1c98f0f5f3dcfa84804330b4228fe43894612161f985841a895a07590bf043ae

Analysis

max time kernel
141s
max time network
149s
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, 06:19

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General

Target

769ce64e49751134bc4d19082c78f727.pdf
Size

98KB
MD5

769ce64e49751134bc4d19082c78f727
SHA1

5c4a1dacbb31cf46667129e6cb2186c6717b85bf
SHA256

1c98f0f5f3dcfa84804330b4228fe43894612161f985841a895a07590bf043ae
SHA512

2f5a604d7755f572902160fae5b3f15fd1ac43c1771434c671288f5c68d20a9a6dae5e5b877bccc3ec3391a69ebf214968357c592198a9d0cfac901e0b075dec
SSDEEP

3072:wFt5d915kSbMyIzs9m0u7TAMDh+eGvbZ+:itz5kS2037c

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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
848	AcroRd32.exe
848	AcroRd32.exe
848	AcroRd32.exe
848	AcroRd32.exe
848	AcroRd32.exe
848	AcroRd32.exe
848	AcroRd32.exe
848	AcroRd32.exe
848	AcroRd32.exe
848	AcroRd32.exe
848	AcroRd32.exe
848	AcroRd32.exe
848	AcroRd32.exe
848	AcroRd32.exe
848	AcroRd32.exe
848	AcroRd32.exe
848	AcroRd32.exe
848	AcroRd32.exe
848	AcroRd32.exe
848	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
848	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
848	AcroRd32.exe
848	AcroRd32.exe
848	AcroRd32.exe
848	AcroRd32.exe
848	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 848 wrote to memory of 2532	848	AcroRd32.exe	90
PID 848 wrote to memory of 2532	848	AcroRd32.exe	90
PID 848 wrote to memory of 2532	848	AcroRd32.exe	90
PID 2532 wrote to memory of 2940	2532	RdrCEF.exe	93
PID 2532 wrote to memory of 2940	2532	RdrCEF.exe	93
PID 2532 wrote to memory of 2940	2532	RdrCEF.exe	93
PID 2532 wrote to memory of 2940	2532	RdrCEF.exe	93
PID 2532 wrote to memory of 2940	2532	RdrCEF.exe	93
PID 2532 wrote to memory of 2940	2532	RdrCEF.exe	93
PID 2532 wrote to memory of 2940	2532	RdrCEF.exe	93
PID 2532 wrote to memory of 2940	2532	RdrCEF.exe	93
PID 2532 wrote to memory of 2940	2532	RdrCEF.exe	93
PID 2532 wrote to memory of 2940	2532	RdrCEF.exe	93
PID 2532 wrote to memory of 2940	2532	RdrCEF.exe	93
PID 2532 wrote to memory of 2940	2532	RdrCEF.exe	93
PID 2532 wrote to memory of 2940	2532	RdrCEF.exe	93
PID 2532 wrote to memory of 2940	2532	RdrCEF.exe	93
PID 2532 wrote to memory of 2940	2532	RdrCEF.exe	93
PID 2532 wrote to memory of 2940	2532	RdrCEF.exe	93
PID 2532 wrote to memory of 2940	2532	RdrCEF.exe	93
PID 2532 wrote to memory of 2940	2532	RdrCEF.exe	93
PID 2532 wrote to memory of 2940	2532	RdrCEF.exe	93
PID 2532 wrote to memory of 2940	2532	RdrCEF.exe	93
PID 2532 wrote to memory of 2940	2532	RdrCEF.exe	93
PID 2532 wrote to memory of 2940	2532	RdrCEF.exe	93
PID 2532 wrote to memory of 2940	2532	RdrCEF.exe	93
PID 2532 wrote to memory of 2940	2532	RdrCEF.exe	93
PID 2532 wrote to memory of 2940	2532	RdrCEF.exe	93
PID 2532 wrote to memory of 2940	2532	RdrCEF.exe	93
PID 2532 wrote to memory of 2940	2532	RdrCEF.exe	93
PID 2532 wrote to memory of 2940	2532	RdrCEF.exe	93
PID 2532 wrote to memory of 2940	2532	RdrCEF.exe	93
PID 2532 wrote to memory of 2940	2532	RdrCEF.exe	93
PID 2532 wrote to memory of 2940	2532	RdrCEF.exe	93
PID 2532 wrote to memory of 2940	2532	RdrCEF.exe	93
PID 2532 wrote to memory of 2940	2532	RdrCEF.exe	93
PID 2532 wrote to memory of 2940	2532	RdrCEF.exe	93
PID 2532 wrote to memory of 2940	2532	RdrCEF.exe	93
PID 2532 wrote to memory of 2940	2532	RdrCEF.exe	93
PID 2532 wrote to memory of 2940	2532	RdrCEF.exe	93
PID 2532 wrote to memory of 2940	2532	RdrCEF.exe	93
PID 2532 wrote to memory of 2940	2532	RdrCEF.exe	93
PID 2532 wrote to memory of 2940	2532	RdrCEF.exe	93
PID 2532 wrote to memory of 2940	2532	RdrCEF.exe	93
PID 2532 wrote to memory of 208	2532	RdrCEF.exe	94
PID 2532 wrote to memory of 208	2532	RdrCEF.exe	94
PID 2532 wrote to memory of 208	2532	RdrCEF.exe	94
PID 2532 wrote to memory of 208	2532	RdrCEF.exe	94
PID 2532 wrote to memory of 208	2532	RdrCEF.exe	94
PID 2532 wrote to memory of 208	2532	RdrCEF.exe	94
PID 2532 wrote to memory of 208	2532	RdrCEF.exe	94
PID 2532 wrote to memory of 208	2532	RdrCEF.exe	94
PID 2532 wrote to memory of 208	2532	RdrCEF.exe	94
PID 2532 wrote to memory of 208	2532	RdrCEF.exe	94
PID 2532 wrote to memory of 208	2532	RdrCEF.exe	94
PID 2532 wrote to memory of 208	2532	RdrCEF.exe	94
PID 2532 wrote to memory of 208	2532	RdrCEF.exe	94
PID 2532 wrote to memory of 208	2532	RdrCEF.exe	94
PID 2532 wrote to memory of 208	2532	RdrCEF.exe	94
PID 2532 wrote to memory of 208	2532	RdrCEF.exe	94
PID 2532 wrote to memory of 208	2532	RdrCEF.exe	94
PID 2532 wrote to memory of 208	2532	RdrCEF.exe	94
PID 2532 wrote to memory of 208	2532	RdrCEF.exe	94
PID 2532 wrote to memory of 208	2532	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\769ce64e49751134bc4d19082c78f727.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:848
- 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:2532
- - 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=29949F84C9088867E2BF7244058A1ED2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2940
- - 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=5CB3DAEB8697790A7D982026C3F7168D --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=5CB3DAEB8697790A7D982026C3F7168D --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:208
- - 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=A7C6DAF0D5565894867F83B759B2FAD9 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3176
- - 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=6B0D0F2360D37BEA80ED3FE2C04F7F9D --mojo-platform-channel-handle=1924 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2372
- - 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=48D5D8BED9A446029A2F50C78FDD5C56 --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=48D5D8BED9A446029A2F50C78FDD5C56 --renderer-client-id=6 --mojo-platform-channel-handle=2344 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3472
- - 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=3B08A1D09CF822C9F20F0DAE5C7487D7 --mojo-platform-channel-handle=2440 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2032

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4032

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
1a1aef455dc861db175617e9c4d09a0f

SHA1
a7cefb6f392fcc650d6e9d8cff23951d17a20c15

SHA256
4cf8839a472361ce64d50a7398d3361e9fd05f1fb462cb4c14ee0bce44259391

SHA512
235b9d3abdd6db7406547de06d397e33e78329d5c850ce4d345f54069b066625c63d7a07a52f596a1b798cc47e4900267f8a4014cfab83f417b1c1c66e0d5646

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/848-26-0x000000000B7F0000-0x000000000B840000-memory.dmp

Filesize
320KB

Download