14db43920f0812f330d8b53f1fcfb30e143c10484c858662ba04186d4f54bbae

Analysis

max time kernel
150s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
05/03/2024, 18:26

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General

Target

b55fd3ca0f55c1c6778f1318593ff78f.pdf
Size

80KB
MD5

b55fd3ca0f55c1c6778f1318593ff78f
SHA1

e4f369d3f8bf0155550415ae21ea868fcd5ffabc
SHA256

14db43920f0812f330d8b53f1fcfb30e143c10484c858662ba04186d4f54bbae
SHA512

5684c9a19e821ffea721e1c56eaaa1683e45db701c71a6f1c9602f7aee52bba64f352cf451f6964e8e71688b492649eeb438308efebdcc46f7168989b2b38dd5
SSDEEP

1536:NBo0C0/jERYtD79myNyyomMFZN5H0REiTMHIixC2WDzG5N4kZO9W8pOGEWqPrKk3:lERYtDBmy5CFZbH4E/HvC2WHG5xU4GOD

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-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3108	AcroRd32.exe
3108	AcroRd32.exe
3108	AcroRd32.exe
3108	AcroRd32.exe
3108	AcroRd32.exe
3108	AcroRd32.exe
3108	AcroRd32.exe
3108	AcroRd32.exe
3108	AcroRd32.exe
3108	AcroRd32.exe
3108	AcroRd32.exe
3108	AcroRd32.exe
3108	AcroRd32.exe
3108	AcroRd32.exe
3108	AcroRd32.exe
3108	AcroRd32.exe
3108	AcroRd32.exe
3108	AcroRd32.exe
3108	AcroRd32.exe
3108	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3108	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3108	AcroRd32.exe
3108	AcroRd32.exe
3108	AcroRd32.exe
3108	AcroRd32.exe
3108	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3108 wrote to memory of 1176	3108	AcroRd32.exe	93
PID 3108 wrote to memory of 1176	3108	AcroRd32.exe	93
PID 3108 wrote to memory of 1176	3108	AcroRd32.exe	93
PID 1176 wrote to memory of 452	1176	RdrCEF.exe	94
PID 1176 wrote to memory of 452	1176	RdrCEF.exe	94
PID 1176 wrote to memory of 452	1176	RdrCEF.exe	94
PID 1176 wrote to memory of 452	1176	RdrCEF.exe	94
PID 1176 wrote to memory of 452	1176	RdrCEF.exe	94
PID 1176 wrote to memory of 452	1176	RdrCEF.exe	94
PID 1176 wrote to memory of 452	1176	RdrCEF.exe	94
PID 1176 wrote to memory of 452	1176	RdrCEF.exe	94
PID 1176 wrote to memory of 452	1176	RdrCEF.exe	94
PID 1176 wrote to memory of 452	1176	RdrCEF.exe	94
PID 1176 wrote to memory of 452	1176	RdrCEF.exe	94
PID 1176 wrote to memory of 452	1176	RdrCEF.exe	94
PID 1176 wrote to memory of 452	1176	RdrCEF.exe	94
PID 1176 wrote to memory of 452	1176	RdrCEF.exe	94
PID 1176 wrote to memory of 452	1176	RdrCEF.exe	94
PID 1176 wrote to memory of 452	1176	RdrCEF.exe	94
PID 1176 wrote to memory of 452	1176	RdrCEF.exe	94
PID 1176 wrote to memory of 452	1176	RdrCEF.exe	94
PID 1176 wrote to memory of 452	1176	RdrCEF.exe	94
PID 1176 wrote to memory of 452	1176	RdrCEF.exe	94
PID 1176 wrote to memory of 452	1176	RdrCEF.exe	94
PID 1176 wrote to memory of 452	1176	RdrCEF.exe	94
PID 1176 wrote to memory of 452	1176	RdrCEF.exe	94
PID 1176 wrote to memory of 452	1176	RdrCEF.exe	94
PID 1176 wrote to memory of 452	1176	RdrCEF.exe	94
PID 1176 wrote to memory of 452	1176	RdrCEF.exe	94
PID 1176 wrote to memory of 452	1176	RdrCEF.exe	94
PID 1176 wrote to memory of 452	1176	RdrCEF.exe	94
PID 1176 wrote to memory of 452	1176	RdrCEF.exe	94
PID 1176 wrote to memory of 452	1176	RdrCEF.exe	94
PID 1176 wrote to memory of 452	1176	RdrCEF.exe	94
PID 1176 wrote to memory of 452	1176	RdrCEF.exe	94
PID 1176 wrote to memory of 452	1176	RdrCEF.exe	94
PID 1176 wrote to memory of 452	1176	RdrCEF.exe	94
PID 1176 wrote to memory of 452	1176	RdrCEF.exe	94
PID 1176 wrote to memory of 452	1176	RdrCEF.exe	94
PID 1176 wrote to memory of 452	1176	RdrCEF.exe	94
PID 1176 wrote to memory of 452	1176	RdrCEF.exe	94
PID 1176 wrote to memory of 452	1176	RdrCEF.exe	94
PID 1176 wrote to memory of 452	1176	RdrCEF.exe	94
PID 1176 wrote to memory of 452	1176	RdrCEF.exe	94
PID 1176 wrote to memory of 3208	1176	RdrCEF.exe	95
PID 1176 wrote to memory of 3208	1176	RdrCEF.exe	95
PID 1176 wrote to memory of 3208	1176	RdrCEF.exe	95
PID 1176 wrote to memory of 3208	1176	RdrCEF.exe	95
PID 1176 wrote to memory of 3208	1176	RdrCEF.exe	95
PID 1176 wrote to memory of 3208	1176	RdrCEF.exe	95
PID 1176 wrote to memory of 3208	1176	RdrCEF.exe	95
PID 1176 wrote to memory of 3208	1176	RdrCEF.exe	95
PID 1176 wrote to memory of 3208	1176	RdrCEF.exe	95
PID 1176 wrote to memory of 3208	1176	RdrCEF.exe	95
PID 1176 wrote to memory of 3208	1176	RdrCEF.exe	95
PID 1176 wrote to memory of 3208	1176	RdrCEF.exe	95
PID 1176 wrote to memory of 3208	1176	RdrCEF.exe	95
PID 1176 wrote to memory of 3208	1176	RdrCEF.exe	95
PID 1176 wrote to memory of 3208	1176	RdrCEF.exe	95
PID 1176 wrote to memory of 3208	1176	RdrCEF.exe	95
PID 1176 wrote to memory of 3208	1176	RdrCEF.exe	95
PID 1176 wrote to memory of 3208	1176	RdrCEF.exe	95
PID 1176 wrote to memory of 3208	1176	RdrCEF.exe	95
PID 1176 wrote to memory of 3208	1176	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\b55fd3ca0f55c1c6778f1318593ff78f.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:3108
- 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:1176
- - 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=070B6E305AC6FFF33E3FFF1C9840106F --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:452
- - 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=00832A277915D30D6E1662EA5B502934 --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=00832A277915D30D6E1662EA5B502934 --renderer-client-id=2 --mojo-platform-channel-handle=1772 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3208
- - 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=7E4521ACCCDF71C38954758003532B63 --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=7E4521ACCCDF71C38954758003532B63 --renderer-client-id=4 --mojo-platform-channel-handle=2332 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4052
- - 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=1A2B946F6C12D277C2293A6DA22A98BB --mojo-platform-channel-handle=2368 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3400
- - 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=775FC0FD11A420191D9E82DFA84E60BA --mojo-platform-channel-handle=2688 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2104
- - 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=C55886F2477D91D436C83D91C06062F0 --mojo-platform-channel-handle=2532 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3312

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
8af87ab6af33db01cfb90fefdfc6a275

SHA1
d3bb17d9447751f21598f53778268277b53d25a5

SHA256
ff525d05194cace73218f12415b5a2b8a979dc0dd88570545bd1834b5afb978a

SHA512
17377b78b4380820ddbae02697c654fdcb645ce977e10e7f36391d45c687de41d1b9f33a356fdad0e545809bb3409e95b248743600e1b0f92471fb50f84e31f0

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/3108-27-0x000000000B410000-0x000000000B431000-memory.dmp

Filesize
132KB

Download