a7db3735f298869783ddf16e9f0b910bec773db9129af2f11832557a277e5620

Analysis

max time kernel
144s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
15-03-2024 14:10

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

cb9bd1239c9bfacf60b68dda021c75b5.pdf
Size

33KB
MD5

cb9bd1239c9bfacf60b68dda021c75b5
SHA1

8c7fcea43e79420c1d2a7845df6f7d3e6ccc0c2b
SHA256

a7db3735f298869783ddf16e9f0b910bec773db9129af2f11832557a277e5620
SHA512

1572e8f4ebd215b2ba49c84bda65957ae1554724f3f1f8e9c9104ff613c6ad907767dbb4a88ec3d0fe0b2247803e36029332e67ce112cfa6462efa9b14d1d1fe
SSDEEP

768:zxIOgloAk96t+M6wjg8Uht9gvt5eslllZj/SiC:pl3Wh67t9gvt58iC

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4492	AcroRd32.exe
4492	AcroRd32.exe
4492	AcroRd32.exe
4492	AcroRd32.exe
4492	AcroRd32.exe
4492	AcroRd32.exe
4492	AcroRd32.exe
4492	AcroRd32.exe
4492	AcroRd32.exe
4492	AcroRd32.exe
4492	AcroRd32.exe
4492	AcroRd32.exe
4492	AcroRd32.exe
4492	AcroRd32.exe
4492	AcroRd32.exe
4492	AcroRd32.exe
4492	AcroRd32.exe
4492	AcroRd32.exe
4492	AcroRd32.exe
4492	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4492	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4492	AcroRd32.exe
4492	AcroRd32.exe
4492	AcroRd32.exe
4492	AcroRd32.exe
4492	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4492 wrote to memory of 1868	4492	AcroRd32.exe	87
PID 4492 wrote to memory of 1868	4492	AcroRd32.exe	87
PID 4492 wrote to memory of 1868	4492	AcroRd32.exe	87
PID 1868 wrote to memory of 860	1868	RdrCEF.exe	88
PID 1868 wrote to memory of 860	1868	RdrCEF.exe	88
PID 1868 wrote to memory of 860	1868	RdrCEF.exe	88
PID 1868 wrote to memory of 860	1868	RdrCEF.exe	88
PID 1868 wrote to memory of 860	1868	RdrCEF.exe	88
PID 1868 wrote to memory of 860	1868	RdrCEF.exe	88
PID 1868 wrote to memory of 860	1868	RdrCEF.exe	88
PID 1868 wrote to memory of 860	1868	RdrCEF.exe	88
PID 1868 wrote to memory of 860	1868	RdrCEF.exe	88
PID 1868 wrote to memory of 860	1868	RdrCEF.exe	88
PID 1868 wrote to memory of 860	1868	RdrCEF.exe	88
PID 1868 wrote to memory of 860	1868	RdrCEF.exe	88
PID 1868 wrote to memory of 860	1868	RdrCEF.exe	88
PID 1868 wrote to memory of 860	1868	RdrCEF.exe	88
PID 1868 wrote to memory of 860	1868	RdrCEF.exe	88
PID 1868 wrote to memory of 860	1868	RdrCEF.exe	88
PID 1868 wrote to memory of 860	1868	RdrCEF.exe	88
PID 1868 wrote to memory of 860	1868	RdrCEF.exe	88
PID 1868 wrote to memory of 860	1868	RdrCEF.exe	88
PID 1868 wrote to memory of 860	1868	RdrCEF.exe	88
PID 1868 wrote to memory of 860	1868	RdrCEF.exe	88
PID 1868 wrote to memory of 860	1868	RdrCEF.exe	88
PID 1868 wrote to memory of 860	1868	RdrCEF.exe	88
PID 1868 wrote to memory of 860	1868	RdrCEF.exe	88
PID 1868 wrote to memory of 860	1868	RdrCEF.exe	88
PID 1868 wrote to memory of 860	1868	RdrCEF.exe	88
PID 1868 wrote to memory of 860	1868	RdrCEF.exe	88
PID 1868 wrote to memory of 860	1868	RdrCEF.exe	88
PID 1868 wrote to memory of 860	1868	RdrCEF.exe	88
PID 1868 wrote to memory of 860	1868	RdrCEF.exe	88
PID 1868 wrote to memory of 860	1868	RdrCEF.exe	88
PID 1868 wrote to memory of 860	1868	RdrCEF.exe	88
PID 1868 wrote to memory of 860	1868	RdrCEF.exe	88
PID 1868 wrote to memory of 860	1868	RdrCEF.exe	88
PID 1868 wrote to memory of 860	1868	RdrCEF.exe	88
PID 1868 wrote to memory of 860	1868	RdrCEF.exe	88
PID 1868 wrote to memory of 860	1868	RdrCEF.exe	88
PID 1868 wrote to memory of 860	1868	RdrCEF.exe	88
PID 1868 wrote to memory of 860	1868	RdrCEF.exe	88
PID 1868 wrote to memory of 860	1868	RdrCEF.exe	88
PID 1868 wrote to memory of 860	1868	RdrCEF.exe	88
PID 1868 wrote to memory of 1960	1868	RdrCEF.exe	89
PID 1868 wrote to memory of 1960	1868	RdrCEF.exe	89
PID 1868 wrote to memory of 1960	1868	RdrCEF.exe	89
PID 1868 wrote to memory of 1960	1868	RdrCEF.exe	89
PID 1868 wrote to memory of 1960	1868	RdrCEF.exe	89
PID 1868 wrote to memory of 1960	1868	RdrCEF.exe	89
PID 1868 wrote to memory of 1960	1868	RdrCEF.exe	89
PID 1868 wrote to memory of 1960	1868	RdrCEF.exe	89
PID 1868 wrote to memory of 1960	1868	RdrCEF.exe	89
PID 1868 wrote to memory of 1960	1868	RdrCEF.exe	89
PID 1868 wrote to memory of 1960	1868	RdrCEF.exe	89
PID 1868 wrote to memory of 1960	1868	RdrCEF.exe	89
PID 1868 wrote to memory of 1960	1868	RdrCEF.exe	89
PID 1868 wrote to memory of 1960	1868	RdrCEF.exe	89
PID 1868 wrote to memory of 1960	1868	RdrCEF.exe	89
PID 1868 wrote to memory of 1960	1868	RdrCEF.exe	89
PID 1868 wrote to memory of 1960	1868	RdrCEF.exe	89
PID 1868 wrote to memory of 1960	1868	RdrCEF.exe	89
PID 1868 wrote to memory of 1960	1868	RdrCEF.exe	89
PID 1868 wrote to memory of 1960	1868	RdrCEF.exe	89

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\cb9bd1239c9bfacf60b68dda021c75b5.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:4492
- 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:1868
- - 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=D6A40BF3623B353B5CBBE7F436E96345 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:860
- - 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=B4CA9B61C1ECC525E6620F33CDAA682F --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=B4CA9B61C1ECC525E6620F33CDAA682F --renderer-client-id=2 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1960
- - 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=0B274B2BAC308DCD61DEF406A83F2FAB --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1216
- - 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=B36F99A25017CD857136CE2F50AC734A --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=B36F99A25017CD857136CE2F50AC734A --renderer-client-id=5 --mojo-platform-channel-handle=1884 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3812
- - 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=13A74E19885E70187B14A7112053DB57 --mojo-platform-channel-handle=1952 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4476
- - 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=214EBA0F94B1D91745FAC3B015A9EAD8 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:220

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
474047a2c4c97f0353890c30ed295814

SHA1
711cf28734de7329336d2fb2e1ecd8d62777901a

SHA256
710bc71c8e6756a9c467e74b43690f1872bc38678a4ab97d97dca3986e4abcc5

SHA512
43c391c71cd4a4e617e68466c6e6a4b799c162a882a8fca7eba31a45b572f15ed5b2db3d55ad468f42614328e975813f50ca8af48df105fa5705565ef6853384

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/4492-27-0x000000000A560000-0x000000000A581000-memory.dmp

Filesize
132KB

Download