50d336ebb215cde624dd0b4457d7b4b8dee62063512c74e95913e6acb6aaa82e

Analysis

max time kernel
141s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
04-02-2024 11:08

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General

Target

8efffa609a101eeb891d50ffa16fd898.pdf
Size

74KB
MD5

8efffa609a101eeb891d50ffa16fd898
SHA1

378de213c01427f21e033ba9af1df4a24a877c90
SHA256

50d336ebb215cde624dd0b4457d7b4b8dee62063512c74e95913e6acb6aaa82e
SHA512

5bd7db40cccaade8134c410661442ee38f6abb9d4fcb3ac5ca355f29b60884a4c7ffe8f058a31bf9399fdce9642507d64b4305a8df307e0189347d552cf37c84
SSDEEP

1536:fRTFprXvmMjLZUqv/Asz0st8QOMrjCXbWPvDwkQEWCpOViTitIoCqg:ZTFdXV/ZUqoA0iOM0WONViTitIP

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
624	AcroRd32.exe
624	AcroRd32.exe
624	AcroRd32.exe
624	AcroRd32.exe
624	AcroRd32.exe
624	AcroRd32.exe
624	AcroRd32.exe
624	AcroRd32.exe
624	AcroRd32.exe
624	AcroRd32.exe
624	AcroRd32.exe
624	AcroRd32.exe
624	AcroRd32.exe
624	AcroRd32.exe
624	AcroRd32.exe
624	AcroRd32.exe
624	AcroRd32.exe
624	AcroRd32.exe
624	AcroRd32.exe
624	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
624	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
624	AcroRd32.exe
624	AcroRd32.exe
624	AcroRd32.exe
624	AcroRd32.exe
624	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 624 wrote to memory of 3392	624	AcroRd32.exe	93
PID 624 wrote to memory of 3392	624	AcroRd32.exe	93
PID 624 wrote to memory of 3392	624	AcroRd32.exe	93
PID 3392 wrote to memory of 2548	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2548	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2548	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2548	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2548	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2548	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2548	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2548	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2548	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2548	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2548	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2548	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2548	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2548	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2548	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2548	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2548	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2548	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2548	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2548	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2548	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2548	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2548	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2548	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2548	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2548	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2548	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2548	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2548	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2548	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2548	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2548	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2548	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2548	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2548	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2548	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2548	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2548	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2548	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2548	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 2548	3392	RdrCEF.exe	94
PID 3392 wrote to memory of 468	3392	RdrCEF.exe	95
PID 3392 wrote to memory of 468	3392	RdrCEF.exe	95
PID 3392 wrote to memory of 468	3392	RdrCEF.exe	95
PID 3392 wrote to memory of 468	3392	RdrCEF.exe	95
PID 3392 wrote to memory of 468	3392	RdrCEF.exe	95
PID 3392 wrote to memory of 468	3392	RdrCEF.exe	95
PID 3392 wrote to memory of 468	3392	RdrCEF.exe	95
PID 3392 wrote to memory of 468	3392	RdrCEF.exe	95
PID 3392 wrote to memory of 468	3392	RdrCEF.exe	95
PID 3392 wrote to memory of 468	3392	RdrCEF.exe	95
PID 3392 wrote to memory of 468	3392	RdrCEF.exe	95
PID 3392 wrote to memory of 468	3392	RdrCEF.exe	95
PID 3392 wrote to memory of 468	3392	RdrCEF.exe	95
PID 3392 wrote to memory of 468	3392	RdrCEF.exe	95
PID 3392 wrote to memory of 468	3392	RdrCEF.exe	95
PID 3392 wrote to memory of 468	3392	RdrCEF.exe	95
PID 3392 wrote to memory of 468	3392	RdrCEF.exe	95
PID 3392 wrote to memory of 468	3392	RdrCEF.exe	95
PID 3392 wrote to memory of 468	3392	RdrCEF.exe	95
PID 3392 wrote to memory of 468	3392	RdrCEF.exe	95

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\8efffa609a101eeb891d50ffa16fd898.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:624
- 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:3392
- - 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=6D5C83BCEB412497391E476D0E80A23F --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2548
- - 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=80511A488B6D9DD04069ABED315CCABE --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=80511A488B6D9DD04069ABED315CCABE --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:468
- - 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=332F87D8725EBAD1AA5978796D436278 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4784
- - 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=04EDC4456B77730F1E547BBE29BC8389 --mojo-platform-channel-handle=2352 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2936
- - 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=2221069C0C13E6AC19EAC755056D86D8 --mojo-platform-channel-handle=2192 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:860
- - 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=8A3329B45AB7234108125ADB46CC6A73 --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=8A3329B45AB7234108125ADB46CC6A73 --renderer-client-id=7 --mojo-platform-channel-handle=2536 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4052

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2740

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
e28ea4f998b2dbfd97f470daa11d7e43

SHA1
8c82f7cf2da6062bd2a9e5a2211793defa30aff4

SHA256
9268e33340b5f1e36972c714af1caf1c0d5de1da059e33afe59ceb21775e62bf

SHA512
394991697e00441b4253ca195f5f8c9e8a067fb956507168c6d9b2af75e38766b57409ec325357c058bee6e0f358a566997be99df17f44801511d308bcf87aed

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