2889d9efeb8034cf205a69b1144637e845de8104f104026ab4dfdcc90c2389b3

Analysis

max time kernel
141s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
14/02/2024, 09:56

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General

Target
9b5e9adcdca17afa2187ddbd987646bd.pdf
Size 35KB
Sample240214-lygvtage45
SHA256 2889d9efeb8034cf205a69b1144637e845de8104f104026ab4dfdcc90c2389b3
MD5 9b5e9adcdca17afa2187ddbd987646bd
SHA1 31112ac8a463588cbf153b8ff8b3b1fadf063c53
SHA512 fad0d4146b8479c541ec13a57afa7f481169901fe34e427c98bc7655072798b6447524aad8b0f82499231fdbf6a8fd8fc02e2c3d8ed650e3e381bbeebc7aef63
SSDEEP 768:RoGL5mvZxyK/uWu/CjKp9sQsMdFr1S1KpsJq:RTL5+r0/Ck9sQsMdFr1S1KyJq
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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
904	AcroRd32.exe
904	AcroRd32.exe
904	AcroRd32.exe
904	AcroRd32.exe
904	AcroRd32.exe
904	AcroRd32.exe
904	AcroRd32.exe
904	AcroRd32.exe
904	AcroRd32.exe
904	AcroRd32.exe
904	AcroRd32.exe
904	AcroRd32.exe
904	AcroRd32.exe
904	AcroRd32.exe
904	AcroRd32.exe
904	AcroRd32.exe
904	AcroRd32.exe
904	AcroRd32.exe
904	AcroRd32.exe
904	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
904	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
904	AcroRd32.exe
904	AcroRd32.exe
904	AcroRd32.exe
904	AcroRd32.exe
904	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 904 wrote to memory of 5088	904	AcroRd32.exe	84
PID 904 wrote to memory of 5088	904	AcroRd32.exe	84
PID 904 wrote to memory of 5088	904	AcroRd32.exe	84
PID 5088 wrote to memory of 4028	5088	RdrCEF.exe	85
PID 5088 wrote to memory of 4028	5088	RdrCEF.exe	85
PID 5088 wrote to memory of 4028	5088	RdrCEF.exe	85
PID 5088 wrote to memory of 4028	5088	RdrCEF.exe	85
PID 5088 wrote to memory of 4028	5088	RdrCEF.exe	85
PID 5088 wrote to memory of 4028	5088	RdrCEF.exe	85
PID 5088 wrote to memory of 4028	5088	RdrCEF.exe	85
PID 5088 wrote to memory of 4028	5088	RdrCEF.exe	85
PID 5088 wrote to memory of 4028	5088	RdrCEF.exe	85
PID 5088 wrote to memory of 4028	5088	RdrCEF.exe	85
PID 5088 wrote to memory of 4028	5088	RdrCEF.exe	85
PID 5088 wrote to memory of 4028	5088	RdrCEF.exe	85
PID 5088 wrote to memory of 4028	5088	RdrCEF.exe	85
PID 5088 wrote to memory of 4028	5088	RdrCEF.exe	85
PID 5088 wrote to memory of 4028	5088	RdrCEF.exe	85
PID 5088 wrote to memory of 4028	5088	RdrCEF.exe	85
PID 5088 wrote to memory of 4028	5088	RdrCEF.exe	85
PID 5088 wrote to memory of 4028	5088	RdrCEF.exe	85
PID 5088 wrote to memory of 4028	5088	RdrCEF.exe	85
PID 5088 wrote to memory of 4028	5088	RdrCEF.exe	85
PID 5088 wrote to memory of 4028	5088	RdrCEF.exe	85
PID 5088 wrote to memory of 4028	5088	RdrCEF.exe	85
PID 5088 wrote to memory of 4028	5088	RdrCEF.exe	85
PID 5088 wrote to memory of 4028	5088	RdrCEF.exe	85
PID 5088 wrote to memory of 4028	5088	RdrCEF.exe	85
PID 5088 wrote to memory of 4028	5088	RdrCEF.exe	85
PID 5088 wrote to memory of 4028	5088	RdrCEF.exe	85
PID 5088 wrote to memory of 4028	5088	RdrCEF.exe	85
PID 5088 wrote to memory of 4028	5088	RdrCEF.exe	85
PID 5088 wrote to memory of 4028	5088	RdrCEF.exe	85
PID 5088 wrote to memory of 4028	5088	RdrCEF.exe	85
PID 5088 wrote to memory of 4028	5088	RdrCEF.exe	85
PID 5088 wrote to memory of 4028	5088	RdrCEF.exe	85
PID 5088 wrote to memory of 4028	5088	RdrCEF.exe	85
PID 5088 wrote to memory of 4028	5088	RdrCEF.exe	85
PID 5088 wrote to memory of 4028	5088	RdrCEF.exe	85
PID 5088 wrote to memory of 4028	5088	RdrCEF.exe	85
PID 5088 wrote to memory of 4028	5088	RdrCEF.exe	85
PID 5088 wrote to memory of 4028	5088	RdrCEF.exe	85
PID 5088 wrote to memory of 4028	5088	RdrCEF.exe	85
PID 5088 wrote to memory of 4028	5088	RdrCEF.exe	85
PID 5088 wrote to memory of 1620	5088	RdrCEF.exe	86
PID 5088 wrote to memory of 1620	5088	RdrCEF.exe	86
PID 5088 wrote to memory of 1620	5088	RdrCEF.exe	86
PID 5088 wrote to memory of 1620	5088	RdrCEF.exe	86
PID 5088 wrote to memory of 1620	5088	RdrCEF.exe	86
PID 5088 wrote to memory of 1620	5088	RdrCEF.exe	86
PID 5088 wrote to memory of 1620	5088	RdrCEF.exe	86
PID 5088 wrote to memory of 1620	5088	RdrCEF.exe	86
PID 5088 wrote to memory of 1620	5088	RdrCEF.exe	86
PID 5088 wrote to memory of 1620	5088	RdrCEF.exe	86
PID 5088 wrote to memory of 1620	5088	RdrCEF.exe	86
PID 5088 wrote to memory of 1620	5088	RdrCEF.exe	86
PID 5088 wrote to memory of 1620	5088	RdrCEF.exe	86
PID 5088 wrote to memory of 1620	5088	RdrCEF.exe	86
PID 5088 wrote to memory of 1620	5088	RdrCEF.exe	86
PID 5088 wrote to memory of 1620	5088	RdrCEF.exe	86
PID 5088 wrote to memory of 1620	5088	RdrCEF.exe	86
PID 5088 wrote to memory of 1620	5088	RdrCEF.exe	86
PID 5088 wrote to memory of 1620	5088	RdrCEF.exe	86
PID 5088 wrote to memory of 1620	5088	RdrCEF.exe	86

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\9b5e9adcdca17afa2187ddbd987646bd.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:904
- 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:5088
- - 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=1C50A089365737A3476272D3A483E5FC --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4028
- - 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=D47C1C0C25F4FD3601D46DFD686FB942 --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=D47C1C0C25F4FD3601D46DFD686FB942 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1620
- - 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=E1B630F6DDEAF54528069AD964A112DB --mojo-platform-channel-handle=2184 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4156
- - 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=4F1A10E769FFDD4D3CD1ABE9598D2D0B --mojo-platform-channel-handle=1948 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4788
- - 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=6F8C7E057BDB6F4C2D4854E9ECFAAE7E --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2568
- - 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=FD462969C502C3C43D3C11A98DFA48F8 --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=FD462969C502C3C43D3C11A98DFA48F8 --renderer-client-id=7 --mojo-platform-channel-handle=1960 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3412

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4056

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 18c860204ada2fb8e8cdcf992812d823c557907ba73c356f1c86085ad03297e0
MD5 4619cac35f07bd03ac3fd6ec9edcacc1
SHA1 3ca4304ba57f0c13f05b916928fcec31494e1780
SHA512 e161e94e320507024a3e6bf7126309f7036088d7744e437ff31e21c3cb1cf9c12d76d40177b84cc063fd694d0e9c07acc610db71c08aed037209d7393fe9cd54
SSDEEP 384:yeGdThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:N+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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