8440fedce989450610a6086a1af4d74e38c88eca6ca330c0cb8dd641d49b769c

Analysis

max time kernel
151s
max time network
161s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
10/03/2024, 11:42

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General

Target
be85ee6490d2d88c1538ceed081b88ee.pdf
Size 46KB
Sample240310-nt141acc2z
SHA256 8440fedce989450610a6086a1af4d74e38c88eca6ca330c0cb8dd641d49b769c
MD5 be85ee6490d2d88c1538ceed081b88ee
SHA1 ad0eb700307313372346aff57b8941b4e2597fa0
SHA512 6890d7e056289692a953303374602d1687b0e0ccb94248ca5fe8b0ed162a8b37733ef5453e9b36c28a72a0f941b87f963bb1441e2826fb46f1f0985743133cb0
SSDEEP 768:nF0EhZ9cFXzotXB+zqaXiBGa2FLJTiuDN5rAa1giGZfoMIsc7WEqWz23N:nuKZ9EXzWXBdwia7Wy5Ma1bGZfesIWHV
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-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4852	AcroRd32.exe
4852	AcroRd32.exe
4852	AcroRd32.exe
4852	AcroRd32.exe
4852	AcroRd32.exe
4852	AcroRd32.exe
4852	AcroRd32.exe
4852	AcroRd32.exe
4852	AcroRd32.exe
4852	AcroRd32.exe
4852	AcroRd32.exe
4852	AcroRd32.exe
4852	AcroRd32.exe
4852	AcroRd32.exe
4852	AcroRd32.exe
4852	AcroRd32.exe
4852	AcroRd32.exe
4852	AcroRd32.exe
4852	AcroRd32.exe
4852	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4852	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4852	AcroRd32.exe
4852	AcroRd32.exe
4852	AcroRd32.exe
4852	AcroRd32.exe
4852	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4852 wrote to memory of 1284	4852	AcroRd32.exe	92
PID 4852 wrote to memory of 1284	4852	AcroRd32.exe	92
PID 4852 wrote to memory of 1284	4852	AcroRd32.exe	92
PID 1284 wrote to memory of 3056	1284	RdrCEF.exe	94
PID 1284 wrote to memory of 3056	1284	RdrCEF.exe	94
PID 1284 wrote to memory of 3056	1284	RdrCEF.exe	94
PID 1284 wrote to memory of 3056	1284	RdrCEF.exe	94
PID 1284 wrote to memory of 3056	1284	RdrCEF.exe	94
PID 1284 wrote to memory of 3056	1284	RdrCEF.exe	94
PID 1284 wrote to memory of 3056	1284	RdrCEF.exe	94
PID 1284 wrote to memory of 3056	1284	RdrCEF.exe	94
PID 1284 wrote to memory of 3056	1284	RdrCEF.exe	94
PID 1284 wrote to memory of 3056	1284	RdrCEF.exe	94
PID 1284 wrote to memory of 3056	1284	RdrCEF.exe	94
PID 1284 wrote to memory of 3056	1284	RdrCEF.exe	94
PID 1284 wrote to memory of 3056	1284	RdrCEF.exe	94
PID 1284 wrote to memory of 3056	1284	RdrCEF.exe	94
PID 1284 wrote to memory of 3056	1284	RdrCEF.exe	94
PID 1284 wrote to memory of 3056	1284	RdrCEF.exe	94
PID 1284 wrote to memory of 3056	1284	RdrCEF.exe	94
PID 1284 wrote to memory of 3056	1284	RdrCEF.exe	94
PID 1284 wrote to memory of 3056	1284	RdrCEF.exe	94
PID 1284 wrote to memory of 3056	1284	RdrCEF.exe	94
PID 1284 wrote to memory of 3056	1284	RdrCEF.exe	94
PID 1284 wrote to memory of 3056	1284	RdrCEF.exe	94
PID 1284 wrote to memory of 3056	1284	RdrCEF.exe	94
PID 1284 wrote to memory of 3056	1284	RdrCEF.exe	94
PID 1284 wrote to memory of 3056	1284	RdrCEF.exe	94
PID 1284 wrote to memory of 3056	1284	RdrCEF.exe	94
PID 1284 wrote to memory of 3056	1284	RdrCEF.exe	94
PID 1284 wrote to memory of 3056	1284	RdrCEF.exe	94
PID 1284 wrote to memory of 3056	1284	RdrCEF.exe	94
PID 1284 wrote to memory of 3056	1284	RdrCEF.exe	94
PID 1284 wrote to memory of 3056	1284	RdrCEF.exe	94
PID 1284 wrote to memory of 3056	1284	RdrCEF.exe	94
PID 1284 wrote to memory of 3056	1284	RdrCEF.exe	94
PID 1284 wrote to memory of 3056	1284	RdrCEF.exe	94
PID 1284 wrote to memory of 3056	1284	RdrCEF.exe	94
PID 1284 wrote to memory of 3056	1284	RdrCEF.exe	94
PID 1284 wrote to memory of 3056	1284	RdrCEF.exe	94
PID 1284 wrote to memory of 3056	1284	RdrCEF.exe	94
PID 1284 wrote to memory of 3056	1284	RdrCEF.exe	94
PID 1284 wrote to memory of 3056	1284	RdrCEF.exe	94
PID 1284 wrote to memory of 3056	1284	RdrCEF.exe	94
PID 1284 wrote to memory of 944	1284	RdrCEF.exe	95
PID 1284 wrote to memory of 944	1284	RdrCEF.exe	95
PID 1284 wrote to memory of 944	1284	RdrCEF.exe	95
PID 1284 wrote to memory of 944	1284	RdrCEF.exe	95
PID 1284 wrote to memory of 944	1284	RdrCEF.exe	95
PID 1284 wrote to memory of 944	1284	RdrCEF.exe	95
PID 1284 wrote to memory of 944	1284	RdrCEF.exe	95
PID 1284 wrote to memory of 944	1284	RdrCEF.exe	95
PID 1284 wrote to memory of 944	1284	RdrCEF.exe	95
PID 1284 wrote to memory of 944	1284	RdrCEF.exe	95
PID 1284 wrote to memory of 944	1284	RdrCEF.exe	95
PID 1284 wrote to memory of 944	1284	RdrCEF.exe	95
PID 1284 wrote to memory of 944	1284	RdrCEF.exe	95
PID 1284 wrote to memory of 944	1284	RdrCEF.exe	95
PID 1284 wrote to memory of 944	1284	RdrCEF.exe	95
PID 1284 wrote to memory of 944	1284	RdrCEF.exe	95
PID 1284 wrote to memory of 944	1284	RdrCEF.exe	95
PID 1284 wrote to memory of 944	1284	RdrCEF.exe	95
PID 1284 wrote to memory of 944	1284	RdrCEF.exe	95
PID 1284 wrote to memory of 944	1284	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\be85ee6490d2d88c1538ceed081b88ee.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:4852
- 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:1284
- - 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=5ADE9BF6CDA866981E8C23F6D3F17DC8 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3056
- - 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=BD076AF1D2D8D17B7A56E90638773FC8 --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=BD076AF1D2D8D17B7A56E90638773FC8 --renderer-client-id=2 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:944
- - 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=8B8B78322995B66C713C0818C5C3A4E0 --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=8B8B78322995B66C713C0818C5C3A4E0 --renderer-client-id=4 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2000
- - 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=2CBEC0C90AEEAC1A0D9957AB79F6E1BE --mojo-platform-channel-handle=2544 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3012
- - 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=14A814F2C42EC957B4AA2B0BD28E2C1D --mojo-platform-channel-handle=1952 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1048
- - 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=5797A57030BC888ED4FF0757E6D9A443 --mojo-platform-channel-handle=2624 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2852

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4940

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 f7fce93af52d30ced0c9b920a4384ac55be9564a4f93f80395870be8ab0492e4
MD5 6109446d25e06be88f90c68a3f43a915
SHA1 527d7df38b794a05873e8932ee352342a258bd74
SHA512 919c4612508c43432630d200e369b2e0bc4702d91e52a31f21393f09a85b6e1c5ffee0e642a070d83c66bf3b49a1e8bc00d67270a32cd9fa02baca1b6e5ea238
SSDEEP 384:yeddThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:s+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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