3464a5101b49e69ab6333960fb1be3798e172e7f8c4560fbc3eeea30ce3d3bcc

Analysis

max time kernel
150s
max time network
165s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26-12-2023 17:05

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General

Target

7ef7af7f2c2a1a081c684b09dbd2a780.pdf
Size

60KB
MD5

7ef7af7f2c2a1a081c684b09dbd2a780
SHA1

b5d1ae1666ff66401f98cffbe921f89f426272ed
SHA256

3464a5101b49e69ab6333960fb1be3798e172e7f8c4560fbc3eeea30ce3d3bcc
SHA512

92b367cf6029a6d854c4fe26ca3b579cf8740aafced05bb559ffe3f149ac09774d182bb458e86c113fc56b5710383cd3985bac425d9232d912e39648f1d8c6bd
SSDEEP

1536:ykUFand70lGGDwk1D4Z/HUdRW8SNI7YIMHjLRxbXS:pLndEM246dHSNIdMHjDbXS

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-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2780	AcroRd32.exe
2780	AcroRd32.exe
2780	AcroRd32.exe
2780	AcroRd32.exe
2780	AcroRd32.exe
2780	AcroRd32.exe
2780	AcroRd32.exe
2780	AcroRd32.exe
2780	AcroRd32.exe
2780	AcroRd32.exe
2780	AcroRd32.exe
2780	AcroRd32.exe
2780	AcroRd32.exe
2780	AcroRd32.exe
2780	AcroRd32.exe
2780	AcroRd32.exe
2780	AcroRd32.exe
2780	AcroRd32.exe
2780	AcroRd32.exe
2780	AcroRd32.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
2780	AcroRd32.exe
2780	AcroRd32.exe
2780	AcroRd32.exe
2780	AcroRd32.exe
2780	AcroRd32.exe
2780	AcroRd32.exe
2780	AcroRd32.exe
2780	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2780 wrote to memory of 4764	2780	AcroRd32.exe	102
PID 2780 wrote to memory of 4764	2780	AcroRd32.exe	102
PID 2780 wrote to memory of 4764	2780	AcroRd32.exe	102
PID 2780 wrote to memory of 4656	2780	AcroRd32.exe	103
PID 2780 wrote to memory of 4656	2780	AcroRd32.exe	103
PID 2780 wrote to memory of 4656	2780	AcroRd32.exe	103
PID 4764 wrote to memory of 2744	4764	RdrCEF.exe	104
PID 4764 wrote to memory of 2744	4764	RdrCEF.exe	104
PID 4764 wrote to memory of 2744	4764	RdrCEF.exe	104
PID 4764 wrote to memory of 2744	4764	RdrCEF.exe	104
PID 4764 wrote to memory of 2744	4764	RdrCEF.exe	104
PID 4764 wrote to memory of 2744	4764	RdrCEF.exe	104
PID 4764 wrote to memory of 2744	4764	RdrCEF.exe	104
PID 4764 wrote to memory of 2744	4764	RdrCEF.exe	104
PID 4764 wrote to memory of 2744	4764	RdrCEF.exe	104
PID 4764 wrote to memory of 2744	4764	RdrCEF.exe	104
PID 4764 wrote to memory of 2744	4764	RdrCEF.exe	104
PID 4764 wrote to memory of 2744	4764	RdrCEF.exe	104
PID 4764 wrote to memory of 2744	4764	RdrCEF.exe	104
PID 4764 wrote to memory of 2744	4764	RdrCEF.exe	104
PID 4764 wrote to memory of 2744	4764	RdrCEF.exe	104
PID 4764 wrote to memory of 2744	4764	RdrCEF.exe	104
PID 4764 wrote to memory of 2744	4764	RdrCEF.exe	104
PID 4764 wrote to memory of 2744	4764	RdrCEF.exe	104
PID 4764 wrote to memory of 2744	4764	RdrCEF.exe	104
PID 4764 wrote to memory of 2744	4764	RdrCEF.exe	104
PID 4764 wrote to memory of 2744	4764	RdrCEF.exe	104
PID 4764 wrote to memory of 2744	4764	RdrCEF.exe	104
PID 4764 wrote to memory of 2744	4764	RdrCEF.exe	104
PID 4764 wrote to memory of 2744	4764	RdrCEF.exe	104
PID 4764 wrote to memory of 2744	4764	RdrCEF.exe	104
PID 4764 wrote to memory of 2744	4764	RdrCEF.exe	104
PID 4764 wrote to memory of 2744	4764	RdrCEF.exe	104
PID 4764 wrote to memory of 2744	4764	RdrCEF.exe	104
PID 4764 wrote to memory of 2744	4764	RdrCEF.exe	104
PID 4764 wrote to memory of 2744	4764	RdrCEF.exe	104
PID 4764 wrote to memory of 2744	4764	RdrCEF.exe	104
PID 4764 wrote to memory of 2744	4764	RdrCEF.exe	104
PID 4764 wrote to memory of 2744	4764	RdrCEF.exe	104
PID 4764 wrote to memory of 2744	4764	RdrCEF.exe	104
PID 4764 wrote to memory of 2744	4764	RdrCEF.exe	104
PID 4764 wrote to memory of 2744	4764	RdrCEF.exe	104
PID 4764 wrote to memory of 2744	4764	RdrCEF.exe	104
PID 4764 wrote to memory of 2744	4764	RdrCEF.exe	104
PID 4764 wrote to memory of 2744	4764	RdrCEF.exe	104
PID 4764 wrote to memory of 2744	4764	RdrCEF.exe	104
PID 4764 wrote to memory of 2744	4764	RdrCEF.exe	104
PID 4764 wrote to memory of 464	4764	RdrCEF.exe	105
PID 4764 wrote to memory of 464	4764	RdrCEF.exe	105
PID 4764 wrote to memory of 464	4764	RdrCEF.exe	105
PID 4764 wrote to memory of 464	4764	RdrCEF.exe	105
PID 4764 wrote to memory of 464	4764	RdrCEF.exe	105
PID 4764 wrote to memory of 464	4764	RdrCEF.exe	105
PID 4764 wrote to memory of 464	4764	RdrCEF.exe	105
PID 4764 wrote to memory of 464	4764	RdrCEF.exe	105
PID 4764 wrote to memory of 464	4764	RdrCEF.exe	105
PID 4764 wrote to memory of 464	4764	RdrCEF.exe	105
PID 4764 wrote to memory of 464	4764	RdrCEF.exe	105
PID 4764 wrote to memory of 464	4764	RdrCEF.exe	105
PID 4764 wrote to memory of 464	4764	RdrCEF.exe	105
PID 4764 wrote to memory of 464	4764	RdrCEF.exe	105
PID 4764 wrote to memory of 464	4764	RdrCEF.exe	105
PID 4764 wrote to memory of 464	4764	RdrCEF.exe	105
PID 4764 wrote to memory of 464	4764	RdrCEF.exe	105

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\7ef7af7f2c2a1a081c684b09dbd2a780.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2780
- 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:4764
- - 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=FA0F25D5B32A7CFBD7DDC925E1D56D56 --mojo-platform-channel-handle=1712 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2744
- - 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=629129FED861E44D1B2F55CCE85711F9 --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=629129FED861E44D1B2F55CCE85711F9 --renderer-client-id=2 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:464
- - 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=F41082575C941666BEF5CA51045A17AA --mojo-platform-channel-handle=2268 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3356
- - 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=6B8E2DF2DCE5E8659435FDE100162C1C --mojo-platform-channel-handle=1828 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1512
- - 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=A08DBBB31080F5D451F128EE47D78148 --mojo-platform-channel-handle=1716 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2700
- - 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=627029BE0EED296F732C7F3FD7C970A1 --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=627029BE0EED296F732C7F3FD7C970A1 --renderer-client-id=8 --mojo-platform-channel-handle=1924 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:896
- 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:4656

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

Loading Replay Monitor...

Downloads

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

Filesize
64KB

MD5
080c5582d9f857fa7160905403e0fd2a

SHA1
82247c58682b006d798c96bce4693264c717cd78

SHA256
40cede9ffbb7800192a3b1dcb27f96a46ab92d55a839b5ecf8d1458251f831d6

SHA512
6837b42709040faaa869dba10c776811fb006e3aac03326e15c43afc72b3a1487d3128838ee570d593883d58f01574bc3cdf45129d547b8b0046de9b888b4c95

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/2780-148-0x000000000AE00000-0x000000000AF4D000-memory.dmp

Filesize
1.3MB

Download
memory/2780-154-0x000000000AE00000-0x000000000AF4D000-memory.dmp

Filesize
1.3MB

Download