a820a647a27075c3d778e18b061099455b1554cba265cbb659280b27ef8d9171

Analysis

max time kernel
148s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 13:42

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General

Target

aa9fd4ba9df01889e7826883bdb6b898.pdf
Size

34KB
MD5

aa9fd4ba9df01889e7826883bdb6b898
SHA1

a8681df9eaef9b38b1c0d114bc85da30d5dbdcec
SHA256

a820a647a27075c3d778e18b061099455b1554cba265cbb659280b27ef8d9171
SHA512

fb57ff8ad6dad90c30cf908ce70f4f730aeedd3264cc98ec1585cf62cc5a277a4401f14a32bb69d93949528285167d9f41c407c8d2bac5c66a198897c2683acd
SSDEEP

768:ISvHkPQi1f4sHWjnJUL0EZa5Mq013p8Wb7LPlllGV5usTXMwNby:/HkbUjJU/a5y13WofmBNby

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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4380	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4380 wrote to memory of 3520	4380	AcroRd32.exe	91
PID 4380 wrote to memory of 3520	4380	AcroRd32.exe	91
PID 4380 wrote to memory of 3520	4380	AcroRd32.exe	91
PID 3520 wrote to memory of 1956	3520	RdrCEF.exe	95
PID 3520 wrote to memory of 1956	3520	RdrCEF.exe	95
PID 3520 wrote to memory of 1956	3520	RdrCEF.exe	95
PID 3520 wrote to memory of 1956	3520	RdrCEF.exe	95
PID 3520 wrote to memory of 1956	3520	RdrCEF.exe	95
PID 3520 wrote to memory of 1956	3520	RdrCEF.exe	95
PID 3520 wrote to memory of 1956	3520	RdrCEF.exe	95
PID 3520 wrote to memory of 1956	3520	RdrCEF.exe	95
PID 3520 wrote to memory of 1956	3520	RdrCEF.exe	95
PID 3520 wrote to memory of 1956	3520	RdrCEF.exe	95
PID 3520 wrote to memory of 1956	3520	RdrCEF.exe	95
PID 3520 wrote to memory of 1956	3520	RdrCEF.exe	95
PID 3520 wrote to memory of 1956	3520	RdrCEF.exe	95
PID 3520 wrote to memory of 1956	3520	RdrCEF.exe	95
PID 3520 wrote to memory of 1956	3520	RdrCEF.exe	95
PID 3520 wrote to memory of 1956	3520	RdrCEF.exe	95
PID 3520 wrote to memory of 1956	3520	RdrCEF.exe	95
PID 3520 wrote to memory of 1956	3520	RdrCEF.exe	95
PID 3520 wrote to memory of 1956	3520	RdrCEF.exe	95
PID 3520 wrote to memory of 1956	3520	RdrCEF.exe	95
PID 3520 wrote to memory of 1956	3520	RdrCEF.exe	95
PID 3520 wrote to memory of 1956	3520	RdrCEF.exe	95
PID 3520 wrote to memory of 1956	3520	RdrCEF.exe	95
PID 3520 wrote to memory of 1956	3520	RdrCEF.exe	95
PID 3520 wrote to memory of 1956	3520	RdrCEF.exe	95
PID 3520 wrote to memory of 1956	3520	RdrCEF.exe	95
PID 3520 wrote to memory of 1956	3520	RdrCEF.exe	95
PID 3520 wrote to memory of 1956	3520	RdrCEF.exe	95
PID 3520 wrote to memory of 1956	3520	RdrCEF.exe	95
PID 3520 wrote to memory of 1956	3520	RdrCEF.exe	95
PID 3520 wrote to memory of 1956	3520	RdrCEF.exe	95
PID 3520 wrote to memory of 1956	3520	RdrCEF.exe	95
PID 3520 wrote to memory of 1956	3520	RdrCEF.exe	95
PID 3520 wrote to memory of 1956	3520	RdrCEF.exe	95
PID 3520 wrote to memory of 1956	3520	RdrCEF.exe	95
PID 3520 wrote to memory of 1956	3520	RdrCEF.exe	95
PID 3520 wrote to memory of 1956	3520	RdrCEF.exe	95
PID 3520 wrote to memory of 1956	3520	RdrCEF.exe	95
PID 3520 wrote to memory of 1956	3520	RdrCEF.exe	95
PID 3520 wrote to memory of 1956	3520	RdrCEF.exe	95
PID 3520 wrote to memory of 1956	3520	RdrCEF.exe	95
PID 3520 wrote to memory of 3704	3520	RdrCEF.exe	94
PID 3520 wrote to memory of 3704	3520	RdrCEF.exe	94
PID 3520 wrote to memory of 3704	3520	RdrCEF.exe	94
PID 3520 wrote to memory of 3704	3520	RdrCEF.exe	94
PID 3520 wrote to memory of 3704	3520	RdrCEF.exe	94
PID 3520 wrote to memory of 3704	3520	RdrCEF.exe	94
PID 3520 wrote to memory of 3704	3520	RdrCEF.exe	94
PID 3520 wrote to memory of 3704	3520	RdrCEF.exe	94
PID 3520 wrote to memory of 3704	3520	RdrCEF.exe	94
PID 3520 wrote to memory of 3704	3520	RdrCEF.exe	94
PID 3520 wrote to memory of 3704	3520	RdrCEF.exe	94
PID 3520 wrote to memory of 3704	3520	RdrCEF.exe	94
PID 3520 wrote to memory of 3704	3520	RdrCEF.exe	94
PID 3520 wrote to memory of 3704	3520	RdrCEF.exe	94
PID 3520 wrote to memory of 3704	3520	RdrCEF.exe	94
PID 3520 wrote to memory of 3704	3520	RdrCEF.exe	94
PID 3520 wrote to memory of 3704	3520	RdrCEF.exe	94
PID 3520 wrote to memory of 3704	3520	RdrCEF.exe	94
PID 3520 wrote to memory of 3704	3520	RdrCEF.exe	94
PID 3520 wrote to memory of 3704	3520	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\aa9fd4ba9df01889e7826883bdb6b898.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:4380
- 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:3520
- - 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=C761C4EE64286A6719D6F763C60E0654 --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=C761C4EE64286A6719D6F763C60E0654 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3704
- - 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=3D84C31D0E26C313200F4FAB65B3AACC --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1956
- - 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=B14BA53B75B6BECB69F66AA22CFCF43A --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:764
- - 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=473B8DF0B9F55B1D132CD2EA8513DE83 --mojo-platform-channel-handle=2332 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2992
- - 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=A59733735A527ECD9BD4FA5596F809DB --mojo-platform-channel-handle=2432 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3148
- - 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=D1852C371B565701194A84ABCC6846F3 --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=D1852C371B565701194A84ABCC6846F3 --renderer-client-id=8 --mojo-platform-channel-handle=2452 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3316

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3716

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

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Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
d9f094ced3c5c15a6cabc92266ba8b46

SHA1
e2fa88881185e132966d953d7cbea6a6b8dd9f59

SHA256
9b2893e75ed7be2ce6dc7dde9d50f4cc23c80ec1c31bd980150fc0a80daa7730

SHA512
fb6a10a8c725cb0c8963cddcf7ab071c9db7a97c1f26d5435e14ad5666a46a872e322ee7f1a0edcdad5f88089d387e08ee9686c170ff942c0ad00a905b533056

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
c26ed30e7d5ab440480838636efc41db

SHA1
c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591

SHA256
6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef

SHA512
96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
memory/4380-26-0x000000000A090000-0x000000000A0E0000-memory.dmp

Filesize
320KB

Download