a4f6cd4871ae43ec82f1f2f24cad902d13fa0453c2ab03b18c1be64bddaef93b

Analysis

max time kernel
143s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
28/02/2024, 06:31

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General

Target

ab3ac522de86075a2cdd24d209d0db35.pdf
Size

88KB
MD5

ab3ac522de86075a2cdd24d209d0db35
SHA1

76bd12e7f100f5b28fd278034e032a1cebf6bb2d
SHA256

a4f6cd4871ae43ec82f1f2f24cad902d13fa0453c2ab03b18c1be64bddaef93b
SHA512

94508c5561fa371583362aec608745113cb46ff3e90f32fca576fccdbe018f20e74ca92df2dd78fa213fed0cb953c41846b85d5a3df083bf09559b4f7593628d
SSDEEP

1536:I+1B9JGIT9cim8+0YpHciS99ugZAfNWlnsWopV0C3P+WHiJOb0P6DWWaDomfyVWv:N3jpxY+iSzugZQQsWe+Cf7HMOYPmkDQA

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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2592	AcroRd32.exe
2592	AcroRd32.exe
2592	AcroRd32.exe
2592	AcroRd32.exe
2592	AcroRd32.exe
2592	AcroRd32.exe
2592	AcroRd32.exe
2592	AcroRd32.exe
2592	AcroRd32.exe
2592	AcroRd32.exe
2592	AcroRd32.exe
2592	AcroRd32.exe
2592	AcroRd32.exe
2592	AcroRd32.exe
2592	AcroRd32.exe
2592	AcroRd32.exe
2592	AcroRd32.exe
2592	AcroRd32.exe
2592	AcroRd32.exe
2592	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2592	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2592	AcroRd32.exe
2592	AcroRd32.exe
2592	AcroRd32.exe
2592	AcroRd32.exe
2592	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2592 wrote to memory of 4620	2592	AcroRd32.exe	98
PID 2592 wrote to memory of 4620	2592	AcroRd32.exe	98
PID 2592 wrote to memory of 4620	2592	AcroRd32.exe	98
PID 4620 wrote to memory of 4168	4620	RdrCEF.exe	99
PID 4620 wrote to memory of 4168	4620	RdrCEF.exe	99
PID 4620 wrote to memory of 4168	4620	RdrCEF.exe	99
PID 4620 wrote to memory of 4168	4620	RdrCEF.exe	99
PID 4620 wrote to memory of 4168	4620	RdrCEF.exe	99
PID 4620 wrote to memory of 4168	4620	RdrCEF.exe	99
PID 4620 wrote to memory of 4168	4620	RdrCEF.exe	99
PID 4620 wrote to memory of 4168	4620	RdrCEF.exe	99
PID 4620 wrote to memory of 4168	4620	RdrCEF.exe	99
PID 4620 wrote to memory of 4168	4620	RdrCEF.exe	99
PID 4620 wrote to memory of 4168	4620	RdrCEF.exe	99
PID 4620 wrote to memory of 4168	4620	RdrCEF.exe	99
PID 4620 wrote to memory of 4168	4620	RdrCEF.exe	99
PID 4620 wrote to memory of 4168	4620	RdrCEF.exe	99
PID 4620 wrote to memory of 4168	4620	RdrCEF.exe	99
PID 4620 wrote to memory of 4168	4620	RdrCEF.exe	99
PID 4620 wrote to memory of 4168	4620	RdrCEF.exe	99
PID 4620 wrote to memory of 4168	4620	RdrCEF.exe	99
PID 4620 wrote to memory of 4168	4620	RdrCEF.exe	99
PID 4620 wrote to memory of 4168	4620	RdrCEF.exe	99
PID 4620 wrote to memory of 4168	4620	RdrCEF.exe	99
PID 4620 wrote to memory of 4168	4620	RdrCEF.exe	99
PID 4620 wrote to memory of 4168	4620	RdrCEF.exe	99
PID 4620 wrote to memory of 4168	4620	RdrCEF.exe	99
PID 4620 wrote to memory of 4168	4620	RdrCEF.exe	99
PID 4620 wrote to memory of 4168	4620	RdrCEF.exe	99
PID 4620 wrote to memory of 4168	4620	RdrCEF.exe	99
PID 4620 wrote to memory of 4168	4620	RdrCEF.exe	99
PID 4620 wrote to memory of 4168	4620	RdrCEF.exe	99
PID 4620 wrote to memory of 4168	4620	RdrCEF.exe	99
PID 4620 wrote to memory of 4168	4620	RdrCEF.exe	99
PID 4620 wrote to memory of 4168	4620	RdrCEF.exe	99
PID 4620 wrote to memory of 4168	4620	RdrCEF.exe	99
PID 4620 wrote to memory of 4168	4620	RdrCEF.exe	99
PID 4620 wrote to memory of 4168	4620	RdrCEF.exe	99
PID 4620 wrote to memory of 4168	4620	RdrCEF.exe	99
PID 4620 wrote to memory of 4168	4620	RdrCEF.exe	99
PID 4620 wrote to memory of 4168	4620	RdrCEF.exe	99
PID 4620 wrote to memory of 4168	4620	RdrCEF.exe	99
PID 4620 wrote to memory of 4168	4620	RdrCEF.exe	99
PID 4620 wrote to memory of 4168	4620	RdrCEF.exe	99
PID 4620 wrote to memory of 4180	4620	RdrCEF.exe	100
PID 4620 wrote to memory of 4180	4620	RdrCEF.exe	100
PID 4620 wrote to memory of 4180	4620	RdrCEF.exe	100
PID 4620 wrote to memory of 4180	4620	RdrCEF.exe	100
PID 4620 wrote to memory of 4180	4620	RdrCEF.exe	100
PID 4620 wrote to memory of 4180	4620	RdrCEF.exe	100
PID 4620 wrote to memory of 4180	4620	RdrCEF.exe	100
PID 4620 wrote to memory of 4180	4620	RdrCEF.exe	100
PID 4620 wrote to memory of 4180	4620	RdrCEF.exe	100
PID 4620 wrote to memory of 4180	4620	RdrCEF.exe	100
PID 4620 wrote to memory of 4180	4620	RdrCEF.exe	100
PID 4620 wrote to memory of 4180	4620	RdrCEF.exe	100
PID 4620 wrote to memory of 4180	4620	RdrCEF.exe	100
PID 4620 wrote to memory of 4180	4620	RdrCEF.exe	100
PID 4620 wrote to memory of 4180	4620	RdrCEF.exe	100
PID 4620 wrote to memory of 4180	4620	RdrCEF.exe	100
PID 4620 wrote to memory of 4180	4620	RdrCEF.exe	100
PID 4620 wrote to memory of 4180	4620	RdrCEF.exe	100
PID 4620 wrote to memory of 4180	4620	RdrCEF.exe	100
PID 4620 wrote to memory of 4180	4620	RdrCEF.exe	100

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\ab3ac522de86075a2cdd24d209d0db35.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:2592
- 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:4620
- - 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=BD966CB036C12437EBC97BDB051CA4D8 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4168
- - 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=4C8AA578CB39FC158811391C68D3E20A --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=4C8AA578CB39FC158811391C68D3E20A --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4180
- - 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=66EAF44E8573523FFE1E43BE29AF92B3 --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=66EAF44E8573523FFE1E43BE29AF92B3 --renderer-client-id=4 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:936
- - 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=3AB59A33A47D414637C351E314626EA0 --mojo-platform-channel-handle=1844 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3428
- - 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=90F9EE5009622E2464F0D51D2A3B6317 --mojo-platform-channel-handle=2108 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3252
- - 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=C911000B78139DB3334A94E9FABD427A --mojo-platform-channel-handle=2668 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4216

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3684 --field-trial-handle=2656,i,16940681401824032220,151921362336696246,262144 --variations-seed-version /prefetch:8
1⤵
PID:3732

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
7608813e8036ac61d9e2bb87c2376694

SHA1
15b40929b5f7c47b7588b6fb43ba8b6b4e795268

SHA256
c29ffaa240c0a79707581c8a70bb75b53af26c9b4b05df1e0c9334447f307f70

SHA512
78c46b95ee651d025bfe6d8ef8a9c7f851fc34bc06f5ca43b7951dbb31ca0c1e3981aa3b060e0aa13dd0a286986e1545c16243f648b9e5257ff7919c9c0716e6

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