a2437cab1b9480d0ab6a0510648c52b0fac14e1313dd0f2d323b63c9ebd096b2

Analysis

max time kernel
156s
max time network
175s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
05-01-2024 01:42

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General

Target

4271e40dffe6b87df169caeaa4dd8b71.pdf
Size

108KB
MD5

4271e40dffe6b87df169caeaa4dd8b71
SHA1

8bf4124f8029d28290d9cf299cdc97856cdb136e
SHA256

a2437cab1b9480d0ab6a0510648c52b0fac14e1313dd0f2d323b63c9ebd096b2
SHA512

ff11e475bc27107cdc808f18c7380fafe1e12337c8c35fa4b6bdd33ba25b7965810e22ff1e052297b05104794c6d358dcdae76f10f020446735aa7e76d64f15b
SSDEEP

3072:m/Zd5SeAe+xnbgKt8ik9hMrCbxOFTsPWUHz2T/Vz66eWdBV:yZNAeynb9tqD8FTsPbE/Vz6edr

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-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3832	AcroRd32.exe
3832	AcroRd32.exe
3832	AcroRd32.exe
3832	AcroRd32.exe
3832	AcroRd32.exe
3832	AcroRd32.exe
3832	AcroRd32.exe
3832	AcroRd32.exe
3832	AcroRd32.exe
3832	AcroRd32.exe
3832	AcroRd32.exe
3832	AcroRd32.exe
3832	AcroRd32.exe
3832	AcroRd32.exe
3832	AcroRd32.exe
3832	AcroRd32.exe
3832	AcroRd32.exe
3832	AcroRd32.exe
3832	AcroRd32.exe
3832	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3832	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3832	AcroRd32.exe
3832	AcroRd32.exe
3832	AcroRd32.exe
3832	AcroRd32.exe
3832	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3832 wrote to memory of 2672	3832	AcroRd32.exe	93
PID 3832 wrote to memory of 2672	3832	AcroRd32.exe	93
PID 3832 wrote to memory of 2672	3832	AcroRd32.exe	93
PID 2672 wrote to memory of 3244	2672	RdrCEF.exe	95
PID 2672 wrote to memory of 3244	2672	RdrCEF.exe	95
PID 2672 wrote to memory of 3244	2672	RdrCEF.exe	95
PID 2672 wrote to memory of 3244	2672	RdrCEF.exe	95
PID 2672 wrote to memory of 3244	2672	RdrCEF.exe	95
PID 2672 wrote to memory of 3244	2672	RdrCEF.exe	95
PID 2672 wrote to memory of 3244	2672	RdrCEF.exe	95
PID 2672 wrote to memory of 3244	2672	RdrCEF.exe	95
PID 2672 wrote to memory of 3244	2672	RdrCEF.exe	95
PID 2672 wrote to memory of 3244	2672	RdrCEF.exe	95
PID 2672 wrote to memory of 3244	2672	RdrCEF.exe	95
PID 2672 wrote to memory of 3244	2672	RdrCEF.exe	95
PID 2672 wrote to memory of 3244	2672	RdrCEF.exe	95
PID 2672 wrote to memory of 3244	2672	RdrCEF.exe	95
PID 2672 wrote to memory of 3244	2672	RdrCEF.exe	95
PID 2672 wrote to memory of 3244	2672	RdrCEF.exe	95
PID 2672 wrote to memory of 3244	2672	RdrCEF.exe	95
PID 2672 wrote to memory of 3244	2672	RdrCEF.exe	95
PID 2672 wrote to memory of 3244	2672	RdrCEF.exe	95
PID 2672 wrote to memory of 3244	2672	RdrCEF.exe	95
PID 2672 wrote to memory of 3244	2672	RdrCEF.exe	95
PID 2672 wrote to memory of 3244	2672	RdrCEF.exe	95
PID 2672 wrote to memory of 3244	2672	RdrCEF.exe	95
PID 2672 wrote to memory of 3244	2672	RdrCEF.exe	95
PID 2672 wrote to memory of 3244	2672	RdrCEF.exe	95
PID 2672 wrote to memory of 3244	2672	RdrCEF.exe	95
PID 2672 wrote to memory of 3244	2672	RdrCEF.exe	95
PID 2672 wrote to memory of 3244	2672	RdrCEF.exe	95
PID 2672 wrote to memory of 3244	2672	RdrCEF.exe	95
PID 2672 wrote to memory of 3244	2672	RdrCEF.exe	95
PID 2672 wrote to memory of 3244	2672	RdrCEF.exe	95
PID 2672 wrote to memory of 3244	2672	RdrCEF.exe	95
PID 2672 wrote to memory of 3244	2672	RdrCEF.exe	95
PID 2672 wrote to memory of 3244	2672	RdrCEF.exe	95
PID 2672 wrote to memory of 3244	2672	RdrCEF.exe	95
PID 2672 wrote to memory of 3244	2672	RdrCEF.exe	95
PID 2672 wrote to memory of 3244	2672	RdrCEF.exe	95
PID 2672 wrote to memory of 3244	2672	RdrCEF.exe	95
PID 2672 wrote to memory of 3244	2672	RdrCEF.exe	95
PID 2672 wrote to memory of 3244	2672	RdrCEF.exe	95
PID 2672 wrote to memory of 3244	2672	RdrCEF.exe	95
PID 2672 wrote to memory of 3244	2672	RdrCEF.exe	95
PID 2672 wrote to memory of 3244	2672	RdrCEF.exe	95
PID 2672 wrote to memory of 4596	2672	RdrCEF.exe	96
PID 2672 wrote to memory of 4596	2672	RdrCEF.exe	96
PID 2672 wrote to memory of 4596	2672	RdrCEF.exe	96
PID 2672 wrote to memory of 4596	2672	RdrCEF.exe	96
PID 2672 wrote to memory of 4596	2672	RdrCEF.exe	96
PID 2672 wrote to memory of 4596	2672	RdrCEF.exe	96
PID 2672 wrote to memory of 4596	2672	RdrCEF.exe	96
PID 2672 wrote to memory of 4596	2672	RdrCEF.exe	96
PID 2672 wrote to memory of 4596	2672	RdrCEF.exe	96
PID 2672 wrote to memory of 4596	2672	RdrCEF.exe	96
PID 2672 wrote to memory of 4596	2672	RdrCEF.exe	96
PID 2672 wrote to memory of 4596	2672	RdrCEF.exe	96
PID 2672 wrote to memory of 4596	2672	RdrCEF.exe	96
PID 2672 wrote to memory of 4596	2672	RdrCEF.exe	96
PID 2672 wrote to memory of 4596	2672	RdrCEF.exe	96
PID 2672 wrote to memory of 4596	2672	RdrCEF.exe	96
PID 2672 wrote to memory of 4596	2672	RdrCEF.exe	96
PID 2672 wrote to memory of 4596	2672	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\4271e40dffe6b87df169caeaa4dd8b71.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:3832
- 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:2672
- - 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=78502770CDB07A39AC69BC1025F1D4F3 --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=78502770CDB07A39AC69BC1025F1D4F3 --renderer-client-id=2 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3244
- - 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=76DC98EF22FFB3A9C45E57EDB02AD34C --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4596
- - 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=CB03411E5B1F20273F8CC2E176D38DBF --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=CB03411E5B1F20273F8CC2E176D38DBF --renderer-client-id=4 --mojo-platform-channel-handle=2164 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3192
- - 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=23A4546A7CA3E7EE6D20B334DF6150CD --mojo-platform-channel-handle=2544 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2004
- - 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=CAF29DED02D25E78905BD5ACCF9FE838 --mojo-platform-channel-handle=2072 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5016
- - 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=736AA660215EE1E1DFCA6BC056523824 --mojo-platform-channel-handle=2652 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1924

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4940

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
e89ad53f0dbb96378922fa1a1474183f

SHA1
b328ccbfa948fa5ce431408621e11b99ba146347

SHA256
5abcfb41f4960ab53be838357e1eb61b93e5ecae095ec1fc8be15f7adfef3197

SHA512
db8dcc80c55da7185c51721293e30a57b3111cae5b65bc48baaa2c513fecac01582a687c7bbed9d81c496a639d02c3c963ca181a1e80cda75320bae295b05b0f

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