b35c21ab96d41f9700f7b0b3158e752f8b23e782db97927d895e1cea3e306cdc

Analysis

max time kernel
152s
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, 19:13

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Report Analysis Logs

General

Target

a2899300b58457e34d278bf3dc9cbe11.pdf
Size

92KB
MD5

a2899300b58457e34d278bf3dc9cbe11
SHA1

cb37ab5a0151c3025a2ed0c4ba743dc931a88fb8
SHA256

b35c21ab96d41f9700f7b0b3158e752f8b23e782db97927d895e1cea3e306cdc
SHA512

751d937b1c8a00f7158d4ce77628ada8a0ead2194d8e92dc9c5437eeb6f6ce11b02b3e210034a8879587d386dd051aba9ba8be260da431a60a130ba9a480629e
SSDEEP

1536:4w9suq0i72hfDKJ1OpXzSg40cKvDWjP6snLoUYl6ZSCVKt8WaD47Q9BJW2pO2UeR:h9suGIDK+ztJ8XLof6Zbab72W2N

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-1-5-21-3844919115-497234255-166257750-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4380	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4380 wrote to memory of 2720	4380	AcroRd32.exe	88
PID 4380 wrote to memory of 2720	4380	AcroRd32.exe	88
PID 4380 wrote to memory of 2720	4380	AcroRd32.exe	88
PID 2720 wrote to memory of 4904	2720	RdrCEF.exe	89
PID 2720 wrote to memory of 4904	2720	RdrCEF.exe	89
PID 2720 wrote to memory of 4904	2720	RdrCEF.exe	89
PID 2720 wrote to memory of 4904	2720	RdrCEF.exe	89
PID 2720 wrote to memory of 4904	2720	RdrCEF.exe	89
PID 2720 wrote to memory of 4904	2720	RdrCEF.exe	89
PID 2720 wrote to memory of 4904	2720	RdrCEF.exe	89
PID 2720 wrote to memory of 4904	2720	RdrCEF.exe	89
PID 2720 wrote to memory of 4904	2720	RdrCEF.exe	89
PID 2720 wrote to memory of 4904	2720	RdrCEF.exe	89
PID 2720 wrote to memory of 4904	2720	RdrCEF.exe	89
PID 2720 wrote to memory of 4904	2720	RdrCEF.exe	89
PID 2720 wrote to memory of 4904	2720	RdrCEF.exe	89
PID 2720 wrote to memory of 4904	2720	RdrCEF.exe	89
PID 2720 wrote to memory of 4904	2720	RdrCEF.exe	89
PID 2720 wrote to memory of 4904	2720	RdrCEF.exe	89
PID 2720 wrote to memory of 4904	2720	RdrCEF.exe	89
PID 2720 wrote to memory of 4904	2720	RdrCEF.exe	89
PID 2720 wrote to memory of 4904	2720	RdrCEF.exe	89
PID 2720 wrote to memory of 4904	2720	RdrCEF.exe	89
PID 2720 wrote to memory of 4904	2720	RdrCEF.exe	89
PID 2720 wrote to memory of 4904	2720	RdrCEF.exe	89
PID 2720 wrote to memory of 4904	2720	RdrCEF.exe	89
PID 2720 wrote to memory of 4904	2720	RdrCEF.exe	89
PID 2720 wrote to memory of 4904	2720	RdrCEF.exe	89
PID 2720 wrote to memory of 4904	2720	RdrCEF.exe	89
PID 2720 wrote to memory of 4904	2720	RdrCEF.exe	89
PID 2720 wrote to memory of 4904	2720	RdrCEF.exe	89
PID 2720 wrote to memory of 4904	2720	RdrCEF.exe	89
PID 2720 wrote to memory of 4904	2720	RdrCEF.exe	89
PID 2720 wrote to memory of 4904	2720	RdrCEF.exe	89
PID 2720 wrote to memory of 4904	2720	RdrCEF.exe	89
PID 2720 wrote to memory of 4904	2720	RdrCEF.exe	89
PID 2720 wrote to memory of 4904	2720	RdrCEF.exe	89
PID 2720 wrote to memory of 4904	2720	RdrCEF.exe	89
PID 2720 wrote to memory of 4904	2720	RdrCEF.exe	89
PID 2720 wrote to memory of 4904	2720	RdrCEF.exe	89
PID 2720 wrote to memory of 4904	2720	RdrCEF.exe	89
PID 2720 wrote to memory of 4904	2720	RdrCEF.exe	89
PID 2720 wrote to memory of 4904	2720	RdrCEF.exe	89
PID 2720 wrote to memory of 4904	2720	RdrCEF.exe	89
PID 2720 wrote to memory of 4904	2720	RdrCEF.exe	89
PID 2720 wrote to memory of 4904	2720	RdrCEF.exe	89
PID 2720 wrote to memory of 3136	2720	RdrCEF.exe	90
PID 2720 wrote to memory of 3136	2720	RdrCEF.exe	90
PID 2720 wrote to memory of 3136	2720	RdrCEF.exe	90
PID 2720 wrote to memory of 3136	2720	RdrCEF.exe	90
PID 2720 wrote to memory of 3136	2720	RdrCEF.exe	90
PID 2720 wrote to memory of 3136	2720	RdrCEF.exe	90
PID 2720 wrote to memory of 3136	2720	RdrCEF.exe	90
PID 2720 wrote to memory of 3136	2720	RdrCEF.exe	90
PID 2720 wrote to memory of 3136	2720	RdrCEF.exe	90
PID 2720 wrote to memory of 3136	2720	RdrCEF.exe	90
PID 2720 wrote to memory of 3136	2720	RdrCEF.exe	90
PID 2720 wrote to memory of 3136	2720	RdrCEF.exe	90
PID 2720 wrote to memory of 3136	2720	RdrCEF.exe	90
PID 2720 wrote to memory of 3136	2720	RdrCEF.exe	90
PID 2720 wrote to memory of 3136	2720	RdrCEF.exe	90
PID 2720 wrote to memory of 3136	2720	RdrCEF.exe	90
PID 2720 wrote to memory of 3136	2720	RdrCEF.exe	90
PID 2720 wrote to memory of 3136	2720	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\a2899300b58457e34d278bf3dc9cbe11.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:4380
- 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:2720
- - 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=08A38F616321A2DC44C3EA74849776FF --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=08A38F616321A2DC44C3EA74849776FF --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4904
- - 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=22A7BF34CCD3C5E37F0A8343751F718C --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3136
- - 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=797CC699D61E55D3FA7E119E24395C04 --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=797CC699D61E55D3FA7E119E24395C04 --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3032
- - 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=E0CFD76779AC0D44216B2AE516E81A57 --mojo-platform-channel-handle=2552 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4124
- - 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=A6873B52DC8438C74879D4FFE4356E85 --mojo-platform-channel-handle=2580 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:636
- - 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=861EBD2169B705ACBFE52E1E1348FF0C --mojo-platform-channel-handle=2096 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1596

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1616

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
d47532fb103a3b946b8ad2c3a449ba3b

SHA1
7c73d46f86bfa5d266a220e3fd44e3ff69e627d8

SHA256
4e8d7d2b36f95d7ccfd19fd6470c991b7bed60eebb712da7990dff198e634cfa

SHA512
ae05d3ab4068bd416e30f9f72b5caf7d574b1f9a8953ffa329df045381e7ebd370512a34320ada4e3222a300aea58d6215b0f91f40a52fb58d87b2ed008190c9

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