709be7e8f36cd474324fd1e9ba4a8e4a023d81e1c024717f05034af2d8fcae1b

Analysis

max time kernel
166s
max time network
177s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 02:41

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General

Target

24db01ff1ca898a982a906f26905d25a.pdf
Size

94KB
MD5

24db01ff1ca898a982a906f26905d25a
SHA1

786a095027743690c54186f845193c708751b1c3
SHA256

709be7e8f36cd474324fd1e9ba4a8e4a023d81e1c024717f05034af2d8fcae1b
SHA512

b5f94ff1932afc0909b0323281223654c0aa562cac82d7712a719ed2709b6cf9a3f4623267f7c5a84d5d03586f21551fe46164b8c5c1ae41d22c68e8842eaca8
SSDEEP

1536:D88ef9YkexWSea38pfIA2Q4RNsTdfSeRW7JKmdyDpWGpOKuty5h0qYWAfXMlJJW:w8ef9YkbHP32Q4RNsha6WtKMyDeKutyA

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4176	AcroRd32.exe
4176	AcroRd32.exe
4176	AcroRd32.exe
4176	AcroRd32.exe
4176	AcroRd32.exe
4176	AcroRd32.exe
4176	AcroRd32.exe
4176	AcroRd32.exe
4176	AcroRd32.exe
4176	AcroRd32.exe
4176	AcroRd32.exe
4176	AcroRd32.exe
4176	AcroRd32.exe
4176	AcroRd32.exe
4176	AcroRd32.exe
4176	AcroRd32.exe
4176	AcroRd32.exe
4176	AcroRd32.exe
4176	AcroRd32.exe
4176	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4176	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4176	AcroRd32.exe
4176	AcroRd32.exe
4176	AcroRd32.exe
4176	AcroRd32.exe
4176	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4176 wrote to memory of 4064	4176	AcroRd32.exe	97
PID 4176 wrote to memory of 4064	4176	AcroRd32.exe	97
PID 4176 wrote to memory of 4064	4176	AcroRd32.exe	97
PID 4064 wrote to memory of 4692	4064	RdrCEF.exe	99
PID 4064 wrote to memory of 4692	4064	RdrCEF.exe	99
PID 4064 wrote to memory of 4692	4064	RdrCEF.exe	99
PID 4064 wrote to memory of 4692	4064	RdrCEF.exe	99
PID 4064 wrote to memory of 4692	4064	RdrCEF.exe	99
PID 4064 wrote to memory of 4692	4064	RdrCEF.exe	99
PID 4064 wrote to memory of 4692	4064	RdrCEF.exe	99
PID 4064 wrote to memory of 4692	4064	RdrCEF.exe	99
PID 4064 wrote to memory of 4692	4064	RdrCEF.exe	99
PID 4064 wrote to memory of 4692	4064	RdrCEF.exe	99
PID 4064 wrote to memory of 4692	4064	RdrCEF.exe	99
PID 4064 wrote to memory of 4692	4064	RdrCEF.exe	99
PID 4064 wrote to memory of 4692	4064	RdrCEF.exe	99
PID 4064 wrote to memory of 4692	4064	RdrCEF.exe	99
PID 4064 wrote to memory of 4692	4064	RdrCEF.exe	99
PID 4064 wrote to memory of 4692	4064	RdrCEF.exe	99
PID 4064 wrote to memory of 4692	4064	RdrCEF.exe	99
PID 4064 wrote to memory of 4692	4064	RdrCEF.exe	99
PID 4064 wrote to memory of 4692	4064	RdrCEF.exe	99
PID 4064 wrote to memory of 4692	4064	RdrCEF.exe	99
PID 4064 wrote to memory of 4692	4064	RdrCEF.exe	99
PID 4064 wrote to memory of 4692	4064	RdrCEF.exe	99
PID 4064 wrote to memory of 4692	4064	RdrCEF.exe	99
PID 4064 wrote to memory of 4692	4064	RdrCEF.exe	99
PID 4064 wrote to memory of 4692	4064	RdrCEF.exe	99
PID 4064 wrote to memory of 4692	4064	RdrCEF.exe	99
PID 4064 wrote to memory of 4692	4064	RdrCEF.exe	99
PID 4064 wrote to memory of 4692	4064	RdrCEF.exe	99
PID 4064 wrote to memory of 4692	4064	RdrCEF.exe	99
PID 4064 wrote to memory of 4692	4064	RdrCEF.exe	99
PID 4064 wrote to memory of 4692	4064	RdrCEF.exe	99
PID 4064 wrote to memory of 4692	4064	RdrCEF.exe	99
PID 4064 wrote to memory of 4692	4064	RdrCEF.exe	99
PID 4064 wrote to memory of 4692	4064	RdrCEF.exe	99
PID 4064 wrote to memory of 4692	4064	RdrCEF.exe	99
PID 4064 wrote to memory of 4692	4064	RdrCEF.exe	99
PID 4064 wrote to memory of 4692	4064	RdrCEF.exe	99
PID 4064 wrote to memory of 4692	4064	RdrCEF.exe	99
PID 4064 wrote to memory of 4692	4064	RdrCEF.exe	99
PID 4064 wrote to memory of 4692	4064	RdrCEF.exe	99
PID 4064 wrote to memory of 4692	4064	RdrCEF.exe	99
PID 4064 wrote to memory of 212	4064	RdrCEF.exe	100
PID 4064 wrote to memory of 212	4064	RdrCEF.exe	100
PID 4064 wrote to memory of 212	4064	RdrCEF.exe	100
PID 4064 wrote to memory of 212	4064	RdrCEF.exe	100
PID 4064 wrote to memory of 212	4064	RdrCEF.exe	100
PID 4064 wrote to memory of 212	4064	RdrCEF.exe	100
PID 4064 wrote to memory of 212	4064	RdrCEF.exe	100
PID 4064 wrote to memory of 212	4064	RdrCEF.exe	100
PID 4064 wrote to memory of 212	4064	RdrCEF.exe	100
PID 4064 wrote to memory of 212	4064	RdrCEF.exe	100
PID 4064 wrote to memory of 212	4064	RdrCEF.exe	100
PID 4064 wrote to memory of 212	4064	RdrCEF.exe	100
PID 4064 wrote to memory of 212	4064	RdrCEF.exe	100
PID 4064 wrote to memory of 212	4064	RdrCEF.exe	100
PID 4064 wrote to memory of 212	4064	RdrCEF.exe	100
PID 4064 wrote to memory of 212	4064	RdrCEF.exe	100
PID 4064 wrote to memory of 212	4064	RdrCEF.exe	100
PID 4064 wrote to memory of 212	4064	RdrCEF.exe	100
PID 4064 wrote to memory of 212	4064	RdrCEF.exe	100
PID 4064 wrote to memory of 212	4064	RdrCEF.exe	100

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\24db01ff1ca898a982a906f26905d25a.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:4176
- 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:4064
- - 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=74E1787D366C8F2B86CBB6AA22CDCC7A --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4692
- - 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=84614F5B14BD3E41CD5FB9AB4437D85D --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=84614F5B14BD3E41CD5FB9AB4437D85D --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:212
- - 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=E418061D79B5FDF577030DFD905E8C99 --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=E418061D79B5FDF577030DFD905E8C99 --renderer-client-id=4 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2116
- - 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=D61789C58D5F6A25ED3B417E7CB34C54 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5060
- - 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=BF2A267A60ADA19566916357C976B9A2 --mojo-platform-channel-handle=2688 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4472
- - 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=4F7A68FA823A6C6700717037E18E5680 --mojo-platform-channel-handle=2444 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2124

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
f814b91488747278dc4e498757704c05

SHA1
df24e3f52b6d78b8c102490c205adbb87f44eb5b

SHA256
0fb82b94a3986022e2ef55055613d1b2a7346597dacee0c3a5771e3d9026f581

SHA512
53204c3c26ccd1724a0bf5f06267a086154ee4e7f1f7f8c0aa5caa64692f4b96f8453b60c1c83b61f1a27543e842ff31fc01693856cf4ed5f61f70ebf81996ef

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit