d4df5aa96d6b15dd9981624a86056ce0df0706dbc42650ee0391b54bc7eee0ce

Analysis

max time kernel
151s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 20:40

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General

Target

1c028372fdaec14712e760f4eb034e55.pdf
Size

18KB
MD5

1c028372fdaec14712e760f4eb034e55
SHA1

fd919c76a281e9c76abfb589c25be8fbd6c3c3ca
SHA256

d4df5aa96d6b15dd9981624a86056ce0df0706dbc42650ee0391b54bc7eee0ce
SHA512

f9ce5e628262dfe74ae125a45125d92b58cca275d2c021422a30877fb0197f4e5eeea59bbc6eb62fb260972eb90ed68447eb7b4503b5ba0a84f96a0ac639a3f6
SSDEEP

384:l1D2CcSB+SVuwuZ/fVieevi1qrfL+UrXMVN5v2tVAHT:HBB+oQ19evGqLLBrGv2tVAHT

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 22 IoCs

pid	Process
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4372 wrote to memory of 412	4372	AcroRd32.exe	92
PID 4372 wrote to memory of 412	4372	AcroRd32.exe	92
PID 4372 wrote to memory of 412	4372	AcroRd32.exe	92
PID 4372 wrote to memory of 3140	4372	AcroRd32.exe	96
PID 4372 wrote to memory of 3140	4372	AcroRd32.exe	96
PID 4372 wrote to memory of 3140	4372	AcroRd32.exe	96
PID 4372 wrote to memory of 4412	4372	AcroRd32.exe	98
PID 4372 wrote to memory of 4412	4372	AcroRd32.exe	98
PID 4372 wrote to memory of 4412	4372	AcroRd32.exe	98
PID 4372 wrote to memory of 4376	4372	AcroRd32.exe	101
PID 4372 wrote to memory of 4376	4372	AcroRd32.exe	101
PID 4372 wrote to memory of 4376	4372	AcroRd32.exe	101
PID 4376 wrote to memory of 224	4376	RdrCEF.exe	102
PID 4376 wrote to memory of 224	4376	RdrCEF.exe	102
PID 4376 wrote to memory of 224	4376	RdrCEF.exe	102
PID 4376 wrote to memory of 224	4376	RdrCEF.exe	102
PID 4376 wrote to memory of 224	4376	RdrCEF.exe	102
PID 4376 wrote to memory of 224	4376	RdrCEF.exe	102
PID 4376 wrote to memory of 224	4376	RdrCEF.exe	102
PID 4376 wrote to memory of 224	4376	RdrCEF.exe	102
PID 4376 wrote to memory of 224	4376	RdrCEF.exe	102
PID 4376 wrote to memory of 224	4376	RdrCEF.exe	102
PID 4376 wrote to memory of 224	4376	RdrCEF.exe	102
PID 4376 wrote to memory of 224	4376	RdrCEF.exe	102
PID 4376 wrote to memory of 224	4376	RdrCEF.exe	102
PID 4376 wrote to memory of 224	4376	RdrCEF.exe	102
PID 4376 wrote to memory of 224	4376	RdrCEF.exe	102
PID 4376 wrote to memory of 224	4376	RdrCEF.exe	102
PID 4376 wrote to memory of 224	4376	RdrCEF.exe	102
PID 4376 wrote to memory of 224	4376	RdrCEF.exe	102
PID 4376 wrote to memory of 224	4376	RdrCEF.exe	102
PID 4376 wrote to memory of 224	4376	RdrCEF.exe	102
PID 4376 wrote to memory of 224	4376	RdrCEF.exe	102
PID 4376 wrote to memory of 224	4376	RdrCEF.exe	102
PID 4376 wrote to memory of 224	4376	RdrCEF.exe	102
PID 4376 wrote to memory of 224	4376	RdrCEF.exe	102
PID 4376 wrote to memory of 224	4376	RdrCEF.exe	102
PID 4376 wrote to memory of 224	4376	RdrCEF.exe	102
PID 4376 wrote to memory of 224	4376	RdrCEF.exe	102
PID 4376 wrote to memory of 224	4376	RdrCEF.exe	102
PID 4376 wrote to memory of 224	4376	RdrCEF.exe	102
PID 4376 wrote to memory of 224	4376	RdrCEF.exe	102
PID 4376 wrote to memory of 224	4376	RdrCEF.exe	102
PID 4376 wrote to memory of 224	4376	RdrCEF.exe	102
PID 4376 wrote to memory of 224	4376	RdrCEF.exe	102
PID 4376 wrote to memory of 224	4376	RdrCEF.exe	102
PID 4376 wrote to memory of 224	4376	RdrCEF.exe	102
PID 4376 wrote to memory of 224	4376	RdrCEF.exe	102
PID 4376 wrote to memory of 224	4376	RdrCEF.exe	102
PID 4376 wrote to memory of 224	4376	RdrCEF.exe	102
PID 4376 wrote to memory of 224	4376	RdrCEF.exe	102
PID 4376 wrote to memory of 224	4376	RdrCEF.exe	102
PID 4376 wrote to memory of 224	4376	RdrCEF.exe	102
PID 4376 wrote to memory of 2016	4376	RdrCEF.exe	103
PID 4376 wrote to memory of 2016	4376	RdrCEF.exe	103
PID 4376 wrote to memory of 2016	4376	RdrCEF.exe	103
PID 4376 wrote to memory of 2016	4376	RdrCEF.exe	103
PID 4376 wrote to memory of 2016	4376	RdrCEF.exe	103
PID 4376 wrote to memory of 2016	4376	RdrCEF.exe	103
PID 4376 wrote to memory of 2016	4376	RdrCEF.exe	103
PID 4376 wrote to memory of 2016	4376	RdrCEF.exe	103
PID 4376 wrote to memory of 2016	4376	RdrCEF.exe	103
PID 4376 wrote to memory of 2016	4376	RdrCEF.exe	103
PID 4376 wrote to memory of 2016	4376	RdrCEF.exe	103

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\1c028372fdaec14712e760f4eb034e55.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4372
- 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:412
- 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:3140
- 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:4412
- 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:4376
- - 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=8C9234F557D8B3A90DAFA0CC8510C41B --mojo-platform-channel-handle=1708 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:224
- - 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=3D1B890B47762D873BDD08A46261EA12 --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=3D1B890B47762D873BDD08A46261EA12 --renderer-client-id=2 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2016
- - 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=021BDDBA8ED825A91598A13705165DEF --mojo-platform-channel-handle=2292 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1344
- - 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=A9D18B6E2E53D5A7859799EF049150AB --mojo-platform-channel-handle=1700 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1772
- - 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=974A05A452385C995F75EBF575E800F5 --mojo-platform-channel-handle=1696 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:772

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2588

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
7dbb858ae15e6e780bf35f3194f5dc07

SHA1
6d413854a340723cddcd5ee53e510e21d3684594

SHA256
1360dc3fbe938fb1f2bbd2f24e2adde96b860cfc8630fe0bb2ce739fb078b49b

SHA512
e542bc964875e55b94fc9979fa23f0b7208724ce9f38b270342e4334c4fcfc0d600320aac4f2cf9e15f8ad7bed97867483fed50c2e380cab8d4c5d742ed93a45

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
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit