dd27d5595931ba6ec258c761359aafdd2c0f1d6579ad9a4301537a7e39a8f25d

Analysis

max time kernel
140s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20230221-en
resource tags

arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
submitted
13/04/2023, 01:12

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General

Target

76b23b03e632208f9c5c64fe935e6b3d4e3765ee9313fad4102686963f249430.pdf
Size

68KB
MD5

45c649d88486a90abd372ba4ad0e4abc
SHA1

e52cfc83b823d640c9322cdcf30e45ee461d463f
SHA256

76b23b03e632208f9c5c64fe935e6b3d4e3765ee9313fad4102686963f249430
SHA512

cc7a605bf8f0a85e7dd78962cd52eb988557e2ffa9e36db4a9c7ecc8c33a011978ec37a7a39b59b345c8ef288db26efa04ba1977e452f838f8789b315f3685d0
SSDEEP

1536:7a9Fp2poFKI3P95c6nfpUpM4/3/sI9uFCRCsyWABF/l:7a9FQG9+6nQNvsNCRpyWAT/l

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-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2564	AcroRd32.exe
2564	AcroRd32.exe
2564	AcroRd32.exe
2564	AcroRd32.exe
2564	AcroRd32.exe
2564	AcroRd32.exe
2564	AcroRd32.exe
2564	AcroRd32.exe
2564	AcroRd32.exe
2564	AcroRd32.exe
2564	AcroRd32.exe
2564	AcroRd32.exe
2564	AcroRd32.exe
2564	AcroRd32.exe
2564	AcroRd32.exe
2564	AcroRd32.exe
2564	AcroRd32.exe
2564	AcroRd32.exe
2564	AcroRd32.exe
2564	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2564	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2564	AcroRd32.exe
2564	AcroRd32.exe
2564	AcroRd32.exe
2564	AcroRd32.exe
2564	AcroRd32.exe
2564	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2564 wrote to memory of 4288	2564	AcroRd32.exe	83
PID 2564 wrote to memory of 4288	2564	AcroRd32.exe	83
PID 2564 wrote to memory of 4288	2564	AcroRd32.exe	83
PID 4288 wrote to memory of 3372	4288	RdrCEF.exe	84
PID 4288 wrote to memory of 3372	4288	RdrCEF.exe	84
PID 4288 wrote to memory of 3372	4288	RdrCEF.exe	84
PID 4288 wrote to memory of 3372	4288	RdrCEF.exe	84
PID 4288 wrote to memory of 3372	4288	RdrCEF.exe	84
PID 4288 wrote to memory of 3372	4288	RdrCEF.exe	84
PID 4288 wrote to memory of 3372	4288	RdrCEF.exe	84
PID 4288 wrote to memory of 3372	4288	RdrCEF.exe	84
PID 4288 wrote to memory of 3372	4288	RdrCEF.exe	84
PID 4288 wrote to memory of 3372	4288	RdrCEF.exe	84
PID 4288 wrote to memory of 3372	4288	RdrCEF.exe	84
PID 4288 wrote to memory of 3372	4288	RdrCEF.exe	84
PID 4288 wrote to memory of 3372	4288	RdrCEF.exe	84
PID 4288 wrote to memory of 3372	4288	RdrCEF.exe	84
PID 4288 wrote to memory of 3372	4288	RdrCEF.exe	84
PID 4288 wrote to memory of 3372	4288	RdrCEF.exe	84
PID 4288 wrote to memory of 3372	4288	RdrCEF.exe	84
PID 4288 wrote to memory of 3372	4288	RdrCEF.exe	84
PID 4288 wrote to memory of 3372	4288	RdrCEF.exe	84
PID 4288 wrote to memory of 3372	4288	RdrCEF.exe	84
PID 4288 wrote to memory of 3372	4288	RdrCEF.exe	84
PID 4288 wrote to memory of 3372	4288	RdrCEF.exe	84
PID 4288 wrote to memory of 3372	4288	RdrCEF.exe	84
PID 4288 wrote to memory of 3372	4288	RdrCEF.exe	84
PID 4288 wrote to memory of 3372	4288	RdrCEF.exe	84
PID 4288 wrote to memory of 3372	4288	RdrCEF.exe	84
PID 4288 wrote to memory of 3372	4288	RdrCEF.exe	84
PID 4288 wrote to memory of 3372	4288	RdrCEF.exe	84
PID 4288 wrote to memory of 3372	4288	RdrCEF.exe	84
PID 4288 wrote to memory of 3372	4288	RdrCEF.exe	84
PID 4288 wrote to memory of 3372	4288	RdrCEF.exe	84
PID 4288 wrote to memory of 3372	4288	RdrCEF.exe	84
PID 4288 wrote to memory of 3372	4288	RdrCEF.exe	84
PID 4288 wrote to memory of 3372	4288	RdrCEF.exe	84
PID 4288 wrote to memory of 3372	4288	RdrCEF.exe	84
PID 4288 wrote to memory of 3372	4288	RdrCEF.exe	84
PID 4288 wrote to memory of 3372	4288	RdrCEF.exe	84
PID 4288 wrote to memory of 3372	4288	RdrCEF.exe	84
PID 4288 wrote to memory of 3372	4288	RdrCEF.exe	84
PID 4288 wrote to memory of 3372	4288	RdrCEF.exe	84
PID 4288 wrote to memory of 3372	4288	RdrCEF.exe	84
PID 4288 wrote to memory of 3808	4288	RdrCEF.exe	85
PID 4288 wrote to memory of 3808	4288	RdrCEF.exe	85
PID 4288 wrote to memory of 3808	4288	RdrCEF.exe	85
PID 4288 wrote to memory of 3808	4288	RdrCEF.exe	85
PID 4288 wrote to memory of 3808	4288	RdrCEF.exe	85
PID 4288 wrote to memory of 3808	4288	RdrCEF.exe	85
PID 4288 wrote to memory of 3808	4288	RdrCEF.exe	85
PID 4288 wrote to memory of 3808	4288	RdrCEF.exe	85
PID 4288 wrote to memory of 3808	4288	RdrCEF.exe	85
PID 4288 wrote to memory of 3808	4288	RdrCEF.exe	85
PID 4288 wrote to memory of 3808	4288	RdrCEF.exe	85
PID 4288 wrote to memory of 3808	4288	RdrCEF.exe	85
PID 4288 wrote to memory of 3808	4288	RdrCEF.exe	85
PID 4288 wrote to memory of 3808	4288	RdrCEF.exe	85
PID 4288 wrote to memory of 3808	4288	RdrCEF.exe	85
PID 4288 wrote to memory of 3808	4288	RdrCEF.exe	85
PID 4288 wrote to memory of 3808	4288	RdrCEF.exe	85
PID 4288 wrote to memory of 3808	4288	RdrCEF.exe	85
PID 4288 wrote to memory of 3808	4288	RdrCEF.exe	85
PID 4288 wrote to memory of 3808	4288	RdrCEF.exe	85

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\76b23b03e632208f9c5c64fe935e6b3d4e3765ee9313fad4102686963f249430.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:2564
- 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:4288
- - 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=FF5F1F2ADCC834528D8CBDF6FFA2201A --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3372
- - 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=85B9460620CC1A8879EF925268996A4B --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=2 --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=85B9460620CC1A8879EF925268996A4B --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3808
- - 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=2D0B6BDFDEF403FCC1B74631E38F115F --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=2 --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=2D0B6BDFDEF403FCC1B74631E38F115F --renderer-client-id=4 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4560
- - 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=2DCC5AC8F5DB4B46CC7003C2E4E5D17F --mojo-platform-channel-handle=2572 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3952
- - 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=35308FA256C9F09FE93BC3A7998231CC --mojo-platform-channel-handle=1980 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4328
- - 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=AE5F48609C7D60A287C25B77DEEF3F72 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1648

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2660

Network

MITRE ATT&CK Enterprise v6

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

Filesize
64KB

MD5
05b4986e23c55276e6b55bff79689d14

SHA1
f879b1831f0bb0a93288a8bf703c06126d89aca1

SHA256
babadececc832ad0c896a8591b6fed3f58d68775aa125a65e3ce9405f0924b5e

SHA512
fbed1770137c524720fbbf921eab9ce588d907b6bf77bf1eeab585b3fc99d1295284822aa044e03db7a877244d2de08d63088ed6021f331596e8867c4bf2d909

Download Submit
memory/2564-161-0x000000000AD40000-0x000000000AD61000-memory.dmp

Filesize
132KB

Download