d344bbde845224617201e6e228bdb66b62e55e786e887492bcddf2d93162c571

Analysis

max time kernel
142s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19-12-2023 12:48

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General

Target

284e3e21832a02be045e011c1981dd3c.pdf
Size

89KB
MD5

284e3e21832a02be045e011c1981dd3c
SHA1

6783eed661d00b4fb319fe2d2bf65a514f196a98
SHA256

d344bbde845224617201e6e228bdb66b62e55e786e887492bcddf2d93162c571
SHA512

7fba1a2832cba3290f4fe3faa2ddfd5742870722f88043edde340cf179c38b7b0d7a5a0ccafd9ca28cac297ddac1cb9a8338ee72feed11f8f41711fe8d68a438
SSDEEP

1536:mblCFNTS/TeATcG5M2DmFbmY658vt8EbZStWrs8geG6JUuVWwpOSowSRY:ylIN+71TcG62DmFbmBGvqCZSreG6JUu/

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
792	AcroRd32.exe
792	AcroRd32.exe
792	AcroRd32.exe
792	AcroRd32.exe
792	AcroRd32.exe
792	AcroRd32.exe
792	AcroRd32.exe
792	AcroRd32.exe
792	AcroRd32.exe
792	AcroRd32.exe
792	AcroRd32.exe
792	AcroRd32.exe
792	AcroRd32.exe
792	AcroRd32.exe
792	AcroRd32.exe
792	AcroRd32.exe
792	AcroRd32.exe
792	AcroRd32.exe
792	AcroRd32.exe
792	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
792	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
792	AcroRd32.exe
792	AcroRd32.exe
792	AcroRd32.exe
792	AcroRd32.exe
792	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 792 wrote to memory of 1132	792	AcroRd32.exe	92
PID 792 wrote to memory of 1132	792	AcroRd32.exe	92
PID 792 wrote to memory of 1132	792	AcroRd32.exe	92
PID 1132 wrote to memory of 3576	1132	RdrCEF.exe	93
PID 1132 wrote to memory of 3576	1132	RdrCEF.exe	93
PID 1132 wrote to memory of 3576	1132	RdrCEF.exe	93
PID 1132 wrote to memory of 3576	1132	RdrCEF.exe	93
PID 1132 wrote to memory of 3576	1132	RdrCEF.exe	93
PID 1132 wrote to memory of 3576	1132	RdrCEF.exe	93
PID 1132 wrote to memory of 3576	1132	RdrCEF.exe	93
PID 1132 wrote to memory of 3576	1132	RdrCEF.exe	93
PID 1132 wrote to memory of 3576	1132	RdrCEF.exe	93
PID 1132 wrote to memory of 3576	1132	RdrCEF.exe	93
PID 1132 wrote to memory of 3576	1132	RdrCEF.exe	93
PID 1132 wrote to memory of 3576	1132	RdrCEF.exe	93
PID 1132 wrote to memory of 3576	1132	RdrCEF.exe	93
PID 1132 wrote to memory of 3576	1132	RdrCEF.exe	93
PID 1132 wrote to memory of 3576	1132	RdrCEF.exe	93
PID 1132 wrote to memory of 3576	1132	RdrCEF.exe	93
PID 1132 wrote to memory of 3576	1132	RdrCEF.exe	93
PID 1132 wrote to memory of 3576	1132	RdrCEF.exe	93
PID 1132 wrote to memory of 3576	1132	RdrCEF.exe	93
PID 1132 wrote to memory of 3576	1132	RdrCEF.exe	93
PID 1132 wrote to memory of 3576	1132	RdrCEF.exe	93
PID 1132 wrote to memory of 3576	1132	RdrCEF.exe	93
PID 1132 wrote to memory of 3576	1132	RdrCEF.exe	93
PID 1132 wrote to memory of 3576	1132	RdrCEF.exe	93
PID 1132 wrote to memory of 3576	1132	RdrCEF.exe	93
PID 1132 wrote to memory of 3576	1132	RdrCEF.exe	93
PID 1132 wrote to memory of 3576	1132	RdrCEF.exe	93
PID 1132 wrote to memory of 3576	1132	RdrCEF.exe	93
PID 1132 wrote to memory of 3576	1132	RdrCEF.exe	93
PID 1132 wrote to memory of 3576	1132	RdrCEF.exe	93
PID 1132 wrote to memory of 3576	1132	RdrCEF.exe	93
PID 1132 wrote to memory of 3576	1132	RdrCEF.exe	93
PID 1132 wrote to memory of 3576	1132	RdrCEF.exe	93
PID 1132 wrote to memory of 3576	1132	RdrCEF.exe	93
PID 1132 wrote to memory of 3576	1132	RdrCEF.exe	93
PID 1132 wrote to memory of 3576	1132	RdrCEF.exe	93
PID 1132 wrote to memory of 3576	1132	RdrCEF.exe	93
PID 1132 wrote to memory of 3576	1132	RdrCEF.exe	93
PID 1132 wrote to memory of 3576	1132	RdrCEF.exe	93
PID 1132 wrote to memory of 3576	1132	RdrCEF.exe	93
PID 1132 wrote to memory of 3576	1132	RdrCEF.exe	93
PID 1132 wrote to memory of 4504	1132	RdrCEF.exe	94
PID 1132 wrote to memory of 4504	1132	RdrCEF.exe	94
PID 1132 wrote to memory of 4504	1132	RdrCEF.exe	94
PID 1132 wrote to memory of 4504	1132	RdrCEF.exe	94
PID 1132 wrote to memory of 4504	1132	RdrCEF.exe	94
PID 1132 wrote to memory of 4504	1132	RdrCEF.exe	94
PID 1132 wrote to memory of 4504	1132	RdrCEF.exe	94
PID 1132 wrote to memory of 4504	1132	RdrCEF.exe	94
PID 1132 wrote to memory of 4504	1132	RdrCEF.exe	94
PID 1132 wrote to memory of 4504	1132	RdrCEF.exe	94
PID 1132 wrote to memory of 4504	1132	RdrCEF.exe	94
PID 1132 wrote to memory of 4504	1132	RdrCEF.exe	94
PID 1132 wrote to memory of 4504	1132	RdrCEF.exe	94
PID 1132 wrote to memory of 4504	1132	RdrCEF.exe	94
PID 1132 wrote to memory of 4504	1132	RdrCEF.exe	94
PID 1132 wrote to memory of 4504	1132	RdrCEF.exe	94
PID 1132 wrote to memory of 4504	1132	RdrCEF.exe	94
PID 1132 wrote to memory of 4504	1132	RdrCEF.exe	94
PID 1132 wrote to memory of 4504	1132	RdrCEF.exe	94
PID 1132 wrote to memory of 4504	1132	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\284e3e21832a02be045e011c1981dd3c.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:792
- 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:1132
- - 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=1575DEE9AF9586A1DD9040F16E5D0E2F --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3576
- - 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=BFC57B2881CB2C19851DBC3C94B119BE --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=BFC57B2881CB2C19851DBC3C94B119BE --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4504
- - 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=AB38A78AB115011E3566493A3E9BE21F --mojo-platform-channel-handle=2184 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1916
- - 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=3D204D35CD79B2D2F0AB78B5C7A12BDC --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=3D204D35CD79B2D2F0AB78B5C7A12BDC --renderer-client-id=5 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5036
- - 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=2FFCAA4CF0021645F66205762BDDC173 --mojo-platform-channel-handle=2280 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3124
- - 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=3B1D04D87EC0547ECAB832EBE52DA9D8 --mojo-platform-channel-handle=2440 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4228

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4624

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
bf7eabc91fad0cfab4e178c2e50718f1

SHA1
3dabbbc8fa09650889ded76d40074c0c7b999d74

SHA256
c519b7e7250c86c8f56ecea04a22eee64f7bd8a4191d607cbbf24f8fd9c86b7a

SHA512
6f33051fb623e2ad02b506f3b38294942108ba3624470eea1e40865a949db05255dcfd6d254e0e566c6eeffe52c2d4730651e1c5224c7db83a0d03dec131121e

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