67013d18ef5a59836faf016ada3263a9805c77995c50e3fd3bdd8d6b8567969a

Analysis

max time kernel
150s
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
08/01/2024, 03:42

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General

Target
4a58b7a658a15cdf82abf05090d7a77f.pdf
Size 35KB
Sample240108-d9vl2saecp
SHA256 67013d18ef5a59836faf016ada3263a9805c77995c50e3fd3bdd8d6b8567969a
MD5 4a58b7a658a15cdf82abf05090d7a77f
SHA1 09bd4c0e48472b3f696596ad97319da33bf56824
SHA512 f1e37d06729be8a1c98fbddd07a442cd435ef7c24611da60b357ed9f246b2b133e9a2732540876772972be6605b142f49609ed7e6c327b74d66fddd8b000a58a
SSDEEP 768:/OcOqrlee4/R5CIhnnY8R5cL18d9Wgsih+pae9iAoZj7S3eKDt/nFe0nlll9BBOA:/OcOqr8e4/R5CIFRQL18d9WQ8wJIemQ8
MD5 SHA1 SHA512 SSDEEP

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2528	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2528 wrote to memory of 4520	2528	AcroRd32.exe	93
PID 2528 wrote to memory of 4520	2528	AcroRd32.exe	93
PID 2528 wrote to memory of 4520	2528	AcroRd32.exe	93
PID 4520 wrote to memory of 1696	4520	RdrCEF.exe	96
PID 4520 wrote to memory of 1696	4520	RdrCEF.exe	96
PID 4520 wrote to memory of 1696	4520	RdrCEF.exe	96
PID 4520 wrote to memory of 1696	4520	RdrCEF.exe	96
PID 4520 wrote to memory of 1696	4520	RdrCEF.exe	96
PID 4520 wrote to memory of 1696	4520	RdrCEF.exe	96
PID 4520 wrote to memory of 1696	4520	RdrCEF.exe	96
PID 4520 wrote to memory of 1696	4520	RdrCEF.exe	96
PID 4520 wrote to memory of 1696	4520	RdrCEF.exe	96
PID 4520 wrote to memory of 1696	4520	RdrCEF.exe	96
PID 4520 wrote to memory of 1696	4520	RdrCEF.exe	96
PID 4520 wrote to memory of 1696	4520	RdrCEF.exe	96
PID 4520 wrote to memory of 1696	4520	RdrCEF.exe	96
PID 4520 wrote to memory of 1696	4520	RdrCEF.exe	96
PID 4520 wrote to memory of 1696	4520	RdrCEF.exe	96
PID 4520 wrote to memory of 1696	4520	RdrCEF.exe	96
PID 4520 wrote to memory of 1696	4520	RdrCEF.exe	96
PID 4520 wrote to memory of 1696	4520	RdrCEF.exe	96
PID 4520 wrote to memory of 1696	4520	RdrCEF.exe	96
PID 4520 wrote to memory of 1696	4520	RdrCEF.exe	96
PID 4520 wrote to memory of 1696	4520	RdrCEF.exe	96
PID 4520 wrote to memory of 1696	4520	RdrCEF.exe	96
PID 4520 wrote to memory of 1696	4520	RdrCEF.exe	96
PID 4520 wrote to memory of 1696	4520	RdrCEF.exe	96
PID 4520 wrote to memory of 1696	4520	RdrCEF.exe	96
PID 4520 wrote to memory of 1696	4520	RdrCEF.exe	96
PID 4520 wrote to memory of 1696	4520	RdrCEF.exe	96
PID 4520 wrote to memory of 1696	4520	RdrCEF.exe	96
PID 4520 wrote to memory of 1696	4520	RdrCEF.exe	96
PID 4520 wrote to memory of 1696	4520	RdrCEF.exe	96
PID 4520 wrote to memory of 1696	4520	RdrCEF.exe	96
PID 4520 wrote to memory of 1696	4520	RdrCEF.exe	96
PID 4520 wrote to memory of 1696	4520	RdrCEF.exe	96
PID 4520 wrote to memory of 1696	4520	RdrCEF.exe	96
PID 4520 wrote to memory of 1696	4520	RdrCEF.exe	96
PID 4520 wrote to memory of 1696	4520	RdrCEF.exe	96
PID 4520 wrote to memory of 1696	4520	RdrCEF.exe	96
PID 4520 wrote to memory of 1696	4520	RdrCEF.exe	96
PID 4520 wrote to memory of 1696	4520	RdrCEF.exe	96
PID 4520 wrote to memory of 1696	4520	RdrCEF.exe	96
PID 4520 wrote to memory of 1696	4520	RdrCEF.exe	96
PID 4520 wrote to memory of 2372	4520	RdrCEF.exe	97
PID 4520 wrote to memory of 2372	4520	RdrCEF.exe	97
PID 4520 wrote to memory of 2372	4520	RdrCEF.exe	97
PID 4520 wrote to memory of 2372	4520	RdrCEF.exe	97
PID 4520 wrote to memory of 2372	4520	RdrCEF.exe	97
PID 4520 wrote to memory of 2372	4520	RdrCEF.exe	97
PID 4520 wrote to memory of 2372	4520	RdrCEF.exe	97
PID 4520 wrote to memory of 2372	4520	RdrCEF.exe	97
PID 4520 wrote to memory of 2372	4520	RdrCEF.exe	97
PID 4520 wrote to memory of 2372	4520	RdrCEF.exe	97
PID 4520 wrote to memory of 2372	4520	RdrCEF.exe	97
PID 4520 wrote to memory of 2372	4520	RdrCEF.exe	97
PID 4520 wrote to memory of 2372	4520	RdrCEF.exe	97
PID 4520 wrote to memory of 2372	4520	RdrCEF.exe	97
PID 4520 wrote to memory of 2372	4520	RdrCEF.exe	97
PID 4520 wrote to memory of 2372	4520	RdrCEF.exe	97
PID 4520 wrote to memory of 2372	4520	RdrCEF.exe	97
PID 4520 wrote to memory of 2372	4520	RdrCEF.exe	97
PID 4520 wrote to memory of 2372	4520	RdrCEF.exe	97
PID 4520 wrote to memory of 2372	4520	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\4a58b7a658a15cdf82abf05090d7a77f.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:2528
- 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:4520
- - 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=CBB2C20DF670D9FB204782B3196F16A0 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1696
- - 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=BD2940DBADC4610B26630068CD6DF775 --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=BD2940DBADC4610B26630068CD6DF775 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2372
- - 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=ECED84E9CB1F0BFACE16911D62D0F71F --mojo-platform-channel-handle=2188 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4832
- - 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=0CC107BDC5C36CBA801A26BA2A3317AD --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=0CC107BDC5C36CBA801A26BA2A3317AD --renderer-client-id=5 --mojo-platform-channel-handle=1972 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4600
- - 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=B3992F47675489E3112ED86640169451 --mojo-platform-channel-handle=2708 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4608
- - 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=7ED0E770F2D23800E9D48E4F2D821F67 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4588

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3456

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

ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 64KB
SHA256 d8f44acb6e696e6f99b8cb3cd7343fab6f82bcb8bb59a8f19f63812e3a14b439
MD5 4f36a27066ec3de3c5e3784dd601e120
SHA1 be051efb9cc3863cbeeebbb51c5ccce91bd51e09
SHA512 d222bf45660297d74a25e007afb9c936343ba71950a079327a96cb6f8862afad749de1c06a271e19772f6d262b989a36ff74fbed0b1224a674c6b7193ad7dd74
SSDEEP 384:yeydThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:h+elZsLQCZsL3hUS4
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 36KB
SHA256 b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
MD5 b30d3becc8731792523d599d949e63f5
SHA1 19350257e42d7aee17fb3bf139a9d3adb330fad4
SHA512 523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
SSDEEP 24:TLiXlzkrFsgIFsxX3pALXmnHpkDGjmcxBSkomXk+2m9RFTsyg+wmf9Mzm+Zs3tGl:TqlmFTIF3XmHjBoGGR+jMz+LhT
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 56KB
SHA256 111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
MD5 752a1f26b18748311b691c7d8fc20633
SHA1 c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA512 a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5
SSDEEP 192:wedRBvVrThe4p4/KhTB4p4CitZtkZsLRGVDbw6H3ph+v3YQa9:weZdThkKhBvkZsLRGlzh+vS9
MD5 SHA1 SHA512 SSDEEP

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memory/2528-26-0x000000000A0F0000-0x000000000A140000-memory.dmp

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memory/2528-27-0x000000000A0F0000-0x000000000A111000-memory.dmp

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