b4affbb08aec2d055a4b69fb0d6abefb905b86aaa9d4f12015661aa13ceb0dbe

Analysis

max time kernel
144s
max time network
146s
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, 06:31

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

2bc48e030db55bc76070ed4e5b9ee955.pdf
Size

86KB
MD5

2bc48e030db55bc76070ed4e5b9ee955
SHA1

0a5f4d89941165c1de13a19924dd23eceb78a912
SHA256

b4affbb08aec2d055a4b69fb0d6abefb905b86aaa9d4f12015661aa13ceb0dbe
SHA512

e8dc35e3b2eb64e4b74c3d11728112d5899077103093cf30e0050e0a4fcf329080c18aed0ba483b50b1f1edf24d295f6b3147564246b5629c8693cd8690329bf
SSDEEP

1536:AN+M6+w+4i+7AO9CDMe/M5E+/v+OdtH5bcE0WOpOaZEWTG7WMQvD3T/:aZ6cr8AO9CDMS0vmyNaZ3G75Q7T

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
624	AcroRd32.exe
624	AcroRd32.exe
624	AcroRd32.exe
624	AcroRd32.exe
624	AcroRd32.exe
624	AcroRd32.exe
624	AcroRd32.exe
624	AcroRd32.exe
624	AcroRd32.exe
624	AcroRd32.exe
624	AcroRd32.exe
624	AcroRd32.exe
624	AcroRd32.exe
624	AcroRd32.exe
624	AcroRd32.exe
624	AcroRd32.exe
624	AcroRd32.exe
624	AcroRd32.exe
624	AcroRd32.exe
624	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
624	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
624	AcroRd32.exe
624	AcroRd32.exe
624	AcroRd32.exe
624	AcroRd32.exe
624	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 624 wrote to memory of 2336	624	AcroRd32.exe	91
PID 624 wrote to memory of 2336	624	AcroRd32.exe	91
PID 624 wrote to memory of 2336	624	AcroRd32.exe	91
PID 2336 wrote to memory of 1560	2336	RdrCEF.exe	92
PID 2336 wrote to memory of 1560	2336	RdrCEF.exe	92
PID 2336 wrote to memory of 1560	2336	RdrCEF.exe	92
PID 2336 wrote to memory of 1560	2336	RdrCEF.exe	92
PID 2336 wrote to memory of 1560	2336	RdrCEF.exe	92
PID 2336 wrote to memory of 1560	2336	RdrCEF.exe	92
PID 2336 wrote to memory of 1560	2336	RdrCEF.exe	92
PID 2336 wrote to memory of 1560	2336	RdrCEF.exe	92
PID 2336 wrote to memory of 1560	2336	RdrCEF.exe	92
PID 2336 wrote to memory of 1560	2336	RdrCEF.exe	92
PID 2336 wrote to memory of 1560	2336	RdrCEF.exe	92
PID 2336 wrote to memory of 1560	2336	RdrCEF.exe	92
PID 2336 wrote to memory of 1560	2336	RdrCEF.exe	92
PID 2336 wrote to memory of 1560	2336	RdrCEF.exe	92
PID 2336 wrote to memory of 1560	2336	RdrCEF.exe	92
PID 2336 wrote to memory of 1560	2336	RdrCEF.exe	92
PID 2336 wrote to memory of 1560	2336	RdrCEF.exe	92
PID 2336 wrote to memory of 1560	2336	RdrCEF.exe	92
PID 2336 wrote to memory of 1560	2336	RdrCEF.exe	92
PID 2336 wrote to memory of 1560	2336	RdrCEF.exe	92
PID 2336 wrote to memory of 1560	2336	RdrCEF.exe	92
PID 2336 wrote to memory of 1560	2336	RdrCEF.exe	92
PID 2336 wrote to memory of 1560	2336	RdrCEF.exe	92
PID 2336 wrote to memory of 1560	2336	RdrCEF.exe	92
PID 2336 wrote to memory of 1560	2336	RdrCEF.exe	92
PID 2336 wrote to memory of 1560	2336	RdrCEF.exe	92
PID 2336 wrote to memory of 1560	2336	RdrCEF.exe	92
PID 2336 wrote to memory of 1560	2336	RdrCEF.exe	92
PID 2336 wrote to memory of 1560	2336	RdrCEF.exe	92
PID 2336 wrote to memory of 1560	2336	RdrCEF.exe	92
PID 2336 wrote to memory of 1560	2336	RdrCEF.exe	92
PID 2336 wrote to memory of 1560	2336	RdrCEF.exe	92
PID 2336 wrote to memory of 1560	2336	RdrCEF.exe	92
PID 2336 wrote to memory of 1560	2336	RdrCEF.exe	92
PID 2336 wrote to memory of 1560	2336	RdrCEF.exe	92
PID 2336 wrote to memory of 1560	2336	RdrCEF.exe	92
PID 2336 wrote to memory of 1560	2336	RdrCEF.exe	92
PID 2336 wrote to memory of 1560	2336	RdrCEF.exe	92
PID 2336 wrote to memory of 1560	2336	RdrCEF.exe	92
PID 2336 wrote to memory of 1560	2336	RdrCEF.exe	92
PID 2336 wrote to memory of 1560	2336	RdrCEF.exe	92
PID 2336 wrote to memory of 1288	2336	RdrCEF.exe	93
PID 2336 wrote to memory of 1288	2336	RdrCEF.exe	93
PID 2336 wrote to memory of 1288	2336	RdrCEF.exe	93
PID 2336 wrote to memory of 1288	2336	RdrCEF.exe	93
PID 2336 wrote to memory of 1288	2336	RdrCEF.exe	93
PID 2336 wrote to memory of 1288	2336	RdrCEF.exe	93
PID 2336 wrote to memory of 1288	2336	RdrCEF.exe	93
PID 2336 wrote to memory of 1288	2336	RdrCEF.exe	93
PID 2336 wrote to memory of 1288	2336	RdrCEF.exe	93
PID 2336 wrote to memory of 1288	2336	RdrCEF.exe	93
PID 2336 wrote to memory of 1288	2336	RdrCEF.exe	93
PID 2336 wrote to memory of 1288	2336	RdrCEF.exe	93
PID 2336 wrote to memory of 1288	2336	RdrCEF.exe	93
PID 2336 wrote to memory of 1288	2336	RdrCEF.exe	93
PID 2336 wrote to memory of 1288	2336	RdrCEF.exe	93
PID 2336 wrote to memory of 1288	2336	RdrCEF.exe	93
PID 2336 wrote to memory of 1288	2336	RdrCEF.exe	93
PID 2336 wrote to memory of 1288	2336	RdrCEF.exe	93
PID 2336 wrote to memory of 1288	2336	RdrCEF.exe	93
PID 2336 wrote to memory of 1288	2336	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\2bc48e030db55bc76070ed4e5b9ee955.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:624
- 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: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=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=FDE866517037F33388A6E21B301DE408 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1560
- - 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=BFD2FF1FD9F04AF952418FBC87C58D6D --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=BFD2FF1FD9F04AF952418FBC87C58D6D --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1288
- - 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=0BE12A8A53404586BB7F5DCBC00853F6 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3588
- - 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=EE191F34500B89880B71750C07B69E33 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1592
- - 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=A21592D4A0248ED60517AF37EC947BED --mojo-platform-channel-handle=2512 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2548
- - 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=9B119CC429C6BEDFCABD4E01B9C6B8FA --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=9B119CC429C6BEDFCABD4E01B9C6B8FA --renderer-client-id=7 --mojo-platform-channel-handle=1960 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4124

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:876

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
934b8fe63b0f0520b51718d632a7b967

SHA1
cb29e0896449e38d15806d763e261d5a1d07e849

SHA256
f77e77edf5479ee91c3f1ce58415772430c09cdd616f3027152dd37c21e09e3f

SHA512
58c74866b01df0ecf8687f9b9fa267e84ce31e28fba4566446957cbe26ea9b6ab520c67dad23ea6f4424b34fbd80658eec56cfacd9ebc652aeb00180e2ab031e

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