b3d46ea02550d097a37ed659a7def2fa423e5cbd75fe63e43a0b1a3f5f96fb55

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
08/03/2024, 11:29

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General

Target

bb267c260219c8d056884e7b17dde21a.pdf
Size

70KB
MD5

bb267c260219c8d056884e7b17dde21a
SHA1

afc5fec7233dede9c891a0d6a5bf1e792bd6854c
SHA256

b3d46ea02550d097a37ed659a7def2fa423e5cbd75fe63e43a0b1a3f5f96fb55
SHA512

14479128cb5a050f1162e840ce92e36c85dfc1f7146f05027e5696034423eb658fc94f5e8b78a132f189e61552f2775a0b9f7cb4b818e2a1f5c2fa8abb98b6c5
SSDEEP

1536:XDM/WOUUJ6c05ikAx6kYSGJfloBRLvWFq0CRNLRbHFxz5lqb7NB4YJdPq:TM/Wc6c0o6lyzWFq0YLHFxedJJY

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-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3104	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe
3104	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3104 wrote to memory of 4716	3104	AcroRd32.exe	91
PID 3104 wrote to memory of 4716	3104	AcroRd32.exe	91
PID 3104 wrote to memory of 4716	3104	AcroRd32.exe	91
PID 4716 wrote to memory of 4752	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 4752	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 4752	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 4752	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 4752	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 4752	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 4752	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 4752	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 4752	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 4752	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 4752	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 4752	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 4752	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 4752	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 4752	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 4752	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 4752	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 4752	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 4752	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 4752	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 4752	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 4752	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 4752	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 4752	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 4752	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 4752	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 4752	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 4752	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 4752	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 4752	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 4752	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 4752	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 4752	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 4752	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 4752	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 4752	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 4752	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 4752	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 4752	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 4752	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 4752	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 5044	4716	RdrCEF.exe	93
PID 4716 wrote to memory of 5044	4716	RdrCEF.exe	93
PID 4716 wrote to memory of 5044	4716	RdrCEF.exe	93
PID 4716 wrote to memory of 5044	4716	RdrCEF.exe	93
PID 4716 wrote to memory of 5044	4716	RdrCEF.exe	93
PID 4716 wrote to memory of 5044	4716	RdrCEF.exe	93
PID 4716 wrote to memory of 5044	4716	RdrCEF.exe	93
PID 4716 wrote to memory of 5044	4716	RdrCEF.exe	93
PID 4716 wrote to memory of 5044	4716	RdrCEF.exe	93
PID 4716 wrote to memory of 5044	4716	RdrCEF.exe	93
PID 4716 wrote to memory of 5044	4716	RdrCEF.exe	93
PID 4716 wrote to memory of 5044	4716	RdrCEF.exe	93
PID 4716 wrote to memory of 5044	4716	RdrCEF.exe	93
PID 4716 wrote to memory of 5044	4716	RdrCEF.exe	93
PID 4716 wrote to memory of 5044	4716	RdrCEF.exe	93
PID 4716 wrote to memory of 5044	4716	RdrCEF.exe	93
PID 4716 wrote to memory of 5044	4716	RdrCEF.exe	93
PID 4716 wrote to memory of 5044	4716	RdrCEF.exe	93
PID 4716 wrote to memory of 5044	4716	RdrCEF.exe	93
PID 4716 wrote to memory of 5044	4716	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\bb267c260219c8d056884e7b17dde21a.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:3104
- 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:4716
- - 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=F3FF767835DF42A72280A18707C61F0E --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4752
- - 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=7D89BC37D371436F4C4365219A63F403 --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=7D89BC37D371436F4C4365219A63F403 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5044
- - 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=CE1E3C82E80B223FAB50045C51D3630B --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4824
- - 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=C54EE37ABED2E7781C632C6F3CA25567 --mojo-platform-channel-handle=1996 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4128
- - 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=7579FBF95A432094C6C354110BA9295D --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=7579FBF95A432094C6C354110BA9295D --renderer-client-id=6 --mojo-platform-channel-handle=2004 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2116
- - 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=90A7DB83C3886471AC44DC0315F9BAE5 --mojo-platform-channel-handle=2500 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:32

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4500

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
3795b43ca4314115484e21cf6daeac93

SHA1
bc9788df1511e8617b592241105dfa235f476416

SHA256
a36f46281d5d23d78be425c3c536887d8fe2db6fecd83e34e8789193896b1ef3

SHA512
dc5d00c8123d3f32839ea53bf44aacdd4f8243dbe943a08c54e7c02e60d1772e425c3abe0dce09c97c1117286eb206622f9981890454cb770cb083e98c610dcb

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/3104-25-0x000000000A900000-0x000000000A950000-memory.dmp

Filesize
320KB

Download
memory/3104-28-0x000000000A900000-0x000000000A921000-memory.dmp

Filesize
132KB

Download