e23faf64307d0612bb2b08e61ebc000c59b24f59ae4102c97b22c9189d34a8df

Analysis

max time kernel
144s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
03/02/2024, 13:44

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General

Target

8c78cf55b42e52bd4f175568cb8916a5.pdf
Size

87KB
MD5

8c78cf55b42e52bd4f175568cb8916a5
SHA1

c69a8636c56de83d5625fbf03b17bbfed6bb2070
SHA256

e23faf64307d0612bb2b08e61ebc000c59b24f59ae4102c97b22c9189d34a8df
SHA512

249a1d8ae05536c43c629980e04bf20994d216e0f9c75f4f130adb1616e32572b15dcd0f1d8439fd777e6305cec9b8532e306e341f28be8392bf3b25c1af4ca3
SSDEEP

1536:TAucOuXufo/ekJKtWEmc0nCZQLbdHgTBIoUVZe7OCWCpOViIWHbXDy13JLawznQ:suA/pgWhc0CZ8dH2BIiKVi3bXDy13hs

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
4988	AcroRd32.exe
4988	AcroRd32.exe
4988	AcroRd32.exe
4988	AcroRd32.exe
4988	AcroRd32.exe
4988	AcroRd32.exe
4988	AcroRd32.exe
4988	AcroRd32.exe
4988	AcroRd32.exe
4988	AcroRd32.exe
4988	AcroRd32.exe
4988	AcroRd32.exe
4988	AcroRd32.exe
4988	AcroRd32.exe
4988	AcroRd32.exe
4988	AcroRd32.exe
4988	AcroRd32.exe
4988	AcroRd32.exe
4988	AcroRd32.exe
4988	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4988	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4988	AcroRd32.exe
4988	AcroRd32.exe
4988	AcroRd32.exe
4988	AcroRd32.exe
4988	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4988 wrote to memory of 3928	4988	AcroRd32.exe	91
PID 4988 wrote to memory of 3928	4988	AcroRd32.exe	91
PID 4988 wrote to memory of 3928	4988	AcroRd32.exe	91
PID 3928 wrote to memory of 3336	3928	RdrCEF.exe	92
PID 3928 wrote to memory of 3336	3928	RdrCEF.exe	92
PID 3928 wrote to memory of 3336	3928	RdrCEF.exe	92
PID 3928 wrote to memory of 3336	3928	RdrCEF.exe	92
PID 3928 wrote to memory of 3336	3928	RdrCEF.exe	92
PID 3928 wrote to memory of 3336	3928	RdrCEF.exe	92
PID 3928 wrote to memory of 3336	3928	RdrCEF.exe	92
PID 3928 wrote to memory of 3336	3928	RdrCEF.exe	92
PID 3928 wrote to memory of 3336	3928	RdrCEF.exe	92
PID 3928 wrote to memory of 3336	3928	RdrCEF.exe	92
PID 3928 wrote to memory of 3336	3928	RdrCEF.exe	92
PID 3928 wrote to memory of 3336	3928	RdrCEF.exe	92
PID 3928 wrote to memory of 3336	3928	RdrCEF.exe	92
PID 3928 wrote to memory of 3336	3928	RdrCEF.exe	92
PID 3928 wrote to memory of 3336	3928	RdrCEF.exe	92
PID 3928 wrote to memory of 3336	3928	RdrCEF.exe	92
PID 3928 wrote to memory of 3336	3928	RdrCEF.exe	92
PID 3928 wrote to memory of 3336	3928	RdrCEF.exe	92
PID 3928 wrote to memory of 3336	3928	RdrCEF.exe	92
PID 3928 wrote to memory of 3336	3928	RdrCEF.exe	92
PID 3928 wrote to memory of 3336	3928	RdrCEF.exe	92
PID 3928 wrote to memory of 3336	3928	RdrCEF.exe	92
PID 3928 wrote to memory of 3336	3928	RdrCEF.exe	92
PID 3928 wrote to memory of 3336	3928	RdrCEF.exe	92
PID 3928 wrote to memory of 3336	3928	RdrCEF.exe	92
PID 3928 wrote to memory of 3336	3928	RdrCEF.exe	92
PID 3928 wrote to memory of 3336	3928	RdrCEF.exe	92
PID 3928 wrote to memory of 3336	3928	RdrCEF.exe	92
PID 3928 wrote to memory of 3336	3928	RdrCEF.exe	92
PID 3928 wrote to memory of 3336	3928	RdrCEF.exe	92
PID 3928 wrote to memory of 3336	3928	RdrCEF.exe	92
PID 3928 wrote to memory of 3336	3928	RdrCEF.exe	92
PID 3928 wrote to memory of 3336	3928	RdrCEF.exe	92
PID 3928 wrote to memory of 3336	3928	RdrCEF.exe	92
PID 3928 wrote to memory of 3336	3928	RdrCEF.exe	92
PID 3928 wrote to memory of 3336	3928	RdrCEF.exe	92
PID 3928 wrote to memory of 3336	3928	RdrCEF.exe	92
PID 3928 wrote to memory of 3336	3928	RdrCEF.exe	92
PID 3928 wrote to memory of 3336	3928	RdrCEF.exe	92
PID 3928 wrote to memory of 3336	3928	RdrCEF.exe	92
PID 3928 wrote to memory of 3336	3928	RdrCEF.exe	92
PID 3928 wrote to memory of 1360	3928	RdrCEF.exe	93
PID 3928 wrote to memory of 1360	3928	RdrCEF.exe	93
PID 3928 wrote to memory of 1360	3928	RdrCEF.exe	93
PID 3928 wrote to memory of 1360	3928	RdrCEF.exe	93
PID 3928 wrote to memory of 1360	3928	RdrCEF.exe	93
PID 3928 wrote to memory of 1360	3928	RdrCEF.exe	93
PID 3928 wrote to memory of 1360	3928	RdrCEF.exe	93
PID 3928 wrote to memory of 1360	3928	RdrCEF.exe	93
PID 3928 wrote to memory of 1360	3928	RdrCEF.exe	93
PID 3928 wrote to memory of 1360	3928	RdrCEF.exe	93
PID 3928 wrote to memory of 1360	3928	RdrCEF.exe	93
PID 3928 wrote to memory of 1360	3928	RdrCEF.exe	93
PID 3928 wrote to memory of 1360	3928	RdrCEF.exe	93
PID 3928 wrote to memory of 1360	3928	RdrCEF.exe	93
PID 3928 wrote to memory of 1360	3928	RdrCEF.exe	93
PID 3928 wrote to memory of 1360	3928	RdrCEF.exe	93
PID 3928 wrote to memory of 1360	3928	RdrCEF.exe	93
PID 3928 wrote to memory of 1360	3928	RdrCEF.exe	93
PID 3928 wrote to memory of 1360	3928	RdrCEF.exe	93
PID 3928 wrote to memory of 1360	3928	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\8c78cf55b42e52bd4f175568cb8916a5.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:4988
- 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:3928
- - 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=D98DD10CA3AC3B9B52C0025FB78E5E48 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3336
- - 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=B2D0829F9F9490FC203E82CDE3735F79 --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=B2D0829F9F9490FC203E82CDE3735F79 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1360
- - 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=A7AC391D3F62D51CB57F7187662FBDC0 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3604
- - 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=DC9A7FEC5BC19A15D6A3CA8195F165C9 --mojo-platform-channel-handle=2352 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2584
- - 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=FC8A3879308D70013A5C3600977325D5 --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=FC8A3879308D70013A5C3600977325D5 --renderer-client-id=6 --mojo-platform-channel-handle=2440 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4736
- - 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=47318C1C88D0C7ECDCFBED69FDCBAFFB --mojo-platform-channel-handle=2704 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4872

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4772

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
dc0a05da97c726f652cdf4d275c40d2f

SHA1
175323d6d36947821af6e9ac792fe5fd23cd0f21

SHA256
21f48c309e06ed1af8e216ecd13ccb219dcef63e4ad90c25569380bd83e97f5e

SHA512
9b9496841fb29dbd0736aad7082536a0c82ecb5ed3eb7e1c92df5b27175985be781fe2dcf780e42e847d18591dc8ee6981f5f89af4f9c0fb4f01d4ca124c3ca1

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/4988-26-0x000000000C330000-0x000000000C380000-memory.dmp

Filesize
320KB

Download
memory/4988-27-0x000000000C330000-0x000000000C351000-memory.dmp

Filesize
132KB

Download