f911cb2e8a53c4b2344ec9a07b115209ad5e6935f425e0634414a35e1235fe68

Analysis

max time kernel
149s
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
13/01/2024, 04:11

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General

Target

57f237f8aa73687c08e788981914e571.pdf
Size

43KB
MD5

57f237f8aa73687c08e788981914e571
SHA1

a04df6a1038f7ab519620c916119e82e527c39cc
SHA256

f911cb2e8a53c4b2344ec9a07b115209ad5e6935f425e0634414a35e1235fe68
SHA512

abfa7decd5b8113c8b4bd242425232157911c48d14deb36c6776eaca58d82d9d5cd9d20981ba8e0e75e30ed439fc25f6a8164ed39589445b9fa47f04eff3b936
SSDEEP

768:/mdImt2WXAfQO23pNk6jLKUSmcYZWjOSTs+xfMAiVJzDR7aizB8/o6Q8C:/R6dQW3TLH1COSwVhMik3C

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4372	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4372 wrote to memory of 4688	4372	AcroRd32.exe	97
PID 4372 wrote to memory of 4688	4372	AcroRd32.exe	97
PID 4372 wrote to memory of 4688	4372	AcroRd32.exe	97
PID 4688 wrote to memory of 628	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 628	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 628	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 628	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 628	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 628	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 628	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 628	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 628	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 628	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 628	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 628	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 628	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 628	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 628	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 628	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 628	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 628	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 628	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 628	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 628	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 628	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 628	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 628	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 628	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 628	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 628	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 628	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 628	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 628	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 628	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 628	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 628	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 628	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 628	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 628	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 628	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 628	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 628	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 628	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 628	4688	RdrCEF.exe	98
PID 4688 wrote to memory of 4888	4688	RdrCEF.exe	99
PID 4688 wrote to memory of 4888	4688	RdrCEF.exe	99
PID 4688 wrote to memory of 4888	4688	RdrCEF.exe	99
PID 4688 wrote to memory of 4888	4688	RdrCEF.exe	99
PID 4688 wrote to memory of 4888	4688	RdrCEF.exe	99
PID 4688 wrote to memory of 4888	4688	RdrCEF.exe	99
PID 4688 wrote to memory of 4888	4688	RdrCEF.exe	99
PID 4688 wrote to memory of 4888	4688	RdrCEF.exe	99
PID 4688 wrote to memory of 4888	4688	RdrCEF.exe	99
PID 4688 wrote to memory of 4888	4688	RdrCEF.exe	99
PID 4688 wrote to memory of 4888	4688	RdrCEF.exe	99
PID 4688 wrote to memory of 4888	4688	RdrCEF.exe	99
PID 4688 wrote to memory of 4888	4688	RdrCEF.exe	99
PID 4688 wrote to memory of 4888	4688	RdrCEF.exe	99
PID 4688 wrote to memory of 4888	4688	RdrCEF.exe	99
PID 4688 wrote to memory of 4888	4688	RdrCEF.exe	99
PID 4688 wrote to memory of 4888	4688	RdrCEF.exe	99
PID 4688 wrote to memory of 4888	4688	RdrCEF.exe	99
PID 4688 wrote to memory of 4888	4688	RdrCEF.exe	99
PID 4688 wrote to memory of 4888	4688	RdrCEF.exe	99

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\57f237f8aa73687c08e788981914e571.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:4372
- 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:4688
- - 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=C4DAB06914D634EADF4204E6280AD903 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:628
- - 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=D7FA87FA9D854C201638CF41268C37C8 --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=D7FA87FA9D854C201638CF41268C37C8 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4888
- - 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=8E89D1C2486B22B3640E61609E77E06A --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2624
- - 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=F64D5DD67DB0F86301BBFCC363393490 --mojo-platform-channel-handle=2412 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3740
- - 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=25DCAA11BB9C3561F92314B41347644B --mojo-platform-channel-handle=2440 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2336
- - 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=60FEDA0B7BF8FA7D11953B2D8C7D9144 --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=60FEDA0B7BF8FA7D11953B2D8C7D9144 --renderer-client-id=7 --mojo-platform-channel-handle=1824 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5084

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2880

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
54KB

MD5
e935ee6d1d6531021846c3d3ca2c302f

SHA1
8ae7ee7f804d3ad91e0746a314070d2d8428f25f

SHA256
6323b2ed4f1aa8822aa418590e93a10ac7dcb8434cd6ff53470e59ea1fd0b2da

SHA512
cf559b948b8305b914ff56dedb9192c0daccaaebfead594f1681bfcf8774df5d0dd8f987cbefb93f1c045539decb21d7795b4c0007c4a3bf548a2933d66c0839

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/4372-28-0x000000000A250000-0x000000000A271000-memory.dmp

Filesize
132KB

Download