b39689abfb4919b849c5ab43f20e8f479e3a45753e5c31b83e8769710a0c45e1

Analysis

max time kernel
144s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2023, 19:30

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General

Target
381a2c74398fc9606b8e16ad1578748a.pdf
Size 81KB
Sample231225-x72gcsdbb4
SHA256 b39689abfb4919b849c5ab43f20e8f479e3a45753e5c31b83e8769710a0c45e1
MD5 381a2c74398fc9606b8e16ad1578748a
SHA1 48d0b53b2f2c5184f272a3ab3c14e874b164c274
SHA512 4f0240992ca915e5d8631c5eaa26e838196b052161ad47f49830f4fda578c28b5736b26eb8899702abe31e9652ebed187d7890d4b870f485707838cca39f8b06
SSDEEP 1536:pA8XFcmiOpfIugqTn3ijQC+8C+KndN4eUTKnqBEBjbW8qOQoJudOVhWUpO75FXL:zFcyEk3icCG+KndN4eUTyq6lhhQYuYVw
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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4412	AcroRd32.exe
4412	AcroRd32.exe
4412	AcroRd32.exe
4412	AcroRd32.exe
4412	AcroRd32.exe
4412	AcroRd32.exe
4412	AcroRd32.exe
4412	AcroRd32.exe
4412	AcroRd32.exe
4412	AcroRd32.exe
4412	AcroRd32.exe
4412	AcroRd32.exe
4412	AcroRd32.exe
4412	AcroRd32.exe
4412	AcroRd32.exe
4412	AcroRd32.exe
4412	AcroRd32.exe
4412	AcroRd32.exe
4412	AcroRd32.exe
4412	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4412	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4412	AcroRd32.exe
4412	AcroRd32.exe
4412	AcroRd32.exe
4412	AcroRd32.exe
4412	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4412 wrote to memory of 2284	4412	AcroRd32.exe	90
PID 4412 wrote to memory of 2284	4412	AcroRd32.exe	90
PID 4412 wrote to memory of 2284	4412	AcroRd32.exe	90
PID 2284 wrote to memory of 3216	2284	RdrCEF.exe	92
PID 2284 wrote to memory of 3216	2284	RdrCEF.exe	92
PID 2284 wrote to memory of 3216	2284	RdrCEF.exe	92
PID 2284 wrote to memory of 3216	2284	RdrCEF.exe	92
PID 2284 wrote to memory of 3216	2284	RdrCEF.exe	92
PID 2284 wrote to memory of 3216	2284	RdrCEF.exe	92
PID 2284 wrote to memory of 3216	2284	RdrCEF.exe	92
PID 2284 wrote to memory of 3216	2284	RdrCEF.exe	92
PID 2284 wrote to memory of 3216	2284	RdrCEF.exe	92
PID 2284 wrote to memory of 3216	2284	RdrCEF.exe	92
PID 2284 wrote to memory of 3216	2284	RdrCEF.exe	92
PID 2284 wrote to memory of 3216	2284	RdrCEF.exe	92
PID 2284 wrote to memory of 3216	2284	RdrCEF.exe	92
PID 2284 wrote to memory of 3216	2284	RdrCEF.exe	92
PID 2284 wrote to memory of 3216	2284	RdrCEF.exe	92
PID 2284 wrote to memory of 3216	2284	RdrCEF.exe	92
PID 2284 wrote to memory of 3216	2284	RdrCEF.exe	92
PID 2284 wrote to memory of 3216	2284	RdrCEF.exe	92
PID 2284 wrote to memory of 3216	2284	RdrCEF.exe	92
PID 2284 wrote to memory of 3216	2284	RdrCEF.exe	92
PID 2284 wrote to memory of 3216	2284	RdrCEF.exe	92
PID 2284 wrote to memory of 3216	2284	RdrCEF.exe	92
PID 2284 wrote to memory of 3216	2284	RdrCEF.exe	92
PID 2284 wrote to memory of 3216	2284	RdrCEF.exe	92
PID 2284 wrote to memory of 3216	2284	RdrCEF.exe	92
PID 2284 wrote to memory of 3216	2284	RdrCEF.exe	92
PID 2284 wrote to memory of 3216	2284	RdrCEF.exe	92
PID 2284 wrote to memory of 3216	2284	RdrCEF.exe	92
PID 2284 wrote to memory of 3216	2284	RdrCEF.exe	92
PID 2284 wrote to memory of 3216	2284	RdrCEF.exe	92
PID 2284 wrote to memory of 3216	2284	RdrCEF.exe	92
PID 2284 wrote to memory of 3216	2284	RdrCEF.exe	92
PID 2284 wrote to memory of 3216	2284	RdrCEF.exe	92
PID 2284 wrote to memory of 3216	2284	RdrCEF.exe	92
PID 2284 wrote to memory of 3216	2284	RdrCEF.exe	92
PID 2284 wrote to memory of 3216	2284	RdrCEF.exe	92
PID 2284 wrote to memory of 3216	2284	RdrCEF.exe	92
PID 2284 wrote to memory of 3216	2284	RdrCEF.exe	92
PID 2284 wrote to memory of 3216	2284	RdrCEF.exe	92
PID 2284 wrote to memory of 3216	2284	RdrCEF.exe	92
PID 2284 wrote to memory of 3216	2284	RdrCEF.exe	92
PID 2284 wrote to memory of 2948	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 2948	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 2948	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 2948	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 2948	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 2948	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 2948	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 2948	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 2948	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 2948	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 2948	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 2948	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 2948	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 2948	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 2948	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 2948	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 2948	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 2948	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 2948	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 2948	2284	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\381a2c74398fc9606b8e16ad1578748a.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:4412
- 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:2284
- - 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=BD254E55ED9F634E8411F81743AA87D4 --mojo-platform-channel-handle=1624 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3216
- - 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=6FA97C0C556AC221B3288017ADD37769 --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=6FA97C0C556AC221B3288017ADD37769 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2948
- - 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=82B9BD6A8D996168B7BA733A4DA978BC --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1256
- - 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=186D927C41CCC8C9A26DFFB141B05C0E --mojo-platform-channel-handle=2404 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3564
- - 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=2A37A0E292DC3B58764ED02BFE231488 --mojo-platform-channel-handle=2492 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2340
- - 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=9F26C52AA582EE80CF1CE9DD1D8F5853 --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=9F26C52AA582EE80CF1CE9DD1D8F5853 --renderer-client-id=8 --mojo-platform-channel-handle=1888 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5088

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4588

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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