215ea54ea29967a1b210c154808afb5aac34394b640c4ccc7782c525ec0ec86b

Analysis

max time kernel
141s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
24-02-2024 20:33

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

a2b072c860dd82213c8a4645a8f0abfe.pdf
Size

78KB
MD5

a2b072c860dd82213c8a4645a8f0abfe
SHA1

4c6752102dd76c7c91652335c8e13ac3b8e8403b
SHA256

215ea54ea29967a1b210c154808afb5aac34394b640c4ccc7782c525ec0ec86b
SHA512

e0e18fd398a509b8cc39d7bef9fd75142bb1b7d84eea3ab59a45cf864f6e00533208e2ed63b463279573253a4b59e48f256ac29eb9681e31b4fb0cca2095abde
SSDEEP

1536:QqT35cdxbV4XNiZaIqE30BvFjtQaSP4/4gXpt0HieQs7pWWM7:jTpczVCNO50NbBS+RSQAW3

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-1-5-21-1392040655-2056082574-619088944-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1380	AcroRd32.exe
1380	AcroRd32.exe
1380	AcroRd32.exe
1380	AcroRd32.exe
1380	AcroRd32.exe
1380	AcroRd32.exe
1380	AcroRd32.exe
1380	AcroRd32.exe
1380	AcroRd32.exe
1380	AcroRd32.exe
1380	AcroRd32.exe
1380	AcroRd32.exe
1380	AcroRd32.exe
1380	AcroRd32.exe
1380	AcroRd32.exe
1380	AcroRd32.exe
1380	AcroRd32.exe
1380	AcroRd32.exe
1380	AcroRd32.exe
1380	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1380	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1380	AcroRd32.exe
1380	AcroRd32.exe
1380	AcroRd32.exe
1380	AcroRd32.exe
1380	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1380 wrote to memory of 1684	1380	AcroRd32.exe	88
PID 1380 wrote to memory of 1684	1380	AcroRd32.exe	88
PID 1380 wrote to memory of 1684	1380	AcroRd32.exe	88
PID 1684 wrote to memory of 5032	1684	RdrCEF.exe	89
PID 1684 wrote to memory of 5032	1684	RdrCEF.exe	89
PID 1684 wrote to memory of 5032	1684	RdrCEF.exe	89
PID 1684 wrote to memory of 5032	1684	RdrCEF.exe	89
PID 1684 wrote to memory of 5032	1684	RdrCEF.exe	89
PID 1684 wrote to memory of 5032	1684	RdrCEF.exe	89
PID 1684 wrote to memory of 5032	1684	RdrCEF.exe	89
PID 1684 wrote to memory of 5032	1684	RdrCEF.exe	89
PID 1684 wrote to memory of 5032	1684	RdrCEF.exe	89
PID 1684 wrote to memory of 5032	1684	RdrCEF.exe	89
PID 1684 wrote to memory of 5032	1684	RdrCEF.exe	89
PID 1684 wrote to memory of 5032	1684	RdrCEF.exe	89
PID 1684 wrote to memory of 5032	1684	RdrCEF.exe	89
PID 1684 wrote to memory of 5032	1684	RdrCEF.exe	89
PID 1684 wrote to memory of 5032	1684	RdrCEF.exe	89
PID 1684 wrote to memory of 5032	1684	RdrCEF.exe	89
PID 1684 wrote to memory of 5032	1684	RdrCEF.exe	89
PID 1684 wrote to memory of 5032	1684	RdrCEF.exe	89
PID 1684 wrote to memory of 5032	1684	RdrCEF.exe	89
PID 1684 wrote to memory of 5032	1684	RdrCEF.exe	89
PID 1684 wrote to memory of 5032	1684	RdrCEF.exe	89
PID 1684 wrote to memory of 5032	1684	RdrCEF.exe	89
PID 1684 wrote to memory of 5032	1684	RdrCEF.exe	89
PID 1684 wrote to memory of 5032	1684	RdrCEF.exe	89
PID 1684 wrote to memory of 5032	1684	RdrCEF.exe	89
PID 1684 wrote to memory of 5032	1684	RdrCEF.exe	89
PID 1684 wrote to memory of 5032	1684	RdrCEF.exe	89
PID 1684 wrote to memory of 5032	1684	RdrCEF.exe	89
PID 1684 wrote to memory of 5032	1684	RdrCEF.exe	89
PID 1684 wrote to memory of 5032	1684	RdrCEF.exe	89
PID 1684 wrote to memory of 5032	1684	RdrCEF.exe	89
PID 1684 wrote to memory of 5032	1684	RdrCEF.exe	89
PID 1684 wrote to memory of 5032	1684	RdrCEF.exe	89
PID 1684 wrote to memory of 5032	1684	RdrCEF.exe	89
PID 1684 wrote to memory of 5032	1684	RdrCEF.exe	89
PID 1684 wrote to memory of 5032	1684	RdrCEF.exe	89
PID 1684 wrote to memory of 5032	1684	RdrCEF.exe	89
PID 1684 wrote to memory of 5032	1684	RdrCEF.exe	89
PID 1684 wrote to memory of 5032	1684	RdrCEF.exe	89
PID 1684 wrote to memory of 5032	1684	RdrCEF.exe	89
PID 1684 wrote to memory of 5032	1684	RdrCEF.exe	89
PID 1684 wrote to memory of 4792	1684	RdrCEF.exe	90
PID 1684 wrote to memory of 4792	1684	RdrCEF.exe	90
PID 1684 wrote to memory of 4792	1684	RdrCEF.exe	90
PID 1684 wrote to memory of 4792	1684	RdrCEF.exe	90
PID 1684 wrote to memory of 4792	1684	RdrCEF.exe	90
PID 1684 wrote to memory of 4792	1684	RdrCEF.exe	90
PID 1684 wrote to memory of 4792	1684	RdrCEF.exe	90
PID 1684 wrote to memory of 4792	1684	RdrCEF.exe	90
PID 1684 wrote to memory of 4792	1684	RdrCEF.exe	90
PID 1684 wrote to memory of 4792	1684	RdrCEF.exe	90
PID 1684 wrote to memory of 4792	1684	RdrCEF.exe	90
PID 1684 wrote to memory of 4792	1684	RdrCEF.exe	90
PID 1684 wrote to memory of 4792	1684	RdrCEF.exe	90
PID 1684 wrote to memory of 4792	1684	RdrCEF.exe	90
PID 1684 wrote to memory of 4792	1684	RdrCEF.exe	90
PID 1684 wrote to memory of 4792	1684	RdrCEF.exe	90
PID 1684 wrote to memory of 4792	1684	RdrCEF.exe	90
PID 1684 wrote to memory of 4792	1684	RdrCEF.exe	90
PID 1684 wrote to memory of 4792	1684	RdrCEF.exe	90
PID 1684 wrote to memory of 4792	1684	RdrCEF.exe	90

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\a2b072c860dd82213c8a4645a8f0abfe.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:1380
- 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:1684
- - 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=EA0CEF4A43F946F4F72B4C79D3269475 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5032
- - 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=DC9FC39CAB41323A5A6C6E0BBB43A946 --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=DC9FC39CAB41323A5A6C6E0BBB43A946 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4792
- - 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=0B234123DB7E01732511F1B718E43CE6 --mojo-platform-channel-handle=2276 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3896
- - 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=D043489930F5906D88234BAA19EA7664 --mojo-platform-channel-handle=1964 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2664
- - 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=5586EF8959C71A3B08C28723889305B7 --mojo-platform-channel-handle=2424 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1012
- - 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=BC8FCF35C3502A98F15B50F75F4FEE76 --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=BC8FCF35C3502A98F15B50F75F4FEE76 --renderer-client-id=7 --mojo-platform-channel-handle=2432 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1136

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1512

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
2499920fa3e28d556687a36a320a7206

SHA1
4e4f2606bad15b55d36dcb6af0c5ed2b5fb4c278

SHA256
111c9afb0301e6767aa8a167834887d9acd29d3f3af77172b4689e0dff3f2008

SHA512
f2967a5676f9247f02341c8cd6709e03306df92a517a28814064d15f0709fe77536645d09b7c17fd8ca8e0900897d20e2488187e96b6ce3b5320a1b2538f1873

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