747b16d19a89e3c5ada3b5d51799d62a3962268047d1fe05d91f24ab925ba376

Analysis

max time kernel
143s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2023 23:38

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General

Target

20489f6518977440789e8ef1c45b6541.pdf
Size

87KB
MD5

20489f6518977440789e8ef1c45b6541
SHA1

2168073d4f0d2696cea9e9ae68731911f469d5e3
SHA256

747b16d19a89e3c5ada3b5d51799d62a3962268047d1fe05d91f24ab925ba376
SHA512

9995f1e6af885872b4f226cef689a30485e53f69f42222f63043fc4eedc56b754c8ef6a63ca8dba510ea523b7b69ad342243a0653f42a25539ae3ba0aaf79d3b
SSDEEP

1536:VrLpx+kSMVbysX7ykXbkH4LthW0TJxS78Ip/VNXo+jxWx956d1dGQwK8W8pO+Snc:rAkFVbyU2H4LthW0TTSPp9N4+jWud1dw

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-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4172	AcroRd32.exe
4172	AcroRd32.exe
4172	AcroRd32.exe
4172	AcroRd32.exe
4172	AcroRd32.exe
4172	AcroRd32.exe
4172	AcroRd32.exe
4172	AcroRd32.exe
4172	AcroRd32.exe
4172	AcroRd32.exe
4172	AcroRd32.exe
4172	AcroRd32.exe
4172	AcroRd32.exe
4172	AcroRd32.exe
4172	AcroRd32.exe
4172	AcroRd32.exe
4172	AcroRd32.exe
4172	AcroRd32.exe
4172	AcroRd32.exe
4172	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4172	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4172	AcroRd32.exe
4172	AcroRd32.exe
4172	AcroRd32.exe
4172	AcroRd32.exe
4172	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4172 wrote to memory of 1492	4172	AcroRd32.exe	93
PID 4172 wrote to memory of 1492	4172	AcroRd32.exe	93
PID 4172 wrote to memory of 1492	4172	AcroRd32.exe	93
PID 1492 wrote to memory of 2880	1492	RdrCEF.exe	94
PID 1492 wrote to memory of 2880	1492	RdrCEF.exe	94
PID 1492 wrote to memory of 2880	1492	RdrCEF.exe	94
PID 1492 wrote to memory of 2880	1492	RdrCEF.exe	94
PID 1492 wrote to memory of 2880	1492	RdrCEF.exe	94
PID 1492 wrote to memory of 2880	1492	RdrCEF.exe	94
PID 1492 wrote to memory of 2880	1492	RdrCEF.exe	94
PID 1492 wrote to memory of 2880	1492	RdrCEF.exe	94
PID 1492 wrote to memory of 2880	1492	RdrCEF.exe	94
PID 1492 wrote to memory of 2880	1492	RdrCEF.exe	94
PID 1492 wrote to memory of 2880	1492	RdrCEF.exe	94
PID 1492 wrote to memory of 2880	1492	RdrCEF.exe	94
PID 1492 wrote to memory of 2880	1492	RdrCEF.exe	94
PID 1492 wrote to memory of 2880	1492	RdrCEF.exe	94
PID 1492 wrote to memory of 2880	1492	RdrCEF.exe	94
PID 1492 wrote to memory of 2880	1492	RdrCEF.exe	94
PID 1492 wrote to memory of 2880	1492	RdrCEF.exe	94
PID 1492 wrote to memory of 2880	1492	RdrCEF.exe	94
PID 1492 wrote to memory of 2880	1492	RdrCEF.exe	94
PID 1492 wrote to memory of 2880	1492	RdrCEF.exe	94
PID 1492 wrote to memory of 2880	1492	RdrCEF.exe	94
PID 1492 wrote to memory of 2880	1492	RdrCEF.exe	94
PID 1492 wrote to memory of 2880	1492	RdrCEF.exe	94
PID 1492 wrote to memory of 2880	1492	RdrCEF.exe	94
PID 1492 wrote to memory of 2880	1492	RdrCEF.exe	94
PID 1492 wrote to memory of 2880	1492	RdrCEF.exe	94
PID 1492 wrote to memory of 2880	1492	RdrCEF.exe	94
PID 1492 wrote to memory of 2880	1492	RdrCEF.exe	94
PID 1492 wrote to memory of 2880	1492	RdrCEF.exe	94
PID 1492 wrote to memory of 2880	1492	RdrCEF.exe	94
PID 1492 wrote to memory of 2880	1492	RdrCEF.exe	94
PID 1492 wrote to memory of 2880	1492	RdrCEF.exe	94
PID 1492 wrote to memory of 2880	1492	RdrCEF.exe	94
PID 1492 wrote to memory of 2880	1492	RdrCEF.exe	94
PID 1492 wrote to memory of 2880	1492	RdrCEF.exe	94
PID 1492 wrote to memory of 2880	1492	RdrCEF.exe	94
PID 1492 wrote to memory of 2880	1492	RdrCEF.exe	94
PID 1492 wrote to memory of 2880	1492	RdrCEF.exe	94
PID 1492 wrote to memory of 2880	1492	RdrCEF.exe	94
PID 1492 wrote to memory of 2880	1492	RdrCEF.exe	94
PID 1492 wrote to memory of 2880	1492	RdrCEF.exe	94
PID 1492 wrote to memory of 2668	1492	RdrCEF.exe	95
PID 1492 wrote to memory of 2668	1492	RdrCEF.exe	95
PID 1492 wrote to memory of 2668	1492	RdrCEF.exe	95
PID 1492 wrote to memory of 2668	1492	RdrCEF.exe	95
PID 1492 wrote to memory of 2668	1492	RdrCEF.exe	95
PID 1492 wrote to memory of 2668	1492	RdrCEF.exe	95
PID 1492 wrote to memory of 2668	1492	RdrCEF.exe	95
PID 1492 wrote to memory of 2668	1492	RdrCEF.exe	95
PID 1492 wrote to memory of 2668	1492	RdrCEF.exe	95
PID 1492 wrote to memory of 2668	1492	RdrCEF.exe	95
PID 1492 wrote to memory of 2668	1492	RdrCEF.exe	95
PID 1492 wrote to memory of 2668	1492	RdrCEF.exe	95
PID 1492 wrote to memory of 2668	1492	RdrCEF.exe	95
PID 1492 wrote to memory of 2668	1492	RdrCEF.exe	95
PID 1492 wrote to memory of 2668	1492	RdrCEF.exe	95
PID 1492 wrote to memory of 2668	1492	RdrCEF.exe	95
PID 1492 wrote to memory of 2668	1492	RdrCEF.exe	95
PID 1492 wrote to memory of 2668	1492	RdrCEF.exe	95
PID 1492 wrote to memory of 2668	1492	RdrCEF.exe	95
PID 1492 wrote to memory of 2668	1492	RdrCEF.exe	95

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\20489f6518977440789e8ef1c45b6541.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:4172
- 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:1492
- - 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=6F511A4608738FFE5DA49EC18C2BCEA9 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2880
- - 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=79A848A1642D3ED56656E8A620AC634D --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=79A848A1642D3ED56656E8A620AC634D --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2668
- - 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=100D4E1B975D92B02BC2D9E9389C692C --mojo-platform-channel-handle=1844 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4312
- - 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=8C591C71EE143D97BF9DE45CC6ED9A64 --mojo-platform-channel-handle=2356 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:836
- - 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=CAB66CE40ECCCD22608F605DACA3E11B --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=CAB66CE40ECCCD22608F605DACA3E11B --renderer-client-id=5 --mojo-platform-channel-handle=2012 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1496
- - 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=1FB71F161E8623C58C54166FF610AFDA --mojo-platform-channel-handle=1936 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4328

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:436

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
5636a0bf54b7648e62a94fe256fd6bcd

SHA1
5f457a84f35bff25e0a01ab2f6211c1eb5956af2

SHA256
15e216290fbc97fd2b5881a258e621f62a8a9890daf0de1a52054d8eb1a5eb12

SHA512
5cde7b69e6410391d15261d464fda99c913fef550f640e6ec1d08bfabecd0722ea0cba2ce4421fa13c48d02a92b295accc9668e82a79deeca52be46222be20fd

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