36d26087fc77106c82c9a83dd2b2f3c2dc2534e7ca5ff40f7afd50767af400b2

Analysis

max time kernel
143s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 09:30

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General

Target
14903013984afb315a1cffc58ba8eb5a.pdf
Size 15KB
Sample231230-lgrnpabhe6
SHA256 36d26087fc77106c82c9a83dd2b2f3c2dc2534e7ca5ff40f7afd50767af400b2
MD5 14903013984afb315a1cffc58ba8eb5a
SHA1 2ba833e9fa893e56befe1f98008a0853174fb08a
SHA512 7a5b483f70a5b2644cbdd2f6373ec565d3e85f1ed805f6eef510405e55524aa1ce415e0cd75929219e2ee07e722045a76f73d986607479810bb75a979fdd59a4
SSDEEP 384:E1/1bTopdwn0wah7vMCc49W+B5ls6jYUQ:o3oeIvMb44+DlsurQ
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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	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
2928	AcroRd32.exe
2928	AcroRd32.exe
2928	AcroRd32.exe
2928	AcroRd32.exe
2928	AcroRd32.exe
2928	AcroRd32.exe
2928	AcroRd32.exe
2928	AcroRd32.exe
2928	AcroRd32.exe
2928	AcroRd32.exe
2928	AcroRd32.exe
2928	AcroRd32.exe
2928	AcroRd32.exe
2928	AcroRd32.exe
2928	AcroRd32.exe
2928	AcroRd32.exe
2928	AcroRd32.exe
2928	AcroRd32.exe
2928	AcroRd32.exe
2928	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2928	AcroRd32.exe
2928	AcroRd32.exe
2928	AcroRd32.exe
2928	AcroRd32.exe
2928	AcroRd32.exe
2928	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2928 wrote to memory of 3232	2928	AcroRd32.exe	93
PID 2928 wrote to memory of 3232	2928	AcroRd32.exe	93
PID 2928 wrote to memory of 3232	2928	AcroRd32.exe	93
PID 3232 wrote to memory of 2176	3232	RdrCEF.exe	94
PID 3232 wrote to memory of 2176	3232	RdrCEF.exe	94
PID 3232 wrote to memory of 2176	3232	RdrCEF.exe	94
PID 3232 wrote to memory of 2176	3232	RdrCEF.exe	94
PID 3232 wrote to memory of 2176	3232	RdrCEF.exe	94
PID 3232 wrote to memory of 2176	3232	RdrCEF.exe	94
PID 3232 wrote to memory of 2176	3232	RdrCEF.exe	94
PID 3232 wrote to memory of 2176	3232	RdrCEF.exe	94
PID 3232 wrote to memory of 2176	3232	RdrCEF.exe	94
PID 3232 wrote to memory of 2176	3232	RdrCEF.exe	94
PID 3232 wrote to memory of 2176	3232	RdrCEF.exe	94
PID 3232 wrote to memory of 2176	3232	RdrCEF.exe	94
PID 3232 wrote to memory of 2176	3232	RdrCEF.exe	94
PID 3232 wrote to memory of 2176	3232	RdrCEF.exe	94
PID 3232 wrote to memory of 2176	3232	RdrCEF.exe	94
PID 3232 wrote to memory of 2176	3232	RdrCEF.exe	94
PID 3232 wrote to memory of 2176	3232	RdrCEF.exe	94
PID 3232 wrote to memory of 2176	3232	RdrCEF.exe	94
PID 3232 wrote to memory of 2176	3232	RdrCEF.exe	94
PID 3232 wrote to memory of 2176	3232	RdrCEF.exe	94
PID 3232 wrote to memory of 2176	3232	RdrCEF.exe	94
PID 3232 wrote to memory of 2176	3232	RdrCEF.exe	94
PID 3232 wrote to memory of 2176	3232	RdrCEF.exe	94
PID 3232 wrote to memory of 2176	3232	RdrCEF.exe	94
PID 3232 wrote to memory of 2176	3232	RdrCEF.exe	94
PID 3232 wrote to memory of 2176	3232	RdrCEF.exe	94
PID 3232 wrote to memory of 2176	3232	RdrCEF.exe	94
PID 3232 wrote to memory of 2176	3232	RdrCEF.exe	94
PID 3232 wrote to memory of 2176	3232	RdrCEF.exe	94
PID 3232 wrote to memory of 2176	3232	RdrCEF.exe	94
PID 3232 wrote to memory of 2176	3232	RdrCEF.exe	94
PID 3232 wrote to memory of 2176	3232	RdrCEF.exe	94
PID 3232 wrote to memory of 2176	3232	RdrCEF.exe	94
PID 3232 wrote to memory of 2176	3232	RdrCEF.exe	94
PID 3232 wrote to memory of 2176	3232	RdrCEF.exe	94
PID 3232 wrote to memory of 2176	3232	RdrCEF.exe	94
PID 3232 wrote to memory of 2176	3232	RdrCEF.exe	94
PID 3232 wrote to memory of 2176	3232	RdrCEF.exe	94
PID 3232 wrote to memory of 2176	3232	RdrCEF.exe	94
PID 3232 wrote to memory of 2176	3232	RdrCEF.exe	94
PID 3232 wrote to memory of 2176	3232	RdrCEF.exe	94
PID 3232 wrote to memory of 2460	3232	RdrCEF.exe	95
PID 3232 wrote to memory of 2460	3232	RdrCEF.exe	95
PID 3232 wrote to memory of 2460	3232	RdrCEF.exe	95
PID 3232 wrote to memory of 2460	3232	RdrCEF.exe	95
PID 3232 wrote to memory of 2460	3232	RdrCEF.exe	95
PID 3232 wrote to memory of 2460	3232	RdrCEF.exe	95
PID 3232 wrote to memory of 2460	3232	RdrCEF.exe	95
PID 3232 wrote to memory of 2460	3232	RdrCEF.exe	95
PID 3232 wrote to memory of 2460	3232	RdrCEF.exe	95
PID 3232 wrote to memory of 2460	3232	RdrCEF.exe	95
PID 3232 wrote to memory of 2460	3232	RdrCEF.exe	95
PID 3232 wrote to memory of 2460	3232	RdrCEF.exe	95
PID 3232 wrote to memory of 2460	3232	RdrCEF.exe	95
PID 3232 wrote to memory of 2460	3232	RdrCEF.exe	95
PID 3232 wrote to memory of 2460	3232	RdrCEF.exe	95
PID 3232 wrote to memory of 2460	3232	RdrCEF.exe	95
PID 3232 wrote to memory of 2460	3232	RdrCEF.exe	95
PID 3232 wrote to memory of 2460	3232	RdrCEF.exe	95
PID 3232 wrote to memory of 2460	3232	RdrCEF.exe	95
PID 3232 wrote to memory of 2460	3232	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\14903013984afb315a1cffc58ba8eb5a.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2928
- 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:3232
- - 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=638146427B05BFE42CC193C9394ECDA6 --mojo-platform-channel-handle=1716 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2176
- - 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=94182F4CC51F6FB6A5EF8C89F28F4EF3 --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=94182F4CC51F6FB6A5EF8C89F28F4EF3 --renderer-client-id=2 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2460
- - 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=46495B115F5E7DA37F6969B19AB0FE7D --mojo-platform-channel-handle=2168 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:636
- - 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=1678E65D7E6C378A555757549D4BEC48 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4304
- - 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=1D8B9ACDBB547D47FF58B90C9524BCD0 --mojo-platform-channel-handle=2484 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4316

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4424

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 9b27099a408d6d0d97eff6d07d6a9bc2856a3c874f4deef7ef541503ef227bbd
MD5 e1dda94f590a3afa724e4eb19a64ec90
SHA1 9ed58d68c82693247dedd56378c6c71cb666270c
SHA512 7a60cc2d0a94f22db3f804a9005c1f9e8e7a8af59487d905efca0a2250d721bf875c0a130df1e2c5b75b849499cee97bb011b006ddfceb527ac16b3700dfcf25
SSDEEP 384:yeTdThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:e+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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