39a17a9ffd159833802431c01719b123ad9d4fd4378d4ea42482aeb1b6cf09c2

Analysis

max time kernel
125s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
06/07/2024, 20:34

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General

Target

143ae6938fe1709d259d3290d18aef20N.pdf
Size

40KB
MD5

143ae6938fe1709d259d3290d18aef20
SHA1

1dfd83b3f3d66fca3fb12517cdc5f3cdf89fedb2
SHA256

39a17a9ffd159833802431c01719b123ad9d4fd4378d4ea42482aeb1b6cf09c2
SHA512

144bccfe188d46a30bd8c79879129a07dfa7a56c91181a67920d3b6414ff3551157d19d5c7d2d06e21f53d94a2859b16074372e42358e21c11506a22f3fa40cd
SSDEEP

768:PVoAXE5ti95HncGfdJ3Jf98aEOwJM36z1ED1zwCVb4c69n+tYduHkZkfvU8:lXzPvyj2qKJwCN4c69n+euHOGZ

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-1-5-21-661257284-3186977026-4220467887-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2620	AcroRd32.exe
2620	AcroRd32.exe
2620	AcroRd32.exe
2620	AcroRd32.exe
2620	AcroRd32.exe
2620	AcroRd32.exe
2620	AcroRd32.exe
2620	AcroRd32.exe
2620	AcroRd32.exe
2620	AcroRd32.exe
2620	AcroRd32.exe
2620	AcroRd32.exe
2620	AcroRd32.exe
2620	AcroRd32.exe
2620	AcroRd32.exe
2620	AcroRd32.exe
2620	AcroRd32.exe
2620	AcroRd32.exe
2620	AcroRd32.exe
2620	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2620	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2620	AcroRd32.exe
2620	AcroRd32.exe
2620	AcroRd32.exe
2620	AcroRd32.exe
2620	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2620 wrote to memory of 2020	2620	AcroRd32.exe	92
PID 2620 wrote to memory of 2020	2620	AcroRd32.exe	92
PID 2620 wrote to memory of 2020	2620	AcroRd32.exe	92
PID 2020 wrote to memory of 4420	2020	RdrCEF.exe	93
PID 2020 wrote to memory of 4420	2020	RdrCEF.exe	93
PID 2020 wrote to memory of 4420	2020	RdrCEF.exe	93
PID 2020 wrote to memory of 4420	2020	RdrCEF.exe	93
PID 2020 wrote to memory of 4420	2020	RdrCEF.exe	93
PID 2020 wrote to memory of 4420	2020	RdrCEF.exe	93
PID 2020 wrote to memory of 4420	2020	RdrCEF.exe	93
PID 2020 wrote to memory of 4420	2020	RdrCEF.exe	93
PID 2020 wrote to memory of 4420	2020	RdrCEF.exe	93
PID 2020 wrote to memory of 4420	2020	RdrCEF.exe	93
PID 2020 wrote to memory of 4420	2020	RdrCEF.exe	93
PID 2020 wrote to memory of 4420	2020	RdrCEF.exe	93
PID 2020 wrote to memory of 4420	2020	RdrCEF.exe	93
PID 2020 wrote to memory of 4420	2020	RdrCEF.exe	93
PID 2020 wrote to memory of 4420	2020	RdrCEF.exe	93
PID 2020 wrote to memory of 4420	2020	RdrCEF.exe	93
PID 2020 wrote to memory of 4420	2020	RdrCEF.exe	93
PID 2020 wrote to memory of 4420	2020	RdrCEF.exe	93
PID 2020 wrote to memory of 4420	2020	RdrCEF.exe	93
PID 2020 wrote to memory of 4420	2020	RdrCEF.exe	93
PID 2020 wrote to memory of 4420	2020	RdrCEF.exe	93
PID 2020 wrote to memory of 4420	2020	RdrCEF.exe	93
PID 2020 wrote to memory of 4420	2020	RdrCEF.exe	93
PID 2020 wrote to memory of 4420	2020	RdrCEF.exe	93
PID 2020 wrote to memory of 4420	2020	RdrCEF.exe	93
PID 2020 wrote to memory of 4420	2020	RdrCEF.exe	93
PID 2020 wrote to memory of 4420	2020	RdrCEF.exe	93
PID 2020 wrote to memory of 4420	2020	RdrCEF.exe	93
PID 2020 wrote to memory of 4420	2020	RdrCEF.exe	93
PID 2020 wrote to memory of 4420	2020	RdrCEF.exe	93
PID 2020 wrote to memory of 4420	2020	RdrCEF.exe	93
PID 2020 wrote to memory of 4420	2020	RdrCEF.exe	93
PID 2020 wrote to memory of 4420	2020	RdrCEF.exe	93
PID 2020 wrote to memory of 4420	2020	RdrCEF.exe	93
PID 2020 wrote to memory of 4420	2020	RdrCEF.exe	93
PID 2020 wrote to memory of 4420	2020	RdrCEF.exe	93
PID 2020 wrote to memory of 4420	2020	RdrCEF.exe	93
PID 2020 wrote to memory of 4420	2020	RdrCEF.exe	93
PID 2020 wrote to memory of 4420	2020	RdrCEF.exe	93
PID 2020 wrote to memory of 4420	2020	RdrCEF.exe	93
PID 2020 wrote to memory of 4420	2020	RdrCEF.exe	93
PID 2020 wrote to memory of 2736	2020	RdrCEF.exe	94
PID 2020 wrote to memory of 2736	2020	RdrCEF.exe	94
PID 2020 wrote to memory of 2736	2020	RdrCEF.exe	94
PID 2020 wrote to memory of 2736	2020	RdrCEF.exe	94
PID 2020 wrote to memory of 2736	2020	RdrCEF.exe	94
PID 2020 wrote to memory of 2736	2020	RdrCEF.exe	94
PID 2020 wrote to memory of 2736	2020	RdrCEF.exe	94
PID 2020 wrote to memory of 2736	2020	RdrCEF.exe	94
PID 2020 wrote to memory of 2736	2020	RdrCEF.exe	94
PID 2020 wrote to memory of 2736	2020	RdrCEF.exe	94
PID 2020 wrote to memory of 2736	2020	RdrCEF.exe	94
PID 2020 wrote to memory of 2736	2020	RdrCEF.exe	94
PID 2020 wrote to memory of 2736	2020	RdrCEF.exe	94
PID 2020 wrote to memory of 2736	2020	RdrCEF.exe	94
PID 2020 wrote to memory of 2736	2020	RdrCEF.exe	94
PID 2020 wrote to memory of 2736	2020	RdrCEF.exe	94
PID 2020 wrote to memory of 2736	2020	RdrCEF.exe	94
PID 2020 wrote to memory of 2736	2020	RdrCEF.exe	94
PID 2020 wrote to memory of 2736	2020	RdrCEF.exe	94
PID 2020 wrote to memory of 2736	2020	RdrCEF.exe	94

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\143ae6938fe1709d259d3290d18aef20N.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:2620
- 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:2020
- - 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=EC33E47930A30CC1B6CC5E9835B016F1 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4420
- - 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=ED56A50664CDCEBB93D24486866218CD --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=ED56A50664CDCEBB93D24486866218CD --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2736
- - 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=FDCC96B06F245F5332609B98D1A30DC5 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4516
- - 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=B73C96096BA99289A5F8737F3D951CB8 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1560
- - 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=84DBF307731276B3E37C958B5A54B0E2 --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=84DBF307731276B3E37C958B5A54B0E2 --renderer-client-id=6 --mojo-platform-channel-handle=2456 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4788
- - 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=9BC9B5C0447CCDE5C6DAAF61F761422B --mojo-platform-channel-handle=2532 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4496

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2676

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 --field-trial-handle=4208,i,17211346206607097582,14783440229797954268,262144 --variations-seed-version --mojo-platform-channel-handle=4160 /prefetch:8
1⤵
PID:2216

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
89eb22ece7a79cdfff3553ae24dc4b1c

SHA1
2f61611cface763c8988dafcd535b6a99c92d761

SHA256
9ad9e980a54a1941a8df2826a712d081f3d7f9af532bb1b0cdd2818dce2c02ae

SHA512
a195f5aba4cc2ff4dee53cca73886b83543d366ee9e61b5ea642089d4ad6c10b82a6e34fce32b56cfac40e4d7581845767940d9d6b18c46f91e18d6dc1e64e79

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