7a3b1e9c8df660dc1c1cf9b17411c1d6a4ffca364712c5de8ac46b1199ece1ce

Analysis

max time kernel
142s
max time network
169s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
16-06-2023 18:36

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General

Target

Servicing-invoice-template.pdf
Size

34KB
MD5

d422843d566db462f7f8f6bc3be9ca76
SHA1

1b1b89d8227af285a658ba64a15e1f0a56953e46
SHA256

3fff1be296432c5b2cf165c63110531e8e4aa3e31285d1800d0ab92ece7e5c3a
SHA512

a62ad4534bd8b274df69de3dfc64595137941097742173f0e8d02307f35b5344bcfaf3151a203d6f5a24f2a4300996e7713db729763516cade8893e62d63e9cc
SSDEEP

768:zzy3jjj/ZX6HmbabFA7FFFjgXUfUU9ivyoWYU9NlgxUh3:zzijjjRXIcaZAtIyo+lD

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-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4612	AcroRd32.exe
4612	AcroRd32.exe
4612	AcroRd32.exe
4612	AcroRd32.exe
4612	AcroRd32.exe
4612	AcroRd32.exe
4612	AcroRd32.exe
4612	AcroRd32.exe
4612	AcroRd32.exe
4612	AcroRd32.exe
4612	AcroRd32.exe
4612	AcroRd32.exe
4612	AcroRd32.exe
4612	AcroRd32.exe
4612	AcroRd32.exe
4612	AcroRd32.exe
4612	AcroRd32.exe
4612	AcroRd32.exe
4612	AcroRd32.exe
4612	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4612	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4612	AcroRd32.exe
4612	AcroRd32.exe
4612	AcroRd32.exe
4612	AcroRd32.exe
4612	AcroRd32.exe
4612	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4612 wrote to memory of 2672	4612	AcroRd32.exe	81
PID 4612 wrote to memory of 2672	4612	AcroRd32.exe	81
PID 4612 wrote to memory of 2672	4612	AcroRd32.exe	81
PID 2672 wrote to memory of 4320	2672	RdrCEF.exe	82
PID 2672 wrote to memory of 4320	2672	RdrCEF.exe	82
PID 2672 wrote to memory of 4320	2672	RdrCEF.exe	82
PID 2672 wrote to memory of 4320	2672	RdrCEF.exe	82
PID 2672 wrote to memory of 4320	2672	RdrCEF.exe	82
PID 2672 wrote to memory of 4320	2672	RdrCEF.exe	82
PID 2672 wrote to memory of 4320	2672	RdrCEF.exe	82
PID 2672 wrote to memory of 4320	2672	RdrCEF.exe	82
PID 2672 wrote to memory of 4320	2672	RdrCEF.exe	82
PID 2672 wrote to memory of 4320	2672	RdrCEF.exe	82
PID 2672 wrote to memory of 4320	2672	RdrCEF.exe	82
PID 2672 wrote to memory of 4320	2672	RdrCEF.exe	82
PID 2672 wrote to memory of 4320	2672	RdrCEF.exe	82
PID 2672 wrote to memory of 4320	2672	RdrCEF.exe	82
PID 2672 wrote to memory of 4320	2672	RdrCEF.exe	82
PID 2672 wrote to memory of 4320	2672	RdrCEF.exe	82
PID 2672 wrote to memory of 4320	2672	RdrCEF.exe	82
PID 2672 wrote to memory of 4320	2672	RdrCEF.exe	82
PID 2672 wrote to memory of 4320	2672	RdrCEF.exe	82
PID 2672 wrote to memory of 4320	2672	RdrCEF.exe	82
PID 2672 wrote to memory of 4320	2672	RdrCEF.exe	82
PID 2672 wrote to memory of 4320	2672	RdrCEF.exe	82
PID 2672 wrote to memory of 4320	2672	RdrCEF.exe	82
PID 2672 wrote to memory of 4320	2672	RdrCEF.exe	82
PID 2672 wrote to memory of 4320	2672	RdrCEF.exe	82
PID 2672 wrote to memory of 4320	2672	RdrCEF.exe	82
PID 2672 wrote to memory of 4320	2672	RdrCEF.exe	82
PID 2672 wrote to memory of 4320	2672	RdrCEF.exe	82
PID 2672 wrote to memory of 4320	2672	RdrCEF.exe	82
PID 2672 wrote to memory of 4320	2672	RdrCEF.exe	82
PID 2672 wrote to memory of 4320	2672	RdrCEF.exe	82
PID 2672 wrote to memory of 4320	2672	RdrCEF.exe	82
PID 2672 wrote to memory of 4320	2672	RdrCEF.exe	82
PID 2672 wrote to memory of 4320	2672	RdrCEF.exe	82
PID 2672 wrote to memory of 4320	2672	RdrCEF.exe	82
PID 2672 wrote to memory of 4320	2672	RdrCEF.exe	82
PID 2672 wrote to memory of 4320	2672	RdrCEF.exe	82
PID 2672 wrote to memory of 4320	2672	RdrCEF.exe	82
PID 2672 wrote to memory of 4320	2672	RdrCEF.exe	82
PID 2672 wrote to memory of 4320	2672	RdrCEF.exe	82
PID 2672 wrote to memory of 4320	2672	RdrCEF.exe	82
PID 2672 wrote to memory of 2640	2672	RdrCEF.exe	83
PID 2672 wrote to memory of 2640	2672	RdrCEF.exe	83
PID 2672 wrote to memory of 2640	2672	RdrCEF.exe	83
PID 2672 wrote to memory of 2640	2672	RdrCEF.exe	83
PID 2672 wrote to memory of 2640	2672	RdrCEF.exe	83
PID 2672 wrote to memory of 2640	2672	RdrCEF.exe	83
PID 2672 wrote to memory of 2640	2672	RdrCEF.exe	83
PID 2672 wrote to memory of 2640	2672	RdrCEF.exe	83
PID 2672 wrote to memory of 2640	2672	RdrCEF.exe	83
PID 2672 wrote to memory of 2640	2672	RdrCEF.exe	83
PID 2672 wrote to memory of 2640	2672	RdrCEF.exe	83
PID 2672 wrote to memory of 2640	2672	RdrCEF.exe	83
PID 2672 wrote to memory of 2640	2672	RdrCEF.exe	83
PID 2672 wrote to memory of 2640	2672	RdrCEF.exe	83
PID 2672 wrote to memory of 2640	2672	RdrCEF.exe	83
PID 2672 wrote to memory of 2640	2672	RdrCEF.exe	83
PID 2672 wrote to memory of 2640	2672	RdrCEF.exe	83
PID 2672 wrote to memory of 2640	2672	RdrCEF.exe	83
PID 2672 wrote to memory of 2640	2672	RdrCEF.exe	83
PID 2672 wrote to memory of 2640	2672	RdrCEF.exe	83

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\Servicing-invoice-template.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:4612
- 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:2672
- - 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=4E7B5A647BD3E45394948A9C2CEDDCA0 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4320
- - 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=32AFF691938D37EBEAE789655BA81CA5 --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=32AFF691938D37EBEAE789655BA81CA5 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2640
- - 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=731934AAE1A8885423AABF2DEBF76788 --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4588
- - 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=F84636BE3AE44FECFCFBE20C22E22D79 --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=F84636BE3AE44FECFCFBE20C22E22D79 --renderer-client-id=5 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2548
- - 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=110A8CC6481D66FA97A26759E485BB5F --mojo-platform-channel-handle=1716 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2344
- - 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=2BE08FB01B98E48B4EC1C10EBE412A83 --mojo-platform-channel-handle=2644 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4608

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

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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
c236f403484cc5f8dd8368c2e51bda63

SHA1
877a0f18d91a803bb23a19543c474f1d8d30499a

SHA256
7e91417c28016b5bc0838f5c7fb84a6a0998abb95283c689d14447e2ac489551

SHA512
7959d7fee63d67e6bdbe2b05d4fd500b73370c62bdf891efdc7c9a7df0d6974d6aced57a27dc8b173ebc18bad4b5456986485f6c478094f486588217f70e16ab

Download Submit