bf20acc2691f671e0f7217af2111a1cb33468712f547df6a54b571ddef2047c5

Analysis

max time kernel
140s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
14/03/2023, 23:33

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General

Target

Invoice98759884.pdf
Size

21KB
MD5

048ab7232cd375da7fd3c2a62e6be78b
SHA1

453e3b4aee27d5f2a61b1660ce0022a1be5ee95a
SHA256

bf20acc2691f671e0f7217af2111a1cb33468712f547df6a54b571ddef2047c5
SHA512

40b8b07f1f226c1f547c7f21adf444ab3f3912619612d3ab630b4c2254adb9fc2e575a5b4e4cc429f27f235597ef28173da85aa0db8113f2f26f3e3d6d92ba0b
SSDEEP

384:lNjv2ifrYDe4frpsA7ExKNrSHCUSlZ8472zIpl2x/JTm6N7jCEmqqnzbW2w8CUSN:Xe2cDTFd78w4GZ8OZ6Vo69O+qzy2lC

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-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1036	AcroRd32.exe
1036	AcroRd32.exe
1036	AcroRd32.exe
1036	AcroRd32.exe
1036	AcroRd32.exe
1036	AcroRd32.exe
1036	AcroRd32.exe
1036	AcroRd32.exe
1036	AcroRd32.exe
1036	AcroRd32.exe
1036	AcroRd32.exe
1036	AcroRd32.exe
1036	AcroRd32.exe
1036	AcroRd32.exe
1036	AcroRd32.exe
1036	AcroRd32.exe
1036	AcroRd32.exe
1036	AcroRd32.exe
1036	AcroRd32.exe
1036	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1036	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1036	AcroRd32.exe
1036	AcroRd32.exe
1036	AcroRd32.exe
1036	AcroRd32.exe
1036	AcroRd32.exe
1036	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1036 wrote to memory of 2516	1036	AcroRd32.exe	85
PID 1036 wrote to memory of 2516	1036	AcroRd32.exe	85
PID 1036 wrote to memory of 2516	1036	AcroRd32.exe	85
PID 2516 wrote to memory of 4744	2516	RdrCEF.exe	86
PID 2516 wrote to memory of 4744	2516	RdrCEF.exe	86
PID 2516 wrote to memory of 4744	2516	RdrCEF.exe	86
PID 2516 wrote to memory of 4744	2516	RdrCEF.exe	86
PID 2516 wrote to memory of 4744	2516	RdrCEF.exe	86
PID 2516 wrote to memory of 4744	2516	RdrCEF.exe	86
PID 2516 wrote to memory of 4744	2516	RdrCEF.exe	86
PID 2516 wrote to memory of 4744	2516	RdrCEF.exe	86
PID 2516 wrote to memory of 4744	2516	RdrCEF.exe	86
PID 2516 wrote to memory of 4744	2516	RdrCEF.exe	86
PID 2516 wrote to memory of 4744	2516	RdrCEF.exe	86
PID 2516 wrote to memory of 4744	2516	RdrCEF.exe	86
PID 2516 wrote to memory of 4744	2516	RdrCEF.exe	86
PID 2516 wrote to memory of 4744	2516	RdrCEF.exe	86
PID 2516 wrote to memory of 4744	2516	RdrCEF.exe	86
PID 2516 wrote to memory of 4744	2516	RdrCEF.exe	86
PID 2516 wrote to memory of 4744	2516	RdrCEF.exe	86
PID 2516 wrote to memory of 4744	2516	RdrCEF.exe	86
PID 2516 wrote to memory of 4744	2516	RdrCEF.exe	86
PID 2516 wrote to memory of 4744	2516	RdrCEF.exe	86
PID 2516 wrote to memory of 4744	2516	RdrCEF.exe	86
PID 2516 wrote to memory of 4744	2516	RdrCEF.exe	86
PID 2516 wrote to memory of 4744	2516	RdrCEF.exe	86
PID 2516 wrote to memory of 4744	2516	RdrCEF.exe	86
PID 2516 wrote to memory of 4744	2516	RdrCEF.exe	86
PID 2516 wrote to memory of 4744	2516	RdrCEF.exe	86
PID 2516 wrote to memory of 4744	2516	RdrCEF.exe	86
PID 2516 wrote to memory of 4744	2516	RdrCEF.exe	86
PID 2516 wrote to memory of 4744	2516	RdrCEF.exe	86
PID 2516 wrote to memory of 4744	2516	RdrCEF.exe	86
PID 2516 wrote to memory of 4744	2516	RdrCEF.exe	86
PID 2516 wrote to memory of 4744	2516	RdrCEF.exe	86
PID 2516 wrote to memory of 4744	2516	RdrCEF.exe	86
PID 2516 wrote to memory of 4744	2516	RdrCEF.exe	86
PID 2516 wrote to memory of 4744	2516	RdrCEF.exe	86
PID 2516 wrote to memory of 4744	2516	RdrCEF.exe	86
PID 2516 wrote to memory of 4744	2516	RdrCEF.exe	86
PID 2516 wrote to memory of 4744	2516	RdrCEF.exe	86
PID 2516 wrote to memory of 4744	2516	RdrCEF.exe	86
PID 2516 wrote to memory of 4744	2516	RdrCEF.exe	86
PID 2516 wrote to memory of 4744	2516	RdrCEF.exe	86
PID 2516 wrote to memory of 4832	2516	RdrCEF.exe	87
PID 2516 wrote to memory of 4832	2516	RdrCEF.exe	87
PID 2516 wrote to memory of 4832	2516	RdrCEF.exe	87
PID 2516 wrote to memory of 4832	2516	RdrCEF.exe	87
PID 2516 wrote to memory of 4832	2516	RdrCEF.exe	87
PID 2516 wrote to memory of 4832	2516	RdrCEF.exe	87
PID 2516 wrote to memory of 4832	2516	RdrCEF.exe	87
PID 2516 wrote to memory of 4832	2516	RdrCEF.exe	87
PID 2516 wrote to memory of 4832	2516	RdrCEF.exe	87
PID 2516 wrote to memory of 4832	2516	RdrCEF.exe	87
PID 2516 wrote to memory of 4832	2516	RdrCEF.exe	87
PID 2516 wrote to memory of 4832	2516	RdrCEF.exe	87
PID 2516 wrote to memory of 4832	2516	RdrCEF.exe	87
PID 2516 wrote to memory of 4832	2516	RdrCEF.exe	87
PID 2516 wrote to memory of 4832	2516	RdrCEF.exe	87
PID 2516 wrote to memory of 4832	2516	RdrCEF.exe	87
PID 2516 wrote to memory of 4832	2516	RdrCEF.exe	87
PID 2516 wrote to memory of 4832	2516	RdrCEF.exe	87
PID 2516 wrote to memory of 4832	2516	RdrCEF.exe	87
PID 2516 wrote to memory of 4832	2516	RdrCEF.exe	87

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\Invoice98759884.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:1036
- 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:2516
- - 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=0388981F19734DC9EB48B1868F46BE6B --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4744
- - 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=9A7A617E7EF77B3CE9FB22A295E958D8 --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=9A7A617E7EF77B3CE9FB22A295E958D8 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4832
- - 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=85E1C6F9B05692293DC1D226873B2049 --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=85E1C6F9B05692293DC1D226873B2049 --renderer-client-id=4 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3432
- - 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=1D73349286BF3C474216F9D6D4F6BBF4 --mojo-platform-channel-handle=2340 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4560
- - 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=5A7BEEF699C5B783A39E22F07F22470C --mojo-platform-channel-handle=2604 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3936
- - 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=E88608A6A932F2A1631B4A50B5A6D2A8 --mojo-platform-channel-handle=2684 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1852

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4548

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
d2f3d85d716f6c88c7af38195ce31020

SHA1
f888ffba2fd3ed29203c1919368363ad38494eb3

SHA256
4d7474248f358488171e8e00e49ae11b3a15ffe52077b2b25d896df7cb76c5bc

SHA512
0f32c3071ad90da1caeed89dfcc1b10f424e1af28e182f6ecc16f78b5bc0c79478591130a4370e004ad76cac0c9e22f5e20b8b13d71e85591a8a78e9929a3838

Download Submit