b5cbf3b32e7e98a4d9c771a82065f7531dc69b65ee57825f66c3bdf296b5552b

Analysis

max time kernel
148s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 11:02

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General

Target

16aa30124dea00ce70531c74a4970a59.pdf
Size

86KB
MD5

16aa30124dea00ce70531c74a4970a59
SHA1

3d7a43ea1697e628d285944cf0ab3dcdd24d6dd1
SHA256

b5cbf3b32e7e98a4d9c771a82065f7531dc69b65ee57825f66c3bdf296b5552b
SHA512

eec0611440138bc68c74f4c02c8d5f45723f5b6e6a1f08b4eb8802bed94ab6c4468b4324e73a32f1aef46a4a598b6db0f751f1af7db560cd49d299388b2a8344
SSDEEP

1536:EefNCjFpayz1BJ/tVowiS1eZzUbT7/bWtYonUrqW598UW9H3Lu/jOlWg1bd8Wcpw:ZfYCyBRVlGzU3jbIUrqWLkLSjOHHmZy

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2616	AcroRd32.exe
2616	AcroRd32.exe
2616	AcroRd32.exe
2616	AcroRd32.exe
2616	AcroRd32.exe
2616	AcroRd32.exe
2616	AcroRd32.exe
2616	AcroRd32.exe
2616	AcroRd32.exe
2616	AcroRd32.exe
2616	AcroRd32.exe
2616	AcroRd32.exe
2616	AcroRd32.exe
2616	AcroRd32.exe
2616	AcroRd32.exe
2616	AcroRd32.exe
2616	AcroRd32.exe
2616	AcroRd32.exe
2616	AcroRd32.exe
2616	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2616	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2616	AcroRd32.exe
2616	AcroRd32.exe
2616	AcroRd32.exe
2616	AcroRd32.exe
2616	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2616 wrote to memory of 4088	2616	AcroRd32.exe	94
PID 2616 wrote to memory of 4088	2616	AcroRd32.exe	94
PID 2616 wrote to memory of 4088	2616	AcroRd32.exe	94
PID 4088 wrote to memory of 2792	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 2792	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 2792	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 2792	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 2792	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 2792	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 2792	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 2792	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 2792	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 2792	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 2792	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 2792	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 2792	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 2792	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 2792	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 2792	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 2792	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 2792	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 2792	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 2792	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 2792	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 2792	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 2792	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 2792	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 2792	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 2792	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 2792	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 2792	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 2792	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 2792	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 2792	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 2792	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 2792	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 2792	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 2792	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 2792	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 2792	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 2792	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 2792	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 2792	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 2792	4088	RdrCEF.exe	96
PID 4088 wrote to memory of 2772	4088	RdrCEF.exe	95
PID 4088 wrote to memory of 2772	4088	RdrCEF.exe	95
PID 4088 wrote to memory of 2772	4088	RdrCEF.exe	95
PID 4088 wrote to memory of 2772	4088	RdrCEF.exe	95
PID 4088 wrote to memory of 2772	4088	RdrCEF.exe	95
PID 4088 wrote to memory of 2772	4088	RdrCEF.exe	95
PID 4088 wrote to memory of 2772	4088	RdrCEF.exe	95
PID 4088 wrote to memory of 2772	4088	RdrCEF.exe	95
PID 4088 wrote to memory of 2772	4088	RdrCEF.exe	95
PID 4088 wrote to memory of 2772	4088	RdrCEF.exe	95
PID 4088 wrote to memory of 2772	4088	RdrCEF.exe	95
PID 4088 wrote to memory of 2772	4088	RdrCEF.exe	95
PID 4088 wrote to memory of 2772	4088	RdrCEF.exe	95
PID 4088 wrote to memory of 2772	4088	RdrCEF.exe	95
PID 4088 wrote to memory of 2772	4088	RdrCEF.exe	95
PID 4088 wrote to memory of 2772	4088	RdrCEF.exe	95
PID 4088 wrote to memory of 2772	4088	RdrCEF.exe	95
PID 4088 wrote to memory of 2772	4088	RdrCEF.exe	95
PID 4088 wrote to memory of 2772	4088	RdrCEF.exe	95
PID 4088 wrote to memory of 2772	4088	RdrCEF.exe	95

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\16aa30124dea00ce70531c74a4970a59.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:2616
- 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:4088
- - 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=343818305FEE088F1C0D138F0DED6E87 --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=343818305FEE088F1C0D138F0DED6E87 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2772
- - 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=FFD8ECFAF49A70C8DDA8C497725FB7F1 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2792
- - 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=870A7A908FB18497536C033956E9D933 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:224
- - 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=C0C3EB3B8FB96DD48FBD8FECD771B26D --mojo-platform-channel-handle=1916 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1092
- - 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=B2D17FDCAB938D0053A87F119C0DE87B --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=B2D17FDCAB938D0053A87F119C0DE87B --renderer-client-id=6 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1736
- - 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=DBF226B70149D31203B1DC291E1FE73C --mojo-platform-channel-handle=2708 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5016

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1668

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
a20ae64e95a682f74fcc7a5dd70fa669

SHA1
66aca7b9443000b64a5d24b9ac22efffae9ab982

SHA256
1a398dfb3fdb9f7399e40e03dccf8a760b77d6cdb289c101100377d1f41d7571

SHA512
82cfb03cd7113125163cde26ea3c38f9cc588574fd07c30e7e583976e4547c59fecc524b9c15bbf2256f321678ce7633cfbf4cc94ad3fbba2b6b4f7fd71b8741

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

Filesize
56KB

MD5
c26ed30e7d5ab440480838636efc41db

SHA1
c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591

SHA256
6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef

SHA512
96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
memory/2616-26-0x000000000C1F0000-0x000000000C240000-memory.dmp

Filesize
320KB

Download