6f0ca57138d219ff82455d4dc8bb21ad0b841ef318cc8135c2eb95ab3974f203

Analysis

max time kernel
141s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
23/10/2023, 18:37

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General

Target

NEAS.4acdbb0610918171537c43acb7678b90_JC.pdf
Size

69KB
MD5

4acdbb0610918171537c43acb7678b90
SHA1

2633da452d2442f8a6fe9f564805650b101d740a
SHA256

6f0ca57138d219ff82455d4dc8bb21ad0b841ef318cc8135c2eb95ab3974f203
SHA512

f9bd615231bbc92fbc49e2f433e48f919a8b6ee4e7587b69220aa8d598875215c4313be09ed206beeaf29a3c5cb407a947f26c6b516afdfa43bf42f2bfa6708c
SSDEEP

1536:/dqGVLo8u4ROtfLm9TnOXCgDF2222WD0AR9jm7:/dqGVkAAtyOyus4AR9a7

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-1-5-21-1114462139-3090196418-29517368-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4620	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe
4620	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4620 wrote to memory of 1964	4620	AcroRd32.exe	84
PID 4620 wrote to memory of 1964	4620	AcroRd32.exe	84
PID 4620 wrote to memory of 1964	4620	AcroRd32.exe	84
PID 1964 wrote to memory of 3776	1964	RdrCEF.exe	85
PID 1964 wrote to memory of 3776	1964	RdrCEF.exe	85
PID 1964 wrote to memory of 3776	1964	RdrCEF.exe	85
PID 1964 wrote to memory of 3776	1964	RdrCEF.exe	85
PID 1964 wrote to memory of 3776	1964	RdrCEF.exe	85
PID 1964 wrote to memory of 3776	1964	RdrCEF.exe	85
PID 1964 wrote to memory of 3776	1964	RdrCEF.exe	85
PID 1964 wrote to memory of 3776	1964	RdrCEF.exe	85
PID 1964 wrote to memory of 3776	1964	RdrCEF.exe	85
PID 1964 wrote to memory of 3776	1964	RdrCEF.exe	85
PID 1964 wrote to memory of 3776	1964	RdrCEF.exe	85
PID 1964 wrote to memory of 3776	1964	RdrCEF.exe	85
PID 1964 wrote to memory of 3776	1964	RdrCEF.exe	85
PID 1964 wrote to memory of 3776	1964	RdrCEF.exe	85
PID 1964 wrote to memory of 3776	1964	RdrCEF.exe	85
PID 1964 wrote to memory of 3776	1964	RdrCEF.exe	85
PID 1964 wrote to memory of 3776	1964	RdrCEF.exe	85
PID 1964 wrote to memory of 3776	1964	RdrCEF.exe	85
PID 1964 wrote to memory of 3776	1964	RdrCEF.exe	85
PID 1964 wrote to memory of 3776	1964	RdrCEF.exe	85
PID 1964 wrote to memory of 3776	1964	RdrCEF.exe	85
PID 1964 wrote to memory of 3776	1964	RdrCEF.exe	85
PID 1964 wrote to memory of 3776	1964	RdrCEF.exe	85
PID 1964 wrote to memory of 3776	1964	RdrCEF.exe	85
PID 1964 wrote to memory of 3776	1964	RdrCEF.exe	85
PID 1964 wrote to memory of 3776	1964	RdrCEF.exe	85
PID 1964 wrote to memory of 3776	1964	RdrCEF.exe	85
PID 1964 wrote to memory of 3776	1964	RdrCEF.exe	85
PID 1964 wrote to memory of 3776	1964	RdrCEF.exe	85
PID 1964 wrote to memory of 3776	1964	RdrCEF.exe	85
PID 1964 wrote to memory of 3776	1964	RdrCEF.exe	85
PID 1964 wrote to memory of 3776	1964	RdrCEF.exe	85
PID 1964 wrote to memory of 3776	1964	RdrCEF.exe	85
PID 1964 wrote to memory of 3776	1964	RdrCEF.exe	85
PID 1964 wrote to memory of 3776	1964	RdrCEF.exe	85
PID 1964 wrote to memory of 3776	1964	RdrCEF.exe	85
PID 1964 wrote to memory of 3776	1964	RdrCEF.exe	85
PID 1964 wrote to memory of 3776	1964	RdrCEF.exe	85
PID 1964 wrote to memory of 3776	1964	RdrCEF.exe	85
PID 1964 wrote to memory of 3776	1964	RdrCEF.exe	85
PID 1964 wrote to memory of 3776	1964	RdrCEF.exe	85
PID 1964 wrote to memory of 2924	1964	RdrCEF.exe	86
PID 1964 wrote to memory of 2924	1964	RdrCEF.exe	86
PID 1964 wrote to memory of 2924	1964	RdrCEF.exe	86
PID 1964 wrote to memory of 2924	1964	RdrCEF.exe	86
PID 1964 wrote to memory of 2924	1964	RdrCEF.exe	86
PID 1964 wrote to memory of 2924	1964	RdrCEF.exe	86
PID 1964 wrote to memory of 2924	1964	RdrCEF.exe	86
PID 1964 wrote to memory of 2924	1964	RdrCEF.exe	86
PID 1964 wrote to memory of 2924	1964	RdrCEF.exe	86
PID 1964 wrote to memory of 2924	1964	RdrCEF.exe	86
PID 1964 wrote to memory of 2924	1964	RdrCEF.exe	86
PID 1964 wrote to memory of 2924	1964	RdrCEF.exe	86
PID 1964 wrote to memory of 2924	1964	RdrCEF.exe	86
PID 1964 wrote to memory of 2924	1964	RdrCEF.exe	86
PID 1964 wrote to memory of 2924	1964	RdrCEF.exe	86
PID 1964 wrote to memory of 2924	1964	RdrCEF.exe	86
PID 1964 wrote to memory of 2924	1964	RdrCEF.exe	86
PID 1964 wrote to memory of 2924	1964	RdrCEF.exe	86
PID 1964 wrote to memory of 2924	1964	RdrCEF.exe	86
PID 1964 wrote to memory of 2924	1964	RdrCEF.exe	86

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\NEAS.4acdbb0610918171537c43acb7678b90_JC.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:4620
- 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:1964
- - 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=231E0C79CB507CADF8FD6B30C0C59DDE --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3776
- - 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=4F99D25246E4D361931407BA3100FB6B --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=4F99D25246E4D361931407BA3100FB6B --renderer-client-id=2 --mojo-platform-channel-handle=1820 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2924
- - 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=1509A1A67B4C4909A119E685A6BC6FB1 --mojo-platform-channel-handle=2296 --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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=CDBE63826520D227B58FAB5E2F586B28 --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=CDBE63826520D227B58FAB5E2F586B28 --renderer-client-id=5 --mojo-platform-channel-handle=2420 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:756
- - 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=6F2F68C9408C49EEE1972D4C177F01D9 --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4612
- - 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=0F879121510444722A5142F9CA44328F --mojo-platform-channel-handle=2432 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3516

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1464

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
10a0c5eec014629184f4333e1d83ff4a

SHA1
1b356dae3f9c5196387240399b2d3125a9dfa246

SHA256
fe374d55985a1c292d5949797987e590cd12b15728184eb9c5a62df2fe1a7137

SHA512
c1d6c7dbbefd6e91a2aaa95bbf8b4d2dc1d184ef687b54062baacd630d4899a5b65e14a91b73df2d8d996a3af392072d96b2da94ced6d12807c6211da224dbc7

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