1bf6612c5988c3793b7b44bb461ab0c150f76189b1201b7943baba11b22a0676

Analysis

max time kernel
151s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
29/12/2023, 19:24

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General

Target
019c18e647f238de26892d877c0b6d69.pdf
Size 88KB
Sample231229-x4cc3aadbr
SHA256 1bf6612c5988c3793b7b44bb461ab0c150f76189b1201b7943baba11b22a0676
MD5 019c18e647f238de26892d877c0b6d69
SHA1 25a170b4b1720f64df35bcd15de0b8809628f279
SHA512 06857ff04e3c8d781c865d9aa5eae2b1525c2ef9ead1300859a741a4d56daf24dd7c8eefb105e5af6c2010aa18e0acb8849ebe39bcda0bb89e592de4c3ae1c77
SSDEEP 1536:5/Ju7VKQplrFKd1jQSQzlyashQQJ24jWmueLj4+DW9Tg8k4WOpOaZdV3o3wD2Gw:EVbvrFKd1qzXsQYZjhVUdg8k1aZdVqwK
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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2144	AcroRd32.exe
2144	AcroRd32.exe
2144	AcroRd32.exe
2144	AcroRd32.exe
2144	AcroRd32.exe
2144	AcroRd32.exe
2144	AcroRd32.exe
2144	AcroRd32.exe
2144	AcroRd32.exe
2144	AcroRd32.exe
2144	AcroRd32.exe
2144	AcroRd32.exe
2144	AcroRd32.exe
2144	AcroRd32.exe
2144	AcroRd32.exe
2144	AcroRd32.exe
2144	AcroRd32.exe
2144	AcroRd32.exe
2144	AcroRd32.exe
2144	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2144	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2144	AcroRd32.exe
2144	AcroRd32.exe
2144	AcroRd32.exe
2144	AcroRd32.exe
2144	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2144 wrote to memory of 580	2144	AcroRd32.exe	92
PID 2144 wrote to memory of 580	2144	AcroRd32.exe	92
PID 2144 wrote to memory of 580	2144	AcroRd32.exe	92
PID 580 wrote to memory of 4792	580	RdrCEF.exe	94
PID 580 wrote to memory of 4792	580	RdrCEF.exe	94
PID 580 wrote to memory of 4792	580	RdrCEF.exe	94
PID 580 wrote to memory of 4792	580	RdrCEF.exe	94
PID 580 wrote to memory of 4792	580	RdrCEF.exe	94
PID 580 wrote to memory of 4792	580	RdrCEF.exe	94
PID 580 wrote to memory of 4792	580	RdrCEF.exe	94
PID 580 wrote to memory of 4792	580	RdrCEF.exe	94
PID 580 wrote to memory of 4792	580	RdrCEF.exe	94
PID 580 wrote to memory of 4792	580	RdrCEF.exe	94
PID 580 wrote to memory of 4792	580	RdrCEF.exe	94
PID 580 wrote to memory of 4792	580	RdrCEF.exe	94
PID 580 wrote to memory of 4792	580	RdrCEF.exe	94
PID 580 wrote to memory of 4792	580	RdrCEF.exe	94
PID 580 wrote to memory of 4792	580	RdrCEF.exe	94
PID 580 wrote to memory of 4792	580	RdrCEF.exe	94
PID 580 wrote to memory of 4792	580	RdrCEF.exe	94
PID 580 wrote to memory of 4792	580	RdrCEF.exe	94
PID 580 wrote to memory of 4792	580	RdrCEF.exe	94
PID 580 wrote to memory of 4792	580	RdrCEF.exe	94
PID 580 wrote to memory of 4792	580	RdrCEF.exe	94
PID 580 wrote to memory of 4792	580	RdrCEF.exe	94
PID 580 wrote to memory of 4792	580	RdrCEF.exe	94
PID 580 wrote to memory of 4792	580	RdrCEF.exe	94
PID 580 wrote to memory of 4792	580	RdrCEF.exe	94
PID 580 wrote to memory of 4792	580	RdrCEF.exe	94
PID 580 wrote to memory of 4792	580	RdrCEF.exe	94
PID 580 wrote to memory of 4792	580	RdrCEF.exe	94
PID 580 wrote to memory of 4792	580	RdrCEF.exe	94
PID 580 wrote to memory of 4792	580	RdrCEF.exe	94
PID 580 wrote to memory of 4792	580	RdrCEF.exe	94
PID 580 wrote to memory of 4792	580	RdrCEF.exe	94
PID 580 wrote to memory of 4792	580	RdrCEF.exe	94
PID 580 wrote to memory of 4792	580	RdrCEF.exe	94
PID 580 wrote to memory of 4792	580	RdrCEF.exe	94
PID 580 wrote to memory of 4792	580	RdrCEF.exe	94
PID 580 wrote to memory of 4792	580	RdrCEF.exe	94
PID 580 wrote to memory of 4792	580	RdrCEF.exe	94
PID 580 wrote to memory of 4792	580	RdrCEF.exe	94
PID 580 wrote to memory of 4792	580	RdrCEF.exe	94
PID 580 wrote to memory of 4792	580	RdrCEF.exe	94
PID 580 wrote to memory of 1976	580	RdrCEF.exe	95
PID 580 wrote to memory of 1976	580	RdrCEF.exe	95
PID 580 wrote to memory of 1976	580	RdrCEF.exe	95
PID 580 wrote to memory of 1976	580	RdrCEF.exe	95
PID 580 wrote to memory of 1976	580	RdrCEF.exe	95
PID 580 wrote to memory of 1976	580	RdrCEF.exe	95
PID 580 wrote to memory of 1976	580	RdrCEF.exe	95
PID 580 wrote to memory of 1976	580	RdrCEF.exe	95
PID 580 wrote to memory of 1976	580	RdrCEF.exe	95
PID 580 wrote to memory of 1976	580	RdrCEF.exe	95
PID 580 wrote to memory of 1976	580	RdrCEF.exe	95
PID 580 wrote to memory of 1976	580	RdrCEF.exe	95
PID 580 wrote to memory of 1976	580	RdrCEF.exe	95
PID 580 wrote to memory of 1976	580	RdrCEF.exe	95
PID 580 wrote to memory of 1976	580	RdrCEF.exe	95
PID 580 wrote to memory of 1976	580	RdrCEF.exe	95
PID 580 wrote to memory of 1976	580	RdrCEF.exe	95
PID 580 wrote to memory of 1976	580	RdrCEF.exe	95
PID 580 wrote to memory of 1976	580	RdrCEF.exe	95
PID 580 wrote to memory of 1976	580	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\019c18e647f238de26892d877c0b6d69.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:2144
- 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:580
- - 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=DA91BA2FFD84ADD703E741D5F99E88CA --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4792
- - 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=0E0BF10F7893DD85E17F747EAEEB5A87 --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=0E0BF10F7893DD85E17F747EAEEB5A87 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1976
- - 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=4B323261557E4D6DCB54F7D4DCE0E7B0 --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=4B323261557E4D6DCB54F7D4DCE0E7B0 --renderer-client-id=4 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1900
- - 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=E9DE4E9CBA4C983600EACB64A30A2720 --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4024
- - 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=4274BA8DBA5BAA7959FB8644A375A042 --mojo-platform-channel-handle=1948 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3268
- - 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=A2301020B5A8362B3B834B740BF43EE0 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:892

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4748

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 bf398794a104ef7cbb4dd3d3779449c12427f9b1fcafb6a3a11e96d490574901
MD5 68c878e9e2b4e8da548df4c1e3bb070e
SHA1 8a5123ae97a4965ef64eb53061c467194e2f3acf
SHA512 200faf5224fbb04e9868a99aa6144d5db60268082b358ee5ffb77ce1e6261e644c89af09e45042978eb2d2818b62ae16539a15718b0d537a2de8aa44a091c995
SSDEEP 384:yeJdThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:A+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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