21451508e5669d776ac922c25e6289f0444e07aee54ee9f351d1cc46e0a31ccd

Analysis

max time kernel
148s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
25/02/2024, 13:15

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General

Target

a3e05f3edfd1bc7e305f5af26dd49c90.pdf
Size

69KB
MD5

a3e05f3edfd1bc7e305f5af26dd49c90
SHA1

3345242f7849cd414c4fe3cd396956dbfd63730d
SHA256

21451508e5669d776ac922c25e6289f0444e07aee54ee9f351d1cc46e0a31ccd
SHA512

7caf5e4606ffdabe1423b8e215017ee4945f40d211edf550f4ac7babe2ac4abca902f4d65e9ed0d7f4b5d5531096eddb5269d42b9da038ab67681c517661a30d
SSDEEP

1536:RLWMwW/P1dDRfZk/5EQ0uFLxx4qUm+71yWeWIMusF3nUZoryZ27:VdXntyh9TxdKfF3UZUyZe

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-1-5-21-1790404759-2178872477-2616469472-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
792	AcroRd32.exe
792	AcroRd32.exe
792	AcroRd32.exe
792	AcroRd32.exe
792	AcroRd32.exe
792	AcroRd32.exe
792	AcroRd32.exe
792	AcroRd32.exe
792	AcroRd32.exe
792	AcroRd32.exe
792	AcroRd32.exe
792	AcroRd32.exe
792	AcroRd32.exe
792	AcroRd32.exe
792	AcroRd32.exe
792	AcroRd32.exe
792	AcroRd32.exe
792	AcroRd32.exe
792	AcroRd32.exe
792	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
792	AcroRd32.exe
792	AcroRd32.exe
792	AcroRd32.exe
792	AcroRd32.exe
792	AcroRd32.exe
792	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 792 wrote to memory of 4704	792	AcroRd32.exe	92
PID 792 wrote to memory of 4704	792	AcroRd32.exe	92
PID 792 wrote to memory of 4704	792	AcroRd32.exe	92
PID 4704 wrote to memory of 1380	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 1380	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 1380	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 1380	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 1380	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 1380	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 1380	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 1380	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 1380	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 1380	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 1380	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 1380	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 1380	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 1380	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 1380	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 1380	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 1380	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 1380	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 1380	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 1380	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 1380	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 1380	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 1380	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 1380	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 1380	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 1380	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 1380	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 1380	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 1380	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 1380	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 1380	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 1380	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 1380	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 1380	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 1380	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 1380	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 1380	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 1380	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 1380	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 1380	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 1380	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 4568	4704	RdrCEF.exe	94
PID 4704 wrote to memory of 4568	4704	RdrCEF.exe	94
PID 4704 wrote to memory of 4568	4704	RdrCEF.exe	94
PID 4704 wrote to memory of 4568	4704	RdrCEF.exe	94
PID 4704 wrote to memory of 4568	4704	RdrCEF.exe	94
PID 4704 wrote to memory of 4568	4704	RdrCEF.exe	94
PID 4704 wrote to memory of 4568	4704	RdrCEF.exe	94
PID 4704 wrote to memory of 4568	4704	RdrCEF.exe	94
PID 4704 wrote to memory of 4568	4704	RdrCEF.exe	94
PID 4704 wrote to memory of 4568	4704	RdrCEF.exe	94
PID 4704 wrote to memory of 4568	4704	RdrCEF.exe	94
PID 4704 wrote to memory of 4568	4704	RdrCEF.exe	94
PID 4704 wrote to memory of 4568	4704	RdrCEF.exe	94
PID 4704 wrote to memory of 4568	4704	RdrCEF.exe	94
PID 4704 wrote to memory of 4568	4704	RdrCEF.exe	94
PID 4704 wrote to memory of 4568	4704	RdrCEF.exe	94
PID 4704 wrote to memory of 4568	4704	RdrCEF.exe	94
PID 4704 wrote to memory of 4568	4704	RdrCEF.exe	94
PID 4704 wrote to memory of 4568	4704	RdrCEF.exe	94
PID 4704 wrote to memory of 4568	4704	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\a3e05f3edfd1bc7e305f5af26dd49c90.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:792
- 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:4704
- - 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=21F266FE1D4EC6D6F1719F862295BD90 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1380
- - 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=1165C2BB1380D78462E1E4D09542D073 --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=1165C2BB1380D78462E1E4D09542D073 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4568
- - 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=14663C316943CD4FCEAA1E879443A558 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3848
- - 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=6094BF7379FEF4A22FE21FE0D1249F22 --mojo-platform-channel-handle=2420 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1484
- - 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=3CE52FA9FBFC8CC1D05806E6045D0EBD --mojo-platform-channel-handle=2388 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1744

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3632

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
ca5a1af2f908b2436a69b31f72df4bdf

SHA1
7a20ec04ab798ff5fb391d398d189afd0ee970bb

SHA256
f6bae7d9bb58d961f7ec5fb9d781f3e732d31ac3c3f9c8c2d41c82b5757bad5a

SHA512
685c9b2d48b46c8a05a0d0a59e59719c5f7ae2bb528a3a4efdb3e798306f52b9efa0e1e9ec0fd55f07c6b7c2413f0b22eb05ea9d1792e4fc4446c877ba79938e

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