656d82c74b12719dbf4c2449ddc3287aea247ce8e7fc979961252294026282cb

Analysis

max time kernel
143s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25/01/2024, 03:03

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General

Target

7390df1b29d304e0c43ed4827eaec05e.pdf
Size

85KB
MD5

7390df1b29d304e0c43ed4827eaec05e
SHA1

962f26bb8c46d074ed846615b7b855e17b2488b3
SHA256

656d82c74b12719dbf4c2449ddc3287aea247ce8e7fc979961252294026282cb
SHA512

ca1a427f40fd4c1c3010ae947671a8dd3a5c1482a85aa0d2cca6dc8f49d7346ba82a51ad0ee2885b47a09cd9b4c06345f5afc6f47c1631dd29ecc652e9616114
SSDEEP

1536:ebD6IXutJKYsnLrcvwux2kOunp/+kuTxVWA19eP2XDp5uqWQpOCTue:ED6IetJKHHkOunpW/tQu/utCD

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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4488	AcroRd32.exe
4488	AcroRd32.exe
4488	AcroRd32.exe
4488	AcroRd32.exe
4488	AcroRd32.exe
4488	AcroRd32.exe
4488	AcroRd32.exe
4488	AcroRd32.exe
4488	AcroRd32.exe
4488	AcroRd32.exe
4488	AcroRd32.exe
4488	AcroRd32.exe
4488	AcroRd32.exe
4488	AcroRd32.exe
4488	AcroRd32.exe
4488	AcroRd32.exe
4488	AcroRd32.exe
4488	AcroRd32.exe
4488	AcroRd32.exe
4488	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4488	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4488	AcroRd32.exe
4488	AcroRd32.exe
4488	AcroRd32.exe
4488	AcroRd32.exe
4488	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4488 wrote to memory of 2224	4488	AcroRd32.exe	91
PID 4488 wrote to memory of 2224	4488	AcroRd32.exe	91
PID 4488 wrote to memory of 2224	4488	AcroRd32.exe	91
PID 2224 wrote to memory of 3936	2224	RdrCEF.exe	93
PID 2224 wrote to memory of 3936	2224	RdrCEF.exe	93
PID 2224 wrote to memory of 3936	2224	RdrCEF.exe	93
PID 2224 wrote to memory of 3936	2224	RdrCEF.exe	93
PID 2224 wrote to memory of 3936	2224	RdrCEF.exe	93
PID 2224 wrote to memory of 3936	2224	RdrCEF.exe	93
PID 2224 wrote to memory of 3936	2224	RdrCEF.exe	93
PID 2224 wrote to memory of 3936	2224	RdrCEF.exe	93
PID 2224 wrote to memory of 3936	2224	RdrCEF.exe	93
PID 2224 wrote to memory of 3936	2224	RdrCEF.exe	93
PID 2224 wrote to memory of 3936	2224	RdrCEF.exe	93
PID 2224 wrote to memory of 3936	2224	RdrCEF.exe	93
PID 2224 wrote to memory of 3936	2224	RdrCEF.exe	93
PID 2224 wrote to memory of 3936	2224	RdrCEF.exe	93
PID 2224 wrote to memory of 3936	2224	RdrCEF.exe	93
PID 2224 wrote to memory of 3936	2224	RdrCEF.exe	93
PID 2224 wrote to memory of 3936	2224	RdrCEF.exe	93
PID 2224 wrote to memory of 3936	2224	RdrCEF.exe	93
PID 2224 wrote to memory of 3936	2224	RdrCEF.exe	93
PID 2224 wrote to memory of 3936	2224	RdrCEF.exe	93
PID 2224 wrote to memory of 3936	2224	RdrCEF.exe	93
PID 2224 wrote to memory of 3936	2224	RdrCEF.exe	93
PID 2224 wrote to memory of 3936	2224	RdrCEF.exe	93
PID 2224 wrote to memory of 3936	2224	RdrCEF.exe	93
PID 2224 wrote to memory of 3936	2224	RdrCEF.exe	93
PID 2224 wrote to memory of 3936	2224	RdrCEF.exe	93
PID 2224 wrote to memory of 3936	2224	RdrCEF.exe	93
PID 2224 wrote to memory of 3936	2224	RdrCEF.exe	93
PID 2224 wrote to memory of 3936	2224	RdrCEF.exe	93
PID 2224 wrote to memory of 3936	2224	RdrCEF.exe	93
PID 2224 wrote to memory of 3936	2224	RdrCEF.exe	93
PID 2224 wrote to memory of 3936	2224	RdrCEF.exe	93
PID 2224 wrote to memory of 3936	2224	RdrCEF.exe	93
PID 2224 wrote to memory of 3936	2224	RdrCEF.exe	93
PID 2224 wrote to memory of 3936	2224	RdrCEF.exe	93
PID 2224 wrote to memory of 3936	2224	RdrCEF.exe	93
PID 2224 wrote to memory of 3936	2224	RdrCEF.exe	93
PID 2224 wrote to memory of 3936	2224	RdrCEF.exe	93
PID 2224 wrote to memory of 3936	2224	RdrCEF.exe	93
PID 2224 wrote to memory of 3936	2224	RdrCEF.exe	93
PID 2224 wrote to memory of 3936	2224	RdrCEF.exe	93
PID 2224 wrote to memory of 1884	2224	RdrCEF.exe	94
PID 2224 wrote to memory of 1884	2224	RdrCEF.exe	94
PID 2224 wrote to memory of 1884	2224	RdrCEF.exe	94
PID 2224 wrote to memory of 1884	2224	RdrCEF.exe	94
PID 2224 wrote to memory of 1884	2224	RdrCEF.exe	94
PID 2224 wrote to memory of 1884	2224	RdrCEF.exe	94
PID 2224 wrote to memory of 1884	2224	RdrCEF.exe	94
PID 2224 wrote to memory of 1884	2224	RdrCEF.exe	94
PID 2224 wrote to memory of 1884	2224	RdrCEF.exe	94
PID 2224 wrote to memory of 1884	2224	RdrCEF.exe	94
PID 2224 wrote to memory of 1884	2224	RdrCEF.exe	94
PID 2224 wrote to memory of 1884	2224	RdrCEF.exe	94
PID 2224 wrote to memory of 1884	2224	RdrCEF.exe	94
PID 2224 wrote to memory of 1884	2224	RdrCEF.exe	94
PID 2224 wrote to memory of 1884	2224	RdrCEF.exe	94
PID 2224 wrote to memory of 1884	2224	RdrCEF.exe	94
PID 2224 wrote to memory of 1884	2224	RdrCEF.exe	94
PID 2224 wrote to memory of 1884	2224	RdrCEF.exe	94
PID 2224 wrote to memory of 1884	2224	RdrCEF.exe	94
PID 2224 wrote to memory of 1884	2224	RdrCEF.exe	94

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\7390df1b29d304e0c43ed4827eaec05e.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:4488
- 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:2224
- - 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=DD9328C3743FE0BF4233D27C7056A87F --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3936
- - 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=0058F0064DE46BC6DE10AF760562060F --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=0058F0064DE46BC6DE10AF760562060F --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1884
- - 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=391C23AB15391FB85C3F9C78F6C7982C --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3292
- - 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=4A547E6C3C3F6490D1DFEA9C315B94CC --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=4A547E6C3C3F6490D1DFEA9C315B94CC --renderer-client-id=5 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5116
- - 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=8F83DD41C98D91DE08307CC9092C6CBF --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2752
- - 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=9FAC042FD8720D845429BBE59BE40E43 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3356

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1904

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
c3cc4a80680fc599a7df486b2d45d385

SHA1
4a728a311a443552dbfa7894494825b021f14dd3

SHA256
12ef9302fda4406a4f5d39a249775edd73873b73bb21f8f4f8ed92f500f745f0

SHA512
2fa877bd4f957dadf264278e1ec653c986da4a64dc36c23eeaef8ad5ae9c2d189edc8d57103728208bd95cf7a6756a974f313aa78c985ec2f84b70ac4a7fcfe7

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
memory/4488-28-0x000000000B990000-0x000000000B9B1000-memory.dmp

Filesize
132KB

Download