4a1cea2357071c76bac04642412e923b3f7fe4f09eb2f86b5470fa7bb2c007c0

Analysis

max time kernel
148s
max time network
145s
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 06:34

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General

Target

2bd9dd77c8abb2c67736dd7df6496a19.pdf
Size

74KB
MD5

2bd9dd77c8abb2c67736dd7df6496a19
SHA1

ae4907eebc49509139c3f1bea501fdbd976a37ce
SHA256

4a1cea2357071c76bac04642412e923b3f7fe4f09eb2f86b5470fa7bb2c007c0
SHA512

6a98723b8b0f92f796b3731558d37e4187496c9816a5cea69795d8625f47f62c00700f795dd37d6313cdfbd573a3593dd5a618aaa762a36f9ada7cb9dbc56f05
SSDEEP

1536:mp8DG1V+f7jz30VU66yBBx8SYwEMDc4g64N6VvmLZDjH20jCG+Vw4:9y1KNKBxGEgRNOOdDi0dg

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
880	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 880 wrote to memory of 4676	880	AcroRd32.exe	91
PID 880 wrote to memory of 4676	880	AcroRd32.exe	91
PID 880 wrote to memory of 4676	880	AcroRd32.exe	91
PID 4676 wrote to memory of 3104	4676	RdrCEF.exe	93
PID 4676 wrote to memory of 3104	4676	RdrCEF.exe	93
PID 4676 wrote to memory of 3104	4676	RdrCEF.exe	93
PID 4676 wrote to memory of 3104	4676	RdrCEF.exe	93
PID 4676 wrote to memory of 3104	4676	RdrCEF.exe	93
PID 4676 wrote to memory of 3104	4676	RdrCEF.exe	93
PID 4676 wrote to memory of 3104	4676	RdrCEF.exe	93
PID 4676 wrote to memory of 3104	4676	RdrCEF.exe	93
PID 4676 wrote to memory of 3104	4676	RdrCEF.exe	93
PID 4676 wrote to memory of 3104	4676	RdrCEF.exe	93
PID 4676 wrote to memory of 3104	4676	RdrCEF.exe	93
PID 4676 wrote to memory of 3104	4676	RdrCEF.exe	93
PID 4676 wrote to memory of 3104	4676	RdrCEF.exe	93
PID 4676 wrote to memory of 3104	4676	RdrCEF.exe	93
PID 4676 wrote to memory of 3104	4676	RdrCEF.exe	93
PID 4676 wrote to memory of 3104	4676	RdrCEF.exe	93
PID 4676 wrote to memory of 3104	4676	RdrCEF.exe	93
PID 4676 wrote to memory of 3104	4676	RdrCEF.exe	93
PID 4676 wrote to memory of 3104	4676	RdrCEF.exe	93
PID 4676 wrote to memory of 3104	4676	RdrCEF.exe	93
PID 4676 wrote to memory of 3104	4676	RdrCEF.exe	93
PID 4676 wrote to memory of 3104	4676	RdrCEF.exe	93
PID 4676 wrote to memory of 3104	4676	RdrCEF.exe	93
PID 4676 wrote to memory of 3104	4676	RdrCEF.exe	93
PID 4676 wrote to memory of 3104	4676	RdrCEF.exe	93
PID 4676 wrote to memory of 3104	4676	RdrCEF.exe	93
PID 4676 wrote to memory of 3104	4676	RdrCEF.exe	93
PID 4676 wrote to memory of 3104	4676	RdrCEF.exe	93
PID 4676 wrote to memory of 3104	4676	RdrCEF.exe	93
PID 4676 wrote to memory of 3104	4676	RdrCEF.exe	93
PID 4676 wrote to memory of 3104	4676	RdrCEF.exe	93
PID 4676 wrote to memory of 3104	4676	RdrCEF.exe	93
PID 4676 wrote to memory of 3104	4676	RdrCEF.exe	93
PID 4676 wrote to memory of 3104	4676	RdrCEF.exe	93
PID 4676 wrote to memory of 3104	4676	RdrCEF.exe	93
PID 4676 wrote to memory of 3104	4676	RdrCEF.exe	93
PID 4676 wrote to memory of 3104	4676	RdrCEF.exe	93
PID 4676 wrote to memory of 3104	4676	RdrCEF.exe	93
PID 4676 wrote to memory of 3104	4676	RdrCEF.exe	93
PID 4676 wrote to memory of 3104	4676	RdrCEF.exe	93
PID 4676 wrote to memory of 3104	4676	RdrCEF.exe	93
PID 4676 wrote to memory of 2400	4676	RdrCEF.exe	92
PID 4676 wrote to memory of 2400	4676	RdrCEF.exe	92
PID 4676 wrote to memory of 2400	4676	RdrCEF.exe	92
PID 4676 wrote to memory of 2400	4676	RdrCEF.exe	92
PID 4676 wrote to memory of 2400	4676	RdrCEF.exe	92
PID 4676 wrote to memory of 2400	4676	RdrCEF.exe	92
PID 4676 wrote to memory of 2400	4676	RdrCEF.exe	92
PID 4676 wrote to memory of 2400	4676	RdrCEF.exe	92
PID 4676 wrote to memory of 2400	4676	RdrCEF.exe	92
PID 4676 wrote to memory of 2400	4676	RdrCEF.exe	92
PID 4676 wrote to memory of 2400	4676	RdrCEF.exe	92
PID 4676 wrote to memory of 2400	4676	RdrCEF.exe	92
PID 4676 wrote to memory of 2400	4676	RdrCEF.exe	92
PID 4676 wrote to memory of 2400	4676	RdrCEF.exe	92
PID 4676 wrote to memory of 2400	4676	RdrCEF.exe	92
PID 4676 wrote to memory of 2400	4676	RdrCEF.exe	92
PID 4676 wrote to memory of 2400	4676	RdrCEF.exe	92
PID 4676 wrote to memory of 2400	4676	RdrCEF.exe	92
PID 4676 wrote to memory of 2400	4676	RdrCEF.exe	92
PID 4676 wrote to memory of 2400	4676	RdrCEF.exe	92

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\2bd9dd77c8abb2c67736dd7df6496a19.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:880
- 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:4676
- - 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=920A30398231C353E485BAF132FF9703 --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=920A30398231C353E485BAF132FF9703 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2400
- - 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=B26F380B7D450E5281387A13C3BEA8D9 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3104
- - 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=29213E58D00423CE2A173E774F8A71D8 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1828
- - 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=932FF7E0A204BB12E2ABFEC22A0B9F95 --mojo-platform-channel-handle=1880 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    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=FE9E82A0ED7A0C453975E732C041F424 --mojo-platform-channel-handle=2428 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:6132
- - 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=6E6DF24A158294CD721E717D6D62281E --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=6E6DF24A158294CD721E717D6D62281E --renderer-client-id=8 --mojo-platform-channel-handle=2352 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:6048

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2448

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
e3f36f1558efce585db305d845ca1f98

SHA1
8fd35edafba92131b4e0597239bfa511927c86f9

SHA256
7c5675cbf236ef0f1921b9fb495a977d475b7ac9d67fa537fa43e6e775a9b8cc

SHA512
d86bc374b1438ebade6b1cfd9d83371d47fa2bb3d249b735ac61321da5f68e1262153b22bad8ddffdb68b02d47c2698111a2d000b4eb4e8d155eaa2989d2710a

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