1551fa8569c7dd0a50625bdc43a70810f7340b8108a685d230407b0496083ceb

Analysis

max time kernel
150s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
25/03/2024, 13:25

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

de1cc509a9e64333656711860f58abaa.pdf
Size

38KB
MD5

de1cc509a9e64333656711860f58abaa
SHA1

efa96ac5ad014cab29c5ba2312715dd8bd6d37e5
SHA256

1551fa8569c7dd0a50625bdc43a70810f7340b8108a685d230407b0496083ceb
SHA512

b8522042e5ed6db0e7417251ee6602564fe8ce7098a9ea807b901199c5d1b83f56340901a605eebbe7e497d79611fe0689aeb180310ce831714f2354b6bba99c
SSDEEP

768:5kRlLVKvMnI5WaE6qiOpAOXworo++0m29fCP/AeU9C4d+h4s:CrLLIe6qZd+kfCPPiC4uZ

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-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1648	AcroRd32.exe
1648	AcroRd32.exe
1648	AcroRd32.exe
1648	AcroRd32.exe
1648	AcroRd32.exe
1648	AcroRd32.exe
1648	AcroRd32.exe
1648	AcroRd32.exe
1648	AcroRd32.exe
1648	AcroRd32.exe
1648	AcroRd32.exe
1648	AcroRd32.exe
1648	AcroRd32.exe
1648	AcroRd32.exe
1648	AcroRd32.exe
1648	AcroRd32.exe
1648	AcroRd32.exe
1648	AcroRd32.exe
1648	AcroRd32.exe
1648	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1648	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1648	AcroRd32.exe
1648	AcroRd32.exe
1648	AcroRd32.exe
1648	AcroRd32.exe
1648	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1648 wrote to memory of 4052	1648	AcroRd32.exe	91
PID 1648 wrote to memory of 4052	1648	AcroRd32.exe	91
PID 1648 wrote to memory of 4052	1648	AcroRd32.exe	91
PID 4052 wrote to memory of 1720	4052	RdrCEF.exe	92
PID 4052 wrote to memory of 1720	4052	RdrCEF.exe	92
PID 4052 wrote to memory of 1720	4052	RdrCEF.exe	92
PID 4052 wrote to memory of 1720	4052	RdrCEF.exe	92
PID 4052 wrote to memory of 1720	4052	RdrCEF.exe	92
PID 4052 wrote to memory of 1720	4052	RdrCEF.exe	92
PID 4052 wrote to memory of 1720	4052	RdrCEF.exe	92
PID 4052 wrote to memory of 1720	4052	RdrCEF.exe	92
PID 4052 wrote to memory of 1720	4052	RdrCEF.exe	92
PID 4052 wrote to memory of 1720	4052	RdrCEF.exe	92
PID 4052 wrote to memory of 1720	4052	RdrCEF.exe	92
PID 4052 wrote to memory of 1720	4052	RdrCEF.exe	92
PID 4052 wrote to memory of 1720	4052	RdrCEF.exe	92
PID 4052 wrote to memory of 1720	4052	RdrCEF.exe	92
PID 4052 wrote to memory of 1720	4052	RdrCEF.exe	92
PID 4052 wrote to memory of 1720	4052	RdrCEF.exe	92
PID 4052 wrote to memory of 1720	4052	RdrCEF.exe	92
PID 4052 wrote to memory of 1720	4052	RdrCEF.exe	92
PID 4052 wrote to memory of 1720	4052	RdrCEF.exe	92
PID 4052 wrote to memory of 1720	4052	RdrCEF.exe	92
PID 4052 wrote to memory of 1720	4052	RdrCEF.exe	92
PID 4052 wrote to memory of 1720	4052	RdrCEF.exe	92
PID 4052 wrote to memory of 1720	4052	RdrCEF.exe	92
PID 4052 wrote to memory of 1720	4052	RdrCEF.exe	92
PID 4052 wrote to memory of 1720	4052	RdrCEF.exe	92
PID 4052 wrote to memory of 1720	4052	RdrCEF.exe	92
PID 4052 wrote to memory of 1720	4052	RdrCEF.exe	92
PID 4052 wrote to memory of 1720	4052	RdrCEF.exe	92
PID 4052 wrote to memory of 1720	4052	RdrCEF.exe	92
PID 4052 wrote to memory of 1720	4052	RdrCEF.exe	92
PID 4052 wrote to memory of 1720	4052	RdrCEF.exe	92
PID 4052 wrote to memory of 1720	4052	RdrCEF.exe	92
PID 4052 wrote to memory of 1720	4052	RdrCEF.exe	92
PID 4052 wrote to memory of 1720	4052	RdrCEF.exe	92
PID 4052 wrote to memory of 1720	4052	RdrCEF.exe	92
PID 4052 wrote to memory of 1720	4052	RdrCEF.exe	92
PID 4052 wrote to memory of 1720	4052	RdrCEF.exe	92
PID 4052 wrote to memory of 1720	4052	RdrCEF.exe	92
PID 4052 wrote to memory of 1720	4052	RdrCEF.exe	92
PID 4052 wrote to memory of 1720	4052	RdrCEF.exe	92
PID 4052 wrote to memory of 1720	4052	RdrCEF.exe	92
PID 4052 wrote to memory of 4068	4052	RdrCEF.exe	93
PID 4052 wrote to memory of 4068	4052	RdrCEF.exe	93
PID 4052 wrote to memory of 4068	4052	RdrCEF.exe	93
PID 4052 wrote to memory of 4068	4052	RdrCEF.exe	93
PID 4052 wrote to memory of 4068	4052	RdrCEF.exe	93
PID 4052 wrote to memory of 4068	4052	RdrCEF.exe	93
PID 4052 wrote to memory of 4068	4052	RdrCEF.exe	93
PID 4052 wrote to memory of 4068	4052	RdrCEF.exe	93
PID 4052 wrote to memory of 4068	4052	RdrCEF.exe	93
PID 4052 wrote to memory of 4068	4052	RdrCEF.exe	93
PID 4052 wrote to memory of 4068	4052	RdrCEF.exe	93
PID 4052 wrote to memory of 4068	4052	RdrCEF.exe	93
PID 4052 wrote to memory of 4068	4052	RdrCEF.exe	93
PID 4052 wrote to memory of 4068	4052	RdrCEF.exe	93
PID 4052 wrote to memory of 4068	4052	RdrCEF.exe	93
PID 4052 wrote to memory of 4068	4052	RdrCEF.exe	93
PID 4052 wrote to memory of 4068	4052	RdrCEF.exe	93
PID 4052 wrote to memory of 4068	4052	RdrCEF.exe	93
PID 4052 wrote to memory of 4068	4052	RdrCEF.exe	93
PID 4052 wrote to memory of 4068	4052	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\de1cc509a9e64333656711860f58abaa.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:1648
- 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:4052
- - 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=0616B3AB9D999038C81D4DA73732F9BB --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1720
- - 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=5E58CB6B84849B095509AD36C685EC74 --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=5E58CB6B84849B095509AD36C685EC74 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=234E8938692938546786C5F076B3C126 --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=234E8938692938546786C5F076B3C126 --renderer-client-id=4 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3096
- - 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=46A713C52D0AA79CFC178E85B32185D3 --mojo-platform-channel-handle=2424 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:384
- - 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=BC677ED87AE35770E5925AD08C829593 --mojo-platform-channel-handle=2548 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3124
- - 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=F1CD98067CA7860D7A3E9FE128FE103A --mojo-platform-channel-handle=2660 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:708

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:640

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
ba0c58568b961cc1abfad15fe3268983

SHA1
82975e902873b8e17e71ed2b19de29d211b7622a

SHA256
57b0102f9607f7666c62f3ee5119ef26e9207c4783fc3f1dc0dbb82565401b43

SHA512
d38daef66ee3865a2ed1eff8b0dfa5afea3a8644f24811d46271aa5b0b12c81970519a954f1e3a3328f33c1f5f613536a3633faa7882a494457936ca2cf5dd90

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