270f13ec3374dd6a066436c38a2d17fb8d3152140df58997356f930efca62d6d

Analysis

max time kernel
147s
max time network
148s
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, 21:43

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General

Target
1d6732745328b51cf85d7df7d8e8ad19.pdf
Size 86KB
Sample231230-1k6pcaecfl
SHA256 270f13ec3374dd6a066436c38a2d17fb8d3152140df58997356f930efca62d6d
MD5 1d6732745328b51cf85d7df7d8e8ad19
SHA1 5233327301eaab63ca3f386f78f91c6b692acd91
SHA512 76b2ebfacd3decd01c0349a3901d0bb9ace454d407de0dcbf8217c6098615e425e0b3697b480c7103a8b14956839c95424c9c0dd63c70c1add581ecf1ecfdbb0
SSDEEP 1536:3v4biT5jEzJhuBb9n2RSEtkOSUDiI6FWHSZ759qauWGpOmTH1:QbiNEznab9OTtfSUDd6mSZ750avmZ
MD5 SHA1 SHA512 SSDEEP

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4140	AcroRd32.exe
4140	AcroRd32.exe
4140	AcroRd32.exe
4140	AcroRd32.exe
4140	AcroRd32.exe
4140	AcroRd32.exe
4140	AcroRd32.exe
4140	AcroRd32.exe
4140	AcroRd32.exe
4140	AcroRd32.exe
4140	AcroRd32.exe
4140	AcroRd32.exe
4140	AcroRd32.exe
4140	AcroRd32.exe
4140	AcroRd32.exe
4140	AcroRd32.exe
4140	AcroRd32.exe
4140	AcroRd32.exe
4140	AcroRd32.exe
4140	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4140	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4140	AcroRd32.exe
4140	AcroRd32.exe
4140	AcroRd32.exe
4140	AcroRd32.exe
4140	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4140 wrote to memory of 760	4140	AcroRd32.exe	94
PID 4140 wrote to memory of 760	4140	AcroRd32.exe	94
PID 4140 wrote to memory of 760	4140	AcroRd32.exe	94
PID 760 wrote to memory of 2864	760	RdrCEF.exe	96
PID 760 wrote to memory of 2864	760	RdrCEF.exe	96
PID 760 wrote to memory of 2864	760	RdrCEF.exe	96
PID 760 wrote to memory of 2864	760	RdrCEF.exe	96
PID 760 wrote to memory of 2864	760	RdrCEF.exe	96
PID 760 wrote to memory of 2864	760	RdrCEF.exe	96
PID 760 wrote to memory of 2864	760	RdrCEF.exe	96
PID 760 wrote to memory of 2864	760	RdrCEF.exe	96
PID 760 wrote to memory of 2864	760	RdrCEF.exe	96
PID 760 wrote to memory of 2864	760	RdrCEF.exe	96
PID 760 wrote to memory of 2864	760	RdrCEF.exe	96
PID 760 wrote to memory of 2864	760	RdrCEF.exe	96
PID 760 wrote to memory of 2864	760	RdrCEF.exe	96
PID 760 wrote to memory of 2864	760	RdrCEF.exe	96
PID 760 wrote to memory of 2864	760	RdrCEF.exe	96
PID 760 wrote to memory of 2864	760	RdrCEF.exe	96
PID 760 wrote to memory of 2864	760	RdrCEF.exe	96
PID 760 wrote to memory of 2864	760	RdrCEF.exe	96
PID 760 wrote to memory of 2864	760	RdrCEF.exe	96
PID 760 wrote to memory of 2864	760	RdrCEF.exe	96
PID 760 wrote to memory of 2864	760	RdrCEF.exe	96
PID 760 wrote to memory of 2864	760	RdrCEF.exe	96
PID 760 wrote to memory of 2864	760	RdrCEF.exe	96
PID 760 wrote to memory of 2864	760	RdrCEF.exe	96
PID 760 wrote to memory of 2864	760	RdrCEF.exe	96
PID 760 wrote to memory of 2864	760	RdrCEF.exe	96
PID 760 wrote to memory of 2864	760	RdrCEF.exe	96
PID 760 wrote to memory of 2864	760	RdrCEF.exe	96
PID 760 wrote to memory of 2864	760	RdrCEF.exe	96
PID 760 wrote to memory of 2864	760	RdrCEF.exe	96
PID 760 wrote to memory of 2864	760	RdrCEF.exe	96
PID 760 wrote to memory of 2864	760	RdrCEF.exe	96
PID 760 wrote to memory of 2864	760	RdrCEF.exe	96
PID 760 wrote to memory of 2864	760	RdrCEF.exe	96
PID 760 wrote to memory of 2864	760	RdrCEF.exe	96
PID 760 wrote to memory of 2864	760	RdrCEF.exe	96
PID 760 wrote to memory of 2864	760	RdrCEF.exe	96
PID 760 wrote to memory of 2864	760	RdrCEF.exe	96
PID 760 wrote to memory of 2864	760	RdrCEF.exe	96
PID 760 wrote to memory of 2864	760	RdrCEF.exe	96
PID 760 wrote to memory of 2864	760	RdrCEF.exe	96
PID 760 wrote to memory of 2752	760	RdrCEF.exe	95
PID 760 wrote to memory of 2752	760	RdrCEF.exe	95
PID 760 wrote to memory of 2752	760	RdrCEF.exe	95
PID 760 wrote to memory of 2752	760	RdrCEF.exe	95
PID 760 wrote to memory of 2752	760	RdrCEF.exe	95
PID 760 wrote to memory of 2752	760	RdrCEF.exe	95
PID 760 wrote to memory of 2752	760	RdrCEF.exe	95
PID 760 wrote to memory of 2752	760	RdrCEF.exe	95
PID 760 wrote to memory of 2752	760	RdrCEF.exe	95
PID 760 wrote to memory of 2752	760	RdrCEF.exe	95
PID 760 wrote to memory of 2752	760	RdrCEF.exe	95
PID 760 wrote to memory of 2752	760	RdrCEF.exe	95
PID 760 wrote to memory of 2752	760	RdrCEF.exe	95
PID 760 wrote to memory of 2752	760	RdrCEF.exe	95
PID 760 wrote to memory of 2752	760	RdrCEF.exe	95
PID 760 wrote to memory of 2752	760	RdrCEF.exe	95
PID 760 wrote to memory of 2752	760	RdrCEF.exe	95
PID 760 wrote to memory of 2752	760	RdrCEF.exe	95
PID 760 wrote to memory of 2752	760	RdrCEF.exe	95
PID 760 wrote to memory of 2752	760	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\1d6732745328b51cf85d7df7d8e8ad19.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:4140
- 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:760
- - 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=3B13A694B84927461457B6463ABB1813 --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=3B13A694B84927461457B6463ABB1813 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2752
- - 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=16DA284D748969B87EE18F6997B3FF91 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2864
- - 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=EA0B8722A7BF6C4512EB5625BF9304E2 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1136
- - 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=0A1E7CFFEB6D349BAC25FC735EAB597E --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:700
- - 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=6B4D68405B20C5AFD350E4C5CB7120EC --mojo-platform-channel-handle=2548 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3988
- - 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=5ED8C47435D64E10E8E99657923C6FC8 --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=5ED8C47435D64E10E8E99657923C6FC8 --renderer-client-id=6 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4804

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4428

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

ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 64KB
SHA256 cd7a01c67e3e5fabec9cce4dd257c08ff7993d745080825aacb99db4026e1c29
MD5 4fec23992159a77fc3a2356d523bcbc7
SHA1 c816bdd2c41dd7a7546ae2378cabdf30566ec063
SHA512 516add503a369b5de76307c8cc415a32c0457c0e325a3a5ccda45b1e0bb9e968222e130c6c68f1857f92728cea02e0e7caa27fdfa61992c1630d4bd397f828b6
SSDEEP 384:yehdThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:4+elZsLQCZsL3hUS4
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 56KB
SHA256 6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef
MD5 c26ed30e7d5ab440480838636efc41db
SHA1 c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591
SHA512 96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df
SSDEEP 192:xedRBsKhTB4p4CitZtkZsLRGVDbw6H3ph+v3YQa9:xe+KhBvkZsLRGlzh+vS9
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 56KB
SHA256 111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
MD5 752a1f26b18748311b691c7d8fc20633
SHA1 c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA512 a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5
SSDEEP 192:wedRBvVrThe4p4/KhTB4p4CitZtkZsLRGVDbw6H3ph+v3YQa9:weZdThkKhBvkZsLRGlzh+vS9
MD5 SHA1 SHA512 SSDEEP

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