2585a300f54ffaae3c5c439a834ae906a3fee24641eae96c1da6b8ba51a48b84

Analysis

max time kernel
143s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26/01/2024, 05:57

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General

Target

76922572bcfa0f835de4c54678719893.pdf
Size

42KB
MD5

76922572bcfa0f835de4c54678719893
SHA1

a615c1af3b8fb4ea66bcd2a959a960af7f7f96a9
SHA256

2585a300f54ffaae3c5c439a834ae906a3fee24641eae96c1da6b8ba51a48b84
SHA512

ec133193a4d0553cde09d98f8fe1aa383a39f45e8684940118518908f02b9acd12cedbfa3fe3621de478adee6bdf96bb3ce198eeb7e54f05c1b4dc491b41340a
SSDEEP

768:4M+XSzS1ymgPk/GCj3SKnnLURsy0b32UhfIfWdyWRRG:s0kRSWLURUb32TfWd3RG

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-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3728	AcroRd32.exe
3728	AcroRd32.exe
3728	AcroRd32.exe
3728	AcroRd32.exe
3728	AcroRd32.exe
3728	AcroRd32.exe
3728	AcroRd32.exe
3728	AcroRd32.exe
3728	AcroRd32.exe
3728	AcroRd32.exe
3728	AcroRd32.exe
3728	AcroRd32.exe
3728	AcroRd32.exe
3728	AcroRd32.exe
3728	AcroRd32.exe
3728	AcroRd32.exe
3728	AcroRd32.exe
3728	AcroRd32.exe
3728	AcroRd32.exe
3728	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3728	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3728	AcroRd32.exe
3728	AcroRd32.exe
3728	AcroRd32.exe
3728	AcroRd32.exe
3728	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3728 wrote to memory of 1828	3728	AcroRd32.exe	91
PID 3728 wrote to memory of 1828	3728	AcroRd32.exe	91
PID 3728 wrote to memory of 1828	3728	AcroRd32.exe	91
PID 1828 wrote to memory of 5072	1828	RdrCEF.exe	93
PID 1828 wrote to memory of 5072	1828	RdrCEF.exe	93
PID 1828 wrote to memory of 5072	1828	RdrCEF.exe	93
PID 1828 wrote to memory of 5072	1828	RdrCEF.exe	93
PID 1828 wrote to memory of 5072	1828	RdrCEF.exe	93
PID 1828 wrote to memory of 5072	1828	RdrCEF.exe	93
PID 1828 wrote to memory of 5072	1828	RdrCEF.exe	93
PID 1828 wrote to memory of 5072	1828	RdrCEF.exe	93
PID 1828 wrote to memory of 5072	1828	RdrCEF.exe	93
PID 1828 wrote to memory of 5072	1828	RdrCEF.exe	93
PID 1828 wrote to memory of 5072	1828	RdrCEF.exe	93
PID 1828 wrote to memory of 5072	1828	RdrCEF.exe	93
PID 1828 wrote to memory of 5072	1828	RdrCEF.exe	93
PID 1828 wrote to memory of 5072	1828	RdrCEF.exe	93
PID 1828 wrote to memory of 5072	1828	RdrCEF.exe	93
PID 1828 wrote to memory of 5072	1828	RdrCEF.exe	93
PID 1828 wrote to memory of 5072	1828	RdrCEF.exe	93
PID 1828 wrote to memory of 5072	1828	RdrCEF.exe	93
PID 1828 wrote to memory of 5072	1828	RdrCEF.exe	93
PID 1828 wrote to memory of 5072	1828	RdrCEF.exe	93
PID 1828 wrote to memory of 5072	1828	RdrCEF.exe	93
PID 1828 wrote to memory of 5072	1828	RdrCEF.exe	93
PID 1828 wrote to memory of 5072	1828	RdrCEF.exe	93
PID 1828 wrote to memory of 5072	1828	RdrCEF.exe	93
PID 1828 wrote to memory of 5072	1828	RdrCEF.exe	93
PID 1828 wrote to memory of 5072	1828	RdrCEF.exe	93
PID 1828 wrote to memory of 5072	1828	RdrCEF.exe	93
PID 1828 wrote to memory of 5072	1828	RdrCEF.exe	93
PID 1828 wrote to memory of 5072	1828	RdrCEF.exe	93
PID 1828 wrote to memory of 5072	1828	RdrCEF.exe	93
PID 1828 wrote to memory of 5072	1828	RdrCEF.exe	93
PID 1828 wrote to memory of 5072	1828	RdrCEF.exe	93
PID 1828 wrote to memory of 5072	1828	RdrCEF.exe	93
PID 1828 wrote to memory of 5072	1828	RdrCEF.exe	93
PID 1828 wrote to memory of 5072	1828	RdrCEF.exe	93
PID 1828 wrote to memory of 5072	1828	RdrCEF.exe	93
PID 1828 wrote to memory of 5072	1828	RdrCEF.exe	93
PID 1828 wrote to memory of 5072	1828	RdrCEF.exe	93
PID 1828 wrote to memory of 5072	1828	RdrCEF.exe	93
PID 1828 wrote to memory of 5072	1828	RdrCEF.exe	93
PID 1828 wrote to memory of 5072	1828	RdrCEF.exe	93
PID 1828 wrote to memory of 1560	1828	RdrCEF.exe	94
PID 1828 wrote to memory of 1560	1828	RdrCEF.exe	94
PID 1828 wrote to memory of 1560	1828	RdrCEF.exe	94
PID 1828 wrote to memory of 1560	1828	RdrCEF.exe	94
PID 1828 wrote to memory of 1560	1828	RdrCEF.exe	94
PID 1828 wrote to memory of 1560	1828	RdrCEF.exe	94
PID 1828 wrote to memory of 1560	1828	RdrCEF.exe	94
PID 1828 wrote to memory of 1560	1828	RdrCEF.exe	94
PID 1828 wrote to memory of 1560	1828	RdrCEF.exe	94
PID 1828 wrote to memory of 1560	1828	RdrCEF.exe	94
PID 1828 wrote to memory of 1560	1828	RdrCEF.exe	94
PID 1828 wrote to memory of 1560	1828	RdrCEF.exe	94
PID 1828 wrote to memory of 1560	1828	RdrCEF.exe	94
PID 1828 wrote to memory of 1560	1828	RdrCEF.exe	94
PID 1828 wrote to memory of 1560	1828	RdrCEF.exe	94
PID 1828 wrote to memory of 1560	1828	RdrCEF.exe	94
PID 1828 wrote to memory of 1560	1828	RdrCEF.exe	94
PID 1828 wrote to memory of 1560	1828	RdrCEF.exe	94
PID 1828 wrote to memory of 1560	1828	RdrCEF.exe	94
PID 1828 wrote to memory of 1560	1828	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\76922572bcfa0f835de4c54678719893.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:3728
- 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:1828
- - 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=03B1421D9BE4CB97346E562D93104E0E --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5072
- - 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=2C4A0256D442244038E2E3442CFA993C --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=2C4A0256D442244038E2E3442CFA993C --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1560
- - 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=B0D4B55501F942E16A1B6DB7ECAC67AF --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4976
- - 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=4AD21893D6A993C0340345006F559DC7 --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=4AD21893D6A993C0340345006F559DC7 --renderer-client-id=5 --mojo-platform-channel-handle=1972 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2268
- - 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=83C12EC671F2144C21EA220520D90DD1 --mojo-platform-channel-handle=2576 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1364
- - 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=0AF0AD89E74870D06A5DD4395BBF656F --mojo-platform-channel-handle=2672 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4720

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3396

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
8705d2902312d9b1a31a4c6ceed6ee2a

SHA1
91983130463d2ef1c7e1031e76e045ff5e76fc65

SHA256
64f26ce551bc2eaf922b87efc4ab4591cb5ed866064468a0b7a647a9e4536d15

SHA512
f470be38f17d233af80cbc73dc251a02cd31be5c3fde926be2c3648b369a7c7749576b47f8afe58fbe8771987749af4ddd0d5213e3db83c76b45f4748aefdb83

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
memory/3728-26-0x0000000009E90000-0x0000000009EE0000-memory.dmp

Filesize
320KB

Download
memory/3728-28-0x00000000091B0000-0x00000000091D1000-memory.dmp

Filesize
132KB

Download