15825d7935b09ea6ded90ac69738f8462f23b3745b5c07d4d348082e81ed6aa0

Analysis

max time kernel
144s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26/01/2024, 07:16

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General

Target

76b8c036b4f1d69ff5aa29e163f13b76.pdf
Size

79KB
MD5

76b8c036b4f1d69ff5aa29e163f13b76
SHA1

8ec7fdc9b548742142500e46ba0347edb99bfe31
SHA256

15825d7935b09ea6ded90ac69738f8462f23b3745b5c07d4d348082e81ed6aa0
SHA512

6730aae9fe2976f9206e43c07060bf2727277560877688a1cfe3dea0861d9c82ca8e8fa682f3703bd71b80255f7e770d59a39be9189294b4ad1ae8e9a0600963
SSDEEP

1536:Om39SjdHjt2Cl4Amfr4nAK8FS+D4u7hHKT9vYsOSWw:13UjVjt96LfrLK8FS+tdKBvYsOU

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-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2456	AcroRd32.exe
2456	AcroRd32.exe
2456	AcroRd32.exe
2456	AcroRd32.exe
2456	AcroRd32.exe
2456	AcroRd32.exe
2456	AcroRd32.exe
2456	AcroRd32.exe
2456	AcroRd32.exe
2456	AcroRd32.exe
2456	AcroRd32.exe
2456	AcroRd32.exe
2456	AcroRd32.exe
2456	AcroRd32.exe
2456	AcroRd32.exe
2456	AcroRd32.exe
2456	AcroRd32.exe
2456	AcroRd32.exe
2456	AcroRd32.exe
2456	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2456	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2456	AcroRd32.exe
2456	AcroRd32.exe
2456	AcroRd32.exe
2456	AcroRd32.exe
2456	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2456 wrote to memory of 820	2456	AcroRd32.exe	91
PID 2456 wrote to memory of 820	2456	AcroRd32.exe	91
PID 2456 wrote to memory of 820	2456	AcroRd32.exe	91
PID 820 wrote to memory of 1884	820	RdrCEF.exe	92
PID 820 wrote to memory of 1884	820	RdrCEF.exe	92
PID 820 wrote to memory of 1884	820	RdrCEF.exe	92
PID 820 wrote to memory of 1884	820	RdrCEF.exe	92
PID 820 wrote to memory of 1884	820	RdrCEF.exe	92
PID 820 wrote to memory of 1884	820	RdrCEF.exe	92
PID 820 wrote to memory of 1884	820	RdrCEF.exe	92
PID 820 wrote to memory of 1884	820	RdrCEF.exe	92
PID 820 wrote to memory of 1884	820	RdrCEF.exe	92
PID 820 wrote to memory of 1884	820	RdrCEF.exe	92
PID 820 wrote to memory of 1884	820	RdrCEF.exe	92
PID 820 wrote to memory of 1884	820	RdrCEF.exe	92
PID 820 wrote to memory of 1884	820	RdrCEF.exe	92
PID 820 wrote to memory of 1884	820	RdrCEF.exe	92
PID 820 wrote to memory of 1884	820	RdrCEF.exe	92
PID 820 wrote to memory of 1884	820	RdrCEF.exe	92
PID 820 wrote to memory of 1884	820	RdrCEF.exe	92
PID 820 wrote to memory of 1884	820	RdrCEF.exe	92
PID 820 wrote to memory of 1884	820	RdrCEF.exe	92
PID 820 wrote to memory of 1884	820	RdrCEF.exe	92
PID 820 wrote to memory of 1884	820	RdrCEF.exe	92
PID 820 wrote to memory of 1884	820	RdrCEF.exe	92
PID 820 wrote to memory of 1884	820	RdrCEF.exe	92
PID 820 wrote to memory of 1884	820	RdrCEF.exe	92
PID 820 wrote to memory of 1884	820	RdrCEF.exe	92
PID 820 wrote to memory of 1884	820	RdrCEF.exe	92
PID 820 wrote to memory of 1884	820	RdrCEF.exe	92
PID 820 wrote to memory of 1884	820	RdrCEF.exe	92
PID 820 wrote to memory of 1884	820	RdrCEF.exe	92
PID 820 wrote to memory of 1884	820	RdrCEF.exe	92
PID 820 wrote to memory of 1884	820	RdrCEF.exe	92
PID 820 wrote to memory of 1884	820	RdrCEF.exe	92
PID 820 wrote to memory of 1884	820	RdrCEF.exe	92
PID 820 wrote to memory of 1884	820	RdrCEF.exe	92
PID 820 wrote to memory of 1884	820	RdrCEF.exe	92
PID 820 wrote to memory of 1884	820	RdrCEF.exe	92
PID 820 wrote to memory of 1884	820	RdrCEF.exe	92
PID 820 wrote to memory of 1884	820	RdrCEF.exe	92
PID 820 wrote to memory of 1884	820	RdrCEF.exe	92
PID 820 wrote to memory of 1884	820	RdrCEF.exe	92
PID 820 wrote to memory of 1884	820	RdrCEF.exe	92
PID 820 wrote to memory of 5048	820	RdrCEF.exe	93
PID 820 wrote to memory of 5048	820	RdrCEF.exe	93
PID 820 wrote to memory of 5048	820	RdrCEF.exe	93
PID 820 wrote to memory of 5048	820	RdrCEF.exe	93
PID 820 wrote to memory of 5048	820	RdrCEF.exe	93
PID 820 wrote to memory of 5048	820	RdrCEF.exe	93
PID 820 wrote to memory of 5048	820	RdrCEF.exe	93
PID 820 wrote to memory of 5048	820	RdrCEF.exe	93
PID 820 wrote to memory of 5048	820	RdrCEF.exe	93
PID 820 wrote to memory of 5048	820	RdrCEF.exe	93
PID 820 wrote to memory of 5048	820	RdrCEF.exe	93
PID 820 wrote to memory of 5048	820	RdrCEF.exe	93
PID 820 wrote to memory of 5048	820	RdrCEF.exe	93
PID 820 wrote to memory of 5048	820	RdrCEF.exe	93
PID 820 wrote to memory of 5048	820	RdrCEF.exe	93
PID 820 wrote to memory of 5048	820	RdrCEF.exe	93
PID 820 wrote to memory of 5048	820	RdrCEF.exe	93
PID 820 wrote to memory of 5048	820	RdrCEF.exe	93
PID 820 wrote to memory of 5048	820	RdrCEF.exe	93
PID 820 wrote to memory of 5048	820	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\76b8c036b4f1d69ff5aa29e163f13b76.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:2456
- 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:820
- - 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=CCAD3102A8C91E0C9CAFD6CAB9F6FECD --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1884
- - 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=540053078A30880FCFFB413AA73CE864 --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=540053078A30880FCFFB413AA73CE864 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5048
- - 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=E16B873BB93C96584A0469543605B196 --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=E16B873BB93C96584A0469543605B196 --renderer-client-id=4 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3544
- - 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=1C13ABD8CB58ACBFC2EBBE0E865F74A8 --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3740
- - 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=B83B887D55092F79486E8A8EC0BABC5E --mojo-platform-channel-handle=2656 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3144
- - 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=3A43167194FE47B0E1740DC12626FB96 --mojo-platform-channel-handle=1864 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1732

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
15787d3e11a9cf6d0c67951eff787a12

SHA1
62bd6821c584c5398215c2828f44275715349437

SHA256
84bcd3fc82637b9c15deed828a9f172d95197b84115a6de01689d98fa2a61add

SHA512
41b951a9dd617a0a11f62715b342056964d769e32ee679bb21098cb70ab7e318ae63d8fd1e9ba1597399c78a5150501f9f30dfc35175ed75e49ff17b12023023

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
memory/2456-101-0x000000000A9D0000-0x000000000A9F1000-memory.dmp

Filesize
132KB

Download