e8ceef86f646e7e9f6358c26bea96eaf7c0d2a1c1cc8fcca75a4182f27d2f572

Analysis

max time kernel
159s
max time network
168s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26-12-2023 08:16

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General

Target

5f0e0fb2293553b128c91eed11dbe381.pdf
Size

371KB
MD5

5f0e0fb2293553b128c91eed11dbe381
SHA1

f95b1a3d37d26cc7aa5615b0721691a27898223e
SHA256

e8ceef86f646e7e9f6358c26bea96eaf7c0d2a1c1cc8fcca75a4182f27d2f572
SHA512

088caa699f9110d3b9ff603d53bc4be58464705b027688040f8ac3643580ff740d3ded9420f939327a96abd868600ff0b9350bf95b5cc3b348619bc5e7efe70d
SSDEEP

6144:AnVtc8651teIMJmE1HtUmJjRWiMNJD6xlNPkIyE8Ps6AvhufUXlczrXuJ2ptvZiR:Am51tDgmCHtUmJjiSlNMBEapiZ1czrov

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4352	AcroRd32.exe
4352	AcroRd32.exe
4352	AcroRd32.exe
4352	AcroRd32.exe
4352	AcroRd32.exe
4352	AcroRd32.exe
4352	AcroRd32.exe
4352	AcroRd32.exe
4352	AcroRd32.exe
4352	AcroRd32.exe
4352	AcroRd32.exe
4352	AcroRd32.exe
4352	AcroRd32.exe
4352	AcroRd32.exe
4352	AcroRd32.exe
4352	AcroRd32.exe
4352	AcroRd32.exe
4352	AcroRd32.exe
4352	AcroRd32.exe
4352	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4352	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4352	AcroRd32.exe
4352	AcroRd32.exe
4352	AcroRd32.exe
4352	AcroRd32.exe
4352	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4352 wrote to memory of 2452	4352	AcroRd32.exe	92
PID 4352 wrote to memory of 2452	4352	AcroRd32.exe	92
PID 4352 wrote to memory of 2452	4352	AcroRd32.exe	92
PID 2452 wrote to memory of 1784	2452	RdrCEF.exe	94
PID 2452 wrote to memory of 1784	2452	RdrCEF.exe	94
PID 2452 wrote to memory of 1784	2452	RdrCEF.exe	94
PID 2452 wrote to memory of 1784	2452	RdrCEF.exe	94
PID 2452 wrote to memory of 1784	2452	RdrCEF.exe	94
PID 2452 wrote to memory of 1784	2452	RdrCEF.exe	94
PID 2452 wrote to memory of 1784	2452	RdrCEF.exe	94
PID 2452 wrote to memory of 1784	2452	RdrCEF.exe	94
PID 2452 wrote to memory of 1784	2452	RdrCEF.exe	94
PID 2452 wrote to memory of 1784	2452	RdrCEF.exe	94
PID 2452 wrote to memory of 1784	2452	RdrCEF.exe	94
PID 2452 wrote to memory of 1784	2452	RdrCEF.exe	94
PID 2452 wrote to memory of 1784	2452	RdrCEF.exe	94
PID 2452 wrote to memory of 1784	2452	RdrCEF.exe	94
PID 2452 wrote to memory of 1784	2452	RdrCEF.exe	94
PID 2452 wrote to memory of 1784	2452	RdrCEF.exe	94
PID 2452 wrote to memory of 1784	2452	RdrCEF.exe	94
PID 2452 wrote to memory of 1784	2452	RdrCEF.exe	94
PID 2452 wrote to memory of 1784	2452	RdrCEF.exe	94
PID 2452 wrote to memory of 1784	2452	RdrCEF.exe	94
PID 2452 wrote to memory of 1784	2452	RdrCEF.exe	94
PID 2452 wrote to memory of 1784	2452	RdrCEF.exe	94
PID 2452 wrote to memory of 1784	2452	RdrCEF.exe	94
PID 2452 wrote to memory of 1784	2452	RdrCEF.exe	94
PID 2452 wrote to memory of 1784	2452	RdrCEF.exe	94
PID 2452 wrote to memory of 1784	2452	RdrCEF.exe	94
PID 2452 wrote to memory of 1784	2452	RdrCEF.exe	94
PID 2452 wrote to memory of 1784	2452	RdrCEF.exe	94
PID 2452 wrote to memory of 1784	2452	RdrCEF.exe	94
PID 2452 wrote to memory of 1784	2452	RdrCEF.exe	94
PID 2452 wrote to memory of 1784	2452	RdrCEF.exe	94
PID 2452 wrote to memory of 1784	2452	RdrCEF.exe	94
PID 2452 wrote to memory of 1784	2452	RdrCEF.exe	94
PID 2452 wrote to memory of 1784	2452	RdrCEF.exe	94
PID 2452 wrote to memory of 1784	2452	RdrCEF.exe	94
PID 2452 wrote to memory of 1784	2452	RdrCEF.exe	94
PID 2452 wrote to memory of 1784	2452	RdrCEF.exe	94
PID 2452 wrote to memory of 1784	2452	RdrCEF.exe	94
PID 2452 wrote to memory of 1784	2452	RdrCEF.exe	94
PID 2452 wrote to memory of 1784	2452	RdrCEF.exe	94
PID 2452 wrote to memory of 1784	2452	RdrCEF.exe	94
PID 2452 wrote to memory of 3468	2452	RdrCEF.exe	93
PID 2452 wrote to memory of 3468	2452	RdrCEF.exe	93
PID 2452 wrote to memory of 3468	2452	RdrCEF.exe	93
PID 2452 wrote to memory of 3468	2452	RdrCEF.exe	93
PID 2452 wrote to memory of 3468	2452	RdrCEF.exe	93
PID 2452 wrote to memory of 3468	2452	RdrCEF.exe	93
PID 2452 wrote to memory of 3468	2452	RdrCEF.exe	93
PID 2452 wrote to memory of 3468	2452	RdrCEF.exe	93
PID 2452 wrote to memory of 3468	2452	RdrCEF.exe	93
PID 2452 wrote to memory of 3468	2452	RdrCEF.exe	93
PID 2452 wrote to memory of 3468	2452	RdrCEF.exe	93
PID 2452 wrote to memory of 3468	2452	RdrCEF.exe	93
PID 2452 wrote to memory of 3468	2452	RdrCEF.exe	93
PID 2452 wrote to memory of 3468	2452	RdrCEF.exe	93
PID 2452 wrote to memory of 3468	2452	RdrCEF.exe	93
PID 2452 wrote to memory of 3468	2452	RdrCEF.exe	93
PID 2452 wrote to memory of 3468	2452	RdrCEF.exe	93
PID 2452 wrote to memory of 3468	2452	RdrCEF.exe	93
PID 2452 wrote to memory of 3468	2452	RdrCEF.exe	93
PID 2452 wrote to memory of 3468	2452	RdrCEF.exe	93

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\5f0e0fb2293553b128c91eed11dbe381.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:4352
- 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:2452
- - 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=3226569ED1D584F2FA63F4479FE4A3BD --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=3226569ED1D584F2FA63F4479FE4A3BD --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3468
- - 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=6BC6C9BD4CFC1F5FFAF35AEF905DC935 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1784
- - 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=76028531566DB2F0232FCCEAA6E41D54 --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=76028531566DB2F0232FCCEAA6E41D54 --renderer-client-id=4 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2100
- - 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=5699749FC7AE2868693FFDE9E0FF83CE --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2504
- - 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=074C34AF4C7FC3D87479538BA9084F90 --mojo-platform-channel-handle=1840 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2300
- - 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=8B31B4ECA8A617269BFE06F54CBADA29 --mojo-platform-channel-handle=1844 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1656

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1704

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
0c6f286b16fa9816f2097fd84d8fae5c

SHA1
93aa610a9997d32df2b2d44b12faab8ae7b3ae6b

SHA256
c360acdf133cf0557c46de7818ab88031bee4a25c51359d7fe92ee55e0841a6a

SHA512
e295b4f1c15b3cca8c483a223be4b8f7d5a564021cc449485b1e6efcd310fb62af80e264da13388c56e1fd1bdd7b54b5b98289e751f9388244bd39e9e94b8247

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
28KB

MD5
4e03a7868394a6367d4f1ef38f16d357

SHA1
309631a5ff488168bedd81f7e6d8eb06cd49ebd2

SHA256
712051c31b197ba43ef2e362d7d8a2b62a7bde360c844d26076d5f11d71b1bf4

SHA512
9219025d28db40cb5d3cb9c05d7cd12b3d19b4eb6a4528af2ceed257a744336b9ab3270cc76a8a1f159ce7b5e985c1b43434c50f0735102f4f98caa1269a441f

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
memory/4352-133-0x000000000C2D0000-0x000000000C57B000-memory.dmp

Filesize
2.7MB

Download