dfa2c76389bca9c252f55cc734bee1563f890911b6153320f6e3312328755b08

Analysis

max time kernel
141s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
04/10/2023, 06:05

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General

Target

PR10559_SR_EN.pdf
Size

844KB
MD5

bdf588e5f7d5e15a95bff47718245b3c
SHA1

20e9205104ca6f7623d361c3ed5c50715bc3ea51
SHA256

126f0dc2ff08b82a42b20cf3640d4419bd5597ad52e32a5a311fa9894227c8dc
SHA512

ed934ed7bdbe1228451154e6c3169128cf5faf06e3e16183db13743cc83a21134f6f606165fc72461109d22b47bf405560744af8b2ff8299814a899aef698db2
SSDEEP

12288:5kU9Z+of2wFEdmS25PqxcN1864JmwPfL7daUJfBmIvuYQVVHRNInV:5kU9zFEsS21qxW6+Wj7AMfBJmYO1GV

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-1-5-21-919254492-3979293997-764407192-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4656	AcroRd32.exe
4656	AcroRd32.exe
4656	AcroRd32.exe
4656	AcroRd32.exe
4656	AcroRd32.exe
4656	AcroRd32.exe
4656	AcroRd32.exe
4656	AcroRd32.exe
4656	AcroRd32.exe
4656	AcroRd32.exe
4656	AcroRd32.exe
4656	AcroRd32.exe
4656	AcroRd32.exe
4656	AcroRd32.exe
4656	AcroRd32.exe
4656	AcroRd32.exe
4656	AcroRd32.exe
4656	AcroRd32.exe
4656	AcroRd32.exe
4656	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4656	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4656	AcroRd32.exe
4656	AcroRd32.exe
4656	AcroRd32.exe
4656	AcroRd32.exe
4656	AcroRd32.exe
4656	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4656 wrote to memory of 2628	4656	AcroRd32.exe	88
PID 4656 wrote to memory of 2628	4656	AcroRd32.exe	88
PID 4656 wrote to memory of 2628	4656	AcroRd32.exe	88
PID 2628 wrote to memory of 4576	2628	RdrCEF.exe	89
PID 2628 wrote to memory of 4576	2628	RdrCEF.exe	89
PID 2628 wrote to memory of 4576	2628	RdrCEF.exe	89
PID 2628 wrote to memory of 4576	2628	RdrCEF.exe	89
PID 2628 wrote to memory of 4576	2628	RdrCEF.exe	89
PID 2628 wrote to memory of 4576	2628	RdrCEF.exe	89
PID 2628 wrote to memory of 4576	2628	RdrCEF.exe	89
PID 2628 wrote to memory of 4576	2628	RdrCEF.exe	89
PID 2628 wrote to memory of 4576	2628	RdrCEF.exe	89
PID 2628 wrote to memory of 4576	2628	RdrCEF.exe	89
PID 2628 wrote to memory of 4576	2628	RdrCEF.exe	89
PID 2628 wrote to memory of 4576	2628	RdrCEF.exe	89
PID 2628 wrote to memory of 4576	2628	RdrCEF.exe	89
PID 2628 wrote to memory of 4576	2628	RdrCEF.exe	89
PID 2628 wrote to memory of 4576	2628	RdrCEF.exe	89
PID 2628 wrote to memory of 4576	2628	RdrCEF.exe	89
PID 2628 wrote to memory of 4576	2628	RdrCEF.exe	89
PID 2628 wrote to memory of 4576	2628	RdrCEF.exe	89
PID 2628 wrote to memory of 4576	2628	RdrCEF.exe	89
PID 2628 wrote to memory of 4576	2628	RdrCEF.exe	89
PID 2628 wrote to memory of 4576	2628	RdrCEF.exe	89
PID 2628 wrote to memory of 4576	2628	RdrCEF.exe	89
PID 2628 wrote to memory of 4576	2628	RdrCEF.exe	89
PID 2628 wrote to memory of 4576	2628	RdrCEF.exe	89
PID 2628 wrote to memory of 4576	2628	RdrCEF.exe	89
PID 2628 wrote to memory of 4576	2628	RdrCEF.exe	89
PID 2628 wrote to memory of 4576	2628	RdrCEF.exe	89
PID 2628 wrote to memory of 4576	2628	RdrCEF.exe	89
PID 2628 wrote to memory of 4576	2628	RdrCEF.exe	89
PID 2628 wrote to memory of 4576	2628	RdrCEF.exe	89
PID 2628 wrote to memory of 4576	2628	RdrCEF.exe	89
PID 2628 wrote to memory of 4576	2628	RdrCEF.exe	89
PID 2628 wrote to memory of 4576	2628	RdrCEF.exe	89
PID 2628 wrote to memory of 4576	2628	RdrCEF.exe	89
PID 2628 wrote to memory of 4576	2628	RdrCEF.exe	89
PID 2628 wrote to memory of 4576	2628	RdrCEF.exe	89
PID 2628 wrote to memory of 4576	2628	RdrCEF.exe	89
PID 2628 wrote to memory of 4576	2628	RdrCEF.exe	89
PID 2628 wrote to memory of 4576	2628	RdrCEF.exe	89
PID 2628 wrote to memory of 4576	2628	RdrCEF.exe	89
PID 2628 wrote to memory of 4576	2628	RdrCEF.exe	89
PID 2628 wrote to memory of 4984	2628	RdrCEF.exe	90
PID 2628 wrote to memory of 4984	2628	RdrCEF.exe	90
PID 2628 wrote to memory of 4984	2628	RdrCEF.exe	90
PID 2628 wrote to memory of 4984	2628	RdrCEF.exe	90
PID 2628 wrote to memory of 4984	2628	RdrCEF.exe	90
PID 2628 wrote to memory of 4984	2628	RdrCEF.exe	90
PID 2628 wrote to memory of 4984	2628	RdrCEF.exe	90
PID 2628 wrote to memory of 4984	2628	RdrCEF.exe	90
PID 2628 wrote to memory of 4984	2628	RdrCEF.exe	90
PID 2628 wrote to memory of 4984	2628	RdrCEF.exe	90
PID 2628 wrote to memory of 4984	2628	RdrCEF.exe	90
PID 2628 wrote to memory of 4984	2628	RdrCEF.exe	90
PID 2628 wrote to memory of 4984	2628	RdrCEF.exe	90
PID 2628 wrote to memory of 4984	2628	RdrCEF.exe	90
PID 2628 wrote to memory of 4984	2628	RdrCEF.exe	90
PID 2628 wrote to memory of 4984	2628	RdrCEF.exe	90
PID 2628 wrote to memory of 4984	2628	RdrCEF.exe	90
PID 2628 wrote to memory of 4984	2628	RdrCEF.exe	90
PID 2628 wrote to memory of 4984	2628	RdrCEF.exe	90
PID 2628 wrote to memory of 4984	2628	RdrCEF.exe	90

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\PR10559_SR_EN.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:4656
- 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:2628
- - 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=8A93FB9DB70E556CA533E61923D78246 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4576
- - 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=B5118AB6AB897D567C6C2F881B472322 --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=B5118AB6AB897D567C6C2F881B472322 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4984
- - 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=AC7C0126244173DB11BBC5C5A76A42EE --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=AC7C0126244173DB11BBC5C5A76A42EE --renderer-client-id=4 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4304
- - 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=FC3225DD3D8239DFEE018017222B91C3 --mojo-platform-channel-handle=2428 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4156
- - 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=8C99A5493DD7B3B25838B49C35C895D2 --mojo-platform-channel-handle=2552 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:212
- - 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=73A918CF0591E73A4CB8FC1C6707E1CA --mojo-platform-channel-handle=2664 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:976

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4816

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
45b593730794482d2920b9897ed5e86f

SHA1
7f9380ae3b2d339def60d7199280ccb9c53e4756

SHA256
25969434bb6b58b51c3980716abd99ac6c352543bbcdaed5c0c74c25863fd76c

SHA512
d082a598666bcc9d2c3cc0a6d75ad39344508030bae3baf2aa86fc62bbd49c1d87a2dc1b1e06c0d7c77ab27867f60d3a8d2aea4bb02be1fd846e3cda038aff3f

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/4656-26-0x0000000009AC0000-0x0000000009AE1000-memory.dmp

Filesize
132KB

Download
memory/4656-132-0x000000000BCC0000-0x000000000BF6B000-memory.dmp

Filesize
2.7MB

Download