b2cc77d16b489f9f2d1e864ab6021e0048cc7eaeabce8ea0b3f49ddb92b95fe8

Analysis

max time kernel
143s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 21:09

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

1c898004919e629d4390458973b71b16.pdf
Size

93KB
MD5

1c898004919e629d4390458973b71b16
SHA1

848c53a904dba187c7d48dd3816976aa5e2e9967
SHA256

b2cc77d16b489f9f2d1e864ab6021e0048cc7eaeabce8ea0b3f49ddb92b95fe8
SHA512

82c1d5554c103a2de590d806a8a4ec31f73f49f10cce5a98233dcde564a5c5c04f6eaefdc62cb3e387ba05146aa7b1d5407dc64641f65c6300f31d5e8a5cbff1
SSDEEP

1536:6yoqSesY4idw8AAmxyeXazovYlbhXdCin/RT7Jz9UW7Yl6U74s42IW9RfoW8pO7o:ToqzsMwx3xQovY5hlVDn2nLtRfT7XORj

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
984	AcroRd32.exe
984	AcroRd32.exe
984	AcroRd32.exe
984	AcroRd32.exe
984	AcroRd32.exe
984	AcroRd32.exe
984	AcroRd32.exe
984	AcroRd32.exe
984	AcroRd32.exe
984	AcroRd32.exe
984	AcroRd32.exe
984	AcroRd32.exe
984	AcroRd32.exe
984	AcroRd32.exe
984	AcroRd32.exe
984	AcroRd32.exe
984	AcroRd32.exe
984	AcroRd32.exe
984	AcroRd32.exe
984	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
984	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
984	AcroRd32.exe
984	AcroRd32.exe
984	AcroRd32.exe
984	AcroRd32.exe
984	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 984 wrote to memory of 764	984	AcroRd32.exe	92
PID 984 wrote to memory of 764	984	AcroRd32.exe	92
PID 984 wrote to memory of 764	984	AcroRd32.exe	92
PID 764 wrote to memory of 3352	764	RdrCEF.exe	93
PID 764 wrote to memory of 3352	764	RdrCEF.exe	93
PID 764 wrote to memory of 3352	764	RdrCEF.exe	93
PID 764 wrote to memory of 3352	764	RdrCEF.exe	93
PID 764 wrote to memory of 3352	764	RdrCEF.exe	93
PID 764 wrote to memory of 3352	764	RdrCEF.exe	93
PID 764 wrote to memory of 3352	764	RdrCEF.exe	93
PID 764 wrote to memory of 3352	764	RdrCEF.exe	93
PID 764 wrote to memory of 3352	764	RdrCEF.exe	93
PID 764 wrote to memory of 3352	764	RdrCEF.exe	93
PID 764 wrote to memory of 3352	764	RdrCEF.exe	93
PID 764 wrote to memory of 3352	764	RdrCEF.exe	93
PID 764 wrote to memory of 3352	764	RdrCEF.exe	93
PID 764 wrote to memory of 3352	764	RdrCEF.exe	93
PID 764 wrote to memory of 3352	764	RdrCEF.exe	93
PID 764 wrote to memory of 3352	764	RdrCEF.exe	93
PID 764 wrote to memory of 3352	764	RdrCEF.exe	93
PID 764 wrote to memory of 3352	764	RdrCEF.exe	93
PID 764 wrote to memory of 3352	764	RdrCEF.exe	93
PID 764 wrote to memory of 3352	764	RdrCEF.exe	93
PID 764 wrote to memory of 3352	764	RdrCEF.exe	93
PID 764 wrote to memory of 3352	764	RdrCEF.exe	93
PID 764 wrote to memory of 3352	764	RdrCEF.exe	93
PID 764 wrote to memory of 3352	764	RdrCEF.exe	93
PID 764 wrote to memory of 3352	764	RdrCEF.exe	93
PID 764 wrote to memory of 3352	764	RdrCEF.exe	93
PID 764 wrote to memory of 3352	764	RdrCEF.exe	93
PID 764 wrote to memory of 3352	764	RdrCEF.exe	93
PID 764 wrote to memory of 3352	764	RdrCEF.exe	93
PID 764 wrote to memory of 3352	764	RdrCEF.exe	93
PID 764 wrote to memory of 3352	764	RdrCEF.exe	93
PID 764 wrote to memory of 3352	764	RdrCEF.exe	93
PID 764 wrote to memory of 3352	764	RdrCEF.exe	93
PID 764 wrote to memory of 3352	764	RdrCEF.exe	93
PID 764 wrote to memory of 3352	764	RdrCEF.exe	93
PID 764 wrote to memory of 3352	764	RdrCEF.exe	93
PID 764 wrote to memory of 3352	764	RdrCEF.exe	93
PID 764 wrote to memory of 3352	764	RdrCEF.exe	93
PID 764 wrote to memory of 3352	764	RdrCEF.exe	93
PID 764 wrote to memory of 3352	764	RdrCEF.exe	93
PID 764 wrote to memory of 3352	764	RdrCEF.exe	93
PID 764 wrote to memory of 4068	764	RdrCEF.exe	94
PID 764 wrote to memory of 4068	764	RdrCEF.exe	94
PID 764 wrote to memory of 4068	764	RdrCEF.exe	94
PID 764 wrote to memory of 4068	764	RdrCEF.exe	94
PID 764 wrote to memory of 4068	764	RdrCEF.exe	94
PID 764 wrote to memory of 4068	764	RdrCEF.exe	94
PID 764 wrote to memory of 4068	764	RdrCEF.exe	94
PID 764 wrote to memory of 4068	764	RdrCEF.exe	94
PID 764 wrote to memory of 4068	764	RdrCEF.exe	94
PID 764 wrote to memory of 4068	764	RdrCEF.exe	94
PID 764 wrote to memory of 4068	764	RdrCEF.exe	94
PID 764 wrote to memory of 4068	764	RdrCEF.exe	94
PID 764 wrote to memory of 4068	764	RdrCEF.exe	94
PID 764 wrote to memory of 4068	764	RdrCEF.exe	94
PID 764 wrote to memory of 4068	764	RdrCEF.exe	94
PID 764 wrote to memory of 4068	764	RdrCEF.exe	94
PID 764 wrote to memory of 4068	764	RdrCEF.exe	94
PID 764 wrote to memory of 4068	764	RdrCEF.exe	94
PID 764 wrote to memory of 4068	764	RdrCEF.exe	94
PID 764 wrote to memory of 4068	764	RdrCEF.exe	94

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\1c898004919e629d4390458973b71b16.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:984
- 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:764
- - 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=1F2B64D3465E61393F8950F2FF2B60D0 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3352
- - 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=CB1E5BAA8E9BB836939080F75ECCAE39 --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=CB1E5BAA8E9BB836939080F75ECCAE39 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4068
- - 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=AA3C6ED6E44B48C32E19031F37AFFD3A --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2340
- - 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=9D72096421774BD8C013818FA8969D45 --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=9D72096421774BD8C013818FA8969D45 --renderer-client-id=5 --mojo-platform-channel-handle=1892 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4572
- - 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=97B3BDAE0F18FD3B82CBD9E87ACC0CB2 --mojo-platform-channel-handle=2700 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:680
- - 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=D4BCA4671C6BF8E873F0B2D9D66133B6 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5032

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3648

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
1b7df8f55b0cf8e8b962c0eb64d09539

SHA1
0d1ec3b8c5f42b45b705a8824c4a3b0d0868e62d

SHA256
ff3fb3df8478da1984bde52834f721872fa94312c9e7ba2294d73f050dfa1e22

SHA512
2bec12b4544ba63269276d85d15784c9c4a5242c37c6a95b5ec07c6b9e5909588abf56e29a6fa8e41bb2f3b3c422807db3442a3e20dfb9575b1ce73de2f7995d

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/984-28-0x000000000C000000-0x000000000C021000-memory.dmp

Filesize
132KB

Download