852d952237c2992629f2772e89eb93eda431364d736feedf30974b848aba5543

Analysis

max time kernel
146s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
29-12-2023 18:52

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General

Target

00fc6bcf431be14a1dea267c13727410.pdf
Size

87KB
MD5

00fc6bcf431be14a1dea267c13727410
SHA1

6b52cf850af6ea8c78a111801217378dd8ae211c
SHA256

852d952237c2992629f2772e89eb93eda431364d736feedf30974b848aba5543
SHA512

0464da3531bac0740cf8b1038d407d96eae7e3d0d5e02fba97cf33891e9b5297012bc190e18513723b6c9e66525b37d507cb8e47af322c10ccb16cff929c3994
SSDEEP

1536:bwDPRyKRyKndeH2Yv2OT9f7OQ4aLY0TNvLjtt2nCBfNs7tIHWbdQ9++YUBHNVhWZ:MPRrRyYdeH2Yv2OJ7O2LYmNvvkCBG7tx

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4460	AcroRd32.exe
4460	AcroRd32.exe
4460	AcroRd32.exe
4460	AcroRd32.exe
4460	AcroRd32.exe
4460	AcroRd32.exe
4460	AcroRd32.exe
4460	AcroRd32.exe
4460	AcroRd32.exe
4460	AcroRd32.exe
4460	AcroRd32.exe
4460	AcroRd32.exe
4460	AcroRd32.exe
4460	AcroRd32.exe
4460	AcroRd32.exe
4460	AcroRd32.exe
4460	AcroRd32.exe
4460	AcroRd32.exe
4460	AcroRd32.exe
4460	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4460	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4460	AcroRd32.exe
4460	AcroRd32.exe
4460	AcroRd32.exe
4460	AcroRd32.exe
4460	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4460 wrote to memory of 2340	4460	AcroRd32.exe	94
PID 4460 wrote to memory of 2340	4460	AcroRd32.exe	94
PID 4460 wrote to memory of 2340	4460	AcroRd32.exe	94
PID 2340 wrote to memory of 952	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 952	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 952	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 952	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 952	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 952	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 952	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 952	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 952	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 952	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 952	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 952	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 952	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 952	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 952	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 952	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 952	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 952	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 952	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 952	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 952	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 952	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 952	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 952	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 952	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 952	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 952	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 952	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 952	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 952	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 952	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 952	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 952	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 952	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 952	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 952	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 952	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 952	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 952	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 952	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 952	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 4704	2340	RdrCEF.exe	96
PID 2340 wrote to memory of 4704	2340	RdrCEF.exe	96
PID 2340 wrote to memory of 4704	2340	RdrCEF.exe	96
PID 2340 wrote to memory of 4704	2340	RdrCEF.exe	96
PID 2340 wrote to memory of 4704	2340	RdrCEF.exe	96
PID 2340 wrote to memory of 4704	2340	RdrCEF.exe	96
PID 2340 wrote to memory of 4704	2340	RdrCEF.exe	96
PID 2340 wrote to memory of 4704	2340	RdrCEF.exe	96
PID 2340 wrote to memory of 4704	2340	RdrCEF.exe	96
PID 2340 wrote to memory of 4704	2340	RdrCEF.exe	96
PID 2340 wrote to memory of 4704	2340	RdrCEF.exe	96
PID 2340 wrote to memory of 4704	2340	RdrCEF.exe	96
PID 2340 wrote to memory of 4704	2340	RdrCEF.exe	96
PID 2340 wrote to memory of 4704	2340	RdrCEF.exe	96
PID 2340 wrote to memory of 4704	2340	RdrCEF.exe	96
PID 2340 wrote to memory of 4704	2340	RdrCEF.exe	96
PID 2340 wrote to memory of 4704	2340	RdrCEF.exe	96
PID 2340 wrote to memory of 4704	2340	RdrCEF.exe	96
PID 2340 wrote to memory of 4704	2340	RdrCEF.exe	96
PID 2340 wrote to memory of 4704	2340	RdrCEF.exe	96

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\00fc6bcf431be14a1dea267c13727410.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:4460
- 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:2340
- - 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=8FE952472F8ECFCFA765C2690E777641 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:952
- - 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=53483CB169B2E62BC30E289C55D8CBDA --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=53483CB169B2E62BC30E289C55D8CBDA --renderer-client-id=2 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4704
- - 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=66A224B66D212558CA09D7AE3F5E3712 --mojo-platform-channel-handle=2280 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4564
- - 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=FB327A64C70700A368CBD753AA94CDBC --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=FB327A64C70700A368CBD753AA94CDBC --renderer-client-id=6 --mojo-platform-channel-handle=1860 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1804
- - 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=9CE5C4D0396E7CC5BCC52F2A5B827A54 --mojo-platform-channel-handle=1820 --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=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=3EB4D9FBBA9823A2DD675DA2F902249D --mojo-platform-channel-handle=1908 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3992

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4016

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
92c34a8ee72ef61888bba8c1827a773f

SHA1
4d20062b0bf67844562ed7cbe8a66caa6b09ac39

SHA256
87cb2c7d0b554595a77c2f0f5af0432002bfd51f45b62b1743d6e4d32606b3ec

SHA512
9ef958337d1f71be1eb6398feefbe1427af3b3ba8b181e4940011e13767c84fa7a93cb74f227ef1d87cdb72800e43e67cc82f45faf42a2dc8e005668e95b000e

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