7879fb0a0213eccde03f4a7d67af6441a8adb0925f1ec64caeeb6eb8757b8e2a

Analysis

max time kernel
148s
max time network
147s
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 02:02

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General

Target

23bd6b1d3abd3d7ba5bee67bae36f8a4.pdf
Size

78KB
MD5

23bd6b1d3abd3d7ba5bee67bae36f8a4
SHA1

dc12f9f2a836fe54bd4f463836d55b3b32799799
SHA256

7879fb0a0213eccde03f4a7d67af6441a8adb0925f1ec64caeeb6eb8757b8e2a
SHA512

fc82ab92c3b065de23e4840fac22a5c57a12f84243349fe1ef8c282ab2dfb2c1d54508ff08232f63205d2aabfecf304c9142f1fb2b571ef282820c7762ae0eaa
SSDEEP

1536:N8J9ssCilwt/Q95dRopqkYHu89MU3b23l4hzgrxC:uJJXlu/+5jo589Mtyhks

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
2312	AcroRd32.exe
2312	AcroRd32.exe
2312	AcroRd32.exe
2312	AcroRd32.exe
2312	AcroRd32.exe
2312	AcroRd32.exe
2312	AcroRd32.exe
2312	AcroRd32.exe
2312	AcroRd32.exe
2312	AcroRd32.exe
2312	AcroRd32.exe
2312	AcroRd32.exe
2312	AcroRd32.exe
2312	AcroRd32.exe
2312	AcroRd32.exe
2312	AcroRd32.exe
2312	AcroRd32.exe
2312	AcroRd32.exe
2312	AcroRd32.exe
2312	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2312	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2312	AcroRd32.exe
2312	AcroRd32.exe
2312	AcroRd32.exe
2312	AcroRd32.exe
2312	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2312 wrote to memory of 4984	2312	AcroRd32.exe	92
PID 2312 wrote to memory of 4984	2312	AcroRd32.exe	92
PID 2312 wrote to memory of 4984	2312	AcroRd32.exe	92
PID 4984 wrote to memory of 1568	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 1568	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 1568	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 1568	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 1568	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 1568	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 1568	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 1568	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 1568	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 1568	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 1568	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 1568	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 1568	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 1568	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 1568	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 1568	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 1568	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 1568	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 1568	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 1568	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 1568	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 1568	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 1568	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 1568	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 1568	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 1568	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 1568	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 1568	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 1568	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 1568	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 1568	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 1568	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 1568	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 1568	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 1568	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 1568	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 1568	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 1568	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 1568	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 1568	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 1568	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 4156	4984	RdrCEF.exe	94
PID 4984 wrote to memory of 4156	4984	RdrCEF.exe	94
PID 4984 wrote to memory of 4156	4984	RdrCEF.exe	94
PID 4984 wrote to memory of 4156	4984	RdrCEF.exe	94
PID 4984 wrote to memory of 4156	4984	RdrCEF.exe	94
PID 4984 wrote to memory of 4156	4984	RdrCEF.exe	94
PID 4984 wrote to memory of 4156	4984	RdrCEF.exe	94
PID 4984 wrote to memory of 4156	4984	RdrCEF.exe	94
PID 4984 wrote to memory of 4156	4984	RdrCEF.exe	94
PID 4984 wrote to memory of 4156	4984	RdrCEF.exe	94
PID 4984 wrote to memory of 4156	4984	RdrCEF.exe	94
PID 4984 wrote to memory of 4156	4984	RdrCEF.exe	94
PID 4984 wrote to memory of 4156	4984	RdrCEF.exe	94
PID 4984 wrote to memory of 4156	4984	RdrCEF.exe	94
PID 4984 wrote to memory of 4156	4984	RdrCEF.exe	94
PID 4984 wrote to memory of 4156	4984	RdrCEF.exe	94
PID 4984 wrote to memory of 4156	4984	RdrCEF.exe	94
PID 4984 wrote to memory of 4156	4984	RdrCEF.exe	94
PID 4984 wrote to memory of 4156	4984	RdrCEF.exe	94
PID 4984 wrote to memory of 4156	4984	RdrCEF.exe	94

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\23bd6b1d3abd3d7ba5bee67bae36f8a4.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:2312
- 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:4984
- - 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=59E2540B9B85411D1EB6A83B109B97CA --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1568
- - 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=50A82813757490A60B78724775BDD483 --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=50A82813757490A60B78724775BDD483 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4156
- - 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=B8777DF0641491B59A7E21FB149DA49B --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4224
- - 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=D7844233EC343DEFBA774911C3A0A69F --mojo-platform-channel-handle=2340 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3956
- - 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=E62CBEBEF51DA5C80FCAD10A0A168153 --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=E62CBEBEF51DA5C80FCAD10A0A168153 --renderer-client-id=6 --mojo-platform-channel-handle=2148 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4268
- - 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=649CF702882404B11F2829AC6DE35477 --mojo-platform-channel-handle=2724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:64

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4232

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
40b4a9699003416478474a69407ef5d2

SHA1
cb0b91f8bba94dae0adef4c90dd5cfbae4b48d36

SHA256
5542934c8e8d2fb2a90ac59f50b9c823201d37d4979f57dd3d1b420b57b49bad

SHA512
6398299b70a03b12113b58a084638542a19bee80f677b96ad016e2891d3d56b24c51820758cc024eb068e95ac0830aba9bf0ce123fa57cf8acd6d3b5c16afbe8

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