55ae7477e6290e45fd39275b26abbfd8c72a9d2669f681b8e56f3beafa7c57ce

Analysis

max time kernel
147s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 07:09

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

2ccfdcc1b01b44c24e13b9ae90dc7552.pdf
Size

44KB
MD5

2ccfdcc1b01b44c24e13b9ae90dc7552
SHA1

50e0464e6d49401907f0b3e1a7424d0933991fc8
SHA256

55ae7477e6290e45fd39275b26abbfd8c72a9d2669f681b8e56f3beafa7c57ce
SHA512

68495edf051d859c56dd87d3626bd57ec602d48ea70cb087fbbb12376dee8cb41e826391c4a6039b95fabc2a710e4315a8625303d5333e74cf2db8401e87c67f
SSDEEP

768:A3y0QUbJFHy1eBvYizetzHgY0h/wK/1OfhvzpL27g:v0bJFxBvWUp/wK/4hp28

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
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3596	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3596 wrote to memory of 4348	3596	AcroRd32.exe	94
PID 3596 wrote to memory of 4348	3596	AcroRd32.exe	94
PID 3596 wrote to memory of 4348	3596	AcroRd32.exe	94
PID 4348 wrote to memory of 2108	4348	RdrCEF.exe	95
PID 4348 wrote to memory of 2108	4348	RdrCEF.exe	95
PID 4348 wrote to memory of 2108	4348	RdrCEF.exe	95
PID 4348 wrote to memory of 2108	4348	RdrCEF.exe	95
PID 4348 wrote to memory of 2108	4348	RdrCEF.exe	95
PID 4348 wrote to memory of 2108	4348	RdrCEF.exe	95
PID 4348 wrote to memory of 2108	4348	RdrCEF.exe	95
PID 4348 wrote to memory of 2108	4348	RdrCEF.exe	95
PID 4348 wrote to memory of 2108	4348	RdrCEF.exe	95
PID 4348 wrote to memory of 2108	4348	RdrCEF.exe	95
PID 4348 wrote to memory of 2108	4348	RdrCEF.exe	95
PID 4348 wrote to memory of 2108	4348	RdrCEF.exe	95
PID 4348 wrote to memory of 2108	4348	RdrCEF.exe	95
PID 4348 wrote to memory of 2108	4348	RdrCEF.exe	95
PID 4348 wrote to memory of 2108	4348	RdrCEF.exe	95
PID 4348 wrote to memory of 2108	4348	RdrCEF.exe	95
PID 4348 wrote to memory of 2108	4348	RdrCEF.exe	95
PID 4348 wrote to memory of 2108	4348	RdrCEF.exe	95
PID 4348 wrote to memory of 2108	4348	RdrCEF.exe	95
PID 4348 wrote to memory of 2108	4348	RdrCEF.exe	95
PID 4348 wrote to memory of 2108	4348	RdrCEF.exe	95
PID 4348 wrote to memory of 2108	4348	RdrCEF.exe	95
PID 4348 wrote to memory of 2108	4348	RdrCEF.exe	95
PID 4348 wrote to memory of 2108	4348	RdrCEF.exe	95
PID 4348 wrote to memory of 2108	4348	RdrCEF.exe	95
PID 4348 wrote to memory of 2108	4348	RdrCEF.exe	95
PID 4348 wrote to memory of 2108	4348	RdrCEF.exe	95
PID 4348 wrote to memory of 2108	4348	RdrCEF.exe	95
PID 4348 wrote to memory of 2108	4348	RdrCEF.exe	95
PID 4348 wrote to memory of 2108	4348	RdrCEF.exe	95
PID 4348 wrote to memory of 2108	4348	RdrCEF.exe	95
PID 4348 wrote to memory of 2108	4348	RdrCEF.exe	95
PID 4348 wrote to memory of 2108	4348	RdrCEF.exe	95
PID 4348 wrote to memory of 2108	4348	RdrCEF.exe	95
PID 4348 wrote to memory of 2108	4348	RdrCEF.exe	95
PID 4348 wrote to memory of 2108	4348	RdrCEF.exe	95
PID 4348 wrote to memory of 2108	4348	RdrCEF.exe	95
PID 4348 wrote to memory of 2108	4348	RdrCEF.exe	95
PID 4348 wrote to memory of 2108	4348	RdrCEF.exe	95
PID 4348 wrote to memory of 2108	4348	RdrCEF.exe	95
PID 4348 wrote to memory of 2108	4348	RdrCEF.exe	95
PID 4348 wrote to memory of 4156	4348	RdrCEF.exe	96
PID 4348 wrote to memory of 4156	4348	RdrCEF.exe	96
PID 4348 wrote to memory of 4156	4348	RdrCEF.exe	96
PID 4348 wrote to memory of 4156	4348	RdrCEF.exe	96
PID 4348 wrote to memory of 4156	4348	RdrCEF.exe	96
PID 4348 wrote to memory of 4156	4348	RdrCEF.exe	96
PID 4348 wrote to memory of 4156	4348	RdrCEF.exe	96
PID 4348 wrote to memory of 4156	4348	RdrCEF.exe	96
PID 4348 wrote to memory of 4156	4348	RdrCEF.exe	96
PID 4348 wrote to memory of 4156	4348	RdrCEF.exe	96
PID 4348 wrote to memory of 4156	4348	RdrCEF.exe	96
PID 4348 wrote to memory of 4156	4348	RdrCEF.exe	96
PID 4348 wrote to memory of 4156	4348	RdrCEF.exe	96
PID 4348 wrote to memory of 4156	4348	RdrCEF.exe	96
PID 4348 wrote to memory of 4156	4348	RdrCEF.exe	96
PID 4348 wrote to memory of 4156	4348	RdrCEF.exe	96
PID 4348 wrote to memory of 4156	4348	RdrCEF.exe	96
PID 4348 wrote to memory of 4156	4348	RdrCEF.exe	96
PID 4348 wrote to memory of 4156	4348	RdrCEF.exe	96
PID 4348 wrote to memory of 4156	4348	RdrCEF.exe	96

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\2ccfdcc1b01b44c24e13b9ae90dc7552.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:3596
- 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:4348
- - 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=FCF744298D43D3250529216CC74A7453 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2108
- - 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=E24B1B434C5F9876F7A38077A8208DF0 --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=E24B1B434C5F9876F7A38077A8208DF0 --renderer-client-id=2 --mojo-platform-channel-handle=1776 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4156
- - 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=D6E95660D03A8FA104CA2F3D6615D88F --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1884
- - 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=8025AF4E4BC9B27A2C23C3C301C40226 --mojo-platform-channel-handle=1928 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5052
- - 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=E881C9FD3FC8A21F36EAFD95BB1DBFAC --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=E881C9FD3FC8A21F36EAFD95BB1DBFAC --renderer-client-id=6 --mojo-platform-channel-handle=2472 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1804
- - 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=9B17B84DA19402DB15A0F5C9985DDA69 --mojo-platform-channel-handle=2732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1200

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1240

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
26c0ea2b02be2f9d14e63e80efacfb75

SHA1
d5d79e325ee1d3ca2729f351a30fbbda51af800c

SHA256
1d13b2c39f5032d6f5cf244e935c57478a8589820b0a179e58e534dab7ef0283

SHA512
45592e2548527cb67785d6fdbb2bf913ed74f0fe3d894b49a238274fdfb5698de230564c83c9ddc51b9f2b487e825c1e0a9bf9772d60be13b5bba6322915702f

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