7ab20ca0107f85b5ec838b76474e2c49f1295041f637f6c7130b745acecebf8a

Analysis

max time kernel
147s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
14/03/2024, 03:42

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General

Target

Stamps/E-Mail.pdf
Size

6KB
MD5

bc457ce4ac84f70ed7eeadb0fa2d0481
SHA1

d2af8caaabcd1037813499681bedca5ef336d982
SHA256

8f604f3468966c390b360c7ed2a870f078e560713bd2d6ad56207348e53490d1
SHA512

762a34066297f42e7da67646fbfcb5ae970bcc33335dd88ec9ab0787a20c5b914ed3ab590c3efc826fddaaef9f301572390fc0f5d34cd9afa47721a555691b23
SSDEEP

192:WHRB2PD6LiFXjp1MdCVofgNMasc1WrxoKTJrv8X:WUrFT/Po4NvsXOKTZv8X

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-1-5-21-2727153400-192325109-1870347593-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1448	AcroRd32.exe
1448	AcroRd32.exe
1448	AcroRd32.exe
1448	AcroRd32.exe
1448	AcroRd32.exe
1448	AcroRd32.exe
1448	AcroRd32.exe
1448	AcroRd32.exe
1448	AcroRd32.exe
1448	AcroRd32.exe
1448	AcroRd32.exe
1448	AcroRd32.exe
1448	AcroRd32.exe
1448	AcroRd32.exe
1448	AcroRd32.exe
1448	AcroRd32.exe
1448	AcroRd32.exe
1448	AcroRd32.exe
1448	AcroRd32.exe
1448	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1448	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1448	AcroRd32.exe
1448	AcroRd32.exe
1448	AcroRd32.exe
1448	AcroRd32.exe
1448	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1448 wrote to memory of 3576	1448	AcroRd32.exe	90
PID 1448 wrote to memory of 3576	1448	AcroRd32.exe	90
PID 1448 wrote to memory of 3576	1448	AcroRd32.exe	90
PID 3576 wrote to memory of 2848	3576	RdrCEF.exe	91
PID 3576 wrote to memory of 2848	3576	RdrCEF.exe	91
PID 3576 wrote to memory of 2848	3576	RdrCEF.exe	91
PID 3576 wrote to memory of 2848	3576	RdrCEF.exe	91
PID 3576 wrote to memory of 2848	3576	RdrCEF.exe	91
PID 3576 wrote to memory of 2848	3576	RdrCEF.exe	91
PID 3576 wrote to memory of 2848	3576	RdrCEF.exe	91
PID 3576 wrote to memory of 2848	3576	RdrCEF.exe	91
PID 3576 wrote to memory of 2848	3576	RdrCEF.exe	91
PID 3576 wrote to memory of 2848	3576	RdrCEF.exe	91
PID 3576 wrote to memory of 2848	3576	RdrCEF.exe	91
PID 3576 wrote to memory of 2848	3576	RdrCEF.exe	91
PID 3576 wrote to memory of 2848	3576	RdrCEF.exe	91
PID 3576 wrote to memory of 2848	3576	RdrCEF.exe	91
PID 3576 wrote to memory of 2848	3576	RdrCEF.exe	91
PID 3576 wrote to memory of 2848	3576	RdrCEF.exe	91
PID 3576 wrote to memory of 2848	3576	RdrCEF.exe	91
PID 3576 wrote to memory of 2848	3576	RdrCEF.exe	91
PID 3576 wrote to memory of 2848	3576	RdrCEF.exe	91
PID 3576 wrote to memory of 2848	3576	RdrCEF.exe	91
PID 3576 wrote to memory of 2848	3576	RdrCEF.exe	91
PID 3576 wrote to memory of 2848	3576	RdrCEF.exe	91
PID 3576 wrote to memory of 2848	3576	RdrCEF.exe	91
PID 3576 wrote to memory of 2848	3576	RdrCEF.exe	91
PID 3576 wrote to memory of 2848	3576	RdrCEF.exe	91
PID 3576 wrote to memory of 2848	3576	RdrCEF.exe	91
PID 3576 wrote to memory of 2848	3576	RdrCEF.exe	91
PID 3576 wrote to memory of 2848	3576	RdrCEF.exe	91
PID 3576 wrote to memory of 2848	3576	RdrCEF.exe	91
PID 3576 wrote to memory of 2848	3576	RdrCEF.exe	91
PID 3576 wrote to memory of 2848	3576	RdrCEF.exe	91
PID 3576 wrote to memory of 2848	3576	RdrCEF.exe	91
PID 3576 wrote to memory of 2848	3576	RdrCEF.exe	91
PID 3576 wrote to memory of 2848	3576	RdrCEF.exe	91
PID 3576 wrote to memory of 2848	3576	RdrCEF.exe	91
PID 3576 wrote to memory of 2848	3576	RdrCEF.exe	91
PID 3576 wrote to memory of 2848	3576	RdrCEF.exe	91
PID 3576 wrote to memory of 2848	3576	RdrCEF.exe	91
PID 3576 wrote to memory of 2848	3576	RdrCEF.exe	91
PID 3576 wrote to memory of 2848	3576	RdrCEF.exe	91
PID 3576 wrote to memory of 2848	3576	RdrCEF.exe	91
PID 3576 wrote to memory of 4852	3576	RdrCEF.exe	92
PID 3576 wrote to memory of 4852	3576	RdrCEF.exe	92
PID 3576 wrote to memory of 4852	3576	RdrCEF.exe	92
PID 3576 wrote to memory of 4852	3576	RdrCEF.exe	92
PID 3576 wrote to memory of 4852	3576	RdrCEF.exe	92
PID 3576 wrote to memory of 4852	3576	RdrCEF.exe	92
PID 3576 wrote to memory of 4852	3576	RdrCEF.exe	92
PID 3576 wrote to memory of 4852	3576	RdrCEF.exe	92
PID 3576 wrote to memory of 4852	3576	RdrCEF.exe	92
PID 3576 wrote to memory of 4852	3576	RdrCEF.exe	92
PID 3576 wrote to memory of 4852	3576	RdrCEF.exe	92
PID 3576 wrote to memory of 4852	3576	RdrCEF.exe	92
PID 3576 wrote to memory of 4852	3576	RdrCEF.exe	92
PID 3576 wrote to memory of 4852	3576	RdrCEF.exe	92
PID 3576 wrote to memory of 4852	3576	RdrCEF.exe	92
PID 3576 wrote to memory of 4852	3576	RdrCEF.exe	92
PID 3576 wrote to memory of 4852	3576	RdrCEF.exe	92
PID 3576 wrote to memory of 4852	3576	RdrCEF.exe	92
PID 3576 wrote to memory of 4852	3576	RdrCEF.exe	92
PID 3576 wrote to memory of 4852	3576	RdrCEF.exe	92

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\Stamps\E-Mail.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:1448
- 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:3576
- - 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=6495D062E45384B3BF9FB3A4B7C182A1 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2848
- - 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=0A6FD7C7AC4BB0FF41EF0EA06373997A --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=0A6FD7C7AC4BB0FF41EF0EA06373997A --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4852
- - 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=D92E954DCCD523A8F29FFC35CD32EA1E --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=D92E954DCCD523A8F29FFC35CD32EA1E --renderer-client-id=4 --mojo-platform-channel-handle=2184 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2100
- - 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=0984128628A3C980CE9E075DFE04831C --mojo-platform-channel-handle=2444 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3956
- - 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=BFFDB86DA015986CE3ACB77E8EB7FBD8 --mojo-platform-channel-handle=2576 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2572
- - 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=231CB4C2785CEA284F131F0D49FFC1FA --mojo-platform-channel-handle=2632 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3248

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4700

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
024cd9b4ee02ac7271d9db7678e22a1d

SHA1
930ac7359fdbbee9f53987704781df826491debf

SHA256
e4ec0473f3dd3104cec7cc7a2f0ccbe9704849d81cc637dd4fbe94bea37e0cc0

SHA512
f97fbb1d64680c6f22d1202f72ec17e9b2ac5321f2e2e2379d1afa52bb21adb8f089d64320d17ca7c3bc1555f28fe69aaeea25d2bb5c762b239c1eaab314c056

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