1e8ff38679aecedd6a41ccffd609b76c0951c2b776ebd2b34485d64d078d83d8

Analysis

max time kernel
155s
max time network
162s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
11/03/2024, 18:05

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General

Target

c140f22fd0cb24dd16c0027ec8a18a03.pdf
Size

86KB
MD5

c140f22fd0cb24dd16c0027ec8a18a03
SHA1

a93022e1361dd7252a897925feac471e7e23f87f
SHA256

1e8ff38679aecedd6a41ccffd609b76c0951c2b776ebd2b34485d64d078d83d8
SHA512

6618d75b252a1c58942be47b8ed8aea98d1eae899c9d90b15faa8f52466f32b8bb705f0dc4f1ecca00807304b04243fd37b3998cd41ff1ba090224e3524571c4
SSDEEP

1536:SYvgIG4LoCTvmuev2aFV0UV9CtCOsFCWBOCfRBV9vRbra8WspOR4PY:hIIG40sOOi0UCsFzZBnJbraXRR

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 22 IoCs

pid	Process
760	AcroRd32.exe
760	AcroRd32.exe
760	AcroRd32.exe
760	AcroRd32.exe
760	AcroRd32.exe
760	AcroRd32.exe
760	AcroRd32.exe
760	AcroRd32.exe
760	AcroRd32.exe
760	AcroRd32.exe
760	AcroRd32.exe
760	AcroRd32.exe
760	AcroRd32.exe
760	AcroRd32.exe
760	AcroRd32.exe
760	AcroRd32.exe
760	AcroRd32.exe
760	AcroRd32.exe
760	AcroRd32.exe
760	AcroRd32.exe
760	AcroRd32.exe
760	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
760	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
760	AcroRd32.exe
760	AcroRd32.exe
760	AcroRd32.exe
760	AcroRd32.exe
760	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 760 wrote to memory of 4784	760	AcroRd32.exe	106
PID 760 wrote to memory of 4784	760	AcroRd32.exe	106
PID 760 wrote to memory of 4784	760	AcroRd32.exe	106
PID 760 wrote to memory of 2084	760	AcroRd32.exe	108
PID 760 wrote to memory of 2084	760	AcroRd32.exe	108
PID 760 wrote to memory of 2084	760	AcroRd32.exe	108
PID 760 wrote to memory of 2332	760	AcroRd32.exe	109
PID 760 wrote to memory of 2332	760	AcroRd32.exe	109
PID 760 wrote to memory of 2332	760	AcroRd32.exe	109
PID 2332 wrote to memory of 3548	2332	RdrCEF.exe	112
PID 2332 wrote to memory of 3548	2332	RdrCEF.exe	112
PID 2332 wrote to memory of 3548	2332	RdrCEF.exe	112
PID 2332 wrote to memory of 3548	2332	RdrCEF.exe	112
PID 2332 wrote to memory of 3548	2332	RdrCEF.exe	112
PID 2332 wrote to memory of 3548	2332	RdrCEF.exe	112
PID 2332 wrote to memory of 3548	2332	RdrCEF.exe	112
PID 2332 wrote to memory of 3548	2332	RdrCEF.exe	112
PID 2332 wrote to memory of 3548	2332	RdrCEF.exe	112
PID 2332 wrote to memory of 3548	2332	RdrCEF.exe	112
PID 2332 wrote to memory of 3548	2332	RdrCEF.exe	112
PID 2332 wrote to memory of 3548	2332	RdrCEF.exe	112
PID 2332 wrote to memory of 3548	2332	RdrCEF.exe	112
PID 2332 wrote to memory of 3548	2332	RdrCEF.exe	112
PID 2332 wrote to memory of 3548	2332	RdrCEF.exe	112
PID 2332 wrote to memory of 3548	2332	RdrCEF.exe	112
PID 2332 wrote to memory of 3548	2332	RdrCEF.exe	112
PID 2332 wrote to memory of 3548	2332	RdrCEF.exe	112
PID 2332 wrote to memory of 3548	2332	RdrCEF.exe	112
PID 2332 wrote to memory of 3548	2332	RdrCEF.exe	112
PID 2332 wrote to memory of 3548	2332	RdrCEF.exe	112
PID 2332 wrote to memory of 3548	2332	RdrCEF.exe	112
PID 2332 wrote to memory of 3548	2332	RdrCEF.exe	112
PID 2332 wrote to memory of 3548	2332	RdrCEF.exe	112
PID 2332 wrote to memory of 3548	2332	RdrCEF.exe	112
PID 2332 wrote to memory of 3548	2332	RdrCEF.exe	112
PID 2332 wrote to memory of 3548	2332	RdrCEF.exe	112
PID 2332 wrote to memory of 3548	2332	RdrCEF.exe	112
PID 2332 wrote to memory of 3548	2332	RdrCEF.exe	112
PID 2332 wrote to memory of 3548	2332	RdrCEF.exe	112
PID 2332 wrote to memory of 3548	2332	RdrCEF.exe	112
PID 2332 wrote to memory of 3548	2332	RdrCEF.exe	112
PID 2332 wrote to memory of 3548	2332	RdrCEF.exe	112
PID 2332 wrote to memory of 3548	2332	RdrCEF.exe	112
PID 2332 wrote to memory of 3548	2332	RdrCEF.exe	112
PID 2332 wrote to memory of 3548	2332	RdrCEF.exe	112
PID 2332 wrote to memory of 3548	2332	RdrCEF.exe	112
PID 2332 wrote to memory of 3548	2332	RdrCEF.exe	112
PID 2332 wrote to memory of 3548	2332	RdrCEF.exe	112
PID 2332 wrote to memory of 3548	2332	RdrCEF.exe	112
PID 2332 wrote to memory of 3548	2332	RdrCEF.exe	112
PID 2332 wrote to memory of 3504	2332	RdrCEF.exe	113
PID 2332 wrote to memory of 3504	2332	RdrCEF.exe	113
PID 2332 wrote to memory of 3504	2332	RdrCEF.exe	113
PID 2332 wrote to memory of 3504	2332	RdrCEF.exe	113
PID 2332 wrote to memory of 3504	2332	RdrCEF.exe	113
PID 2332 wrote to memory of 3504	2332	RdrCEF.exe	113
PID 2332 wrote to memory of 3504	2332	RdrCEF.exe	113
PID 2332 wrote to memory of 3504	2332	RdrCEF.exe	113
PID 2332 wrote to memory of 3504	2332	RdrCEF.exe	113
PID 2332 wrote to memory of 3504	2332	RdrCEF.exe	113
PID 2332 wrote to memory of 3504	2332	RdrCEF.exe	113
PID 2332 wrote to memory of 3504	2332	RdrCEF.exe	113
PID 2332 wrote to memory of 3504	2332	RdrCEF.exe	113
PID 2332 wrote to memory of 3504	2332	RdrCEF.exe	113

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\c140f22fd0cb24dd16c0027ec8a18a03.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:760
- 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⤵
  PID:4784
- 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⤵
  PID:2084
- 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:2332
- - 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=5D6D31FE2460371C6DE58946308F673F --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3548
- - 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=E18B645EDC869DA700B1D2C17FD56DD0 --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=E18B645EDC869DA700B1D2C17FD56DD0 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3504
- - 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=EF7690DFF829DC0AF748021994F8131C --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=EF7690DFF829DC0AF748021994F8131C --renderer-client-id=4 --mojo-platform-channel-handle=2148 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1096
- - 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=CA16E01211231B9182ECB50DB5C84F60 --mojo-platform-channel-handle=2532 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:432
- - 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=2C05F3566917471036EEE8F4F1EC0B07 --mojo-platform-channel-handle=1844 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3172
- - 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=BFB4D00639EF721C7524D02D28D20962 --mojo-platform-channel-handle=2020 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5216

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=4068 --field-trial-handle=2236,i,5367110156796017614,12594004256180761011,262144 --variations-seed-version /prefetch:8
1⤵
PID:4380

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4812

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
e4b227b7addaa558b2875b7fb8aab238

SHA1
6c29a7fa5310ccec3e62d0a0d962f43062a83c9f

SHA256
2bca0deef9c48e0db4f24a86cd8603637b9bcab86da13329d52e1e9d66bbae4e

SHA512
d21b153178e77c4d7ce67d46c47186319ba1a018c822c44d29f3b6a4d5b733afdfedc30208a0c61127f796b836d716ed643e36c07573e448cbb52109bcbb5a2d

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