fc23cd6f7c0d232d9472942baba8ea73c177b7510fc0704b213c0aa5299456d7

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2023 23:15

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General

Target

1fac2f87f3b6d0df34f9fcc58af71178.pdf
Size

32KB
MD5

1fac2f87f3b6d0df34f9fcc58af71178
SHA1

9f18b8fcde2520ec46aa6dc1910e8ed633482a2b
SHA256

fc23cd6f7c0d232d9472942baba8ea73c177b7510fc0704b213c0aa5299456d7
SHA512

c5ac59e278eecfaccd3b048936fa37269eef5b9abff8d83e0f3fb2a87c536840b1751306150eeef522a82a900d4fd54e4ebb0ff46a8f39c66c621a704c858ffd
SSDEEP

768:WgGzpDeuBG2sxs0qoXN1UV0fWz6DMvYZzEs9E/9kl:DGFSuur4V0rgYZzEUE+l

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4944	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4944 wrote to memory of 1420	4944	AcroRd32.exe	94
PID 4944 wrote to memory of 1420	4944	AcroRd32.exe	94
PID 4944 wrote to memory of 1420	4944	AcroRd32.exe	94
PID 1420 wrote to memory of 3064	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3064	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3064	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3064	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3064	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3064	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3064	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3064	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3064	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3064	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3064	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3064	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3064	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3064	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3064	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3064	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3064	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3064	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3064	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3064	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3064	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3064	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3064	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3064	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3064	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3064	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3064	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3064	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3064	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3064	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3064	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3064	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3064	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3064	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3064	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3064	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3064	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3064	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3064	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3064	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3064	1420	RdrCEF.exe	98
PID 1420 wrote to memory of 3576	1420	RdrCEF.exe	97
PID 1420 wrote to memory of 3576	1420	RdrCEF.exe	97
PID 1420 wrote to memory of 3576	1420	RdrCEF.exe	97
PID 1420 wrote to memory of 3576	1420	RdrCEF.exe	97
PID 1420 wrote to memory of 3576	1420	RdrCEF.exe	97
PID 1420 wrote to memory of 3576	1420	RdrCEF.exe	97
PID 1420 wrote to memory of 3576	1420	RdrCEF.exe	97
PID 1420 wrote to memory of 3576	1420	RdrCEF.exe	97
PID 1420 wrote to memory of 3576	1420	RdrCEF.exe	97
PID 1420 wrote to memory of 3576	1420	RdrCEF.exe	97
PID 1420 wrote to memory of 3576	1420	RdrCEF.exe	97
PID 1420 wrote to memory of 3576	1420	RdrCEF.exe	97
PID 1420 wrote to memory of 3576	1420	RdrCEF.exe	97
PID 1420 wrote to memory of 3576	1420	RdrCEF.exe	97
PID 1420 wrote to memory of 3576	1420	RdrCEF.exe	97
PID 1420 wrote to memory of 3576	1420	RdrCEF.exe	97
PID 1420 wrote to memory of 3576	1420	RdrCEF.exe	97
PID 1420 wrote to memory of 3576	1420	RdrCEF.exe	97
PID 1420 wrote to memory of 3576	1420	RdrCEF.exe	97
PID 1420 wrote to memory of 3576	1420	RdrCEF.exe	97

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\1fac2f87f3b6d0df34f9fcc58af71178.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:4944
- 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:1420
- - 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=EAE6647E6DD6CFB0437A29EBA2AD21D0 --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=EAE6647E6DD6CFB0437A29EBA2AD21D0 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3576
- - 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=049A3A2E81F706A69052069877FDDD56 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3064
- - 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=D8358205810D32915553641833D0C027 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4572
- - 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=198D5534BB2D3324797294DA92B58BA6 --mojo-platform-channel-handle=1944 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1568
- - 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=474E66C5F3D0A9F394A1247D54293321 --mojo-platform-channel-handle=2512 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    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=F2E0A426FAD2C127505E0ED4E2ED004E --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=F2E0A426FAD2C127505E0ED4E2ED004E --renderer-client-id=7 --mojo-platform-channel-handle=2536 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4308

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:848

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
099af488d946612655f5a84b3b28107c

SHA1
0b94fde9caaa2bddc227b1da370ecd31d481b6f8

SHA256
69698226ede4483baf03ff2beb2e6909ec8d6a44d5525ae2715b5c0d2c635f53

SHA512
93e93b8a652f7349835ba7f5ff879818bd525c93ae00c0b0494fd7670c65532ed8c62a9b10d6827379d6ed6da361e05e192532930a70ddfe32fa1162fcafb272

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit