3797fe61f4bcbc84baaf82ff0dd5288c47e1ebbb1ee01794ed7b4cdfc2fdbd78

Analysis

max time kernel
150s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
06/03/2024, 01:47

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General

Target

b6354795a211af7d5840474a24d018f8.pdf
Size

73KB
MD5

b6354795a211af7d5840474a24d018f8
SHA1

05b018d2fc4f417f28bafc45f205c291fdf38247
SHA256

3797fe61f4bcbc84baaf82ff0dd5288c47e1ebbb1ee01794ed7b4cdfc2fdbd78
SHA512

793e897192a2f9b97479b5cc532470ac9a3d047d59e7b5b266c97fcb80db3fd8babaed22e0eb9a81ece196ac8ba9c7efcaf3a5c87ebe1cd3ad89bfe843338309
SSDEEP

1536:jSAeCrT8+oXBCLnbZHMclLe7hku5evbDS5hJBIWyFd8L5fiBouGo:2ErTgXMb9whknS5yrYtCou

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-1-5-21-2727153400-192325109-1870347593-1000\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 5 IoCs

pid	Process
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 3980	1036	AcroRd32.exe	92
PID 1036 wrote to memory of 3980	1036	AcroRd32.exe	92
PID 1036 wrote to memory of 3980	1036	AcroRd32.exe	92
PID 3980 wrote to memory of 4864	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 4864	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 4864	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 4864	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 4864	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 4864	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 4864	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 4864	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 4864	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 4864	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 4864	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 4864	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 4864	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 4864	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 4864	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 4864	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 4864	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 4864	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 4864	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 4864	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 4864	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 4864	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 4864	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 4864	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 4864	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 4864	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 4864	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 4864	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 4864	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 4864	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 4864	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 4864	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 4864	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 4864	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 4864	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 4864	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 4864	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 4864	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 4864	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 4864	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 4864	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 4864	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 4864	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 4516	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 4516	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 4516	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 4516	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 4516	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 4516	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 4516	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 4516	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 4516	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 4516	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 4516	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 4516	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 4516	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 4516	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 4516	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 4516	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 4516	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 4516	3980	RdrCEF.exe	94

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\b6354795a211af7d5840474a24d018f8.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:3980
- - 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=7049693574D1C806457E8FA91FAB3183 --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=7049693574D1C806457E8FA91FAB3183 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4864
- - 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=0CE15F686604CB23A485ADB886C6430A --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4516
- - 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=63DB593A7877A0F7E1126CA9C7C9AEBA --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=63DB593A7877A0F7E1126CA9C7C9AEBA --renderer-client-id=4 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:516
- - 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=9148502497E13C09BB8C5759A4A4C404 --mojo-platform-channel-handle=2580 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5028
- - 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=7906C851C34DAD93B0681202A36A829E --mojo-platform-channel-handle=2680 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1912
- - 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=3B81A6D80B33683CDF78709756208717 --mojo-platform-channel-handle=2804 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:940

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1380

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
1b20a805e97d98a5f543577232fbd381

SHA1
0592383a4cc3f4d4e9e71131b1b93dbb8630a206

SHA256
d5157b8dc26b81f8e14feccb6ecc634bf1e0fe0f2cd7d940ead93c6e0b28d646

SHA512
fccc2dec281d74bf2b317e6b4a848be52681e7ea144b28542ea8cc7fa80cf959d57b92095d056f8c90681b5496d2cc3b54a7c1cc26382f7071f7074bc22d4362

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