1896af277ce8a0d8881f6aa2e57b5ac8daca8a14f32bfe0a5691148917e90dfb

Analysis

max time kernel
141s
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
04/01/2024, 16:11

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General

Target

4151818498393088c68b759bcf6b3eef.pdf
Size

33KB
MD5

4151818498393088c68b759bcf6b3eef
SHA1

aee24766e99af348dcf477d4e51a32102d4e04b8
SHA256

1896af277ce8a0d8881f6aa2e57b5ac8daca8a14f32bfe0a5691148917e90dfb
SHA512

931d72a49d0385bfec70e49ad5837c1398c7ea47b0369f88e2364f9be42d1176846300e951a1b64b9f343b6e3fda174737764d84c5f968a50a4bc698425992d1
SSDEEP

768:avpxfPdLvfL2pl/xfadqy/EyjF8Y6dHNJiKOTQ7c6:eJdX2f6cyj2Y69NqTQ7c6

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4316	AcroRd32.exe
4316	AcroRd32.exe
4316	AcroRd32.exe
4316	AcroRd32.exe
4316	AcroRd32.exe
4316	AcroRd32.exe
4316	AcroRd32.exe
4316	AcroRd32.exe
4316	AcroRd32.exe
4316	AcroRd32.exe
4316	AcroRd32.exe
4316	AcroRd32.exe
4316	AcroRd32.exe
4316	AcroRd32.exe
4316	AcroRd32.exe
4316	AcroRd32.exe
4316	AcroRd32.exe
4316	AcroRd32.exe
4316	AcroRd32.exe
4316	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4316	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4316	AcroRd32.exe
4316	AcroRd32.exe
4316	AcroRd32.exe
4316	AcroRd32.exe
4316	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4316 wrote to memory of 3552	4316	AcroRd32.exe	92
PID 4316 wrote to memory of 3552	4316	AcroRd32.exe	92
PID 4316 wrote to memory of 3552	4316	AcroRd32.exe	92
PID 3552 wrote to memory of 3252	3552	RdrCEF.exe	93
PID 3552 wrote to memory of 3252	3552	RdrCEF.exe	93
PID 3552 wrote to memory of 3252	3552	RdrCEF.exe	93
PID 3552 wrote to memory of 3252	3552	RdrCEF.exe	93
PID 3552 wrote to memory of 3252	3552	RdrCEF.exe	93
PID 3552 wrote to memory of 3252	3552	RdrCEF.exe	93
PID 3552 wrote to memory of 3252	3552	RdrCEF.exe	93
PID 3552 wrote to memory of 3252	3552	RdrCEF.exe	93
PID 3552 wrote to memory of 3252	3552	RdrCEF.exe	93
PID 3552 wrote to memory of 3252	3552	RdrCEF.exe	93
PID 3552 wrote to memory of 3252	3552	RdrCEF.exe	93
PID 3552 wrote to memory of 3252	3552	RdrCEF.exe	93
PID 3552 wrote to memory of 3252	3552	RdrCEF.exe	93
PID 3552 wrote to memory of 3252	3552	RdrCEF.exe	93
PID 3552 wrote to memory of 3252	3552	RdrCEF.exe	93
PID 3552 wrote to memory of 3252	3552	RdrCEF.exe	93
PID 3552 wrote to memory of 3252	3552	RdrCEF.exe	93
PID 3552 wrote to memory of 3252	3552	RdrCEF.exe	93
PID 3552 wrote to memory of 3252	3552	RdrCEF.exe	93
PID 3552 wrote to memory of 3252	3552	RdrCEF.exe	93
PID 3552 wrote to memory of 3252	3552	RdrCEF.exe	93
PID 3552 wrote to memory of 3252	3552	RdrCEF.exe	93
PID 3552 wrote to memory of 3252	3552	RdrCEF.exe	93
PID 3552 wrote to memory of 3252	3552	RdrCEF.exe	93
PID 3552 wrote to memory of 3252	3552	RdrCEF.exe	93
PID 3552 wrote to memory of 3252	3552	RdrCEF.exe	93
PID 3552 wrote to memory of 3252	3552	RdrCEF.exe	93
PID 3552 wrote to memory of 3252	3552	RdrCEF.exe	93
PID 3552 wrote to memory of 3252	3552	RdrCEF.exe	93
PID 3552 wrote to memory of 3252	3552	RdrCEF.exe	93
PID 3552 wrote to memory of 3252	3552	RdrCEF.exe	93
PID 3552 wrote to memory of 3252	3552	RdrCEF.exe	93
PID 3552 wrote to memory of 3252	3552	RdrCEF.exe	93
PID 3552 wrote to memory of 3252	3552	RdrCEF.exe	93
PID 3552 wrote to memory of 3252	3552	RdrCEF.exe	93
PID 3552 wrote to memory of 3252	3552	RdrCEF.exe	93
PID 3552 wrote to memory of 3252	3552	RdrCEF.exe	93
PID 3552 wrote to memory of 3252	3552	RdrCEF.exe	93
PID 3552 wrote to memory of 3252	3552	RdrCEF.exe	93
PID 3552 wrote to memory of 3252	3552	RdrCEF.exe	93
PID 3552 wrote to memory of 3252	3552	RdrCEF.exe	93
PID 3552 wrote to memory of 4900	3552	RdrCEF.exe	94
PID 3552 wrote to memory of 4900	3552	RdrCEF.exe	94
PID 3552 wrote to memory of 4900	3552	RdrCEF.exe	94
PID 3552 wrote to memory of 4900	3552	RdrCEF.exe	94
PID 3552 wrote to memory of 4900	3552	RdrCEF.exe	94
PID 3552 wrote to memory of 4900	3552	RdrCEF.exe	94
PID 3552 wrote to memory of 4900	3552	RdrCEF.exe	94
PID 3552 wrote to memory of 4900	3552	RdrCEF.exe	94
PID 3552 wrote to memory of 4900	3552	RdrCEF.exe	94
PID 3552 wrote to memory of 4900	3552	RdrCEF.exe	94
PID 3552 wrote to memory of 4900	3552	RdrCEF.exe	94
PID 3552 wrote to memory of 4900	3552	RdrCEF.exe	94
PID 3552 wrote to memory of 4900	3552	RdrCEF.exe	94
PID 3552 wrote to memory of 4900	3552	RdrCEF.exe	94
PID 3552 wrote to memory of 4900	3552	RdrCEF.exe	94
PID 3552 wrote to memory of 4900	3552	RdrCEF.exe	94
PID 3552 wrote to memory of 4900	3552	RdrCEF.exe	94
PID 3552 wrote to memory of 4900	3552	RdrCEF.exe	94
PID 3552 wrote to memory of 4900	3552	RdrCEF.exe	94
PID 3552 wrote to memory of 4900	3552	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\4151818498393088c68b759bcf6b3eef.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:4316
- 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:3552
- - 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=16F706EE0DA39D61E8A619E248729BF4 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3252
- - 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=BBEFC0412C5A4F63B3D760E4714CA7DF --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=BBEFC0412C5A4F63B3D760E4714CA7DF --renderer-client-id=2 --mojo-platform-channel-handle=1716 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4900
- - 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=521C99DC280E46551DDC9255EC535878 --mojo-platform-channel-handle=2292 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2820
- - 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=56776D6DC270029063D1E604B6D64774 --mojo-platform-channel-handle=2416 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1324
- - 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=322611B4865D7F3AFD1D97D002B81207 --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=322611B4865D7F3AFD1D97D002B81207 --renderer-client-id=6 --mojo-platform-channel-handle=1988 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3716
- - 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=7A8254613FC532F97EBEE798A8EE3297 --mojo-platform-channel-handle=2708 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1012

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
7181e2224f4bca07fdbef84afcd1cdeb

SHA1
15d0037e2af9c2951daf9f65a7561c1303fa42df

SHA256
96527c2779361d4c61d6e99877bfbcec069249a9883fd29e19762000a2ec77b7

SHA512
fc5cb05b29f6b71660d6c40670edc9bce11099e19c666f38773647f2fc0c21545cbfa247d14120b69fe98ae3cfae1696033cd578b8fd462fe9b7aec5e0aad2f4

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/4316-26-0x000000000A260000-0x000000000A2B0000-memory.dmp

Filesize
320KB

Download