dbd8db721203381c899e8795924b51ad46449e33d6c4c6da628566d96b097671

Analysis

max time kernel
148s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
05/01/2024, 02:00

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General

Target

427bde909049bf241c997cf3e8d8363d.pdf
Size

90KB
MD5

427bde909049bf241c997cf3e8d8363d
SHA1

3bd06e5ea2f13a35fae8ca0a7296f85363f42b40
SHA256

dbd8db721203381c899e8795924b51ad46449e33d6c4c6da628566d96b097671
SHA512

7f28ec9844be330184b4892e65d6a32c181c632e2f86c5ae0b28a22959a9b1c5e86e16b034b2d477a4e73ee3b7dbef81e0e393fd3279ae9c2928f8237117aa1c
SSDEEP

1536:J11lF9e50clKKBdKkedFEqijCx6TfgdOzNSOxK9COWqMND7qKV2xN:5f9S0clKKUDtWm0TVeCYc5VC

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2760	AcroRd32.exe
2760	AcroRd32.exe
2760	AcroRd32.exe
2760	AcroRd32.exe
2760	AcroRd32.exe
2760	AcroRd32.exe
2760	AcroRd32.exe
2760	AcroRd32.exe
2760	AcroRd32.exe
2760	AcroRd32.exe
2760	AcroRd32.exe
2760	AcroRd32.exe
2760	AcroRd32.exe
2760	AcroRd32.exe
2760	AcroRd32.exe
2760	AcroRd32.exe
2760	AcroRd32.exe
2760	AcroRd32.exe
2760	AcroRd32.exe
2760	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2760	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2760	AcroRd32.exe
2760	AcroRd32.exe
2760	AcroRd32.exe
2760	AcroRd32.exe
2760	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2760 wrote to memory of 3988	2760	AcroRd32.exe	92
PID 2760 wrote to memory of 3988	2760	AcroRd32.exe	92
PID 2760 wrote to memory of 3988	2760	AcroRd32.exe	92
PID 3988 wrote to memory of 2768	3988	RdrCEF.exe	94
PID 3988 wrote to memory of 2768	3988	RdrCEF.exe	94
PID 3988 wrote to memory of 2768	3988	RdrCEF.exe	94
PID 3988 wrote to memory of 2768	3988	RdrCEF.exe	94
PID 3988 wrote to memory of 2768	3988	RdrCEF.exe	94
PID 3988 wrote to memory of 2768	3988	RdrCEF.exe	94
PID 3988 wrote to memory of 2768	3988	RdrCEF.exe	94
PID 3988 wrote to memory of 2768	3988	RdrCEF.exe	94
PID 3988 wrote to memory of 2768	3988	RdrCEF.exe	94
PID 3988 wrote to memory of 2768	3988	RdrCEF.exe	94
PID 3988 wrote to memory of 2768	3988	RdrCEF.exe	94
PID 3988 wrote to memory of 2768	3988	RdrCEF.exe	94
PID 3988 wrote to memory of 2768	3988	RdrCEF.exe	94
PID 3988 wrote to memory of 2768	3988	RdrCEF.exe	94
PID 3988 wrote to memory of 2768	3988	RdrCEF.exe	94
PID 3988 wrote to memory of 2768	3988	RdrCEF.exe	94
PID 3988 wrote to memory of 2768	3988	RdrCEF.exe	94
PID 3988 wrote to memory of 2768	3988	RdrCEF.exe	94
PID 3988 wrote to memory of 2768	3988	RdrCEF.exe	94
PID 3988 wrote to memory of 2768	3988	RdrCEF.exe	94
PID 3988 wrote to memory of 2768	3988	RdrCEF.exe	94
PID 3988 wrote to memory of 2768	3988	RdrCEF.exe	94
PID 3988 wrote to memory of 2768	3988	RdrCEF.exe	94
PID 3988 wrote to memory of 2768	3988	RdrCEF.exe	94
PID 3988 wrote to memory of 2768	3988	RdrCEF.exe	94
PID 3988 wrote to memory of 2768	3988	RdrCEF.exe	94
PID 3988 wrote to memory of 2768	3988	RdrCEF.exe	94
PID 3988 wrote to memory of 2768	3988	RdrCEF.exe	94
PID 3988 wrote to memory of 2768	3988	RdrCEF.exe	94
PID 3988 wrote to memory of 2768	3988	RdrCEF.exe	94
PID 3988 wrote to memory of 2768	3988	RdrCEF.exe	94
PID 3988 wrote to memory of 2768	3988	RdrCEF.exe	94
PID 3988 wrote to memory of 2768	3988	RdrCEF.exe	94
PID 3988 wrote to memory of 2768	3988	RdrCEF.exe	94
PID 3988 wrote to memory of 2768	3988	RdrCEF.exe	94
PID 3988 wrote to memory of 2768	3988	RdrCEF.exe	94
PID 3988 wrote to memory of 2768	3988	RdrCEF.exe	94
PID 3988 wrote to memory of 2768	3988	RdrCEF.exe	94
PID 3988 wrote to memory of 2768	3988	RdrCEF.exe	94
PID 3988 wrote to memory of 2768	3988	RdrCEF.exe	94
PID 3988 wrote to memory of 2768	3988	RdrCEF.exe	94
PID 3988 wrote to memory of 3408	3988	RdrCEF.exe	93
PID 3988 wrote to memory of 3408	3988	RdrCEF.exe	93
PID 3988 wrote to memory of 3408	3988	RdrCEF.exe	93
PID 3988 wrote to memory of 3408	3988	RdrCEF.exe	93
PID 3988 wrote to memory of 3408	3988	RdrCEF.exe	93
PID 3988 wrote to memory of 3408	3988	RdrCEF.exe	93
PID 3988 wrote to memory of 3408	3988	RdrCEF.exe	93
PID 3988 wrote to memory of 3408	3988	RdrCEF.exe	93
PID 3988 wrote to memory of 3408	3988	RdrCEF.exe	93
PID 3988 wrote to memory of 3408	3988	RdrCEF.exe	93
PID 3988 wrote to memory of 3408	3988	RdrCEF.exe	93
PID 3988 wrote to memory of 3408	3988	RdrCEF.exe	93
PID 3988 wrote to memory of 3408	3988	RdrCEF.exe	93
PID 3988 wrote to memory of 3408	3988	RdrCEF.exe	93
PID 3988 wrote to memory of 3408	3988	RdrCEF.exe	93
PID 3988 wrote to memory of 3408	3988	RdrCEF.exe	93
PID 3988 wrote to memory of 3408	3988	RdrCEF.exe	93
PID 3988 wrote to memory of 3408	3988	RdrCEF.exe	93
PID 3988 wrote to memory of 3408	3988	RdrCEF.exe	93
PID 3988 wrote to memory of 3408	3988	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\427bde909049bf241c997cf3e8d8363d.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:2760
- 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:3988
- - 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=2AC074500BE54A44BA6DF9D2CFA0FDFD --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=2AC074500BE54A44BA6DF9D2CFA0FDFD --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3408
- - 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=8FF549D9D52A7FD65472A4C53210B50D --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2768
- - 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=8508CFD5EC59AF3386514941003B9FA2 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1544
- - 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=37D6034C4F543E399193A8288629824D --mojo-platform-channel-handle=1964 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1280
- - 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=BBE4211E478AABB9F5DA0927651311B5 --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=BBE4211E478AABB9F5DA0927651311B5 --renderer-client-id=6 --mojo-platform-channel-handle=2388 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3376
- - 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=DC50B72A43EAAD065B62769A9EF70D83 --mojo-platform-channel-handle=2684 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4904

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3036

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s UsoSvc
1⤵
PID:1544

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

Windows 7 deprecation

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