197763392d7cb107f6ef533f60e476c9183458184b4da1f0d0b5ca1112087c4a

Resubmissions

23/05/2023, 12:22

230523-pka2wsfb86 4

23/05/2023, 12:17

230523-pgjjvsfb78 4

Analysis

max time kernel
140s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
23/05/2023, 12:17

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

Paper.pdf
Size

483KB
MD5

f96e6ade3cb81a7d204d7792023ffa40
SHA1

adb37ee06ea6f10b1f44275e5599b792379283a9
SHA256

62fe25a7bd22e357c8cf077c879e02ce5e8ab8af83e556e46746542dcabdbecd
SHA512

1ec5b22bfd689d0cde66ddc5825c50f9ec143f9ba1946da668076ae9e931540ac67c36819ad4c32b03906953b054ea642a7f11148eeae75137fda3a9adceaddd
SSDEEP

12288:pNkng6Bvi5630LKw/J49BchEnJ6LyLQA1K/wgwM:jkPqk3MKwCqAJ6LCKwM

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-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4136	AcroRd32.exe
4136	AcroRd32.exe
4136	AcroRd32.exe
4136	AcroRd32.exe
4136	AcroRd32.exe
4136	AcroRd32.exe
4136	AcroRd32.exe
4136	AcroRd32.exe
4136	AcroRd32.exe
4136	AcroRd32.exe
4136	AcroRd32.exe
4136	AcroRd32.exe
4136	AcroRd32.exe
4136	AcroRd32.exe
4136	AcroRd32.exe
4136	AcroRd32.exe
4136	AcroRd32.exe
4136	AcroRd32.exe
4136	AcroRd32.exe
4136	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4136	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4136	AcroRd32.exe
4136	AcroRd32.exe
4136	AcroRd32.exe
4136	AcroRd32.exe
4136	AcroRd32.exe
4136	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4136 wrote to memory of 2908	4136	AcroRd32.exe	84
PID 4136 wrote to memory of 2908	4136	AcroRd32.exe	84
PID 4136 wrote to memory of 2908	4136	AcroRd32.exe	84
PID 2908 wrote to memory of 1956	2908	RdrCEF.exe	85
PID 2908 wrote to memory of 1956	2908	RdrCEF.exe	85
PID 2908 wrote to memory of 1956	2908	RdrCEF.exe	85
PID 2908 wrote to memory of 1956	2908	RdrCEF.exe	85
PID 2908 wrote to memory of 1956	2908	RdrCEF.exe	85
PID 2908 wrote to memory of 1956	2908	RdrCEF.exe	85
PID 2908 wrote to memory of 1956	2908	RdrCEF.exe	85
PID 2908 wrote to memory of 1956	2908	RdrCEF.exe	85
PID 2908 wrote to memory of 1956	2908	RdrCEF.exe	85
PID 2908 wrote to memory of 1956	2908	RdrCEF.exe	85
PID 2908 wrote to memory of 1956	2908	RdrCEF.exe	85
PID 2908 wrote to memory of 1956	2908	RdrCEF.exe	85
PID 2908 wrote to memory of 1956	2908	RdrCEF.exe	85
PID 2908 wrote to memory of 1956	2908	RdrCEF.exe	85
PID 2908 wrote to memory of 1956	2908	RdrCEF.exe	85
PID 2908 wrote to memory of 1956	2908	RdrCEF.exe	85
PID 2908 wrote to memory of 1956	2908	RdrCEF.exe	85
PID 2908 wrote to memory of 1956	2908	RdrCEF.exe	85
PID 2908 wrote to memory of 1956	2908	RdrCEF.exe	85
PID 2908 wrote to memory of 1956	2908	RdrCEF.exe	85
PID 2908 wrote to memory of 1956	2908	RdrCEF.exe	85
PID 2908 wrote to memory of 1956	2908	RdrCEF.exe	85
PID 2908 wrote to memory of 1956	2908	RdrCEF.exe	85
PID 2908 wrote to memory of 1956	2908	RdrCEF.exe	85
PID 2908 wrote to memory of 1956	2908	RdrCEF.exe	85
PID 2908 wrote to memory of 1956	2908	RdrCEF.exe	85
PID 2908 wrote to memory of 1956	2908	RdrCEF.exe	85
PID 2908 wrote to memory of 1956	2908	RdrCEF.exe	85
PID 2908 wrote to memory of 1956	2908	RdrCEF.exe	85
PID 2908 wrote to memory of 1956	2908	RdrCEF.exe	85
PID 2908 wrote to memory of 1956	2908	RdrCEF.exe	85
PID 2908 wrote to memory of 1956	2908	RdrCEF.exe	85
PID 2908 wrote to memory of 1956	2908	RdrCEF.exe	85
PID 2908 wrote to memory of 1956	2908	RdrCEF.exe	85
PID 2908 wrote to memory of 1956	2908	RdrCEF.exe	85
PID 2908 wrote to memory of 1956	2908	RdrCEF.exe	85
PID 2908 wrote to memory of 1956	2908	RdrCEF.exe	85
PID 2908 wrote to memory of 1956	2908	RdrCEF.exe	85
PID 2908 wrote to memory of 1956	2908	RdrCEF.exe	85
PID 2908 wrote to memory of 1956	2908	RdrCEF.exe	85
PID 2908 wrote to memory of 1956	2908	RdrCEF.exe	85
PID 2908 wrote to memory of 4072	2908	RdrCEF.exe	86
PID 2908 wrote to memory of 4072	2908	RdrCEF.exe	86
PID 2908 wrote to memory of 4072	2908	RdrCEF.exe	86
PID 2908 wrote to memory of 4072	2908	RdrCEF.exe	86
PID 2908 wrote to memory of 4072	2908	RdrCEF.exe	86
PID 2908 wrote to memory of 4072	2908	RdrCEF.exe	86
PID 2908 wrote to memory of 4072	2908	RdrCEF.exe	86
PID 2908 wrote to memory of 4072	2908	RdrCEF.exe	86
PID 2908 wrote to memory of 4072	2908	RdrCEF.exe	86
PID 2908 wrote to memory of 4072	2908	RdrCEF.exe	86
PID 2908 wrote to memory of 4072	2908	RdrCEF.exe	86
PID 2908 wrote to memory of 4072	2908	RdrCEF.exe	86
PID 2908 wrote to memory of 4072	2908	RdrCEF.exe	86
PID 2908 wrote to memory of 4072	2908	RdrCEF.exe	86
PID 2908 wrote to memory of 4072	2908	RdrCEF.exe	86
PID 2908 wrote to memory of 4072	2908	RdrCEF.exe	86
PID 2908 wrote to memory of 4072	2908	RdrCEF.exe	86
PID 2908 wrote to memory of 4072	2908	RdrCEF.exe	86
PID 2908 wrote to memory of 4072	2908	RdrCEF.exe	86
PID 2908 wrote to memory of 4072	2908	RdrCEF.exe	86

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\Paper.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:4136
- 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:2908
- - 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=086C595D58B7D94293B1C1F17AFB84F9 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1956
- - 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=0CCDA81E54DFC1F2F6BD505F3453BED6 --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=2 --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=0CCDA81E54DFC1F2F6BD505F3453BED6 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4072
- - 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=56558692A7366079161B8F611AB316DC --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2708
- - 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=EC9230494CC1467A33028D2DC8F5E724 --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=2 --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=EC9230494CC1467A33028D2DC8F5E724 --renderer-client-id=5 --mojo-platform-channel-handle=1904 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3376
- - 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=3A3A21CF3905298613C49E8683E2BDE2 --mojo-platform-channel-handle=2444 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3880
- - 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=29EEA843F88C5B6EFB8CD0777EC791E7 --mojo-platform-channel-handle=1852 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2496

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2616

Network

MITRE ATT&CK Enterprise v6

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
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
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
78b2e4a97370218dc82ad3c830c796ba

SHA1
9e9ff49cc77a2a70fe133e7d2522dee268a2d99c

SHA256
2ffda0a0d588eda540a426541cd51abd37822a5a26abaa8108f144ed765cf2ad

SHA512
d76155b178b2d20bf68e36949e59b6cc62d686bf94752f645015465f0d7e8967a4cad3fb69a94e703145ee4a13dd6e8caa6505550577f725b3ac23bc237cf446

Download Submit
memory/4136-163-0x0000000008D50000-0x0000000008D71000-memory.dmp

Filesize
132KB

Download