acf3ed1262e1f131c936a5ef68b123a1f00523e6b15a7d249c5c28c001077469

Analysis

max time kernel
150s
max time network
168s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
27/02/2024, 17:58

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

a9cbc1b46525844f42443986f99b5242.pdf
Size

35KB
MD5

a9cbc1b46525844f42443986f99b5242
SHA1

1edba9ad1384b68b11516783ed9a0d5548c5248a
SHA256

acf3ed1262e1f131c936a5ef68b123a1f00523e6b15a7d249c5c28c001077469
SHA512

9fea6fb9617b0609241fb72dbc0cec0bffa5a68872c7bf7ba2ce8a217c97be22a246a511a738632662f39a1b39d4d9d0fb00ae8edff6d8f91fdba5602e8b5f4c
SSDEEP

768:xz/GpmgyLPs8EQtLNQ89lIsfDYquF2oPLrJRXyIL8Y9:BulyLsQzQuI5qBIDnL8U

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-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3384	AcroRd32.exe
3384	AcroRd32.exe
3384	AcroRd32.exe
3384	AcroRd32.exe
3384	AcroRd32.exe
3384	AcroRd32.exe
3384	AcroRd32.exe
3384	AcroRd32.exe
3384	AcroRd32.exe
3384	AcroRd32.exe
3384	AcroRd32.exe
3384	AcroRd32.exe
3384	AcroRd32.exe
3384	AcroRd32.exe
3384	AcroRd32.exe
3384	AcroRd32.exe
3384	AcroRd32.exe
3384	AcroRd32.exe
3384	AcroRd32.exe
3384	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3384	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3384	AcroRd32.exe
3384	AcroRd32.exe
3384	AcroRd32.exe
3384	AcroRd32.exe
3384	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3384 wrote to memory of 5100	3384	AcroRd32.exe	91
PID 3384 wrote to memory of 5100	3384	AcroRd32.exe	91
PID 3384 wrote to memory of 5100	3384	AcroRd32.exe	91
PID 5100 wrote to memory of 4828	5100	RdrCEF.exe	92
PID 5100 wrote to memory of 4828	5100	RdrCEF.exe	92
PID 5100 wrote to memory of 4828	5100	RdrCEF.exe	92
PID 5100 wrote to memory of 4828	5100	RdrCEF.exe	92
PID 5100 wrote to memory of 4828	5100	RdrCEF.exe	92
PID 5100 wrote to memory of 4828	5100	RdrCEF.exe	92
PID 5100 wrote to memory of 4828	5100	RdrCEF.exe	92
PID 5100 wrote to memory of 4828	5100	RdrCEF.exe	92
PID 5100 wrote to memory of 4828	5100	RdrCEF.exe	92
PID 5100 wrote to memory of 4828	5100	RdrCEF.exe	92
PID 5100 wrote to memory of 4828	5100	RdrCEF.exe	92
PID 5100 wrote to memory of 4828	5100	RdrCEF.exe	92
PID 5100 wrote to memory of 4828	5100	RdrCEF.exe	92
PID 5100 wrote to memory of 4828	5100	RdrCEF.exe	92
PID 5100 wrote to memory of 4828	5100	RdrCEF.exe	92
PID 5100 wrote to memory of 4828	5100	RdrCEF.exe	92
PID 5100 wrote to memory of 4828	5100	RdrCEF.exe	92
PID 5100 wrote to memory of 4828	5100	RdrCEF.exe	92
PID 5100 wrote to memory of 4828	5100	RdrCEF.exe	92
PID 5100 wrote to memory of 4828	5100	RdrCEF.exe	92
PID 5100 wrote to memory of 4828	5100	RdrCEF.exe	92
PID 5100 wrote to memory of 4828	5100	RdrCEF.exe	92
PID 5100 wrote to memory of 4828	5100	RdrCEF.exe	92
PID 5100 wrote to memory of 4828	5100	RdrCEF.exe	92
PID 5100 wrote to memory of 4828	5100	RdrCEF.exe	92
PID 5100 wrote to memory of 4828	5100	RdrCEF.exe	92
PID 5100 wrote to memory of 4828	5100	RdrCEF.exe	92
PID 5100 wrote to memory of 4828	5100	RdrCEF.exe	92
PID 5100 wrote to memory of 4828	5100	RdrCEF.exe	92
PID 5100 wrote to memory of 4828	5100	RdrCEF.exe	92
PID 5100 wrote to memory of 4828	5100	RdrCEF.exe	92
PID 5100 wrote to memory of 4828	5100	RdrCEF.exe	92
PID 5100 wrote to memory of 4828	5100	RdrCEF.exe	92
PID 5100 wrote to memory of 4828	5100	RdrCEF.exe	92
PID 5100 wrote to memory of 4828	5100	RdrCEF.exe	92
PID 5100 wrote to memory of 4828	5100	RdrCEF.exe	92
PID 5100 wrote to memory of 4828	5100	RdrCEF.exe	92
PID 5100 wrote to memory of 4828	5100	RdrCEF.exe	92
PID 5100 wrote to memory of 4828	5100	RdrCEF.exe	92
PID 5100 wrote to memory of 4828	5100	RdrCEF.exe	92
PID 5100 wrote to memory of 4828	5100	RdrCEF.exe	92
PID 5100 wrote to memory of 2324	5100	RdrCEF.exe	93
PID 5100 wrote to memory of 2324	5100	RdrCEF.exe	93
PID 5100 wrote to memory of 2324	5100	RdrCEF.exe	93
PID 5100 wrote to memory of 2324	5100	RdrCEF.exe	93
PID 5100 wrote to memory of 2324	5100	RdrCEF.exe	93
PID 5100 wrote to memory of 2324	5100	RdrCEF.exe	93
PID 5100 wrote to memory of 2324	5100	RdrCEF.exe	93
PID 5100 wrote to memory of 2324	5100	RdrCEF.exe	93
PID 5100 wrote to memory of 2324	5100	RdrCEF.exe	93
PID 5100 wrote to memory of 2324	5100	RdrCEF.exe	93
PID 5100 wrote to memory of 2324	5100	RdrCEF.exe	93
PID 5100 wrote to memory of 2324	5100	RdrCEF.exe	93
PID 5100 wrote to memory of 2324	5100	RdrCEF.exe	93
PID 5100 wrote to memory of 2324	5100	RdrCEF.exe	93
PID 5100 wrote to memory of 2324	5100	RdrCEF.exe	93
PID 5100 wrote to memory of 2324	5100	RdrCEF.exe	93
PID 5100 wrote to memory of 2324	5100	RdrCEF.exe	93
PID 5100 wrote to memory of 2324	5100	RdrCEF.exe	93
PID 5100 wrote to memory of 2324	5100	RdrCEF.exe	93
PID 5100 wrote to memory of 2324	5100	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\a9cbc1b46525844f42443986f99b5242.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:3384
- 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:5100
- - 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=6A297EDC6A74DBF7015E5B457185487F --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4828
- - 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=C6978042FA581829273E43A8E5B2F97D --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=C6978042FA581829273E43A8E5B2F97D --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2324
- - 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=3D863D3DAFF0AC6E83AB37F8C9CF033F --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2984
- - 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=4736EE899B6446BC146922FDCC3CD8ED --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=4736EE899B6446BC146922FDCC3CD8ED --renderer-client-id=5 --mojo-platform-channel-handle=1904 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3416
- - 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=3935A3E364EDB30CE8A9CEC8FEE72A2D --mojo-platform-channel-handle=2544 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:540
- - 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=DC73A89AF53E166EAC49EE3134C267B5 --mojo-platform-channel-handle=2672 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3252

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
c6f6cd46cddc0343c1b8e3c80b04c99f

SHA1
b3acb10ab90655b97d411c49336728fa7ec68f34

SHA256
916b4d085b1dd0656c603d48f0da6d33350d8e1d4703357106bdd1fee0d826d7

SHA512
45f25f4e15941352e5362b547ad678c653c932eaddb1dfe4a199ee6316f58a2606fd252ebdc5f9d1061292ffa281535e4b0435e7a6110c88dd3276024fd65c99

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
memory/3384-27-0x0000000009F00000-0x0000000009F21000-memory.dmp

Filesize
132KB

Download