f3b5ac55bb4222e05dc7ed3859b782e3a4069c2fe981df4ff721d005341914cc

Analysis

max time kernel
141s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
14-03-2023 14:29

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General

Target

F3B5AC55BB4222E05DC7ED3859B782E3A4069C2FE981DF4FF721D005341914CC.pdf
Size

123KB
MD5

3c8fb212a25d6fea21b0874d70e828b0
SHA1

df045a6c348fc162b3a458e86b99754fee3eeca4
SHA256

f3b5ac55bb4222e05dc7ed3859b782e3a4069c2fe981df4ff721d005341914cc
SHA512

bd172aa5e64cce039a7300c1c9c977c1fa50b5d4b49b32d54fe4f3ac9bb092d8b55310ef7e38e28c5f955c898e8490287fddae0536f2335175484da2c410ca7e
SSDEEP

3072:3s1FJ0Ah4nM2I3anen8MQy9d7Hh1+TA91rIyNDID4M:30FJ0AOn63anezQy/hzbZIMM

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-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
372	AcroRd32.exe
372	AcroRd32.exe
372	AcroRd32.exe
372	AcroRd32.exe
372	AcroRd32.exe
372	AcroRd32.exe
372	AcroRd32.exe
372	AcroRd32.exe
372	AcroRd32.exe
372	AcroRd32.exe
372	AcroRd32.exe
372	AcroRd32.exe
372	AcroRd32.exe
372	AcroRd32.exe
372	AcroRd32.exe
372	AcroRd32.exe
372	AcroRd32.exe
372	AcroRd32.exe
372	AcroRd32.exe
372	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
372	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
372	AcroRd32.exe
372	AcroRd32.exe
372	AcroRd32.exe
372	AcroRd32.exe
372	AcroRd32.exe
372	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 372 wrote to memory of 3268	372	AcroRd32.exe	84
PID 372 wrote to memory of 3268	372	AcroRd32.exe	84
PID 372 wrote to memory of 3268	372	AcroRd32.exe	84
PID 3268 wrote to memory of 216	3268	RdrCEF.exe	85
PID 3268 wrote to memory of 216	3268	RdrCEF.exe	85
PID 3268 wrote to memory of 216	3268	RdrCEF.exe	85
PID 3268 wrote to memory of 216	3268	RdrCEF.exe	85
PID 3268 wrote to memory of 216	3268	RdrCEF.exe	85
PID 3268 wrote to memory of 216	3268	RdrCEF.exe	85
PID 3268 wrote to memory of 216	3268	RdrCEF.exe	85
PID 3268 wrote to memory of 216	3268	RdrCEF.exe	85
PID 3268 wrote to memory of 216	3268	RdrCEF.exe	85
PID 3268 wrote to memory of 216	3268	RdrCEF.exe	85
PID 3268 wrote to memory of 216	3268	RdrCEF.exe	85
PID 3268 wrote to memory of 216	3268	RdrCEF.exe	85
PID 3268 wrote to memory of 216	3268	RdrCEF.exe	85
PID 3268 wrote to memory of 216	3268	RdrCEF.exe	85
PID 3268 wrote to memory of 216	3268	RdrCEF.exe	85
PID 3268 wrote to memory of 216	3268	RdrCEF.exe	85
PID 3268 wrote to memory of 216	3268	RdrCEF.exe	85
PID 3268 wrote to memory of 216	3268	RdrCEF.exe	85
PID 3268 wrote to memory of 216	3268	RdrCEF.exe	85
PID 3268 wrote to memory of 216	3268	RdrCEF.exe	85
PID 3268 wrote to memory of 216	3268	RdrCEF.exe	85
PID 3268 wrote to memory of 216	3268	RdrCEF.exe	85
PID 3268 wrote to memory of 216	3268	RdrCEF.exe	85
PID 3268 wrote to memory of 216	3268	RdrCEF.exe	85
PID 3268 wrote to memory of 216	3268	RdrCEF.exe	85
PID 3268 wrote to memory of 216	3268	RdrCEF.exe	85
PID 3268 wrote to memory of 216	3268	RdrCEF.exe	85
PID 3268 wrote to memory of 216	3268	RdrCEF.exe	85
PID 3268 wrote to memory of 216	3268	RdrCEF.exe	85
PID 3268 wrote to memory of 216	3268	RdrCEF.exe	85
PID 3268 wrote to memory of 216	3268	RdrCEF.exe	85
PID 3268 wrote to memory of 216	3268	RdrCEF.exe	85
PID 3268 wrote to memory of 216	3268	RdrCEF.exe	85
PID 3268 wrote to memory of 216	3268	RdrCEF.exe	85
PID 3268 wrote to memory of 216	3268	RdrCEF.exe	85
PID 3268 wrote to memory of 216	3268	RdrCEF.exe	85
PID 3268 wrote to memory of 216	3268	RdrCEF.exe	85
PID 3268 wrote to memory of 216	3268	RdrCEF.exe	85
PID 3268 wrote to memory of 216	3268	RdrCEF.exe	85
PID 3268 wrote to memory of 216	3268	RdrCEF.exe	85
PID 3268 wrote to memory of 216	3268	RdrCEF.exe	85
PID 3268 wrote to memory of 4296	3268	RdrCEF.exe	86
PID 3268 wrote to memory of 4296	3268	RdrCEF.exe	86
PID 3268 wrote to memory of 4296	3268	RdrCEF.exe	86
PID 3268 wrote to memory of 4296	3268	RdrCEF.exe	86
PID 3268 wrote to memory of 4296	3268	RdrCEF.exe	86
PID 3268 wrote to memory of 4296	3268	RdrCEF.exe	86
PID 3268 wrote to memory of 4296	3268	RdrCEF.exe	86
PID 3268 wrote to memory of 4296	3268	RdrCEF.exe	86
PID 3268 wrote to memory of 4296	3268	RdrCEF.exe	86
PID 3268 wrote to memory of 4296	3268	RdrCEF.exe	86
PID 3268 wrote to memory of 4296	3268	RdrCEF.exe	86
PID 3268 wrote to memory of 4296	3268	RdrCEF.exe	86
PID 3268 wrote to memory of 4296	3268	RdrCEF.exe	86
PID 3268 wrote to memory of 4296	3268	RdrCEF.exe	86
PID 3268 wrote to memory of 4296	3268	RdrCEF.exe	86
PID 3268 wrote to memory of 4296	3268	RdrCEF.exe	86
PID 3268 wrote to memory of 4296	3268	RdrCEF.exe	86
PID 3268 wrote to memory of 4296	3268	RdrCEF.exe	86
PID 3268 wrote to memory of 4296	3268	RdrCEF.exe	86
PID 3268 wrote to memory of 4296	3268	RdrCEF.exe	86

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\F3B5AC55BB4222E05DC7ED3859B782E3A4069C2FE981DF4FF721D005341914CC.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:372
- 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:3268
- - 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=81663C9CB5D3DA79598A74AFBD73B5F0 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:216
- - 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=1B6A890E6639AFDF567649ACC6B4E0EE --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=2 --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=1B6A890E6639AFDF567649ACC6B4E0EE --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4296
- - 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=80A9B8DC9F0A4E9ADD3AEBAE9333DAE2 --mojo-platform-channel-handle=2308 --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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=D57C307967296AFB22224AD558DD676E --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=2 --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=D57C307967296AFB22224AD558DD676E --renderer-client-id=5 --mojo-platform-channel-handle=1796 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2508
- - 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=09249521B6DF24579B08FE43EC67A747 --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2740
- - 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=ECDEE833FD21E6E39C4426B5CD1C14AD --mojo-platform-channel-handle=2372 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1564

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1924

Network

MITRE ATT&CK Enterprise v6

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

Filesize
64KB

MD5
ee4d9017307d2b6069cc1869fa2d6450

SHA1
0a923e9649186c091f72ebd4c4104313c0e40fe4

SHA256
207ae1f809e61591d4228be4095d9be6add41e874a5b0200a95a040110bfe45f

SHA512
8267c5f796276bf02d3b62d6271f1a72e7b92ec699acbd83d0a415df6d841979ef8446f23cdc8b12ef0d411d91a9728e35d342757c9c8e7e33575f21d67da2ce

Download Submit