a80f1bd98def7609a82c3b0a6d36556abd7aa00c1d8df1b22ac51ecbe55a7a2d

Analysis

max time kernel
143s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25-01-2024 20:13

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

756a26ecc824a4811883a0fb451cdbd6.pdf
Size

92KB
MD5

756a26ecc824a4811883a0fb451cdbd6
SHA1

19c88a946130b49fbe8b107b73f2195455d39d69
SHA256

a80f1bd98def7609a82c3b0a6d36556abd7aa00c1d8df1b22ac51ecbe55a7a2d
SHA512

a218677f3e8eeb910fc3fe4c7be31310b7f3724dc844afe52a519c64164278de8d04a164d8840459eb8669e213e9aaecf8702defb506acb6f88db6bd886331fd
SSDEEP

1536:57otObo5Ut430gYnEs3LksQ6nsTQ6tsDW4dqL26WapOtQttmo+:ho0bo5cMLYnrbBQHQ6KBdqL2ntQttu

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-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3740	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3740 wrote to memory of 4680	3740	AcroRd32.exe	90
PID 3740 wrote to memory of 4680	3740	AcroRd32.exe	90
PID 3740 wrote to memory of 4680	3740	AcroRd32.exe	90
PID 4680 wrote to memory of 4496	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4496	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4496	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4496	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4496	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4496	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4496	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4496	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4496	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4496	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4496	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4496	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4496	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4496	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4496	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4496	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4496	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4496	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4496	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4496	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4496	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4496	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4496	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4496	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4496	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4496	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4496	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4496	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4496	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4496	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4496	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4496	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4496	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4496	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4496	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4496	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4496	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4496	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4496	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4496	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4496	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 2460	4680	RdrCEF.exe	93
PID 4680 wrote to memory of 2460	4680	RdrCEF.exe	93
PID 4680 wrote to memory of 2460	4680	RdrCEF.exe	93
PID 4680 wrote to memory of 2460	4680	RdrCEF.exe	93
PID 4680 wrote to memory of 2460	4680	RdrCEF.exe	93
PID 4680 wrote to memory of 2460	4680	RdrCEF.exe	93
PID 4680 wrote to memory of 2460	4680	RdrCEF.exe	93
PID 4680 wrote to memory of 2460	4680	RdrCEF.exe	93
PID 4680 wrote to memory of 2460	4680	RdrCEF.exe	93
PID 4680 wrote to memory of 2460	4680	RdrCEF.exe	93
PID 4680 wrote to memory of 2460	4680	RdrCEF.exe	93
PID 4680 wrote to memory of 2460	4680	RdrCEF.exe	93
PID 4680 wrote to memory of 2460	4680	RdrCEF.exe	93
PID 4680 wrote to memory of 2460	4680	RdrCEF.exe	93
PID 4680 wrote to memory of 2460	4680	RdrCEF.exe	93
PID 4680 wrote to memory of 2460	4680	RdrCEF.exe	93
PID 4680 wrote to memory of 2460	4680	RdrCEF.exe	93
PID 4680 wrote to memory of 2460	4680	RdrCEF.exe	93
PID 4680 wrote to memory of 2460	4680	RdrCEF.exe	93
PID 4680 wrote to memory of 2460	4680	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\756a26ecc824a4811883a0fb451cdbd6.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: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" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4680
- - 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=501ABFFF341E286993F766E26293E0B1 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4496
- - 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=782A33A2E765589F4C443F98FD7C70AE --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=782A33A2E765589F4C443F98FD7C70AE --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2460
- - 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=A4D5F5ABF4A97054C8DCF082D439FCC0 --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=A4D5F5ABF4A97054C8DCF082D439FCC0 --renderer-client-id=4 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:496
- - 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=86FF9CF5124648F8F38910CDED758889 --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1484
- - 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=C66F61CCCC77CC95123CBB9735E8DC27 --mojo-platform-channel-handle=2680 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3264
- - 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=31AC51668818FDB0E19390FD221F0641 --mojo-platform-channel-handle=2572 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3276

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4304

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
df9dd004fb15e210073f8b01bab58dbb

SHA1
7caf2bbcac87cb293c8f71fdb4c709b49e1664ed

SHA256
d68e7132f6eca58dbfceec59ebde8bcadcc9ea77db525989ba59e8e14e1418a1

SHA512
7fcfe9943a333214ad003060b4e745a52a69cdee68016323f8601ebaccf2e124b6efaa15a05c85415e5461204af514b9433e3fe1acad8befd7a1ad3afc014698

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