78819221dff0f45599626195eab61a37d1dfed6107e634030353a82464f81c81

Analysis

max time kernel
151s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
13-01-2024 15:43

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General

Target

5918e16a30e2749350b977aa087355e7.pdf
Size

51KB
MD5

5918e16a30e2749350b977aa087355e7
SHA1

0cc83267ac81d2f7207854c62053daf7286d7e76
SHA256

78819221dff0f45599626195eab61a37d1dfed6107e634030353a82464f81c81
SHA512

d73c139ba405f488d934bd0dca7ed5dc3d83c75a37ca20b5f0e774b8db48244dac68942e854ac57c82b94b222ed795323f26aa3dfe38e64d009b741f1936a412
SSDEEP

1536:F0xWZzBopmPKA1Ug5iGCpvqTOeBJBOpy0bfcxo:GizBocPD1UgEGAiTOYJB4Rcq

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-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2304	AcroRd32.exe
2304	AcroRd32.exe
2304	AcroRd32.exe
2304	AcroRd32.exe
2304	AcroRd32.exe
2304	AcroRd32.exe
2304	AcroRd32.exe
2304	AcroRd32.exe
2304	AcroRd32.exe
2304	AcroRd32.exe
2304	AcroRd32.exe
2304	AcroRd32.exe
2304	AcroRd32.exe
2304	AcroRd32.exe
2304	AcroRd32.exe
2304	AcroRd32.exe
2304	AcroRd32.exe
2304	AcroRd32.exe
2304	AcroRd32.exe
2304	AcroRd32.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
2304	AcroRd32.exe
2304	AcroRd32.exe
2304	AcroRd32.exe
2304	AcroRd32.exe
2304	AcroRd32.exe
2304	AcroRd32.exe
2304	AcroRd32.exe
2304	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2304 wrote to memory of 1848	2304	AcroRd32.exe	92
PID 2304 wrote to memory of 1848	2304	AcroRd32.exe	92
PID 2304 wrote to memory of 1848	2304	AcroRd32.exe	92
PID 1848 wrote to memory of 1160	1848	RdrCEF.exe	95
PID 1848 wrote to memory of 1160	1848	RdrCEF.exe	95
PID 1848 wrote to memory of 1160	1848	RdrCEF.exe	95
PID 1848 wrote to memory of 1160	1848	RdrCEF.exe	95
PID 1848 wrote to memory of 1160	1848	RdrCEF.exe	95
PID 1848 wrote to memory of 1160	1848	RdrCEF.exe	95
PID 1848 wrote to memory of 1160	1848	RdrCEF.exe	95
PID 1848 wrote to memory of 1160	1848	RdrCEF.exe	95
PID 1848 wrote to memory of 1160	1848	RdrCEF.exe	95
PID 1848 wrote to memory of 1160	1848	RdrCEF.exe	95
PID 1848 wrote to memory of 1160	1848	RdrCEF.exe	95
PID 1848 wrote to memory of 1160	1848	RdrCEF.exe	95
PID 1848 wrote to memory of 1160	1848	RdrCEF.exe	95
PID 1848 wrote to memory of 1160	1848	RdrCEF.exe	95
PID 1848 wrote to memory of 1160	1848	RdrCEF.exe	95
PID 1848 wrote to memory of 1160	1848	RdrCEF.exe	95
PID 1848 wrote to memory of 1160	1848	RdrCEF.exe	95
PID 1848 wrote to memory of 1160	1848	RdrCEF.exe	95
PID 1848 wrote to memory of 1160	1848	RdrCEF.exe	95
PID 1848 wrote to memory of 1160	1848	RdrCEF.exe	95
PID 1848 wrote to memory of 1160	1848	RdrCEF.exe	95
PID 1848 wrote to memory of 1160	1848	RdrCEF.exe	95
PID 1848 wrote to memory of 1160	1848	RdrCEF.exe	95
PID 1848 wrote to memory of 1160	1848	RdrCEF.exe	95
PID 1848 wrote to memory of 1160	1848	RdrCEF.exe	95
PID 1848 wrote to memory of 1160	1848	RdrCEF.exe	95
PID 1848 wrote to memory of 1160	1848	RdrCEF.exe	95
PID 1848 wrote to memory of 1160	1848	RdrCEF.exe	95
PID 1848 wrote to memory of 1160	1848	RdrCEF.exe	95
PID 1848 wrote to memory of 1160	1848	RdrCEF.exe	95
PID 1848 wrote to memory of 1160	1848	RdrCEF.exe	95
PID 1848 wrote to memory of 1160	1848	RdrCEF.exe	95
PID 1848 wrote to memory of 1160	1848	RdrCEF.exe	95
PID 1848 wrote to memory of 1160	1848	RdrCEF.exe	95
PID 1848 wrote to memory of 1160	1848	RdrCEF.exe	95
PID 1848 wrote to memory of 1160	1848	RdrCEF.exe	95
PID 1848 wrote to memory of 1160	1848	RdrCEF.exe	95
PID 1848 wrote to memory of 1160	1848	RdrCEF.exe	95
PID 1848 wrote to memory of 1160	1848	RdrCEF.exe	95
PID 1848 wrote to memory of 1160	1848	RdrCEF.exe	95
PID 1848 wrote to memory of 1160	1848	RdrCEF.exe	95
PID 1848 wrote to memory of 4060	1848	RdrCEF.exe	96
PID 1848 wrote to memory of 4060	1848	RdrCEF.exe	96
PID 1848 wrote to memory of 4060	1848	RdrCEF.exe	96
PID 1848 wrote to memory of 4060	1848	RdrCEF.exe	96
PID 1848 wrote to memory of 4060	1848	RdrCEF.exe	96
PID 1848 wrote to memory of 4060	1848	RdrCEF.exe	96
PID 1848 wrote to memory of 4060	1848	RdrCEF.exe	96
PID 1848 wrote to memory of 4060	1848	RdrCEF.exe	96
PID 1848 wrote to memory of 4060	1848	RdrCEF.exe	96
PID 1848 wrote to memory of 4060	1848	RdrCEF.exe	96
PID 1848 wrote to memory of 4060	1848	RdrCEF.exe	96
PID 1848 wrote to memory of 4060	1848	RdrCEF.exe	96
PID 1848 wrote to memory of 4060	1848	RdrCEF.exe	96
PID 1848 wrote to memory of 4060	1848	RdrCEF.exe	96
PID 1848 wrote to memory of 4060	1848	RdrCEF.exe	96
PID 1848 wrote to memory of 4060	1848	RdrCEF.exe	96
PID 1848 wrote to memory of 4060	1848	RdrCEF.exe	96
PID 1848 wrote to memory of 4060	1848	RdrCEF.exe	96
PID 1848 wrote to memory of 4060	1848	RdrCEF.exe	96
PID 1848 wrote to memory of 4060	1848	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\5918e16a30e2749350b977aa087355e7.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2304
- 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:1848
- - 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=10E53F383AA3B54D5CE79ADD91A9E56D --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1160
- - 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=9A2ED2CFE05A4E30F1B62D1DC724CB0D --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=9A2ED2CFE05A4E30F1B62D1DC724CB0D --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4060
- - 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=38456DA9F1C370BDA40F34B1850DF5D5 --mojo-platform-channel-handle=2276 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2404
- - 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=2665C1DA880ACD071B3ACB5A7C4ECEBE --mojo-platform-channel-handle=2392 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2288
- - 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=098794FC0D29473710A7F7A892B84280 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3196
- - 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=D91719B16E0398352AA7DEC82D79808D --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=D91719B16E0398352AA7DEC82D79808D --renderer-client-id=8 --mojo-platform-channel-handle=2288 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3204

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4704

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
5affc5e238b0d2e9b1697197e335b7a0

SHA1
3e6fc1bf17f045012155cb06ba3af585786e77a9

SHA256
3913f227aea1a62d1667a846eacb4e2e202f29e7634721437037bf3985b9ffcd

SHA512
d8b31f1e6ca5228c81c0ab658f7ae50b320d0253401dcdc34af4b7cbb609e50215104ce5b9d3dd16d387e881a465538970fe38a0db6852c2a60d68b5c76d6e50

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
C:\Users\Admin\AppData\Local\Adobe\Acrobat\DC\SharedDataEvents

Filesize
12KB

MD5
8374b8a5f6f453b74da97e04de6364c8

SHA1
a46d1cdd5014a49cf4dca0d8ce7ecb7b00fad33f

SHA256
ebf3bace05e677724adc4d0bebbeeba2b67d80a8869e4494ef5ec53a9c9b9ba8

SHA512
cdbaef0a468a16f48028742ac8063c826f30e3ad5aa44d3a7939f0d10d2fcbe1e0ca4e7e4eabf9a97263a3ef14eadfd7f76ea1126981d6becb7e035660db2bd5

Download Submit