174af85755d57f9161f4147e1a3bb1cb4939444de9e6f7cfcdf96c4d5d752100

Analysis

max time kernel
42s
max time network
48s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
14/04/2023, 02:09

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General

Target

Form 4A - RWR & Co.pdf
Size

800KB
MD5

62bbac4baff5e7e04282e512cd2d0dea
SHA1

57b8f0da1af7be19da4cd321cd5582bda5343786
SHA256

174af85755d57f9161f4147e1a3bb1cb4939444de9e6f7cfcdf96c4d5d752100
SHA512

bc2441871206822218e743251d2ff51b1b9a14b7db6ec463b98ad101a2d0dd2e254f0a61486c19d8bb08befce71f34b0a384c9574f807d92697cc10151c3138a
SSDEEP

24576:dHq2JJRaW89E2+QnkHQoLF8SGScVjBun98:zJJREBhnIF8W4un98

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

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4416	AcroRd32.exe
4416	AcroRd32.exe
4416	AcroRd32.exe
4416	AcroRd32.exe
4416	AcroRd32.exe
4416	AcroRd32.exe
4416	AcroRd32.exe
4416	AcroRd32.exe
4416	AcroRd32.exe
4416	AcroRd32.exe
4416	AcroRd32.exe
4416	AcroRd32.exe
4416	AcroRd32.exe
4416	AcroRd32.exe
4416	AcroRd32.exe
4416	AcroRd32.exe
4416	AcroRd32.exe
4416	AcroRd32.exe
4416	AcroRd32.exe
4416	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4416	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4416	AcroRd32.exe
4416	AcroRd32.exe
4416	AcroRd32.exe
4416	AcroRd32.exe
4416	AcroRd32.exe
4416	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4416 wrote to memory of 3188	4416	AcroRd32.exe	87
PID 4416 wrote to memory of 3188	4416	AcroRd32.exe	87
PID 4416 wrote to memory of 3188	4416	AcroRd32.exe	87
PID 3188 wrote to memory of 1388	3188	RdrCEF.exe	89
PID 3188 wrote to memory of 1388	3188	RdrCEF.exe	89
PID 3188 wrote to memory of 1388	3188	RdrCEF.exe	89
PID 3188 wrote to memory of 1388	3188	RdrCEF.exe	89
PID 3188 wrote to memory of 1388	3188	RdrCEF.exe	89
PID 3188 wrote to memory of 1388	3188	RdrCEF.exe	89
PID 3188 wrote to memory of 1388	3188	RdrCEF.exe	89
PID 3188 wrote to memory of 1388	3188	RdrCEF.exe	89
PID 3188 wrote to memory of 1388	3188	RdrCEF.exe	89
PID 3188 wrote to memory of 1388	3188	RdrCEF.exe	89
PID 3188 wrote to memory of 1388	3188	RdrCEF.exe	89
PID 3188 wrote to memory of 1388	3188	RdrCEF.exe	89
PID 3188 wrote to memory of 1388	3188	RdrCEF.exe	89
PID 3188 wrote to memory of 1388	3188	RdrCEF.exe	89
PID 3188 wrote to memory of 1388	3188	RdrCEF.exe	89
PID 3188 wrote to memory of 1388	3188	RdrCEF.exe	89
PID 3188 wrote to memory of 1388	3188	RdrCEF.exe	89
PID 3188 wrote to memory of 1388	3188	RdrCEF.exe	89
PID 3188 wrote to memory of 1388	3188	RdrCEF.exe	89
PID 3188 wrote to memory of 1388	3188	RdrCEF.exe	89
PID 3188 wrote to memory of 1388	3188	RdrCEF.exe	89
PID 3188 wrote to memory of 1388	3188	RdrCEF.exe	89
PID 3188 wrote to memory of 1388	3188	RdrCEF.exe	89
PID 3188 wrote to memory of 1388	3188	RdrCEF.exe	89
PID 3188 wrote to memory of 1388	3188	RdrCEF.exe	89
PID 3188 wrote to memory of 1388	3188	RdrCEF.exe	89
PID 3188 wrote to memory of 1388	3188	RdrCEF.exe	89
PID 3188 wrote to memory of 1388	3188	RdrCEF.exe	89
PID 3188 wrote to memory of 1388	3188	RdrCEF.exe	89
PID 3188 wrote to memory of 1388	3188	RdrCEF.exe	89
PID 3188 wrote to memory of 1388	3188	RdrCEF.exe	89
PID 3188 wrote to memory of 1388	3188	RdrCEF.exe	89
PID 3188 wrote to memory of 1388	3188	RdrCEF.exe	89
PID 3188 wrote to memory of 1388	3188	RdrCEF.exe	89
PID 3188 wrote to memory of 1388	3188	RdrCEF.exe	89
PID 3188 wrote to memory of 1388	3188	RdrCEF.exe	89
PID 3188 wrote to memory of 1388	3188	RdrCEF.exe	89
PID 3188 wrote to memory of 1388	3188	RdrCEF.exe	89
PID 3188 wrote to memory of 1388	3188	RdrCEF.exe	89
PID 3188 wrote to memory of 1388	3188	RdrCEF.exe	89
PID 3188 wrote to memory of 1388	3188	RdrCEF.exe	89
PID 3188 wrote to memory of 4208	3188	RdrCEF.exe	90
PID 3188 wrote to memory of 4208	3188	RdrCEF.exe	90
PID 3188 wrote to memory of 4208	3188	RdrCEF.exe	90
PID 3188 wrote to memory of 4208	3188	RdrCEF.exe	90
PID 3188 wrote to memory of 4208	3188	RdrCEF.exe	90
PID 3188 wrote to memory of 4208	3188	RdrCEF.exe	90
PID 3188 wrote to memory of 4208	3188	RdrCEF.exe	90
PID 3188 wrote to memory of 4208	3188	RdrCEF.exe	90
PID 3188 wrote to memory of 4208	3188	RdrCEF.exe	90
PID 3188 wrote to memory of 4208	3188	RdrCEF.exe	90
PID 3188 wrote to memory of 4208	3188	RdrCEF.exe	90
PID 3188 wrote to memory of 4208	3188	RdrCEF.exe	90
PID 3188 wrote to memory of 4208	3188	RdrCEF.exe	90
PID 3188 wrote to memory of 4208	3188	RdrCEF.exe	90
PID 3188 wrote to memory of 4208	3188	RdrCEF.exe	90
PID 3188 wrote to memory of 4208	3188	RdrCEF.exe	90
PID 3188 wrote to memory of 4208	3188	RdrCEF.exe	90
PID 3188 wrote to memory of 4208	3188	RdrCEF.exe	90
PID 3188 wrote to memory of 4208	3188	RdrCEF.exe	90
PID 3188 wrote to memory of 4208	3188	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\Form 4A - RWR & Co.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:4416
- 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:3188
- - 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=9DC5C05C49339ACB763692724A0112D7 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1388
- - 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=0A1F7B46E351B2191D2992FDAA37D0D8 --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=0A1F7B46E351B2191D2992FDAA37D0D8 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4208
- - 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=05DC07C4BBEEA338E63285FC71831572 --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=05DC07C4BBEEA338E63285FC71831572 --renderer-client-id=4 --mojo-platform-channel-handle=2188 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3480
- - 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=1E87B45598C49794105CD2D8BE24BE32 --mojo-platform-channel-handle=1804 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3948
- - 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=864D195ABE6669FB8B2B0D2D02AFC62B --mojo-platform-channel-handle=1940 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1560
- - 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=6C7D1E1B07A09A4E4C418BC681DC0EED --mojo-platform-channel-handle=2004 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4060

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2384

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
f8d248664cc2545ee147b9b6ce5051d4

SHA1
8874e2c90dc9cd1622d5fd1538f42085d285b5ff

SHA256
69e03629ec68e49cd6de419ce8fffc75d671f5e4675e1c19cc805f09b65c656f

SHA512
c5f68a5acc69db11ada8e7e5e18b95ff7fb653f218cd151ce2c45bffccf7c5552ccda433e9d62e9b98af17664d4961568c609db87404f186b7f02959021d0281

Download Submit
memory/4416-259-0x000000000B120000-0x000000000B141000-memory.dmp

Filesize
132KB

Download
memory/4416-265-0x000000000B120000-0x000000000B141000-memory.dmp

Filesize
132KB

Download
memory/4416-271-0x000000000B120000-0x000000000B141000-memory.dmp

Filesize
132KB

Download