5d2249bd2fdf2a92fda24972fe7408af08b8dd9691a29ff8dc74de8e6fcfec1f

Analysis

max time kernel
141s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
23-01-2024 19:38

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General

Target

7064e4d4234fa5a6e4b0d2f38bc19da7.pdf
Size

92KB
MD5

7064e4d4234fa5a6e4b0d2f38bc19da7
SHA1

e5f1caf62999a0ed9ce525d7e5804ec971b0d6eb
SHA256

5d2249bd2fdf2a92fda24972fe7408af08b8dd9691a29ff8dc74de8e6fcfec1f
SHA512

72ee83c858b951a968a6de38f8fbc59cac1cd3311bba250fefaec3938ede85676d132f88ad893ddc908179615f4316c617e9757c2e2e27bbc1fb0542673cd15b
SSDEEP

1536:6RcQ8NYKG3B+UXJbKvP2hQACpW7qfdnVn7V+OULU8UnFPOciVKUpkkWapOtQHWoR:WzdKG3B+YJQuhHCpW7qvlKFUFI8UpkFG

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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4588	AcroRd32.exe
4588	AcroRd32.exe
4588	AcroRd32.exe
4588	AcroRd32.exe
4588	AcroRd32.exe
4588	AcroRd32.exe
4588	AcroRd32.exe
4588	AcroRd32.exe
4588	AcroRd32.exe
4588	AcroRd32.exe
4588	AcroRd32.exe
4588	AcroRd32.exe
4588	AcroRd32.exe
4588	AcroRd32.exe
4588	AcroRd32.exe
4588	AcroRd32.exe
4588	AcroRd32.exe
4588	AcroRd32.exe
4588	AcroRd32.exe
4588	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4588	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4588	AcroRd32.exe
4588	AcroRd32.exe
4588	AcroRd32.exe
4588	AcroRd32.exe
4588	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4588 wrote to memory of 796	4588	AcroRd32.exe	90
PID 4588 wrote to memory of 796	4588	AcroRd32.exe	90
PID 4588 wrote to memory of 796	4588	AcroRd32.exe	90
PID 796 wrote to memory of 2940	796	RdrCEF.exe	92
PID 796 wrote to memory of 2940	796	RdrCEF.exe	92
PID 796 wrote to memory of 2940	796	RdrCEF.exe	92
PID 796 wrote to memory of 2940	796	RdrCEF.exe	92
PID 796 wrote to memory of 2940	796	RdrCEF.exe	92
PID 796 wrote to memory of 2940	796	RdrCEF.exe	92
PID 796 wrote to memory of 2940	796	RdrCEF.exe	92
PID 796 wrote to memory of 2940	796	RdrCEF.exe	92
PID 796 wrote to memory of 2940	796	RdrCEF.exe	92
PID 796 wrote to memory of 2940	796	RdrCEF.exe	92
PID 796 wrote to memory of 2940	796	RdrCEF.exe	92
PID 796 wrote to memory of 2940	796	RdrCEF.exe	92
PID 796 wrote to memory of 2940	796	RdrCEF.exe	92
PID 796 wrote to memory of 2940	796	RdrCEF.exe	92
PID 796 wrote to memory of 2940	796	RdrCEF.exe	92
PID 796 wrote to memory of 2940	796	RdrCEF.exe	92
PID 796 wrote to memory of 2940	796	RdrCEF.exe	92
PID 796 wrote to memory of 2940	796	RdrCEF.exe	92
PID 796 wrote to memory of 2940	796	RdrCEF.exe	92
PID 796 wrote to memory of 2940	796	RdrCEF.exe	92
PID 796 wrote to memory of 2940	796	RdrCEF.exe	92
PID 796 wrote to memory of 2940	796	RdrCEF.exe	92
PID 796 wrote to memory of 2940	796	RdrCEF.exe	92
PID 796 wrote to memory of 2940	796	RdrCEF.exe	92
PID 796 wrote to memory of 2940	796	RdrCEF.exe	92
PID 796 wrote to memory of 2940	796	RdrCEF.exe	92
PID 796 wrote to memory of 2940	796	RdrCEF.exe	92
PID 796 wrote to memory of 2940	796	RdrCEF.exe	92
PID 796 wrote to memory of 2940	796	RdrCEF.exe	92
PID 796 wrote to memory of 2940	796	RdrCEF.exe	92
PID 796 wrote to memory of 2940	796	RdrCEF.exe	92
PID 796 wrote to memory of 2940	796	RdrCEF.exe	92
PID 796 wrote to memory of 2940	796	RdrCEF.exe	92
PID 796 wrote to memory of 2940	796	RdrCEF.exe	92
PID 796 wrote to memory of 2940	796	RdrCEF.exe	92
PID 796 wrote to memory of 2940	796	RdrCEF.exe	92
PID 796 wrote to memory of 2940	796	RdrCEF.exe	92
PID 796 wrote to memory of 2940	796	RdrCEF.exe	92
PID 796 wrote to memory of 2940	796	RdrCEF.exe	92
PID 796 wrote to memory of 2940	796	RdrCEF.exe	92
PID 796 wrote to memory of 2940	796	RdrCEF.exe	92
PID 796 wrote to memory of 2600	796	RdrCEF.exe	91
PID 796 wrote to memory of 2600	796	RdrCEF.exe	91
PID 796 wrote to memory of 2600	796	RdrCEF.exe	91
PID 796 wrote to memory of 2600	796	RdrCEF.exe	91
PID 796 wrote to memory of 2600	796	RdrCEF.exe	91
PID 796 wrote to memory of 2600	796	RdrCEF.exe	91
PID 796 wrote to memory of 2600	796	RdrCEF.exe	91
PID 796 wrote to memory of 2600	796	RdrCEF.exe	91
PID 796 wrote to memory of 2600	796	RdrCEF.exe	91
PID 796 wrote to memory of 2600	796	RdrCEF.exe	91
PID 796 wrote to memory of 2600	796	RdrCEF.exe	91
PID 796 wrote to memory of 2600	796	RdrCEF.exe	91
PID 796 wrote to memory of 2600	796	RdrCEF.exe	91
PID 796 wrote to memory of 2600	796	RdrCEF.exe	91
PID 796 wrote to memory of 2600	796	RdrCEF.exe	91
PID 796 wrote to memory of 2600	796	RdrCEF.exe	91
PID 796 wrote to memory of 2600	796	RdrCEF.exe	91
PID 796 wrote to memory of 2600	796	RdrCEF.exe	91
PID 796 wrote to memory of 2600	796	RdrCEF.exe	91
PID 796 wrote to memory of 2600	796	RdrCEF.exe	91

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\7064e4d4234fa5a6e4b0d2f38bc19da7.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:4588
- 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:796
- - 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=C6F6BFE6E964E4E7C0AF678B5E95BA0B --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=C6F6BFE6E964E4E7C0AF678B5E95BA0B --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2600
- - 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=58599885D6FAE1A3CA3B2DBFA78D2A52 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2940
- - 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=A7C6C1162A190C28FF412D5D182C85C5 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:8
- - 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=8C923297E13C69650E9F4A7A5ABBA197 --mojo-platform-channel-handle=2332 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1328
- - 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=3C85484A44885700ABC886E9D317C635 --mojo-platform-channel-handle=2532 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2064
- - 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=57A69A8F6825CAE0AA89933EEBB3EF66 --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=57A69A8F6825CAE0AA89933EEBB3EF66 --renderer-client-id=6 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3228

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3060

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
26KB

MD5
399db6985e74348e94d00b6737338c9e

SHA1
1a79757c7253543bef99ac8bc345a493c6d4b6d2

SHA256
7f83d0395aaebf25a15386c77f27dd71aeca86b25b277292d6bc58c3b09fa279

SHA512
888581de67c82dc7625f36401c554e982b22c813d4e2fb421bc3c0239af9ae784e82b7af9f50fa70f5eb7bc7ae4d342347f6951021f3779c2d59d848730048b3

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

Filesize
5KB

MD5
fc14b0faa2e7be6479a5cd957de2c59e

SHA1
614637c4e1250ff09d8541c418c7ca1b2ce58e93

SHA256
910e224b2ce0be8b22f2fb9a4672fa2837573cc881cb4126909ae55f76c8477c

SHA512
9bca535f236e3f0112ad2bdefbcd640c3bdf40cc0fe21fe69b5e8a6134eaa386cc53f80fd17d43c7f88c3bad51908dfa94655e9d1eadc59047ee20e32af63057

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit