d3af2a7354f1152654aac2755a7f3e9b13ee7805008ae3fa71af219ccbfcd89c

Analysis

max time kernel
149s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
08/01/2024, 00:45

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General

Target
4a36d1a8bef6ff6ada3d43da507aaab6.pdf
Size 89KB
Sample240108-a32j8shcfl
SHA256 d3af2a7354f1152654aac2755a7f3e9b13ee7805008ae3fa71af219ccbfcd89c
MD5 4a36d1a8bef6ff6ada3d43da507aaab6
SHA1 33fd877ddb77fad973ab18b6b033f8e3cfdea51b
SHA512 cb19020c4b7fdf3e6fc08fa974e4193a088f228c4c61a1be6ad8be289a31bfa17a823cbc5fa480c1d0b6b272fffc8f3508269cd7c7de85b51fba90028fc8a345
SSDEEP 1536:D8BstN0TojlhA3NSm0m1eVpfKQFm8ZB2yGYtjhZBwFNQ2GeDcYCvHveUvEh50qrx:wscIm1CfKmzPtrUd+Xchj8J18B7b
MD5 SHA1 SHA512 SSDEEP

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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5040	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5040 wrote to memory of 2832	5040	AcroRd32.exe	93
PID 5040 wrote to memory of 2832	5040	AcroRd32.exe	93
PID 5040 wrote to memory of 2832	5040	AcroRd32.exe	93
PID 2832 wrote to memory of 2924	2832	RdrCEF.exe	96
PID 2832 wrote to memory of 2924	2832	RdrCEF.exe	96
PID 2832 wrote to memory of 2924	2832	RdrCEF.exe	96
PID 2832 wrote to memory of 2924	2832	RdrCEF.exe	96
PID 2832 wrote to memory of 2924	2832	RdrCEF.exe	96
PID 2832 wrote to memory of 2924	2832	RdrCEF.exe	96
PID 2832 wrote to memory of 2924	2832	RdrCEF.exe	96
PID 2832 wrote to memory of 2924	2832	RdrCEF.exe	96
PID 2832 wrote to memory of 2924	2832	RdrCEF.exe	96
PID 2832 wrote to memory of 2924	2832	RdrCEF.exe	96
PID 2832 wrote to memory of 2924	2832	RdrCEF.exe	96
PID 2832 wrote to memory of 2924	2832	RdrCEF.exe	96
PID 2832 wrote to memory of 2924	2832	RdrCEF.exe	96
PID 2832 wrote to memory of 2924	2832	RdrCEF.exe	96
PID 2832 wrote to memory of 2924	2832	RdrCEF.exe	96
PID 2832 wrote to memory of 2924	2832	RdrCEF.exe	96
PID 2832 wrote to memory of 2924	2832	RdrCEF.exe	96
PID 2832 wrote to memory of 2924	2832	RdrCEF.exe	96
PID 2832 wrote to memory of 2924	2832	RdrCEF.exe	96
PID 2832 wrote to memory of 2924	2832	RdrCEF.exe	96
PID 2832 wrote to memory of 2924	2832	RdrCEF.exe	96
PID 2832 wrote to memory of 2924	2832	RdrCEF.exe	96
PID 2832 wrote to memory of 2924	2832	RdrCEF.exe	96
PID 2832 wrote to memory of 2924	2832	RdrCEF.exe	96
PID 2832 wrote to memory of 2924	2832	RdrCEF.exe	96
PID 2832 wrote to memory of 2924	2832	RdrCEF.exe	96
PID 2832 wrote to memory of 2924	2832	RdrCEF.exe	96
PID 2832 wrote to memory of 2924	2832	RdrCEF.exe	96
PID 2832 wrote to memory of 2924	2832	RdrCEF.exe	96
PID 2832 wrote to memory of 2924	2832	RdrCEF.exe	96
PID 2832 wrote to memory of 2924	2832	RdrCEF.exe	96
PID 2832 wrote to memory of 2924	2832	RdrCEF.exe	96
PID 2832 wrote to memory of 2924	2832	RdrCEF.exe	96
PID 2832 wrote to memory of 2924	2832	RdrCEF.exe	96
PID 2832 wrote to memory of 2924	2832	RdrCEF.exe	96
PID 2832 wrote to memory of 2924	2832	RdrCEF.exe	96
PID 2832 wrote to memory of 2924	2832	RdrCEF.exe	96
PID 2832 wrote to memory of 2924	2832	RdrCEF.exe	96
PID 2832 wrote to memory of 2924	2832	RdrCEF.exe	96
PID 2832 wrote to memory of 2924	2832	RdrCEF.exe	96
PID 2832 wrote to memory of 2924	2832	RdrCEF.exe	96
PID 2832 wrote to memory of 3460	2832	RdrCEF.exe	97
PID 2832 wrote to memory of 3460	2832	RdrCEF.exe	97
PID 2832 wrote to memory of 3460	2832	RdrCEF.exe	97
PID 2832 wrote to memory of 3460	2832	RdrCEF.exe	97
PID 2832 wrote to memory of 3460	2832	RdrCEF.exe	97
PID 2832 wrote to memory of 3460	2832	RdrCEF.exe	97
PID 2832 wrote to memory of 3460	2832	RdrCEF.exe	97
PID 2832 wrote to memory of 3460	2832	RdrCEF.exe	97
PID 2832 wrote to memory of 3460	2832	RdrCEF.exe	97
PID 2832 wrote to memory of 3460	2832	RdrCEF.exe	97
PID 2832 wrote to memory of 3460	2832	RdrCEF.exe	97
PID 2832 wrote to memory of 3460	2832	RdrCEF.exe	97
PID 2832 wrote to memory of 3460	2832	RdrCEF.exe	97
PID 2832 wrote to memory of 3460	2832	RdrCEF.exe	97
PID 2832 wrote to memory of 3460	2832	RdrCEF.exe	97
PID 2832 wrote to memory of 3460	2832	RdrCEF.exe	97
PID 2832 wrote to memory of 3460	2832	RdrCEF.exe	97
PID 2832 wrote to memory of 3460	2832	RdrCEF.exe	97
PID 2832 wrote to memory of 3460	2832	RdrCEF.exe	97
PID 2832 wrote to memory of 3460	2832	RdrCEF.exe	97

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\4a36d1a8bef6ff6ada3d43da507aaab6.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:5040
- 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:2832
- - 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=8CF0A4806F66945BB556DEA999E52E95 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2924
- - 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=848267B0D971D56B591F54E98EEA19D9 --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=848267B0D971D56B591F54E98EEA19D9 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3460
- - 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=564DB3F6090BF324613809140AB96B28 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3800
- - 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=4D69121A7DE27AA9FE9EA8D5A0568863 --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=4D69121A7DE27AA9FE9EA8D5A0568863 --renderer-client-id=5 --mojo-platform-channel-handle=2348 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2764
- - 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=D78EA80972D0A2CA9FA7D7D08BC6DB1B --mojo-platform-channel-handle=2460 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4332
- - 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=C31AF7DE4BFBF1324824F48EAD160D7F --mojo-platform-channel-handle=2704 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3832

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3076

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

ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 64KB
SHA256 33d1a9c8c7fc74374049b80d0a7c36d5cedf925b44acd740d9130006d2cbab18
MD5 7d21c0c0e7b2be44fd18e86b4d8d00e4
SHA1 e99fd22450d9ead654d14a2419cb62820a01c0d3
SHA512 a2c8d062097848d48a3d6263ec028c4cee0102cce49670b5d934e6e1d18c377c575ca856cefe435ee9b915986438fbf4ab799bb88e3f79aabb41a24334edca9b
SSDEEP 384:yeidThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:B+elZsLQCZsL3hUS4
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 36KB
SHA256 b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
MD5 b30d3becc8731792523d599d949e63f5
SHA1 19350257e42d7aee17fb3bf139a9d3adb330fad4
SHA512 523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
SSDEEP 24:TLiXlzkrFsgIFsxX3pALXmnHpkDGjmcxBSkomXk+2m9RFTsyg+wmf9Mzm+Zs3tGl:TqlmFTIF3XmHjBoGGR+jMz+LhT
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 56KB
SHA256 111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
MD5 752a1f26b18748311b691c7d8fc20633
SHA1 c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA512 a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5
SSDEEP 192:wedRBvVrThe4p4/KhTB4p4CitZtkZsLRGVDbw6H3ph+v3YQa9:weZdThkKhBvkZsLRGlzh+vS9
MD5 SHA1 SHA512 SSDEEP

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