ee79e709180c78ee53b43228c67f4eb841dfa00b4fa2916507bcaadd04231d0d

Analysis

max time kernel
148s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
14/03/2024, 08:19

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General

Target

c824d0ed01601e1e14b5af08a54a0507.pdf
Size

89KB
MD5

c824d0ed01601e1e14b5af08a54a0507
SHA1

31ea1654306ee008232623a82bbaa64da0571f66
SHA256

ee79e709180c78ee53b43228c67f4eb841dfa00b4fa2916507bcaadd04231d0d
SHA512

4b77f6e20d3cda2f98b974d0f7b205ec8c921afc662f1473756631c5ced0f80b049ce08db1665d208a9c77a4730b7ea93fbef722b048770f5f67ffed4120dfef
SSDEEP

1536:4+26HbCGAsQhJAyb0Hpqjta2zwQAmhEakMHbiRNtMQnWS4F5/VbrPvWUpO7yI4:j/HUgJEa2zgmSBGbiC3pXPC7i

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-1-5-21-2727153400-192325109-1870347593-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4696	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4696 wrote to memory of 1940	4696	AcroRd32.exe	91
PID 4696 wrote to memory of 1940	4696	AcroRd32.exe	91
PID 4696 wrote to memory of 1940	4696	AcroRd32.exe	91
PID 1940 wrote to memory of 3488	1940	RdrCEF.exe	92
PID 1940 wrote to memory of 3488	1940	RdrCEF.exe	92
PID 1940 wrote to memory of 3488	1940	RdrCEF.exe	92
PID 1940 wrote to memory of 3488	1940	RdrCEF.exe	92
PID 1940 wrote to memory of 3488	1940	RdrCEF.exe	92
PID 1940 wrote to memory of 3488	1940	RdrCEF.exe	92
PID 1940 wrote to memory of 3488	1940	RdrCEF.exe	92
PID 1940 wrote to memory of 3488	1940	RdrCEF.exe	92
PID 1940 wrote to memory of 3488	1940	RdrCEF.exe	92
PID 1940 wrote to memory of 3488	1940	RdrCEF.exe	92
PID 1940 wrote to memory of 3488	1940	RdrCEF.exe	92
PID 1940 wrote to memory of 3488	1940	RdrCEF.exe	92
PID 1940 wrote to memory of 3488	1940	RdrCEF.exe	92
PID 1940 wrote to memory of 3488	1940	RdrCEF.exe	92
PID 1940 wrote to memory of 3488	1940	RdrCEF.exe	92
PID 1940 wrote to memory of 3488	1940	RdrCEF.exe	92
PID 1940 wrote to memory of 3488	1940	RdrCEF.exe	92
PID 1940 wrote to memory of 3488	1940	RdrCEF.exe	92
PID 1940 wrote to memory of 3488	1940	RdrCEF.exe	92
PID 1940 wrote to memory of 3488	1940	RdrCEF.exe	92
PID 1940 wrote to memory of 3488	1940	RdrCEF.exe	92
PID 1940 wrote to memory of 3488	1940	RdrCEF.exe	92
PID 1940 wrote to memory of 3488	1940	RdrCEF.exe	92
PID 1940 wrote to memory of 3488	1940	RdrCEF.exe	92
PID 1940 wrote to memory of 3488	1940	RdrCEF.exe	92
PID 1940 wrote to memory of 3488	1940	RdrCEF.exe	92
PID 1940 wrote to memory of 3488	1940	RdrCEF.exe	92
PID 1940 wrote to memory of 3488	1940	RdrCEF.exe	92
PID 1940 wrote to memory of 3488	1940	RdrCEF.exe	92
PID 1940 wrote to memory of 3488	1940	RdrCEF.exe	92
PID 1940 wrote to memory of 3488	1940	RdrCEF.exe	92
PID 1940 wrote to memory of 3488	1940	RdrCEF.exe	92
PID 1940 wrote to memory of 3488	1940	RdrCEF.exe	92
PID 1940 wrote to memory of 3488	1940	RdrCEF.exe	92
PID 1940 wrote to memory of 3488	1940	RdrCEF.exe	92
PID 1940 wrote to memory of 3488	1940	RdrCEF.exe	92
PID 1940 wrote to memory of 3488	1940	RdrCEF.exe	92
PID 1940 wrote to memory of 3488	1940	RdrCEF.exe	92
PID 1940 wrote to memory of 3488	1940	RdrCEF.exe	92
PID 1940 wrote to memory of 3488	1940	RdrCEF.exe	92
PID 1940 wrote to memory of 3488	1940	RdrCEF.exe	92
PID 1940 wrote to memory of 3328	1940	RdrCEF.exe	93
PID 1940 wrote to memory of 3328	1940	RdrCEF.exe	93
PID 1940 wrote to memory of 3328	1940	RdrCEF.exe	93
PID 1940 wrote to memory of 3328	1940	RdrCEF.exe	93
PID 1940 wrote to memory of 3328	1940	RdrCEF.exe	93
PID 1940 wrote to memory of 3328	1940	RdrCEF.exe	93
PID 1940 wrote to memory of 3328	1940	RdrCEF.exe	93
PID 1940 wrote to memory of 3328	1940	RdrCEF.exe	93
PID 1940 wrote to memory of 3328	1940	RdrCEF.exe	93
PID 1940 wrote to memory of 3328	1940	RdrCEF.exe	93
PID 1940 wrote to memory of 3328	1940	RdrCEF.exe	93
PID 1940 wrote to memory of 3328	1940	RdrCEF.exe	93
PID 1940 wrote to memory of 3328	1940	RdrCEF.exe	93
PID 1940 wrote to memory of 3328	1940	RdrCEF.exe	93
PID 1940 wrote to memory of 3328	1940	RdrCEF.exe	93
PID 1940 wrote to memory of 3328	1940	RdrCEF.exe	93
PID 1940 wrote to memory of 3328	1940	RdrCEF.exe	93
PID 1940 wrote to memory of 3328	1940	RdrCEF.exe	93
PID 1940 wrote to memory of 3328	1940	RdrCEF.exe	93
PID 1940 wrote to memory of 3328	1940	RdrCEF.exe	93

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\c824d0ed01601e1e14b5af08a54a0507.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:4696
- 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:1940
- - 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=562D4296D55A0E876304B40DC599FA39 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3488
- - 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=4DC149190C19C220A65E127D4D00AA08 --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=4DC149190C19C220A65E127D4D00AA08 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3328
- - 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=CCE37B370611AFBC5F01C2FBE5EB3BFB --mojo-platform-channel-handle=2180 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2792
- - 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=A4423BDD7BE35BE69A98827F9C74FB7A --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=A4423BDD7BE35BE69A98827F9C74FB7A --renderer-client-id=5 --mojo-platform-channel-handle=2196 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4048
- - 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=9727A3DE86A99C71754612E6940F4CCC --mojo-platform-channel-handle=2536 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3844
- - 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=3A8FC95862DE0CA8567899DB9FAD8CE5 --mojo-platform-channel-handle=2380 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1860

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
c8219125f76b6801efc66776483653e7

SHA1
42f93a86a99063fa74a6359d24e5b9dfd8acf333

SHA256
e12f425b826bd1a504a3987ee9b1ffadce6b087730f158af591726e5bdee7509

SHA512
b95b361061aee6b8302dec12eeb89c5fa07a41fb86d5aac5714b1ba4c71e7480c2fb4d79e8f23096efe360f8484bdcca26a2c9255109e11fda469f495ee3912d

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