83728d06364213520d5bc3521e14f3b82bfd227d26944098bd9cdbade573f929

Analysis

max time kernel
140s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
31/03/2023, 04:29

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General

Target

Grievance details-1.pdf
Size

51KB
MD5

6d8bbc935578d9682068d1af94207ef4
SHA1

13c34bd3a743df1e2ccc3515bbcf61f2bbd8d4de
SHA256

83728d06364213520d5bc3521e14f3b82bfd227d26944098bd9cdbade573f929
SHA512

484132b8d6a3a4c1f5021e67183732c0c43b78477658b5d3912802ba55eea14999f3108049ec8a4992dd997f6dff1dedde9e110734fc0fefefef99ca017e1801
SSDEEP

1536:Y5FtGgk4k4lXUxoeggLnNVTOBGOb6coQM:YXtCcEGeggLnNloGO0B

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4604	AcroRd32.exe
4604	AcroRd32.exe
4604	AcroRd32.exe
4604	AcroRd32.exe
4604	AcroRd32.exe
4604	AcroRd32.exe
4604	AcroRd32.exe
4604	AcroRd32.exe
4604	AcroRd32.exe
4604	AcroRd32.exe
4604	AcroRd32.exe
4604	AcroRd32.exe
4604	AcroRd32.exe
4604	AcroRd32.exe
4604	AcroRd32.exe
4604	AcroRd32.exe
4604	AcroRd32.exe
4604	AcroRd32.exe
4604	AcroRd32.exe
4604	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4604	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4604	AcroRd32.exe
4604	AcroRd32.exe
4604	AcroRd32.exe
4604	AcroRd32.exe
4604	AcroRd32.exe
4604	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4604 wrote to memory of 1160	4604	AcroRd32.exe	85
PID 4604 wrote to memory of 1160	4604	AcroRd32.exe	85
PID 4604 wrote to memory of 1160	4604	AcroRd32.exe	85
PID 1160 wrote to memory of 3560	1160	RdrCEF.exe	87
PID 1160 wrote to memory of 3560	1160	RdrCEF.exe	87
PID 1160 wrote to memory of 3560	1160	RdrCEF.exe	87
PID 1160 wrote to memory of 3560	1160	RdrCEF.exe	87
PID 1160 wrote to memory of 3560	1160	RdrCEF.exe	87
PID 1160 wrote to memory of 3560	1160	RdrCEF.exe	87
PID 1160 wrote to memory of 3560	1160	RdrCEF.exe	87
PID 1160 wrote to memory of 3560	1160	RdrCEF.exe	87
PID 1160 wrote to memory of 3560	1160	RdrCEF.exe	87
PID 1160 wrote to memory of 3560	1160	RdrCEF.exe	87
PID 1160 wrote to memory of 3560	1160	RdrCEF.exe	87
PID 1160 wrote to memory of 3560	1160	RdrCEF.exe	87
PID 1160 wrote to memory of 3560	1160	RdrCEF.exe	87
PID 1160 wrote to memory of 3560	1160	RdrCEF.exe	87
PID 1160 wrote to memory of 3560	1160	RdrCEF.exe	87
PID 1160 wrote to memory of 3560	1160	RdrCEF.exe	87
PID 1160 wrote to memory of 3560	1160	RdrCEF.exe	87
PID 1160 wrote to memory of 3560	1160	RdrCEF.exe	87
PID 1160 wrote to memory of 3560	1160	RdrCEF.exe	87
PID 1160 wrote to memory of 3560	1160	RdrCEF.exe	87
PID 1160 wrote to memory of 3560	1160	RdrCEF.exe	87
PID 1160 wrote to memory of 3560	1160	RdrCEF.exe	87
PID 1160 wrote to memory of 3560	1160	RdrCEF.exe	87
PID 1160 wrote to memory of 3560	1160	RdrCEF.exe	87
PID 1160 wrote to memory of 3560	1160	RdrCEF.exe	87
PID 1160 wrote to memory of 3560	1160	RdrCEF.exe	87
PID 1160 wrote to memory of 3560	1160	RdrCEF.exe	87
PID 1160 wrote to memory of 3560	1160	RdrCEF.exe	87
PID 1160 wrote to memory of 3560	1160	RdrCEF.exe	87
PID 1160 wrote to memory of 3560	1160	RdrCEF.exe	87
PID 1160 wrote to memory of 3560	1160	RdrCEF.exe	87
PID 1160 wrote to memory of 3560	1160	RdrCEF.exe	87
PID 1160 wrote to memory of 3560	1160	RdrCEF.exe	87
PID 1160 wrote to memory of 3560	1160	RdrCEF.exe	87
PID 1160 wrote to memory of 3560	1160	RdrCEF.exe	87
PID 1160 wrote to memory of 3560	1160	RdrCEF.exe	87
PID 1160 wrote to memory of 3560	1160	RdrCEF.exe	87
PID 1160 wrote to memory of 3560	1160	RdrCEF.exe	87
PID 1160 wrote to memory of 3560	1160	RdrCEF.exe	87
PID 1160 wrote to memory of 3560	1160	RdrCEF.exe	87
PID 1160 wrote to memory of 3560	1160	RdrCEF.exe	87
PID 1160 wrote to memory of 224	1160	RdrCEF.exe	88
PID 1160 wrote to memory of 224	1160	RdrCEF.exe	88
PID 1160 wrote to memory of 224	1160	RdrCEF.exe	88
PID 1160 wrote to memory of 224	1160	RdrCEF.exe	88
PID 1160 wrote to memory of 224	1160	RdrCEF.exe	88
PID 1160 wrote to memory of 224	1160	RdrCEF.exe	88
PID 1160 wrote to memory of 224	1160	RdrCEF.exe	88
PID 1160 wrote to memory of 224	1160	RdrCEF.exe	88
PID 1160 wrote to memory of 224	1160	RdrCEF.exe	88
PID 1160 wrote to memory of 224	1160	RdrCEF.exe	88
PID 1160 wrote to memory of 224	1160	RdrCEF.exe	88
PID 1160 wrote to memory of 224	1160	RdrCEF.exe	88
PID 1160 wrote to memory of 224	1160	RdrCEF.exe	88
PID 1160 wrote to memory of 224	1160	RdrCEF.exe	88
PID 1160 wrote to memory of 224	1160	RdrCEF.exe	88
PID 1160 wrote to memory of 224	1160	RdrCEF.exe	88
PID 1160 wrote to memory of 224	1160	RdrCEF.exe	88
PID 1160 wrote to memory of 224	1160	RdrCEF.exe	88
PID 1160 wrote to memory of 224	1160	RdrCEF.exe	88
PID 1160 wrote to memory of 224	1160	RdrCEF.exe	88

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\Grievance details-1.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:4604
- 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:1160
- - 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=E1C7C9A5C7BEBA2315D79D4AA47735EA --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3560
- - 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=88CDCF87C3BA68D66000A62EB792BE50 --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=88CDCF87C3BA68D66000A62EB792BE50 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:224
- - 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=AD5C84F5BB5B18125E78A4046D2FDDDF --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4268
- - 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=5AA5BC8B8BA07BDD9B654349C03EA64E --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=5AA5BC8B8BA07BDD9B654349C03EA64E --renderer-client-id=5 --mojo-platform-channel-handle=1944 --allow-no-sandbox-job /prefetch:1
    3⤵
    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=09C1CC0619D22A28ED4993583D8563F4 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4288
- - 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=520B04B9712582E6CE4FBFE16D4A4C65 --mojo-platform-channel-handle=1996 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:856

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3452

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
8d44f557d7eb3c83714645118256e2be

SHA1
8affd68727da86a8cd9f4a421848864e1597a555

SHA256
36936edd9f800d3260e3c14390ce0ed28e3c1cd0180d5e3f9071cbbd46d03156

SHA512
d23818de8ab274bb348bb1d61bd4351f8a05c6e36cc13c47230daffc76bec8af275e943effe21cd157de0ed7a6ddd42d79a085790cafebf7935a495bbbb7c5d8

Download Submit