35bd2c88b6d0fbc8853e6526f0b86f046f6a496881a4a74b4b149fedda3afba6

Analysis

max time kernel
144s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
26/01/2024, 14:17

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General

Target

779480a2a1c79f069a5ac229d9443c99.pdf
Size

87KB
MD5

779480a2a1c79f069a5ac229d9443c99
SHA1

560320ecea5ab6e867c23c30b0b8483da24b6c38
SHA256

35bd2c88b6d0fbc8853e6526f0b86f046f6a496881a4a74b4b149fedda3afba6
SHA512

d26ed851627dc9c8e2c0c7022a095e356f680bfdd9677a33484eea05766727bab6ccefd4c61388cf0651d3c9a9b240f31781bb8012962dd8992f05df307c276f
SSDEEP

1536:sGLwtBK/C5G4rPVDDq5WoitB2wtTYF70OEOiiDTEMayWYj8GAfauQnWBW8pO7bpj:jLMBKqRtdo2g7ZuMaNfZQnW479

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
4752	AcroRd32.exe
4752	AcroRd32.exe
4752	AcroRd32.exe
4752	AcroRd32.exe
4752	AcroRd32.exe
4752	AcroRd32.exe
4752	AcroRd32.exe
4752	AcroRd32.exe
4752	AcroRd32.exe
4752	AcroRd32.exe
4752	AcroRd32.exe
4752	AcroRd32.exe
4752	AcroRd32.exe
4752	AcroRd32.exe
4752	AcroRd32.exe
4752	AcroRd32.exe
4752	AcroRd32.exe
4752	AcroRd32.exe
4752	AcroRd32.exe
4752	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4752	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4752	AcroRd32.exe
4752	AcroRd32.exe
4752	AcroRd32.exe
4752	AcroRd32.exe
4752	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4752 wrote to memory of 5056	4752	AcroRd32.exe	92
PID 4752 wrote to memory of 5056	4752	AcroRd32.exe	92
PID 4752 wrote to memory of 5056	4752	AcroRd32.exe	92
PID 5056 wrote to memory of 2744	5056	RdrCEF.exe	96
PID 5056 wrote to memory of 2744	5056	RdrCEF.exe	96
PID 5056 wrote to memory of 2744	5056	RdrCEF.exe	96
PID 5056 wrote to memory of 2744	5056	RdrCEF.exe	96
PID 5056 wrote to memory of 2744	5056	RdrCEF.exe	96
PID 5056 wrote to memory of 2744	5056	RdrCEF.exe	96
PID 5056 wrote to memory of 2744	5056	RdrCEF.exe	96
PID 5056 wrote to memory of 2744	5056	RdrCEF.exe	96
PID 5056 wrote to memory of 2744	5056	RdrCEF.exe	96
PID 5056 wrote to memory of 2744	5056	RdrCEF.exe	96
PID 5056 wrote to memory of 2744	5056	RdrCEF.exe	96
PID 5056 wrote to memory of 2744	5056	RdrCEF.exe	96
PID 5056 wrote to memory of 2744	5056	RdrCEF.exe	96
PID 5056 wrote to memory of 2744	5056	RdrCEF.exe	96
PID 5056 wrote to memory of 2744	5056	RdrCEF.exe	96
PID 5056 wrote to memory of 2744	5056	RdrCEF.exe	96
PID 5056 wrote to memory of 2744	5056	RdrCEF.exe	96
PID 5056 wrote to memory of 2744	5056	RdrCEF.exe	96
PID 5056 wrote to memory of 2744	5056	RdrCEF.exe	96
PID 5056 wrote to memory of 2744	5056	RdrCEF.exe	96
PID 5056 wrote to memory of 2744	5056	RdrCEF.exe	96
PID 5056 wrote to memory of 2744	5056	RdrCEF.exe	96
PID 5056 wrote to memory of 2744	5056	RdrCEF.exe	96
PID 5056 wrote to memory of 2744	5056	RdrCEF.exe	96
PID 5056 wrote to memory of 2744	5056	RdrCEF.exe	96
PID 5056 wrote to memory of 2744	5056	RdrCEF.exe	96
PID 5056 wrote to memory of 2744	5056	RdrCEF.exe	96
PID 5056 wrote to memory of 2744	5056	RdrCEF.exe	96
PID 5056 wrote to memory of 2744	5056	RdrCEF.exe	96
PID 5056 wrote to memory of 2744	5056	RdrCEF.exe	96
PID 5056 wrote to memory of 2744	5056	RdrCEF.exe	96
PID 5056 wrote to memory of 2744	5056	RdrCEF.exe	96
PID 5056 wrote to memory of 2744	5056	RdrCEF.exe	96
PID 5056 wrote to memory of 2744	5056	RdrCEF.exe	96
PID 5056 wrote to memory of 2744	5056	RdrCEF.exe	96
PID 5056 wrote to memory of 2744	5056	RdrCEF.exe	96
PID 5056 wrote to memory of 2744	5056	RdrCEF.exe	96
PID 5056 wrote to memory of 2744	5056	RdrCEF.exe	96
PID 5056 wrote to memory of 2744	5056	RdrCEF.exe	96
PID 5056 wrote to memory of 2744	5056	RdrCEF.exe	96
PID 5056 wrote to memory of 2744	5056	RdrCEF.exe	96
PID 5056 wrote to memory of 3948	5056	RdrCEF.exe	95
PID 5056 wrote to memory of 3948	5056	RdrCEF.exe	95
PID 5056 wrote to memory of 3948	5056	RdrCEF.exe	95
PID 5056 wrote to memory of 3948	5056	RdrCEF.exe	95
PID 5056 wrote to memory of 3948	5056	RdrCEF.exe	95
PID 5056 wrote to memory of 3948	5056	RdrCEF.exe	95
PID 5056 wrote to memory of 3948	5056	RdrCEF.exe	95
PID 5056 wrote to memory of 3948	5056	RdrCEF.exe	95
PID 5056 wrote to memory of 3948	5056	RdrCEF.exe	95
PID 5056 wrote to memory of 3948	5056	RdrCEF.exe	95
PID 5056 wrote to memory of 3948	5056	RdrCEF.exe	95
PID 5056 wrote to memory of 3948	5056	RdrCEF.exe	95
PID 5056 wrote to memory of 3948	5056	RdrCEF.exe	95
PID 5056 wrote to memory of 3948	5056	RdrCEF.exe	95
PID 5056 wrote to memory of 3948	5056	RdrCEF.exe	95
PID 5056 wrote to memory of 3948	5056	RdrCEF.exe	95
PID 5056 wrote to memory of 3948	5056	RdrCEF.exe	95
PID 5056 wrote to memory of 3948	5056	RdrCEF.exe	95
PID 5056 wrote to memory of 3948	5056	RdrCEF.exe	95
PID 5056 wrote to memory of 3948	5056	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\779480a2a1c79f069a5ac229d9443c99.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:4752
- 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:5056
- - 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=AE9F6EBC6BA4FC62807C0D0D06140D69 --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=AE9F6EBC6BA4FC62807C0D0D06140D69 --renderer-client-id=2 --mojo-platform-channel-handle=1804 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3948
- - 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=E285CF63BA45F0A458D42A7E63F7F14E --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2744
- - 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=EA272B2C2B881A206B517965BB51F3A4 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4628
- - 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=5E7DCF23ED0B2A5857FCCC0F4A3713B4 --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=5E7DCF23ED0B2A5857FCCC0F4A3713B4 --renderer-client-id=5 --mojo-platform-channel-handle=1956 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5848
- - 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=188485EBE422865FC6262C5D742E434F --mojo-platform-channel-handle=2452 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3996
- - 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=4B7DAF584D298C2F41FB0033452F31EA --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3096

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1932

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
3628afc7af1588b0d7c6cb0c558d3b6f

SHA1
3309fbe1204f527e699bd740d59e33b2507dd2b3

SHA256
b4829c454865377438d9d7418d4e85cea94ed0c9be48951ae25579ef7a436060

SHA512
538af7205c7e5e22fc33354cb05b575348131a5dc10bcff4254e37e91db8bdce2791eac2236072192b3d54e8744202d0fbf3fce2249a65b90e6844afac5c2c97

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/4752-27-0x000000000C410000-0x000000000C431000-memory.dmp

Filesize
132KB

Download