5793311d5fe09628e001c7e9294c6e133bab20152c3d807b8c3c24332ae33aaa

Analysis

max time kernel
141s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 15:42

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General

Target

de23314e7a5230716253aea5e2b67d03.pdf
Size

45KB
MD5

de23314e7a5230716253aea5e2b67d03
SHA1

55113c32ba84fb46c79f566ac3c8f519ee94b027
SHA256

5793311d5fe09628e001c7e9294c6e133bab20152c3d807b8c3c24332ae33aaa
SHA512

1c93e47199a338eade6acdb5e8751a56e9980e1051dfb9463e0be4cc235f00b772b10bc533c78c1f333852301fcff7d800d9f1c22a5e75d5c1be2f1fad9f5707
SSDEEP

768:Tc8aRMKEkeMCCLzayXqlKLhw5vdicGcvEzF/bQRM12gEGmeXEI/yz:TGPeMNLzxqlKLhwVd+tIM12gHme3yz

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
5000	AcroRd32.exe
5000	AcroRd32.exe
5000	AcroRd32.exe
5000	AcroRd32.exe
5000	AcroRd32.exe
5000	AcroRd32.exe
5000	AcroRd32.exe
5000	AcroRd32.exe
5000	AcroRd32.exe
5000	AcroRd32.exe
5000	AcroRd32.exe
5000	AcroRd32.exe
5000	AcroRd32.exe
5000	AcroRd32.exe
5000	AcroRd32.exe
5000	AcroRd32.exe
5000	AcroRd32.exe
5000	AcroRd32.exe
5000	AcroRd32.exe
5000	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5000	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
5000	AcroRd32.exe
5000	AcroRd32.exe
5000	AcroRd32.exe
5000	AcroRd32.exe
5000	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5000 wrote to memory of 4972	5000	AcroRd32.exe	91
PID 5000 wrote to memory of 4972	5000	AcroRd32.exe	91
PID 5000 wrote to memory of 4972	5000	AcroRd32.exe	91
PID 4972 wrote to memory of 2824	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 2824	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 2824	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 2824	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 2824	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 2824	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 2824	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 2824	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 2824	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 2824	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 2824	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 2824	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 2824	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 2824	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 2824	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 2824	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 2824	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 2824	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 2824	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 2824	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 2824	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 2824	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 2824	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 2824	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 2824	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 2824	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 2824	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 2824	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 2824	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 2824	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 2824	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 2824	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 2824	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 2824	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 2824	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 2824	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 2824	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 2824	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 2824	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 2824	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 2824	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 3208	4972	RdrCEF.exe	92
PID 4972 wrote to memory of 3208	4972	RdrCEF.exe	92
PID 4972 wrote to memory of 3208	4972	RdrCEF.exe	92
PID 4972 wrote to memory of 3208	4972	RdrCEF.exe	92
PID 4972 wrote to memory of 3208	4972	RdrCEF.exe	92
PID 4972 wrote to memory of 3208	4972	RdrCEF.exe	92
PID 4972 wrote to memory of 3208	4972	RdrCEF.exe	92
PID 4972 wrote to memory of 3208	4972	RdrCEF.exe	92
PID 4972 wrote to memory of 3208	4972	RdrCEF.exe	92
PID 4972 wrote to memory of 3208	4972	RdrCEF.exe	92
PID 4972 wrote to memory of 3208	4972	RdrCEF.exe	92
PID 4972 wrote to memory of 3208	4972	RdrCEF.exe	92
PID 4972 wrote to memory of 3208	4972	RdrCEF.exe	92
PID 4972 wrote to memory of 3208	4972	RdrCEF.exe	92
PID 4972 wrote to memory of 3208	4972	RdrCEF.exe	92
PID 4972 wrote to memory of 3208	4972	RdrCEF.exe	92
PID 4972 wrote to memory of 3208	4972	RdrCEF.exe	92
PID 4972 wrote to memory of 3208	4972	RdrCEF.exe	92
PID 4972 wrote to memory of 3208	4972	RdrCEF.exe	92
PID 4972 wrote to memory of 3208	4972	RdrCEF.exe	92

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\de23314e7a5230716253aea5e2b67d03.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:5000
- 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:4972
- - 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=47800C9C3547EAF6377AC93916AE7157 --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=47800C9C3547EAF6377AC93916AE7157 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --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=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=FE8C99B261202087DA15AFEC08880A61 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2824
- - 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=482D2E61E1034650C3C39FA2D41460BB --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4584
- - 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=25CB2BD0D0695F69104AEB7CE0D323E6 --mojo-platform-channel-handle=2416 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2100
- - 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=C7B9433D61D62DF6947A06D12A71329F --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=C7B9433D61D62DF6947A06D12A71329F --renderer-client-id=7 --mojo-platform-channel-handle=2388 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5052
- - 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=204E6DF7F45734EAD8146D7F51116D8F --mojo-platform-channel-handle=2364 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5072

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4716

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
8943d8c5e467c9f100bfd0cbff382065

SHA1
adaf4f46be8c098b96326e3221168bcbe54cf906

SHA256
7ede57950978be7f7db21dc91ebcad19122985c2d44ebe547a6064a73405d419

SHA512
3b6fbc95b4d5e8895b92357398a1f86a9ea62929485e3602a170b935e1efd2ef8aed9f5accbf8c67b490733f1dcccba17e428e5cc13217558a74819ccd09a25f

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

Filesize
56KB

MD5
c26ed30e7d5ab440480838636efc41db

SHA1
c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591

SHA256
6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef

SHA512
96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df

Download Submit