a10fed75d2dd3cdd293b69f1c17abb61a1645fcc8576378e45131a361772b598

Analysis

max time kernel
143s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
28/01/2024, 16:59

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General

Target
7d8511ad93a0fe92592578226176f9ce.pdf
Size 4KB
Sample240128-vhxe1aebc3
SHA256 a10fed75d2dd3cdd293b69f1c17abb61a1645fcc8576378e45131a361772b598
MD5 7d8511ad93a0fe92592578226176f9ce
SHA1 22fcc4d983ea7307e9d4d1ae3ddc94d3bff64726
SHA512 ff2468c20f2b79334bb8620be254b57dc8436e1b8c05eb2080fd4c9bfb93764f56228e58773918d11858c92f39ec149c597a5d8545ee5dabd42a56c0eb9e16bb
SSDEEP 96:M0G1oBwyGL5mt4Qy+SdLYVH4gafxBRudaW45Q76txVUV+jvUEFORSa5:M0G2myGLcty0VH4rfHEkWN76txVUIZFU
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-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1536	AcroRd32.exe
1536	AcroRd32.exe
1536	AcroRd32.exe
1536	AcroRd32.exe
1536	AcroRd32.exe
1536	AcroRd32.exe
1536	AcroRd32.exe
1536	AcroRd32.exe
1536	AcroRd32.exe
1536	AcroRd32.exe
1536	AcroRd32.exe
1536	AcroRd32.exe
1536	AcroRd32.exe
1536	AcroRd32.exe
1536	AcroRd32.exe
1536	AcroRd32.exe
1536	AcroRd32.exe
1536	AcroRd32.exe
1536	AcroRd32.exe
1536	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1536	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1536	AcroRd32.exe
1536	AcroRd32.exe
1536	AcroRd32.exe
1536	AcroRd32.exe
1536	AcroRd32.exe
1536	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1536 wrote to memory of 2720	1536	AcroRd32.exe	87
PID 1536 wrote to memory of 2720	1536	AcroRd32.exe	87
PID 1536 wrote to memory of 2720	1536	AcroRd32.exe	87
PID 2720 wrote to memory of 4492	2720	RdrCEF.exe	88
PID 2720 wrote to memory of 4492	2720	RdrCEF.exe	88
PID 2720 wrote to memory of 4492	2720	RdrCEF.exe	88
PID 2720 wrote to memory of 4492	2720	RdrCEF.exe	88
PID 2720 wrote to memory of 4492	2720	RdrCEF.exe	88
PID 2720 wrote to memory of 4492	2720	RdrCEF.exe	88
PID 2720 wrote to memory of 4492	2720	RdrCEF.exe	88
PID 2720 wrote to memory of 4492	2720	RdrCEF.exe	88
PID 2720 wrote to memory of 4492	2720	RdrCEF.exe	88
PID 2720 wrote to memory of 4492	2720	RdrCEF.exe	88
PID 2720 wrote to memory of 4492	2720	RdrCEF.exe	88
PID 2720 wrote to memory of 4492	2720	RdrCEF.exe	88
PID 2720 wrote to memory of 4492	2720	RdrCEF.exe	88
PID 2720 wrote to memory of 4492	2720	RdrCEF.exe	88
PID 2720 wrote to memory of 4492	2720	RdrCEF.exe	88
PID 2720 wrote to memory of 4492	2720	RdrCEF.exe	88
PID 2720 wrote to memory of 4492	2720	RdrCEF.exe	88
PID 2720 wrote to memory of 4492	2720	RdrCEF.exe	88
PID 2720 wrote to memory of 4492	2720	RdrCEF.exe	88
PID 2720 wrote to memory of 4492	2720	RdrCEF.exe	88
PID 2720 wrote to memory of 4492	2720	RdrCEF.exe	88
PID 2720 wrote to memory of 4492	2720	RdrCEF.exe	88
PID 2720 wrote to memory of 4492	2720	RdrCEF.exe	88
PID 2720 wrote to memory of 4492	2720	RdrCEF.exe	88
PID 2720 wrote to memory of 4492	2720	RdrCEF.exe	88
PID 2720 wrote to memory of 4492	2720	RdrCEF.exe	88
PID 2720 wrote to memory of 4492	2720	RdrCEF.exe	88
PID 2720 wrote to memory of 4492	2720	RdrCEF.exe	88
PID 2720 wrote to memory of 4492	2720	RdrCEF.exe	88
PID 2720 wrote to memory of 4492	2720	RdrCEF.exe	88
PID 2720 wrote to memory of 4492	2720	RdrCEF.exe	88
PID 2720 wrote to memory of 4492	2720	RdrCEF.exe	88
PID 2720 wrote to memory of 4492	2720	RdrCEF.exe	88
PID 2720 wrote to memory of 4492	2720	RdrCEF.exe	88
PID 2720 wrote to memory of 4492	2720	RdrCEF.exe	88
PID 2720 wrote to memory of 4492	2720	RdrCEF.exe	88
PID 2720 wrote to memory of 4492	2720	RdrCEF.exe	88
PID 2720 wrote to memory of 4492	2720	RdrCEF.exe	88
PID 2720 wrote to memory of 4492	2720	RdrCEF.exe	88
PID 2720 wrote to memory of 4492	2720	RdrCEF.exe	88
PID 2720 wrote to memory of 4492	2720	RdrCEF.exe	88
PID 2720 wrote to memory of 4160	2720	RdrCEF.exe	89
PID 2720 wrote to memory of 4160	2720	RdrCEF.exe	89
PID 2720 wrote to memory of 4160	2720	RdrCEF.exe	89
PID 2720 wrote to memory of 4160	2720	RdrCEF.exe	89
PID 2720 wrote to memory of 4160	2720	RdrCEF.exe	89
PID 2720 wrote to memory of 4160	2720	RdrCEF.exe	89
PID 2720 wrote to memory of 4160	2720	RdrCEF.exe	89
PID 2720 wrote to memory of 4160	2720	RdrCEF.exe	89
PID 2720 wrote to memory of 4160	2720	RdrCEF.exe	89
PID 2720 wrote to memory of 4160	2720	RdrCEF.exe	89
PID 2720 wrote to memory of 4160	2720	RdrCEF.exe	89
PID 2720 wrote to memory of 4160	2720	RdrCEF.exe	89
PID 2720 wrote to memory of 4160	2720	RdrCEF.exe	89
PID 2720 wrote to memory of 4160	2720	RdrCEF.exe	89
PID 2720 wrote to memory of 4160	2720	RdrCEF.exe	89
PID 2720 wrote to memory of 4160	2720	RdrCEF.exe	89
PID 2720 wrote to memory of 4160	2720	RdrCEF.exe	89
PID 2720 wrote to memory of 4160	2720	RdrCEF.exe	89
PID 2720 wrote to memory of 4160	2720	RdrCEF.exe	89
PID 2720 wrote to memory of 4160	2720	RdrCEF.exe	89

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\7d8511ad93a0fe92592578226176f9ce.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:1536
- 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:2720
- - 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=A23ECA15D9C375A9F1F1B309E4C99316 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4492
- - 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=DE85335E12A4C68ACAAD9E4FEF4672E3 --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=DE85335E12A4C68ACAAD9E4FEF4672E3 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4160
- - 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=831BCDA7198A30514051FEF660EA81DE --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=831BCDA7198A30514051FEF660EA81DE --renderer-client-id=4 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4100
- - 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=7D60CFE958AD5E0FEDA6593D8C2C87E1 --mojo-platform-channel-handle=2332 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4316
- - 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=22483F734AC3A46162268CFC61241D90 --mojo-platform-channel-handle=2680 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5072
- - 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=146BF6E5245C52F0D6B95BBA5C39C7F5 --mojo-platform-channel-handle=1936 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3216

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4340

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 30e2256073f52bd486694b935dc15765b94c2deeb0c9b008e71da064c9985625
MD5 1dd693953034eca121f1e72d4d752542
SHA1 15b0d99803de5fb7ce400543d4a4b24f3d40dd68
SHA512 0c6cf34ec4c40eb17f285a7535edde807b77c5eb53cf76c6acd93da9f893c6e5f0137d1b30cae65a22a988a3880f66bff390eb3895955d2564a0d85b0ff11ca7
SSDEEP 384:ye8dThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:f+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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