3a08e59eae7c0fd6a93a76f69bc2c737ec2714a7ffda843ac43c27372ee99841

Analysis

max time kernel
143s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
25-12-2023 12:05

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General

Target

1ce58f7f9cd126f7ccf92fb23d17d897.pdf
Size

13KB
MD5

1ce58f7f9cd126f7ccf92fb23d17d897
SHA1

093e5f3278689c1df757399b450ea0219cb297e2
SHA256

3a08e59eae7c0fd6a93a76f69bc2c737ec2714a7ffda843ac43c27372ee99841
SHA512

f16625b0d704bbf56aa2066eff151737f4863498f3d048c441ccba1edba247550ae8aaf3f1c9255dc31c9fcd3514ae7cb88174df5447cc53277891586ab64fb0
SSDEEP

192:8QhzajYqwAO9G+/vvTs7hXbfym4GJVbBftJy/suiX3mvQNi/60un/T1HlckzY:DhzaNwAO9GiM5fdtttUQi/60G71Hmks

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4360	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe
4360	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4360 wrote to memory of 1552	4360	AcroRd32.exe	93
PID 4360 wrote to memory of 1552	4360	AcroRd32.exe	93
PID 4360 wrote to memory of 1552	4360	AcroRd32.exe	93
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 3404	1552	RdrCEF.exe	95
PID 1552 wrote to memory of 4176	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4176	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4176	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4176	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4176	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4176	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4176	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4176	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4176	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4176	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4176	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4176	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4176	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4176	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4176	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4176	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4176	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4176	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4176	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4176	1552	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\1ce58f7f9cd126f7ccf92fb23d17d897.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:4360
- 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:1552
- - 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=1B8E3CADBB8EEEFD8091EC7C1D561A02 --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=1B8E3CADBB8EEEFD8091EC7C1D561A02 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4176
- - 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=FFE1E3E66B644C98FBC6D804198EA445 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3404
- - 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=D266E9E0B0A0CD3BF6BE4BD9B7D81F2A --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3328
- - 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=4519B9B046A5CE512DF1FFD8773B7BDA --mojo-platform-channel-handle=1948 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3020
- - 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=D71A7960646EBECB7D348A154F97EC47 --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=D71A7960646EBECB7D348A154F97EC47 --renderer-client-id=6 --mojo-platform-channel-handle=1916 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2084
- - 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=4BB80450CBE843F1FEC4066D7895779B --mojo-platform-channel-handle=2532 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3988

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:776

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
d4c6b8622534e4f760c8cbd281cd4c5b

SHA1
1eb8e0a780358cd9a00feb67c391900bef4ea2f4

SHA256
65db62b6312e80542e746e8ad5246b2bac9d3a8d6cf8df1086f8bf72a6519296

SHA512
817ac9edb163e8a5af4cb1abf648b2168a1bcb6c80d72247ab61e7cbcfb0b5b44882d6ac1528562a8f8cb54e551c06a1803f4ac97e88eca0a9259b7e6e0d6a2a

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/4360-35-0x000000000A060000-0x000000000A081000-memory.dmp

Filesize
132KB

Download