c77abe90de694297139ea819cc328026fa646c5d9e24b3f1369c931e2617ccf3

Analysis

max time kernel
143s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
28/12/2023, 22:47

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

fdcf5d85e8b8904d550e3643ee88bcca.pdf
Size

92KB
MD5

fdcf5d85e8b8904d550e3643ee88bcca
SHA1

0ec7005ac73d1709f4037b4cf498f409525c89c6
SHA256

c77abe90de694297139ea819cc328026fa646c5d9e24b3f1369c931e2617ccf3
SHA512

617dc3bcd08345c9505c162930af8d56cbbb68f50a17ed886ae4cdd5b49fbb743935fdab0b2b208fb1e3e59531ae561aa12606bd1409d0c794921efd7628f47f
SSDEEP

1536:43enJ9BKzR8226n1bALTU+2nIOqatCGSdYpemTeWApOq3mZExaPjWQdxNWVjY6ke:EenJ9BwRxl1+HOqatQdYpn9q2vPzdxq/

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4832	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4832 wrote to memory of 3856	4832	AcroRd32.exe	91
PID 4832 wrote to memory of 3856	4832	AcroRd32.exe	91
PID 4832 wrote to memory of 3856	4832	AcroRd32.exe	91
PID 3856 wrote to memory of 4284	3856	RdrCEF.exe	92
PID 3856 wrote to memory of 4284	3856	RdrCEF.exe	92
PID 3856 wrote to memory of 4284	3856	RdrCEF.exe	92
PID 3856 wrote to memory of 4284	3856	RdrCEF.exe	92
PID 3856 wrote to memory of 4284	3856	RdrCEF.exe	92
PID 3856 wrote to memory of 4284	3856	RdrCEF.exe	92
PID 3856 wrote to memory of 4284	3856	RdrCEF.exe	92
PID 3856 wrote to memory of 4284	3856	RdrCEF.exe	92
PID 3856 wrote to memory of 4284	3856	RdrCEF.exe	92
PID 3856 wrote to memory of 4284	3856	RdrCEF.exe	92
PID 3856 wrote to memory of 4284	3856	RdrCEF.exe	92
PID 3856 wrote to memory of 4284	3856	RdrCEF.exe	92
PID 3856 wrote to memory of 4284	3856	RdrCEF.exe	92
PID 3856 wrote to memory of 4284	3856	RdrCEF.exe	92
PID 3856 wrote to memory of 4284	3856	RdrCEF.exe	92
PID 3856 wrote to memory of 4284	3856	RdrCEF.exe	92
PID 3856 wrote to memory of 4284	3856	RdrCEF.exe	92
PID 3856 wrote to memory of 4284	3856	RdrCEF.exe	92
PID 3856 wrote to memory of 4284	3856	RdrCEF.exe	92
PID 3856 wrote to memory of 4284	3856	RdrCEF.exe	92
PID 3856 wrote to memory of 4284	3856	RdrCEF.exe	92
PID 3856 wrote to memory of 4284	3856	RdrCEF.exe	92
PID 3856 wrote to memory of 4284	3856	RdrCEF.exe	92
PID 3856 wrote to memory of 4284	3856	RdrCEF.exe	92
PID 3856 wrote to memory of 4284	3856	RdrCEF.exe	92
PID 3856 wrote to memory of 4284	3856	RdrCEF.exe	92
PID 3856 wrote to memory of 4284	3856	RdrCEF.exe	92
PID 3856 wrote to memory of 4284	3856	RdrCEF.exe	92
PID 3856 wrote to memory of 4284	3856	RdrCEF.exe	92
PID 3856 wrote to memory of 4284	3856	RdrCEF.exe	92
PID 3856 wrote to memory of 4284	3856	RdrCEF.exe	92
PID 3856 wrote to memory of 4284	3856	RdrCEF.exe	92
PID 3856 wrote to memory of 4284	3856	RdrCEF.exe	92
PID 3856 wrote to memory of 4284	3856	RdrCEF.exe	92
PID 3856 wrote to memory of 4284	3856	RdrCEF.exe	92
PID 3856 wrote to memory of 4284	3856	RdrCEF.exe	92
PID 3856 wrote to memory of 4284	3856	RdrCEF.exe	92
PID 3856 wrote to memory of 4284	3856	RdrCEF.exe	92
PID 3856 wrote to memory of 4284	3856	RdrCEF.exe	92
PID 3856 wrote to memory of 4284	3856	RdrCEF.exe	92
PID 3856 wrote to memory of 4284	3856	RdrCEF.exe	92
PID 3856 wrote to memory of 2432	3856	RdrCEF.exe	93
PID 3856 wrote to memory of 2432	3856	RdrCEF.exe	93
PID 3856 wrote to memory of 2432	3856	RdrCEF.exe	93
PID 3856 wrote to memory of 2432	3856	RdrCEF.exe	93
PID 3856 wrote to memory of 2432	3856	RdrCEF.exe	93
PID 3856 wrote to memory of 2432	3856	RdrCEF.exe	93
PID 3856 wrote to memory of 2432	3856	RdrCEF.exe	93
PID 3856 wrote to memory of 2432	3856	RdrCEF.exe	93
PID 3856 wrote to memory of 2432	3856	RdrCEF.exe	93
PID 3856 wrote to memory of 2432	3856	RdrCEF.exe	93
PID 3856 wrote to memory of 2432	3856	RdrCEF.exe	93
PID 3856 wrote to memory of 2432	3856	RdrCEF.exe	93
PID 3856 wrote to memory of 2432	3856	RdrCEF.exe	93
PID 3856 wrote to memory of 2432	3856	RdrCEF.exe	93
PID 3856 wrote to memory of 2432	3856	RdrCEF.exe	93
PID 3856 wrote to memory of 2432	3856	RdrCEF.exe	93
PID 3856 wrote to memory of 2432	3856	RdrCEF.exe	93
PID 3856 wrote to memory of 2432	3856	RdrCEF.exe	93
PID 3856 wrote to memory of 2432	3856	RdrCEF.exe	93
PID 3856 wrote to memory of 2432	3856	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\fdcf5d85e8b8904d550e3643ee88bcca.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:4832
- 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:3856
- - 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=AC5C8DB059AEFAE7210EDC43CDE0D4E2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4284
- - 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=6028FC24D0CDE4419222E1979E2908FA --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=6028FC24D0CDE4419222E1979E2908FA --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2432
- - 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=F3FA6AA889EB71167E228FF94BD266A6 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1720
- - 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=1F072431470D2CD368C743600FB29397 --mojo-platform-channel-handle=1912 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2052
- - 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=FF176D357F315363671216281A56740E --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=FF176D357F315363671216281A56740E --renderer-client-id=6 --mojo-platform-channel-handle=2448 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4936
- - 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=57D9958E87A4CCFA045E35219C9B988B --mojo-platform-channel-handle=2028 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3524

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4364

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
57KB

MD5
80f57d090aa98c3af43ea52f5998f0bb

SHA1
21af646dfcef60eb0576c569d15d2ab6de3ba4a7

SHA256
510731d3badf947d306d8f1798f11a31cd282000ae1949dc7762f7eaf5b5ddaa

SHA512
000e528d4938b340f528e8be7778c6b0452638db9d9cdb253d179fafe6f4b487b6e13ddfcf7b56946b74c53c3d2060e6a6c1c8f5cdd0153295ae55f5419fa59a

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