrote to memory of 2452	3804	RdrCEF.exe	97
PID 3804 wrote to memory of 2452	3804	RdrCEF.exe	97
PID 3804 wrote to memory of 2452	3804	RdrCEF.exe	97
PID 3804 wrote to memory of 2452	3804	RdrCEF.exe	97
PID 3804 wrote to memory of 2452	3804	RdrCEF.exe	97
PID 3804 wrote to memory of 2452	3804	RdrCEF.exe	97
PID 3804 wrote to memory of 2452	3804	RdrCEF.exe	97
PID 3804 wrote to memory of 2452	3804	RdrCEF.exe	97
PID 3804 wrote to memory of 2452	3804	RdrCEF.exe	97
PID 3804 wrote to memory of 2452	3804	RdrCEF.exe	97
PID 3804 wrote to memory of 2452	3804	RdrCEF.exe	97
PID 3804 wrote to memory of 2452	3804	RdrCEF.exe	97
PID 3804 wrote to memory of 2452	3804	RdrCEF.exe	97
PID 3804 wrote to memory of 2452	3804	RdrCEF.exe	97
PID 3804 wrote to memory of 2452	3804	RdrCEF.exe	97
PID 3804 wrote to memory of 2452	3804	RdrCEF.exe	97
PID 3804 wrote to memory of 2452	3804	RdrCEF.exe	97
PID 3804 wrote to memory of 2452	3804	RdrCEF.exe	97
PID 3804 wrote to memory of 2452	3804	RdrCEF.exe	97
PID 3804 wrote to memory of 2452	3804	RdrCEF.exe	97
PID 3804 wrote to memory of 2452	3804	RdrCEF.exe	97
PID 3804 wrote to memory of 2452	3804	RdrCEF.exe	97
PID 3804 wrote to memory of 2452	3804	RdrCEF.exe	97
PID 3804 wrote to memory of 2452	3804	RdrCEF.exe	97
PID 3804 wrote to memory of 2452	3804	RdrCEF.exe	97
PID 3804 wrote to memory of 2452	3804	RdrCEF.exe	97
PID 3804 wrote to memory of 2452	3804	RdrCEF.exe	97
PID 3804 wrote to memory of 2452	3804	RdrCEF.exe	97
PID 3804 wrote to memory of 2452	3804	RdrCEF.exe	97
PID 3804 wrote to memory of 2452	3804	RdrCEF.exe	97
PID 3804 wrote to memory of 2452	3804	RdrCEF.exe	97
PID 3804 wrote to memory of 5092	3804	RdrCEF.exe	98
PID 3804 wrote to memory of 5092	3804	RdrCEF.exe	98
PID 3804 wrote to memory of 5092	3804	RdrCEF.exe	98
PID 3804 wrote to memory of 5092	3804	RdrCEF.exe	98
PID 3804 wrote to memory of 5092	3804	RdrCEF.exe	98
PID 3804 wrote to memory of 5092	3804	RdrCEF.exe	98
PID 3804 wrote to memory of 5092	3804	RdrCEF.exe	98
PID 3804 wrote to memory of 5092	3804	RdrCEF.exe	98
PID 3804 wrote to memory of 5092	3804	RdrCEF.exe	98
PID 3804 wrote to memory of 5092	3804	RdrCEF.exe	98
PID 3804 wrote to memory of 5092	3804	RdrCEF.exe	98
PID 3804 wrote to memory of 5092	3804	RdrCEF.exe	98
PID 3804 wrote to memory of 5092	3804	RdrCEF.exe	98
PID 3804 wrote to memory of 5092	3804	RdrCEF.exe	98
PID 3804 wrote to memory of 5092	3804	RdrCEF.exe	98
PID 3804 wrote to memory of 5092	3804	RdrCEF.exe	98
PID 3804 wrote to memory of 5092	3804	RdrCEF.exe	98
PID 3804 wrote to memory of 5092	3804	RdrCEF.exe	98
PID 3804 wrote to memory of 5092	3804	RdrCEF.exe	98
PID 3804 wrote to memory of 5092	3804	RdrCEF.exe	98

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\d7515c6f106a70f7b2f3602ee53238ef.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:1620
- 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:3804
- - 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=40537986A24C5DCF6313CE798325CBBB --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2452
- - 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=AF0D584CC2F86077C224E6CF1F7DF4F9 --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=AF0D584CC2F86077C224E6CF1F7DF4F9 --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5092
- - 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=785FA90CB4A8D05E9F156CB573070786 --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=785FA90CB4A8D05E9F156CB573070786 --renderer-client-id=4 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2636
- - 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=555D6DA4ABC1F3E190CAE28870D8E670 --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1552
- - 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=87B5F729BDC9C526D63FA54F88972C80 --mojo-platform-channel-handle=2544 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4524
- - 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=6F53068EB97F6D7B0E8A5EEF39A4A000 --mojo-platform-channel-handle=2468 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1956

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:684

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=3760 --field-trial-handle=2264,i,1475924722205134884,16549311107360026087,262144 --variations-seed-version /prefetch:8
1⤵
PID:2452

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
729d761cbf56856b6732f163f02c7cf2

SHA1
6541f81e3340115f971077f1d32bad965abdd2e4

SHA256
f996c9ed84b81189993b4f521439559db21001a504bd6da98280fc084aaa92e0

SHA512
beeb66c3e92d1ac281d2de4c9721d1831043b8fd8f10952158450b1273965561259c522088cbbeb5f8d10310399732c41432247cb1fc766126098456bc2289ab

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