0328e8f71707f56d79f7d0b3182e244e978154a77e65cbed4f9a2352ec95ca83

Analysis

max time kernel
151s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
21/02/2024, 19:29

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General

Target

a066677fd4a231faf385490cdd05c651.pdf
Size

83KB
MD5

a066677fd4a231faf385490cdd05c651
SHA1

0ec3e75d3fc28f93cb7ecb1fec3b646e0901e0f9
SHA256

0328e8f71707f56d79f7d0b3182e244e978154a77e65cbed4f9a2352ec95ca83
SHA512

8ace64e24df7444f822b2f5272fbc88f401afb26a586f60bdd2565d327a46294cd6eb3e058633836f7aff1437ccddd38bf09e09c063e10e3aab1359c5470b09f
SSDEEP

1536:/I9gjdIfOzww4X1k+ky45trzMbYV6eTe1cgMYWCIgdvyW8pOGAQztPE5o:A+diO8bXfyrzMUV6pMwpGjtPj

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
1108	AcroRd32.exe
1108	AcroRd32.exe
1108	AcroRd32.exe
1108	AcroRd32.exe
1108	AcroRd32.exe
1108	AcroRd32.exe
1108	AcroRd32.exe
1108	AcroRd32.exe
1108	AcroRd32.exe
1108	AcroRd32.exe
1108	AcroRd32.exe
1108	AcroRd32.exe
1108	AcroRd32.exe
1108	AcroRd32.exe
1108	AcroRd32.exe
1108	AcroRd32.exe
1108	AcroRd32.exe
1108	AcroRd32.exe
1108	AcroRd32.exe
1108	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1108	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1108	AcroRd32.exe
1108	AcroRd32.exe
1108	AcroRd32.exe
1108	AcroRd32.exe
1108	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1108 wrote to memory of 2300	1108	AcroRd32.exe	82
PID 1108 wrote to memory of 2300	1108	AcroRd32.exe	82
PID 1108 wrote to memory of 2300	1108	AcroRd32.exe	82
PID 2300 wrote to memory of 5088	2300	RdrCEF.exe	83
PID 2300 wrote to memory of 5088	2300	RdrCEF.exe	83
PID 2300 wrote to memory of 5088	2300	RdrCEF.exe	83
PID 2300 wrote to memory of 5088	2300	RdrCEF.exe	83
PID 2300 wrote to memory of 5088	2300	RdrCEF.exe	83
PID 2300 wrote to memory of 5088	2300	RdrCEF.exe	83
PID 2300 wrote to memory of 5088	2300	RdrCEF.exe	83
PID 2300 wrote to memory of 5088	2300	RdrCEF.exe	83
PID 2300 wrote to memory of 5088	2300	RdrCEF.exe	83
PID 2300 wrote to memory of 5088	2300	RdrCEF.exe	83
PID 2300 wrote to memory of 5088	2300	RdrCEF.exe	83
PID 2300 wrote to memory of 5088	2300	RdrCEF.exe	83
PID 2300 wrote to memory of 5088	2300	RdrCEF.exe	83
PID 2300 wrote to memory of 5088	2300	RdrCEF.exe	83
PID 2300 wrote to memory of 5088	2300	RdrCEF.exe	83
PID 2300 wrote to memory of 5088	2300	RdrCEF.exe	83
PID 2300 wrote to memory of 5088	2300	RdrCEF.exe	83
PID 2300 wrote to memory of 5088	2300	RdrCEF.exe	83
PID 2300 wrote to memory of 5088	2300	RdrCEF.exe	83
PID 2300 wrote to memory of 5088	2300	RdrCEF.exe	83
PID 2300 wrote to memory of 5088	2300	RdrCEF.exe	83
PID 2300 wrote to memory of 5088	2300	RdrCEF.exe	83
PID 2300 wrote to memory of 5088	2300	RdrCEF.exe	83
PID 2300 wrote to memory of 5088	2300	RdrCEF.exe	83
PID 2300 wrote to memory of 5088	2300	RdrCEF.exe	83
PID 2300 wrote to memory of 5088	2300	RdrCEF.exe	83
PID 2300 wrote to memory of 5088	2300	RdrCEF.exe	83
PID 2300 wrote to memory of 5088	2300	RdrCEF.exe	83
PID 2300 wrote to memory of 5088	2300	RdrCEF.exe	83
PID 2300 wrote to memory of 5088	2300	RdrCEF.exe	83
PID 2300 wrote to memory of 5088	2300	RdrCEF.exe	83
PID 2300 wrote to memory of 5088	2300	RdrCEF.exe	83
PID 2300 wrote to memory of 5088	2300	RdrCEF.exe	83
PID 2300 wrote to memory of 5088	2300	RdrCEF.exe	83
PID 2300 wrote to memory of 5088	2300	RdrCEF.exe	83
PID 2300 wrote to memory of 5088	2300	RdrCEF.exe	83
PID 2300 wrote to memory of 5088	2300	RdrCEF.exe	83
PID 2300 wrote to memory of 5088	2300	RdrCEF.exe	83
PID 2300 wrote to memory of 5088	2300	RdrCEF.exe	83
PID 2300 wrote to memory of 5088	2300	RdrCEF.exe	83
PID 2300 wrote to memory of 5088	2300	RdrCEF.exe	83
PID 2300 wrote to memory of 3336	2300	RdrCEF.exe	84
PID 2300 wrote to memory of 3336	2300	RdrCEF.exe	84
PID 2300 wrote to memory of 3336	2300	RdrCEF.exe	84
PID 2300 wrote to memory of 3336	2300	RdrCEF.exe	84
PID 2300 wrote to memory of 3336	2300	RdrCEF.exe	84
PID 2300 wrote to memory of 3336	2300	RdrCEF.exe	84
PID 2300 wrote to memory of 3336	2300	RdrCEF.exe	84
PID 2300 wrote to memory of 3336	2300	RdrCEF.exe	84
PID 2300 wrote to memory of 3336	2300	RdrCEF.exe	84
PID 2300 wrote to memory of 3336	2300	RdrCEF.exe	84
PID 2300 wrote to memory of 3336	2300	RdrCEF.exe	84
PID 2300 wrote to memory of 3336	2300	RdrCEF.exe	84
PID 2300 wrote to memory of 3336	2300	RdrCEF.exe	84
PID 2300 wrote to memory of 3336	2300	RdrCEF.exe	84
PID 2300 wrote to memory of 3336	2300	RdrCEF.exe	84
PID 2300 wrote to memory of 3336	2300	RdrCEF.exe	84
PID 2300 wrote to memory of 3336	2300	RdrCEF.exe	84
PID 2300 wrote to memory of 3336	2300	RdrCEF.exe	84
PID 2300 wrote to memory of 3336	2300	RdrCEF.exe	84
PID 2300 wrote to memory of 3336	2300	RdrCEF.exe	84

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\a066677fd4a231faf385490cdd05c651.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:1108
- 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:2300
- - 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=5AD0AF216B76CA16904F9E3D6AED087B --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5088
- - 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=381278E5E2801EC946988EDAE0D2F515 --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=381278E5E2801EC946988EDAE0D2F515 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3336
- - 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=D6DA396DFA015A8E95B6848C1E5623B2 --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=D6DA396DFA015A8E95B6848C1E5623B2 --renderer-client-id=4 --mojo-platform-channel-handle=2184 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3860
- - 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=FEB8477E35586D5E5652CFACBEE7224A --mojo-platform-channel-handle=1844 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3756
- - 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=08EE3ABF99313DFB62376372F587FCA6 --mojo-platform-channel-handle=2572 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:916
- - 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=329E31F107A6113B3043D201CF905AB3 --mojo-platform-channel-handle=2592 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4624

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4068

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

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Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
fd7c08734d5e87e4455055917eb46182

SHA1
ec0caa32067a37087a074ca2e09192be24432723

SHA256
c1e6b4223c006823d0712d6cc110a6dadd929f6c8fa894562342d9ada7411c02

SHA512
a4ff1e766ce474c285141ead9b096595e395139321572d85a32610a91ebfc7ca72ad037863af196dc998f8de19e6603fbe67b30d3d6429b5220e1e524adcc30b

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