1eb58a3594701d41d63cff69c5419632bd7ff54d132da67bc2d7202942c284df

Analysis

max time kernel
141s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
03/02/2024, 08:33

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

8be09b34ff6dc3223201d50ab1507817.pdf
Size

73KB
MD5

8be09b34ff6dc3223201d50ab1507817
SHA1

4a5ea89c8d0d81cd856187249fbfd4fa2a62b828
SHA256

1eb58a3594701d41d63cff69c5419632bd7ff54d132da67bc2d7202942c284df
SHA512

d87f3d2f0fccc4f75b48458210406c30d611898ecce5a0598c46416a3f5b42748e9263b6d2570867c0956a912c24ca9e5e007bcc22617c3468417515ea867dd4
SSDEEP

1536:OojMe4mvcTfcx7eCXXqEu2EMAtdPniQNLQyQzRoWqdSBGHwWOpOwrUGL1by4y:wcVZnVu2t8dPnxQyQzRFB0NwrUGRa

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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3784	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3784 wrote to memory of 3180	3784	AcroRd32.exe	91
PID 3784 wrote to memory of 3180	3784	AcroRd32.exe	91
PID 3784 wrote to memory of 3180	3784	AcroRd32.exe	91
PID 3180 wrote to memory of 4144	3180	RdrCEF.exe	94
PID 3180 wrote to memory of 4144	3180	RdrCEF.exe	94
PID 3180 wrote to memory of 4144	3180	RdrCEF.exe	94
PID 3180 wrote to memory of 4144	3180	RdrCEF.exe	94
PID 3180 wrote to memory of 4144	3180	RdrCEF.exe	94
PID 3180 wrote to memory of 4144	3180	RdrCEF.exe	94
PID 3180 wrote to memory of 4144	3180	RdrCEF.exe	94
PID 3180 wrote to memory of 4144	3180	RdrCEF.exe	94
PID 3180 wrote to memory of 4144	3180	RdrCEF.exe	94
PID 3180 wrote to memory of 4144	3180	RdrCEF.exe	94
PID 3180 wrote to memory of 4144	3180	RdrCEF.exe	94
PID 3180 wrote to memory of 4144	3180	RdrCEF.exe	94
PID 3180 wrote to memory of 4144	3180	RdrCEF.exe	94
PID 3180 wrote to memory of 4144	3180	RdrCEF.exe	94
PID 3180 wrote to memory of 4144	3180	RdrCEF.exe	94
PID 3180 wrote to memory of 4144	3180	RdrCEF.exe	94
PID 3180 wrote to memory of 4144	3180	RdrCEF.exe	94
PID 3180 wrote to memory of 4144	3180	RdrCEF.exe	94
PID 3180 wrote to memory of 4144	3180	RdrCEF.exe	94
PID 3180 wrote to memory of 4144	3180	RdrCEF.exe	94
PID 3180 wrote to memory of 4144	3180	RdrCEF.exe	94
PID 3180 wrote to memory of 4144	3180	RdrCEF.exe	94
PID 3180 wrote to memory of 4144	3180	RdrCEF.exe	94
PID 3180 wrote to memory of 4144	3180	RdrCEF.exe	94
PID 3180 wrote to memory of 4144	3180	RdrCEF.exe	94
PID 3180 wrote to memory of 4144	3180	RdrCEF.exe	94
PID 3180 wrote to memory of 4144	3180	RdrCEF.exe	94
PID 3180 wrote to memory of 4144	3180	RdrCEF.exe	94
PID 3180 wrote to memory of 4144	3180	RdrCEF.exe	94
PID 3180 wrote to memory of 4144	3180	RdrCEF.exe	94
PID 3180 wrote to memory of 4144	3180	RdrCEF.exe	94
PID 3180 wrote to memory of 4144	3180	RdrCEF.exe	94
PID 3180 wrote to memory of 4144	3180	RdrCEF.exe	94
PID 3180 wrote to memory of 4144	3180	RdrCEF.exe	94
PID 3180 wrote to memory of 4144	3180	RdrCEF.exe	94
PID 3180 wrote to memory of 4144	3180	RdrCEF.exe	94
PID 3180 wrote to memory of 4144	3180	RdrCEF.exe	94
PID 3180 wrote to memory of 4144	3180	RdrCEF.exe	94
PID 3180 wrote to memory of 4144	3180	RdrCEF.exe	94
PID 3180 wrote to memory of 4144	3180	RdrCEF.exe	94
PID 3180 wrote to memory of 4144	3180	RdrCEF.exe	94
PID 3180 wrote to memory of 1396	3180	RdrCEF.exe	95
PID 3180 wrote to memory of 1396	3180	RdrCEF.exe	95
PID 3180 wrote to memory of 1396	3180	RdrCEF.exe	95
PID 3180 wrote to memory of 1396	3180	RdrCEF.exe	95
PID 3180 wrote to memory of 1396	3180	RdrCEF.exe	95
PID 3180 wrote to memory of 1396	3180	RdrCEF.exe	95
PID 3180 wrote to memory of 1396	3180	RdrCEF.exe	95
PID 3180 wrote to memory of 1396	3180	RdrCEF.exe	95
PID 3180 wrote to memory of 1396	3180	RdrCEF.exe	95
PID 3180 wrote to memory of 1396	3180	RdrCEF.exe	95
PID 3180 wrote to memory of 1396	3180	RdrCEF.exe	95
PID 3180 wrote to memory of 1396	3180	RdrCEF.exe	95
PID 3180 wrote to memory of 1396	3180	RdrCEF.exe	95
PID 3180 wrote to memory of 1396	3180	RdrCEF.exe	95
PID 3180 wrote to memory of 1396	3180	RdrCEF.exe	95
PID 3180 wrote to memory of 1396	3180	RdrCEF.exe	95
PID 3180 wrote to memory of 1396	3180	RdrCEF.exe	95
PID 3180 wrote to memory of 1396	3180	RdrCEF.exe	95
PID 3180 wrote to memory of 1396	3180	RdrCEF.exe	95
PID 3180 wrote to memory of 1396	3180	RdrCEF.exe	95

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\8be09b34ff6dc3223201d50ab1507817.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:3784
- 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:3180
- - 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=D2B61D187DABCD73F8AEFB89735273C6 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4144
- - 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=36CFE6B9B2648723EEC13A9E32795543 --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=36CFE6B9B2648723EEC13A9E32795543 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1396
- - 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=21D7F179053CD7DB8E985DEC0D6463F6 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1072
- - 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=A1F4E654BD9665835C808A200C18F07B --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1064
- - 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=D656749DF643DA1968E2FD8A601A0A53 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4032
- - 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=3115812103AE18EBBA453CA80E80AEB5 --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=3115812103AE18EBBA453CA80E80AEB5 --renderer-client-id=8 --mojo-platform-channel-handle=2252 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1372

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4300

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
c48cd115cc8778a31a5c281f851e8667

SHA1
8c0665ba8672c2e09bff0d1fffd25a7729ddc94b

SHA256
9e09b62a9dcb0bc0919efd59eed0db83a1a59ec60ed693aadab2005d0bcd283f

SHA512
029f16be40e5e5c516fa1f629e00d826681db701e43eb0cbcc28dbdc8658b444766a63fda9ea3852dbe513510ef0730d12136cc109d09b3687739e4de1963839

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