05f841e427db6e8b584a0a3ce954f8f0ef3fa42edf47e9980a341ec3f6dbf2bb

Analysis

max time kernel
150s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
06/03/2024, 11:54

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

b7566ea949e5ce2e6b01fe25ffb180d3.pdf
Size

45KB
MD5

b7566ea949e5ce2e6b01fe25ffb180d3
SHA1

e16486ad644a94743962330ca0cdaa81be986e6d
SHA256

05f841e427db6e8b584a0a3ce954f8f0ef3fa42edf47e9980a341ec3f6dbf2bb
SHA512

c17d0c8c37fa3f5acd40fcec32d9f0a8304ebd5745223bce18e9ac445e9b0c325319c86f0527dd0f7b9f189c9e9e4cedf6f6f4d571b53b1514715b2eb8b13fa5
SSDEEP

768:vgGzpDcayN4WpfYSBhQplOqVp49yqxSLaoN8CBpsH28dpDHs7lag:YGFYacBhX7dCmFdpwlag

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-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4452	AcroRd32.exe
4452	AcroRd32.exe
4452	AcroRd32.exe
4452	AcroRd32.exe
4452	AcroRd32.exe
4452	AcroRd32.exe
4452	AcroRd32.exe
4452	AcroRd32.exe
4452	AcroRd32.exe
4452	AcroRd32.exe
4452	AcroRd32.exe
4452	AcroRd32.exe
4452	AcroRd32.exe
4452	AcroRd32.exe
4452	AcroRd32.exe
4452	AcroRd32.exe
4452	AcroRd32.exe
4452	AcroRd32.exe
4452	AcroRd32.exe
4452	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4452	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4452	AcroRd32.exe
4452	AcroRd32.exe
4452	AcroRd32.exe
4452	AcroRd32.exe
4452	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4452 wrote to memory of 2312	4452	AcroRd32.exe	92
PID 4452 wrote to memory of 2312	4452	AcroRd32.exe	92
PID 4452 wrote to memory of 2312	4452	AcroRd32.exe	92
PID 2312 wrote to memory of 516	2312	RdrCEF.exe	95
PID 2312 wrote to memory of 516	2312	RdrCEF.exe	95
PID 2312 wrote to memory of 516	2312	RdrCEF.exe	95
PID 2312 wrote to memory of 516	2312	RdrCEF.exe	95
PID 2312 wrote to memory of 516	2312	RdrCEF.exe	95
PID 2312 wrote to memory of 516	2312	RdrCEF.exe	95
PID 2312 wrote to memory of 516	2312	RdrCEF.exe	95
PID 2312 wrote to memory of 516	2312	RdrCEF.exe	95
PID 2312 wrote to memory of 516	2312	RdrCEF.exe	95
PID 2312 wrote to memory of 516	2312	RdrCEF.exe	95
PID 2312 wrote to memory of 516	2312	RdrCEF.exe	95
PID 2312 wrote to memory of 516	2312	RdrCEF.exe	95
PID 2312 wrote to memory of 516	2312	RdrCEF.exe	95
PID 2312 wrote to memory of 516	2312	RdrCEF.exe	95
PID 2312 wrote to memory of 516	2312	RdrCEF.exe	95
PID 2312 wrote to memory of 516	2312	RdrCEF.exe	95
PID 2312 wrote to memory of 516	2312	RdrCEF.exe	95
PID 2312 wrote to memory of 516	2312	RdrCEF.exe	95
PID 2312 wrote to memory of 516	2312	RdrCEF.exe	95
PID 2312 wrote to memory of 516	2312	RdrCEF.exe	95
PID 2312 wrote to memory of 516	2312	RdrCEF.exe	95
PID 2312 wrote to memory of 516	2312	RdrCEF.exe	95
PID 2312 wrote to memory of 516	2312	RdrCEF.exe	95
PID 2312 wrote to memory of 516	2312	RdrCEF.exe	95
PID 2312 wrote to memory of 516	2312	RdrCEF.exe	95
PID 2312 wrote to memory of 516	2312	RdrCEF.exe	95
PID 2312 wrote to memory of 516	2312	RdrCEF.exe	95
PID 2312 wrote to memory of 516	2312	RdrCEF.exe	95
PID 2312 wrote to memory of 516	2312	RdrCEF.exe	95
PID 2312 wrote to memory of 516	2312	RdrCEF.exe	95
PID 2312 wrote to memory of 516	2312	RdrCEF.exe	95
PID 2312 wrote to memory of 516	2312	RdrCEF.exe	95
PID 2312 wrote to memory of 516	2312	RdrCEF.exe	95
PID 2312 wrote to memory of 516	2312	RdrCEF.exe	95
PID 2312 wrote to memory of 516	2312	RdrCEF.exe	95
PID 2312 wrote to memory of 516	2312	RdrCEF.exe	95
PID 2312 wrote to memory of 516	2312	RdrCEF.exe	95
PID 2312 wrote to memory of 516	2312	RdrCEF.exe	95
PID 2312 wrote to memory of 516	2312	RdrCEF.exe	95
PID 2312 wrote to memory of 516	2312	RdrCEF.exe	95
PID 2312 wrote to memory of 516	2312	RdrCEF.exe	95
PID 2312 wrote to memory of 1140	2312	RdrCEF.exe	96
PID 2312 wrote to memory of 1140	2312	RdrCEF.exe	96
PID 2312 wrote to memory of 1140	2312	RdrCEF.exe	96
PID 2312 wrote to memory of 1140	2312	RdrCEF.exe	96
PID 2312 wrote to memory of 1140	2312	RdrCEF.exe	96
PID 2312 wrote to memory of 1140	2312	RdrCEF.exe	96
PID 2312 wrote to memory of 1140	2312	RdrCEF.exe	96
PID 2312 wrote to memory of 1140	2312	RdrCEF.exe	96
PID 2312 wrote to memory of 1140	2312	RdrCEF.exe	96
PID 2312 wrote to memory of 1140	2312	RdrCEF.exe	96
PID 2312 wrote to memory of 1140	2312	RdrCEF.exe	96
PID 2312 wrote to memory of 1140	2312	RdrCEF.exe	96
PID 2312 wrote to memory of 1140	2312	RdrCEF.exe	96
PID 2312 wrote to memory of 1140	2312	RdrCEF.exe	96
PID 2312 wrote to memory of 1140	2312	RdrCEF.exe	96
PID 2312 wrote to memory of 1140	2312	RdrCEF.exe	96
PID 2312 wrote to memory of 1140	2312	RdrCEF.exe	96
PID 2312 wrote to memory of 1140	2312	RdrCEF.exe	96
PID 2312 wrote to memory of 1140	2312	RdrCEF.exe	96
PID 2312 wrote to memory of 1140	2312	RdrCEF.exe	96

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\b7566ea949e5ce2e6b01fe25ffb180d3.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:4452
- 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:2312
- - 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=4ECCE03715C637114A96B9F46F39BA9F --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:516
- - 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=7C80CD76F2C6407CDD6ED52272867655 --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=7C80CD76F2C6407CDD6ED52272867655 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1140
- - 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=54F2C28189D9D0B129BD0150D5826116 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3380
- - 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=1A5CAA5EF3FD225725E53762499FCB44 --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=1A5CAA5EF3FD225725E53762499FCB44 --renderer-client-id=5 --mojo-platform-channel-handle=2340 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2904
- - 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=304BB26DBCDCC292086E9286B5569791 --mojo-platform-channel-handle=2368 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1764
- - 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=4FEB2B811D17BD0522F4A6D598FE1569 --mojo-platform-channel-handle=2772 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3136

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3728

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
4f63f6cadfd72e4314076678323af953

SHA1
601f32c1e336bf43ec731b1fef4b07c3e5b1675b

SHA256
dae82ed7bd9e77c6fce349080f1eabbeb11b48a84a846fd22cb1458d32a58967

SHA512
082342101981cb9d5c8832db3dc7bbd8b19ad26b88b8f4da87edac2198a8e25b9aa7985dbce484b7135ca4b20cb095e5e221c1e0896cd7b5959d2c094c353bc1

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