c5db2a1244878c9aa5aab6413006e571dac090a12625124eecd04c4553d05806

Analysis

max time kernel
165s
max time network
172s
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, 13:23

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

37d9ff0e134afba80c7aab719274aaf5.pdf
Size

34KB
MD5

37d9ff0e134afba80c7aab719274aaf5
SHA1

52c3373a59769df09d1900ea8baac8a3b0742dad
SHA256

c5db2a1244878c9aa5aab6413006e571dac090a12625124eecd04c4553d05806
SHA512

e3e7053005c5eac8f35438b46564c1b8bd5227ef91fb9327db665c73d9cdacd37f0d97cb8a1c02e1c60673cb393f4c773b31d705a7c4a0f455b13b6259b49851
SSDEEP

768:9l63W/Rw6F4AZJuNBEFS+yMeenqseoTnvAn:r6MjXZJuNBEQvpePvAn

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3264	AcroRd32.exe
3264	AcroRd32.exe
3264	AcroRd32.exe
3264	AcroRd32.exe
3264	AcroRd32.exe
3264	AcroRd32.exe
3264	AcroRd32.exe
3264	AcroRd32.exe
3264	AcroRd32.exe
3264	AcroRd32.exe
3264	AcroRd32.exe
3264	AcroRd32.exe
3264	AcroRd32.exe
3264	AcroRd32.exe
3264	AcroRd32.exe
3264	AcroRd32.exe
3264	AcroRd32.exe
3264	AcroRd32.exe
3264	AcroRd32.exe
3264	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3264	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3264	AcroRd32.exe
3264	AcroRd32.exe
3264	AcroRd32.exe
3264	AcroRd32.exe
3264	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3264 wrote to memory of 4728	3264	AcroRd32.exe	97
PID 3264 wrote to memory of 4728	3264	AcroRd32.exe	97
PID 3264 wrote to memory of 4728	3264	AcroRd32.exe	97
PID 4728 wrote to memory of 2328	4728	RdrCEF.exe	99
PID 4728 wrote to memory of 2328	4728	RdrCEF.exe	99
PID 4728 wrote to memory of 2328	4728	RdrCEF.exe	99
PID 4728 wrote to memory of 2328	4728	RdrCEF.exe	99
PID 4728 wrote to memory of 2328	4728	RdrCEF.exe	99
PID 4728 wrote to memory of 2328	4728	RdrCEF.exe	99
PID 4728 wrote to memory of 2328	4728	RdrCEF.exe	99
PID 4728 wrote to memory of 2328	4728	RdrCEF.exe	99
PID 4728 wrote to memory of 2328	4728	RdrCEF.exe	99
PID 4728 wrote to memory of 2328	4728	RdrCEF.exe	99
PID 4728 wrote to memory of 2328	4728	RdrCEF.exe	99
PID 4728 wrote to memory of 2328	4728	RdrCEF.exe	99
PID 4728 wrote to memory of 2328	4728	RdrCEF.exe	99
PID 4728 wrote to memory of 2328	4728	RdrCEF.exe	99
PID 4728 wrote to memory of 2328	4728	RdrCEF.exe	99
PID 4728 wrote to memory of 2328	4728	RdrCEF.exe	99
PID 4728 wrote to memory of 2328	4728	RdrCEF.exe	99
PID 4728 wrote to memory of 2328	4728	RdrCEF.exe	99
PID 4728 wrote to memory of 2328	4728	RdrCEF.exe	99
PID 4728 wrote to memory of 2328	4728	RdrCEF.exe	99
PID 4728 wrote to memory of 2328	4728	RdrCEF.exe	99
PID 4728 wrote to memory of 2328	4728	RdrCEF.exe	99
PID 4728 wrote to memory of 2328	4728	RdrCEF.exe	99
PID 4728 wrote to memory of 2328	4728	RdrCEF.exe	99
PID 4728 wrote to memory of 2328	4728	RdrCEF.exe	99
PID 4728 wrote to memory of 2328	4728	RdrCEF.exe	99
PID 4728 wrote to memory of 2328	4728	RdrCEF.exe	99
PID 4728 wrote to memory of 2328	4728	RdrCEF.exe	99
PID 4728 wrote to memory of 2328	4728	RdrCEF.exe	99
PID 4728 wrote to memory of 2328	4728	RdrCEF.exe	99
PID 4728 wrote to memory of 2328	4728	RdrCEF.exe	99
PID 4728 wrote to memory of 2328	4728	RdrCEF.exe	99
PID 4728 wrote to memory of 2328	4728	RdrCEF.exe	99
PID 4728 wrote to memory of 2328	4728	RdrCEF.exe	99
PID 4728 wrote to memory of 2328	4728	RdrCEF.exe	99
PID 4728 wrote to memory of 2328	4728	RdrCEF.exe	99
PID 4728 wrote to memory of 2328	4728	RdrCEF.exe	99
PID 4728 wrote to memory of 2328	4728	RdrCEF.exe	99
PID 4728 wrote to memory of 2328	4728	RdrCEF.exe	99
PID 4728 wrote to memory of 2328	4728	RdrCEF.exe	99
PID 4728 wrote to memory of 2328	4728	RdrCEF.exe	99
PID 4728 wrote to memory of 4836	4728	RdrCEF.exe	100
PID 4728 wrote to memory of 4836	4728	RdrCEF.exe	100
PID 4728 wrote to memory of 4836	4728	RdrCEF.exe	100
PID 4728 wrote to memory of 4836	4728	RdrCEF.exe	100
PID 4728 wrote to memory of 4836	4728	RdrCEF.exe	100
PID 4728 wrote to memory of 4836	4728	RdrCEF.exe	100
PID 4728 wrote to memory of 4836	4728	RdrCEF.exe	100
PID 4728 wrote to memory of 4836	4728	RdrCEF.exe	100
PID 4728 wrote to memory of 4836	4728	RdrCEF.exe	100
PID 4728 wrote to memory of 4836	4728	RdrCEF.exe	100
PID 4728 wrote to memory of 4836	4728	RdrCEF.exe	100
PID 4728 wrote to memory of 4836	4728	RdrCEF.exe	100
PID 4728 wrote to memory of 4836	4728	RdrCEF.exe	100
PID 4728 wrote to memory of 4836	4728	RdrCEF.exe	100
PID 4728 wrote to memory of 4836	4728	RdrCEF.exe	100
PID 4728 wrote to memory of 4836	4728	RdrCEF.exe	100
PID 4728 wrote to memory of 4836	4728	RdrCEF.exe	100
PID 4728 wrote to memory of 4836	4728	RdrCEF.exe	100
PID 4728 wrote to memory of 4836	4728	RdrCEF.exe	100
PID 4728 wrote to memory of 4836	4728	RdrCEF.exe	100

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\37d9ff0e134afba80c7aab719274aaf5.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: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" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4728
- - 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=3B6E05B234928B50F876DCC102917B06 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2328
- - 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=CDB273A962E03EC655AC3DBEE82DD40D --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=CDB273A962E03EC655AC3DBEE82DD40D --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4836
- - 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=42F27DB4EB434D1060FA4B4ABA1F36CD --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=42F27DB4EB434D1060FA4B4ABA1F36CD --renderer-client-id=4 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4400
- - 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=02ED5908F36BB6C5372CCDE57B4C366B --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1192
- - 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=20E2244578428CA23BE3547BAC63732E --mojo-platform-channel-handle=1880 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:312
- - 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=CC96E59EAB060F3BB8A8154D07DA4E13 --mojo-platform-channel-handle=1900 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2820
- 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⤵
  PID:4512

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
82d5c79fbdb9000974226f723293328f

SHA1
c3e49a9d8489637849202058aa190a8e8382d7f7

SHA256
c54df45edbb16fee1dc4aa91e09742018884cacb0581c3ad55139f62cbecfe5e

SHA512
cfb4f6db8eaa000d7262556c9a98fb18110fea6a2b4ab45f3245959251742ddc014b3e5e740a66a8e1690f11c6c5e8c28b215801367282d65bcc3e8e14301753

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