bc54c119cdfaee6486ad23f83fe29ad083548bacde76db772609ff7407a4ae8c

Analysis

max time kernel
149s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
13-03-2024 17:11

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General

Target

c66ee75508b93317735181443799a80a.pdf
Size

85KB
MD5

c66ee75508b93317735181443799a80a
SHA1

a58d1ee746b1a888217bb8d76008f7f5f1ee9d72
SHA256

bc54c119cdfaee6486ad23f83fe29ad083548bacde76db772609ff7407a4ae8c
SHA512

711ea6538b8c445e7325abda63eb25e6f3d40946b5040dc485d783de3904988f2f9add27db9673890aeff7456b81769abaec7d5aec43954c5b669f9b207dbb83
SSDEEP

1536:/OfGDxoedynygE8WIE/K86jRrQ5gjlWL3sZ98vv482TWF80BcgqYQUTaFWyR6hWM:G+D6ecnFE/2jRrQ5gjlo8Z98vwV272WP

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

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2444	AcroRd32.exe
2444	AcroRd32.exe
2444	AcroRd32.exe
2444	AcroRd32.exe
2444	AcroRd32.exe
2444	AcroRd32.exe
2444	AcroRd32.exe
2444	AcroRd32.exe
2444	AcroRd32.exe
2444	AcroRd32.exe
2444	AcroRd32.exe
2444	AcroRd32.exe
2444	AcroRd32.exe
2444	AcroRd32.exe
2444	AcroRd32.exe
2444	AcroRd32.exe
2444	AcroRd32.exe
2444	AcroRd32.exe
2444	AcroRd32.exe
2444	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2444	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2444	AcroRd32.exe
2444	AcroRd32.exe
2444	AcroRd32.exe
2444	AcroRd32.exe
2444	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2444 wrote to memory of 2176	2444	AcroRd32.exe	91
PID 2444 wrote to memory of 2176	2444	AcroRd32.exe	91
PID 2444 wrote to memory of 2176	2444	AcroRd32.exe	91
PID 2176 wrote to memory of 976	2176	RdrCEF.exe	92
PID 2176 wrote to memory of 976	2176	RdrCEF.exe	92
PID 2176 wrote to memory of 976	2176	RdrCEF.exe	92
PID 2176 wrote to memory of 976	2176	RdrCEF.exe	92
PID 2176 wrote to memory of 976	2176	RdrCEF.exe	92
PID 2176 wrote to memory of 976	2176	RdrCEF.exe	92
PID 2176 wrote to memory of 976	2176	RdrCEF.exe	92
PID 2176 wrote to memory of 976	2176	RdrCEF.exe	92
PID 2176 wrote to memory of 976	2176	RdrCEF.exe	92
PID 2176 wrote to memory of 976	2176	RdrCEF.exe	92
PID 2176 wrote to memory of 976	2176	RdrCEF.exe	92
PID 2176 wrote to memory of 976	2176	RdrCEF.exe	92
PID 2176 wrote to memory of 976	2176	RdrCEF.exe	92
PID 2176 wrote to memory of 976	2176	RdrCEF.exe	92
PID 2176 wrote to memory of 976	2176	RdrCEF.exe	92
PID 2176 wrote to memory of 976	2176	RdrCEF.exe	92
PID 2176 wrote to memory of 976	2176	RdrCEF.exe	92
PID 2176 wrote to memory of 976	2176	RdrCEF.exe	92
PID 2176 wrote to memory of 976	2176	RdrCEF.exe	92
PID 2176 wrote to memory of 976	2176	RdrCEF.exe	92
PID 2176 wrote to memory of 976	2176	RdrCEF.exe	92
PID 2176 wrote to memory of 976	2176	RdrCEF.exe	92
PID 2176 wrote to memory of 976	2176	RdrCEF.exe	92
PID 2176 wrote to memory of 976	2176	RdrCEF.exe	92
PID 2176 wrote to memory of 976	2176	RdrCEF.exe	92
PID 2176 wrote to memory of 976	2176	RdrCEF.exe	92
PID 2176 wrote to memory of 976	2176	RdrCEF.exe	92
PID 2176 wrote to memory of 976	2176	RdrCEF.exe	92
PID 2176 wrote to memory of 976	2176	RdrCEF.exe	92
PID 2176 wrote to memory of 976	2176	RdrCEF.exe	92
PID 2176 wrote to memory of 976	2176	RdrCEF.exe	92
PID 2176 wrote to memory of 976	2176	RdrCEF.exe	92
PID 2176 wrote to memory of 976	2176	RdrCEF.exe	92
PID 2176 wrote to memory of 976	2176	RdrCEF.exe	92
PID 2176 wrote to memory of 976	2176	RdrCEF.exe	92
PID 2176 wrote to memory of 976	2176	RdrCEF.exe	92
PID 2176 wrote to memory of 976	2176	RdrCEF.exe	92
PID 2176 wrote to memory of 976	2176	RdrCEF.exe	92
PID 2176 wrote to memory of 976	2176	RdrCEF.exe	92
PID 2176 wrote to memory of 976	2176	RdrCEF.exe	92
PID 2176 wrote to memory of 976	2176	RdrCEF.exe	92
PID 2176 wrote to memory of 660	2176	RdrCEF.exe	93
PID 2176 wrote to memory of 660	2176	RdrCEF.exe	93
PID 2176 wrote to memory of 660	2176	RdrCEF.exe	93
PID 2176 wrote to memory of 660	2176	RdrCEF.exe	93
PID 2176 wrote to memory of 660	2176	RdrCEF.exe	93
PID 2176 wrote to memory of 660	2176	RdrCEF.exe	93
PID 2176 wrote to memory of 660	2176	RdrCEF.exe	93
PID 2176 wrote to memory of 660	2176	RdrCEF.exe	93
PID 2176 wrote to memory of 660	2176	RdrCEF.exe	93
PID 2176 wrote to memory of 660	2176	RdrCEF.exe	93
PID 2176 wrote to memory of 660	2176	RdrCEF.exe	93
PID 2176 wrote to memory of 660	2176	RdrCEF.exe	93
PID 2176 wrote to memory of 660	2176	RdrCEF.exe	93
PID 2176 wrote to memory of 660	2176	RdrCEF.exe	93
PID 2176 wrote to memory of 660	2176	RdrCEF.exe	93
PID 2176 wrote to memory of 660	2176	RdrCEF.exe	93
PID 2176 wrote to memory of 660	2176	RdrCEF.exe	93
PID 2176 wrote to memory of 660	2176	RdrCEF.exe	93
PID 2176 wrote to memory of 660	2176	RdrCEF.exe	93
PID 2176 wrote to memory of 660	2176	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\c66ee75508b93317735181443799a80a.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:2444
- 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:2176
- - 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=43A8389714BB57FA568D5E502BB0133B --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:976
- - 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=034E2973D5EE3757AB5FC6982F104A13 --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=034E2973D5EE3757AB5FC6982F104A13 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:660
- - 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=F3FA0FA5957CA63A02A12FB2F1BEBE63 --mojo-platform-channel-handle=2280 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1408
- - 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=3B4B6754B4CB3EE1B9575E6CE329F2DE --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=3B4B6754B4CB3EE1B9575E6CE329F2DE --renderer-client-id=5 --mojo-platform-channel-handle=1884 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2544
- - 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=C1F10DD0F68EB6BB29FB59CEB64C2830 --mojo-platform-channel-handle=2548 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5064
- - 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=D9770B30AE16FD7425867CE6D2FBCD69 --mojo-platform-channel-handle=2276 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4456

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
a03d216d75bd604978e5ecca6ceffacb

SHA1
2702e89854d39e2a1240eed6f977d20f095522c6

SHA256
ff16f8526ab629185f1337c21de95a7770edda66cee836abdcff82169061640b

SHA512
be75f30e254a85873e472b981839e03fc3dbe2af9e8f7b30450c3227c1354ba2b918b13c562bbf0b373e804aaf56384344bcc1f98d9cf84437ce46942faa2817

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/2444-90-0x0000000008F20000-0x0000000008F41000-memory.dmp

Filesize
132KB

Download