2242c0610ced4e7fb5bf74e14f144e238ec62c2a4f1095efd1f57e238437632d

Analysis

max time kernel
140s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
23/02/2024, 23:04

Sharing

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General

Target

a0923603814604259a70c82470787437.pdf
Size

68KB
MD5

a0923603814604259a70c82470787437
SHA1

328b3c1da93f7a8841b3f0e6ac40fa7b70c7b0cd
SHA256

2242c0610ced4e7fb5bf74e14f144e238ec62c2a4f1095efd1f57e238437632d
SHA512

f4bb2fd5fc4cf2b43d843a5d55119ed9218b529a5f94de20727509d8f5c296000803d0ca7623e6b209088dcc74e59daa5f17ca66b5b8052a607be26ab564c80c
SSDEEP

1536:L6S8EGpEKOMb3ze6ABeHCdHi2m1eKjthP4KLmRdFL:2tE+j66keHGp2hw4mRz

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-1-5-21-910440534-423636034-2318342392-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1536	AcroRd32.exe
1536	AcroRd32.exe
1536	AcroRd32.exe
1536	AcroRd32.exe
1536	AcroRd32.exe
1536	AcroRd32.exe
1536	AcroRd32.exe
1536	AcroRd32.exe
1536	AcroRd32.exe
1536	AcroRd32.exe
1536	AcroRd32.exe
1536	AcroRd32.exe
1536	AcroRd32.exe
1536	AcroRd32.exe
1536	AcroRd32.exe
1536	AcroRd32.exe
1536	AcroRd32.exe
1536	AcroRd32.exe
1536	AcroRd32.exe
1536	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1536	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1536	AcroRd32.exe
1536	AcroRd32.exe
1536	AcroRd32.exe
1536	AcroRd32.exe
1536	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1536 wrote to memory of 804	1536	AcroRd32.exe	87
PID 1536 wrote to memory of 804	1536	AcroRd32.exe	87
PID 1536 wrote to memory of 804	1536	AcroRd32.exe	87
PID 804 wrote to memory of 2724	804	RdrCEF.exe	88
PID 804 wrote to memory of 2724	804	RdrCEF.exe	88
PID 804 wrote to memory of 2724	804	RdrCEF.exe	88
PID 804 wrote to memory of 2724	804	RdrCEF.exe	88
PID 804 wrote to memory of 2724	804	RdrCEF.exe	88
PID 804 wrote to memory of 2724	804	RdrCEF.exe	88
PID 804 wrote to memory of 2724	804	RdrCEF.exe	88
PID 804 wrote to memory of 2724	804	RdrCEF.exe	88
PID 804 wrote to memory of 2724	804	RdrCEF.exe	88
PID 804 wrote to memory of 2724	804	RdrCEF.exe	88
PID 804 wrote to memory of 2724	804	RdrCEF.exe	88
PID 804 wrote to memory of 2724	804	RdrCEF.exe	88
PID 804 wrote to memory of 2724	804	RdrCEF.exe	88
PID 804 wrote to memory of 2724	804	RdrCEF.exe	88
PID 804 wrote to memory of 2724	804	RdrCEF.exe	88
PID 804 wrote to memory of 2724	804	RdrCEF.exe	88
PID 804 wrote to memory of 2724	804	RdrCEF.exe	88
PID 804 wrote to memory of 2724	804	RdrCEF.exe	88
PID 804 wrote to memory of 2724	804	RdrCEF.exe	88
PID 804 wrote to memory of 2724	804	RdrCEF.exe	88
PID 804 wrote to memory of 2724	804	RdrCEF.exe	88
PID 804 wrote to memory of 2724	804	RdrCEF.exe	88
PID 804 wrote to memory of 2724	804	RdrCEF.exe	88
PID 804 wrote to memory of 2724	804	RdrCEF.exe	88
PID 804 wrote to memory of 2724	804	RdrCEF.exe	88
PID 804 wrote to memory of 2724	804	RdrCEF.exe	88
PID 804 wrote to memory of 2724	804	RdrCEF.exe	88
PID 804 wrote to memory of 2724	804	RdrCEF.exe	88
PID 804 wrote to memory of 2724	804	RdrCEF.exe	88
PID 804 wrote to memory of 2724	804	RdrCEF.exe	88
PID 804 wrote to memory of 2724	804	RdrCEF.exe	88
PID 804 wrote to memory of 2724	804	RdrCEF.exe	88
PID 804 wrote to memory of 2724	804	RdrCEF.exe	88
PID 804 wrote to memory of 2724	804	RdrCEF.exe	88
PID 804 wrote to memory of 2724	804	RdrCEF.exe	88
PID 804 wrote to memory of 2724	804	RdrCEF.exe	88
PID 804 wrote to memory of 2724	804	RdrCEF.exe	88
PID 804 wrote to memory of 2724	804	RdrCEF.exe	88
PID 804 wrote to memory of 2724	804	RdrCEF.exe	88
PID 804 wrote to memory of 2724	804	RdrCEF.exe	88
PID 804 wrote to memory of 2724	804	RdrCEF.exe	88
PID 804 wrote to memory of 4556	804	RdrCEF.exe	89
PID 804 wrote to memory of 4556	804	RdrCEF.exe	89
PID 804 wrote to memory of 4556	804	RdrCEF.exe	89
PID 804 wrote to memory of 4556	804	RdrCEF.exe	89
PID 804 wrote to memory of 4556	804	RdrCEF.exe	89
PID 804 wrote to memory of 4556	804	RdrCEF.exe	89
PID 804 wrote to memory of 4556	804	RdrCEF.exe	89
PID 804 wrote to memory of 4556	804	RdrCEF.exe	89
PID 804 wrote to memory of 4556	804	RdrCEF.exe	89
PID 804 wrote to memory of 4556	804	RdrCEF.exe	89
PID 804 wrote to memory of 4556	804	RdrCEF.exe	89
PID 804 wrote to memory of 4556	804	RdrCEF.exe	89
PID 804 wrote to memory of 4556	804	RdrCEF.exe	89
PID 804 wrote to memory of 4556	804	RdrCEF.exe	89
PID 804 wrote to memory of 4556	804	RdrCEF.exe	89
PID 804 wrote to memory of 4556	804	RdrCEF.exe	89
PID 804 wrote to memory of 4556	804	RdrCEF.exe	89
PID 804 wrote to memory of 4556	804	RdrCEF.exe	89
PID 804 wrote to memory of 4556	804	RdrCEF.exe	89
PID 804 wrote to memory of 4556	804	RdrCEF.exe	89

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\a0923603814604259a70c82470787437.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:1536
- 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:804
- - 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=C25585E694EB37FCAA19BE8E0704F626 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2724
- - 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=4BCE6D7F9860060B0C0DFD497A43FD0C --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=4BCE6D7F9860060B0C0DFD497A43FD0C --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4556
- - 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=C4E43F1EA940CB28558C405213CAC543 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1088
- - 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=2D25676800931DA6BB9EA3C4F485DF48 --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=2D25676800931DA6BB9EA3C4F485DF48 --renderer-client-id=5 --mojo-platform-channel-handle=2184 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:232
- - 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=1EA487CCD6ACB96EB027F602573BE083 --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4328
- - 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=B51127FCB0C4350A76922EEBA79C9CED --mojo-platform-channel-handle=1944 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1608

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
2910e153c4c8b3819232040c73d820a5

SHA1
e3c896b86fad178748a5ff48b1daf19148d148e2

SHA256
319639a5a7974227bb34701eba95c72d22bd497f02ebc0256cf5738b7016e722

SHA512
7eba43bb44bde3c9447656e599ae7f86fbe88f78ab0bd2cc8225912e5e3dcb68d58165d8fa4389e245ed5dc159c7d7e95eb7506ff495a34c01fcf0b23e3069ac

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/1536-27-0x000000000A3C0000-0x000000000A3E1000-memory.dmp

Filesize
132KB

Download