a933a17743b8b0085087a0c262df913e661ca3840b519fa70a72420529575291

Analysis

max time kernel
141s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2023, 11:45

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General

Target

1bbdaf375635fa404793e668b664ce7a.pdf
Size

50KB
MD5

1bbdaf375635fa404793e668b664ce7a
SHA1

3f103078dcce0d7113c5028d29dec088a6bb89ee
SHA256

a933a17743b8b0085087a0c262df913e661ca3840b519fa70a72420529575291
SHA512

08e382f7f5dad8b356265dff6df7b7b8995b4741cbd85f75f21e4ff6b1f805dbf977e010db86f8b55d597e1a951337c009230e0ddf5c7ebe2a658446eab0a5cd
SSDEEP

1536:m/24J2YtK0kh13fkLFtin0GmeUjFa2C1+jAS+BiUlBGhqGs2a:V2hh6vit3BjtCEjD+BQhq92a

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
3736	AcroRd32.exe
3736	AcroRd32.exe
3736	AcroRd32.exe
3736	AcroRd32.exe
3736	AcroRd32.exe
3736	AcroRd32.exe
3736	AcroRd32.exe
3736	AcroRd32.exe
3736	AcroRd32.exe
3736	AcroRd32.exe
3736	AcroRd32.exe
3736	AcroRd32.exe
3736	AcroRd32.exe
3736	AcroRd32.exe
3736	AcroRd32.exe
3736	AcroRd32.exe
3736	AcroRd32.exe
3736	AcroRd32.exe
3736	AcroRd32.exe
3736	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3736	AcroRd32.exe
3736	AcroRd32.exe
3736	AcroRd32.exe
3736	AcroRd32.exe
3736	AcroRd32.exe
3736	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3736 wrote to memory of 1076	3736	AcroRd32.exe	91
PID 3736 wrote to memory of 1076	3736	AcroRd32.exe	91
PID 3736 wrote to memory of 1076	3736	AcroRd32.exe	91
PID 1076 wrote to memory of 4316	1076	RdrCEF.exe	92
PID 1076 wrote to memory of 4316	1076	RdrCEF.exe	92
PID 1076 wrote to memory of 4316	1076	RdrCEF.exe	92
PID 1076 wrote to memory of 4316	1076	RdrCEF.exe	92
PID 1076 wrote to memory of 4316	1076	RdrCEF.exe	92
PID 1076 wrote to memory of 4316	1076	RdrCEF.exe	92
PID 1076 wrote to memory of 4316	1076	RdrCEF.exe	92
PID 1076 wrote to memory of 4316	1076	RdrCEF.exe	92
PID 1076 wrote to memory of 4316	1076	RdrCEF.exe	92
PID 1076 wrote to memory of 4316	1076	RdrCEF.exe	92
PID 1076 wrote to memory of 4316	1076	RdrCEF.exe	92
PID 1076 wrote to memory of 4316	1076	RdrCEF.exe	92
PID 1076 wrote to memory of 4316	1076	RdrCEF.exe	92
PID 1076 wrote to memory of 4316	1076	RdrCEF.exe	92
PID 1076 wrote to memory of 4316	1076	RdrCEF.exe	92
PID 1076 wrote to memory of 4316	1076	RdrCEF.exe	92
PID 1076 wrote to memory of 4316	1076	RdrCEF.exe	92
PID 1076 wrote to memory of 4316	1076	RdrCEF.exe	92
PID 1076 wrote to memory of 4316	1076	RdrCEF.exe	92
PID 1076 wrote to memory of 4316	1076	RdrCEF.exe	92
PID 1076 wrote to memory of 4316	1076	RdrCEF.exe	92
PID 1076 wrote to memory of 4316	1076	RdrCEF.exe	92
PID 1076 wrote to memory of 4316	1076	RdrCEF.exe	92
PID 1076 wrote to memory of 4316	1076	RdrCEF.exe	92
PID 1076 wrote to memory of 4316	1076	RdrCEF.exe	92
PID 1076 wrote to memory of 4316	1076	RdrCEF.exe	92
PID 1076 wrote to memory of 4316	1076	RdrCEF.exe	92
PID 1076 wrote to memory of 4316	1076	RdrCEF.exe	92
PID 1076 wrote to memory of 4316	1076	RdrCEF.exe	92
PID 1076 wrote to memory of 4316	1076	RdrCEF.exe	92
PID 1076 wrote to memory of 4316	1076	RdrCEF.exe	92
PID 1076 wrote to memory of 4316	1076	RdrCEF.exe	92
PID 1076 wrote to memory of 4316	1076	RdrCEF.exe	92
PID 1076 wrote to memory of 4316	1076	RdrCEF.exe	92
PID 1076 wrote to memory of 4316	1076	RdrCEF.exe	92
PID 1076 wrote to memory of 4316	1076	RdrCEF.exe	92
PID 1076 wrote to memory of 4316	1076	RdrCEF.exe	92
PID 1076 wrote to memory of 4316	1076	RdrCEF.exe	92
PID 1076 wrote to memory of 4316	1076	RdrCEF.exe	92
PID 1076 wrote to memory of 4316	1076	RdrCEF.exe	92
PID 1076 wrote to memory of 4316	1076	RdrCEF.exe	92
PID 1076 wrote to memory of 3940	1076	RdrCEF.exe	93
PID 1076 wrote to memory of 3940	1076	RdrCEF.exe	93
PID 1076 wrote to memory of 3940	1076	RdrCEF.exe	93
PID 1076 wrote to memory of 3940	1076	RdrCEF.exe	93
PID 1076 wrote to memory of 3940	1076	RdrCEF.exe	93
PID 1076 wrote to memory of 3940	1076	RdrCEF.exe	93
PID 1076 wrote to memory of 3940	1076	RdrCEF.exe	93
PID 1076 wrote to memory of 3940	1076	RdrCEF.exe	93
PID 1076 wrote to memory of 3940	1076	RdrCEF.exe	93
PID 1076 wrote to memory of 3940	1076	RdrCEF.exe	93
PID 1076 wrote to memory of 3940	1076	RdrCEF.exe	93
PID 1076 wrote to memory of 3940	1076	RdrCEF.exe	93
PID 1076 wrote to memory of 3940	1076	RdrCEF.exe	93
PID 1076 wrote to memory of 3940	1076	RdrCEF.exe	93
PID 1076 wrote to memory of 3940	1076	RdrCEF.exe	93
PID 1076 wrote to memory of 3940	1076	RdrCEF.exe	93
PID 1076 wrote to memory of 3940	1076	RdrCEF.exe	93
PID 1076 wrote to memory of 3940	1076	RdrCEF.exe	93
PID 1076 wrote to memory of 3940	1076	RdrCEF.exe	93
PID 1076 wrote to memory of 3940	1076	RdrCEF.exe	93

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\1bbdaf375635fa404793e668b664ce7a.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3736
- 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:1076
- - 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=4F4A6F9A80569CA7313D0044C0D95B0B --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4316
- - 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=E0E918270066D7B58734268F1F7D4979 --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=E0E918270066D7B58734268F1F7D4979 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3940
- - 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=5787BA0C9163AFCF25D55A257BCFABA5 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2588
- - 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=193AB7E502BC735EC3FD2DBC0084FA3F --mojo-platform-channel-handle=2412 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4736
- - 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=E7DF25106142B0D4C9EAB1F0267E2347 --mojo-platform-channel-handle=2432 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:876

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3764

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
f1b36619c1bbcb03568f7e897044250a

SHA1
3fa44e8c75f8d7dd6e54db7fdf6b69103ae34e6e

SHA256
c0994b5af573f574abf3f894d4fca0389b539b8fe0a6b601639874d405ba1fcc

SHA512
305492a3ba918e57e7342fa3cea5156d3785c221a6013c9881d6504fc9dd1332542433e76df6cd7a19bfc7b1dc93fc273b1ac555aee084690491b8ea5e88f019

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