a9c0d42c392d9ef23e68741953b70119de23a6e14d32bb9d3e5d4ec24bfffbac

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
14/01/2024, 01:20

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General

Target

59e692f4c7b50785eb116d7097b79d06.pdf
Size

89KB
MD5

59e692f4c7b50785eb116d7097b79d06
SHA1

f850a7d3d1e51e212aa5ab94f6d2f38fc857dee0
SHA256

a9c0d42c392d9ef23e68741953b70119de23a6e14d32bb9d3e5d4ec24bfffbac
SHA512

9fdda457c0ec844494495c795c4a1dafc30bc1334072d8854d0ae8538e6b3a1eec311cabce4fea223af77c651718ad52a636454620dfbef053a01a7d5f61adb5
SSDEEP

1536:zVK8+xmkrVHyBUpU/AogfP3t9Ml/2sCfGIVnyUYhfkiKXWYpO2lEWAQnh5WjGJKC:A8bkrVHwCmgXt9Ml/2sZIYNke2SWAQhn

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4064	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4064 wrote to memory of 2936	4064	AcroRd32.exe	96
PID 4064 wrote to memory of 2936	4064	AcroRd32.exe	96
PID 4064 wrote to memory of 2936	4064	AcroRd32.exe	96
PID 2936 wrote to memory of 3012	2936	RdrCEF.exe	97
PID 2936 wrote to memory of 3012	2936	RdrCEF.exe	97
PID 2936 wrote to memory of 3012	2936	RdrCEF.exe	97
PID 2936 wrote to memory of 3012	2936	RdrCEF.exe	97
PID 2936 wrote to memory of 3012	2936	RdrCEF.exe	97
PID 2936 wrote to memory of 3012	2936	RdrCEF.exe	97
PID 2936 wrote to memory of 3012	2936	RdrCEF.exe	97
PID 2936 wrote to memory of 3012	2936	RdrCEF.exe	97
PID 2936 wrote to memory of 3012	2936	RdrCEF.exe	97
PID 2936 wrote to memory of 3012	2936	RdrCEF.exe	97
PID 2936 wrote to memory of 3012	2936	RdrCEF.exe	97
PID 2936 wrote to memory of 3012	2936	RdrCEF.exe	97
PID 2936 wrote to memory of 3012	2936	RdrCEF.exe	97
PID 2936 wrote to memory of 3012	2936	RdrCEF.exe	97
PID 2936 wrote to memory of 3012	2936	RdrCEF.exe	97
PID 2936 wrote to memory of 3012	2936	RdrCEF.exe	97
PID 2936 wrote to memory of 3012	2936	RdrCEF.exe	97
PID 2936 wrote to memory of 3012	2936	RdrCEF.exe	97
PID 2936 wrote to memory of 3012	2936	RdrCEF.exe	97
PID 2936 wrote to memory of 3012	2936	RdrCEF.exe	97
PID 2936 wrote to memory of 3012	2936	RdrCEF.exe	97
PID 2936 wrote to memory of 3012	2936	RdrCEF.exe	97
PID 2936 wrote to memory of 3012	2936	RdrCEF.exe	97
PID 2936 wrote to memory of 3012	2936	RdrCEF.exe	97
PID 2936 wrote to memory of 3012	2936	RdrCEF.exe	97
PID 2936 wrote to memory of 3012	2936	RdrCEF.exe	97
PID 2936 wrote to memory of 3012	2936	RdrCEF.exe	97
PID 2936 wrote to memory of 3012	2936	RdrCEF.exe	97
PID 2936 wrote to memory of 3012	2936	RdrCEF.exe	97
PID 2936 wrote to memory of 3012	2936	RdrCEF.exe	97
PID 2936 wrote to memory of 3012	2936	RdrCEF.exe	97
PID 2936 wrote to memory of 3012	2936	RdrCEF.exe	97
PID 2936 wrote to memory of 3012	2936	RdrCEF.exe	97
PID 2936 wrote to memory of 3012	2936	RdrCEF.exe	97
PID 2936 wrote to memory of 3012	2936	RdrCEF.exe	97
PID 2936 wrote to memory of 3012	2936	RdrCEF.exe	97
PID 2936 wrote to memory of 3012	2936	RdrCEF.exe	97
PID 2936 wrote to memory of 3012	2936	RdrCEF.exe	97
PID 2936 wrote to memory of 3012	2936	RdrCEF.exe	97
PID 2936 wrote to memory of 3012	2936	RdrCEF.exe	97
PID 2936 wrote to memory of 3012	2936	RdrCEF.exe	97
PID 2936 wrote to memory of 3920	2936	RdrCEF.exe	98
PID 2936 wrote to memory of 3920	2936	RdrCEF.exe	98
PID 2936 wrote to memory of 3920	2936	RdrCEF.exe	98
PID 2936 wrote to memory of 3920	2936	RdrCEF.exe	98
PID 2936 wrote to memory of 3920	2936	RdrCEF.exe	98
PID 2936 wrote to memory of 3920	2936	RdrCEF.exe	98
PID 2936 wrote to memory of 3920	2936	RdrCEF.exe	98
PID 2936 wrote to memory of 3920	2936	RdrCEF.exe	98
PID 2936 wrote to memory of 3920	2936	RdrCEF.exe	98
PID 2936 wrote to memory of 3920	2936	RdrCEF.exe	98
PID 2936 wrote to memory of 3920	2936	RdrCEF.exe	98
PID 2936 wrote to memory of 3920	2936	RdrCEF.exe	98
PID 2936 wrote to memory of 3920	2936	RdrCEF.exe	98
PID 2936 wrote to memory of 3920	2936	RdrCEF.exe	98
PID 2936 wrote to memory of 3920	2936	RdrCEF.exe	98
PID 2936 wrote to memory of 3920	2936	RdrCEF.exe	98
PID 2936 wrote to memory of 3920	2936	RdrCEF.exe	98
PID 2936 wrote to memory of 3920	2936	RdrCEF.exe	98
PID 2936 wrote to memory of 3920	2936	RdrCEF.exe	98
PID 2936 wrote to memory of 3920	2936	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\59e692f4c7b50785eb116d7097b79d06.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:4064
- 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:2936
- - 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=5F336E7C596AC26343314A28B730443B --mojo-platform-channel-handle=1716 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3012
- - 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=A50EC04F983FFE188DB9A0A4210E660B --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=A50EC04F983FFE188DB9A0A4210E660B --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3920
- - 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=A6642766B04CC0D3E5A5FB34B17A3243 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4732
- - 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=EBF662EA73E8ADB25AB8D08EDE444960 --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=EBF662EA73E8ADB25AB8D08EDE444960 --renderer-client-id=5 --mojo-platform-channel-handle=1960 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3336
- - 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=78B8D113390A11D3596DF435D23FC9D2 --mojo-platform-channel-handle=2684 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4332
- - 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=8DD4BC5820E92A1B85168617422202CD --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4444

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4468

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
b6e199a185ddafdd3ea6cff1947fea22

SHA1
3353c34a168f66f352eb02e9fcae1485e40358fd

SHA256
322722d5207c2521220251b1219ce733ba5292fa0a118a86ec0f40813571e8db

SHA512
5a647311c83986359664542fa9d4c89e48e46fd11ffca746ff88ede676217e3720b43f7e884c3b7d3936a8c548b3a457d29d90ab9ed61503570f7fb26cfb9c43

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
c26ed30e7d5ab440480838636efc41db

SHA1
c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591

SHA256
6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef

SHA512
96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit