a2bde775e1fcad93d219d9b196a69201006642ae9b102348810a794564d970fe

Analysis

max time kernel
142s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
14/11/2023, 14:03

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General

Target
NEAS.17f25d9071732ce45a62fe71f8acb790.pdf
Size 353KB
Sample231114-rc7f8sbe78
SHA256 a2bde775e1fcad93d219d9b196a69201006642ae9b102348810a794564d970fe
MD5 17f25d9071732ce45a62fe71f8acb790
SHA1 8bcce0db528817ae06406887d19dbcc857f2c3e6
SHA512 28cbf7bf94b2fd4719434a996ef5ac8e98f30b108d91c7f4c55fd5fa76671e248932d98d9a6efdfce68a5da9d3f99ff3505561288bba245f22998572dca4d78c
SSDEEP 6144:VsqBfxD3QZnH9zZ91j4BXnyF2DSvcW7qCaXd2rE52v3PUW2sTOLZr:fBfxbQ5H5Zj4RiaXdT2fjqdr
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-1-5-21-984744499-3605095035-265325720-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4712	AcroRd32.exe
4712	AcroRd32.exe
4712	AcroRd32.exe
4712	AcroRd32.exe
4712	AcroRd32.exe
4712	AcroRd32.exe
4712	AcroRd32.exe
4712	AcroRd32.exe
4712	AcroRd32.exe
4712	AcroRd32.exe
4712	AcroRd32.exe
4712	AcroRd32.exe
4712	AcroRd32.exe
4712	AcroRd32.exe
4712	AcroRd32.exe
4712	AcroRd32.exe
4712	AcroRd32.exe
4712	AcroRd32.exe
4712	AcroRd32.exe
4712	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4712	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4712	AcroRd32.exe
4712	AcroRd32.exe
4712	AcroRd32.exe
4712	AcroRd32.exe
4712	AcroRd32.exe
4712	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4712 wrote to memory of 2476	4712	AcroRd32.exe	95
PID 4712 wrote to memory of 2476	4712	AcroRd32.exe	95
PID 4712 wrote to memory of 2476	4712	AcroRd32.exe	95
PID 2476 wrote to memory of 1884	2476	RdrCEF.exe	96
PID 2476 wrote to memory of 1884	2476	RdrCEF.exe	96
PID 2476 wrote to memory of 1884	2476	RdrCEF.exe	96
PID 2476 wrote to memory of 1884	2476	RdrCEF.exe	96
PID 2476 wrote to memory of 1884	2476	RdrCEF.exe	96
PID 2476 wrote to memory of 1884	2476	RdrCEF.exe	96
PID 2476 wrote to memory of 1884	2476	RdrCEF.exe	96
PID 2476 wrote to memory of 1884	2476	RdrCEF.exe	96
PID 2476 wrote to memory of 1884	2476	RdrCEF.exe	96
PID 2476 wrote to memory of 1884	2476	RdrCEF.exe	96
PID 2476 wrote to memory of 1884	2476	RdrCEF.exe	96
PID 2476 wrote to memory of 1884	2476	RdrCEF.exe	96
PID 2476 wrote to memory of 1884	2476	RdrCEF.exe	96
PID 2476 wrote to memory of 1884	2476	RdrCEF.exe	96
PID 2476 wrote to memory of 1884	2476	RdrCEF.exe	96
PID 2476 wrote to memory of 1884	2476	RdrCEF.exe	96
PID 2476 wrote to memory of 1884	2476	RdrCEF.exe	96
PID 2476 wrote to memory of 1884	2476	RdrCEF.exe	96
PID 2476 wrote to memory of 1884	2476	RdrCEF.exe	96
PID 2476 wrote to memory of 1884	2476	RdrCEF.exe	96
PID 2476 wrote to memory of 1884	2476	RdrCEF.exe	96
PID 2476 wrote to memory of 1884	2476	RdrCEF.exe	96
PID 2476 wrote to memory of 1884	2476	RdrCEF.exe	96
PID 2476 wrote to memory of 1884	2476	RdrCEF.exe	96
PID 2476 wrote to memory of 1884	2476	RdrCEF.exe	96
PID 2476 wrote to memory of 1884	2476	RdrCEF.exe	96
PID 2476 wrote to memory of 1884	2476	RdrCEF.exe	96
PID 2476 wrote to memory of 1884	2476	RdrCEF.exe	96
PID 2476 wrote to memory of 1884	2476	RdrCEF.exe	96
PID 2476 wrote to memory of 1884	2476	RdrCEF.exe	96
PID 2476 wrote to memory of 1884	2476	RdrCEF.exe	96
PID 2476 wrote to memory of 1884	2476	RdrCEF.exe	96
PID 2476 wrote to memory of 1884	2476	RdrCEF.exe	96
PID 2476 wrote to memory of 1884	2476	RdrCEF.exe	96
PID 2476 wrote to memory of 1884	2476	RdrCEF.exe	96
PID 2476 wrote to memory of 1884	2476	RdrCEF.exe	96
PID 2476 wrote to memory of 1884	2476	RdrCEF.exe	96
PID 2476 wrote to memory of 1884	2476	RdrCEF.exe	96
PID 2476 wrote to memory of 1884	2476	RdrCEF.exe	96
PID 2476 wrote to memory of 1884	2476	RdrCEF.exe	96
PID 2476 wrote to memory of 1884	2476	RdrCEF.exe	96
PID 2476 wrote to memory of 1884	2476	RdrCEF.exe	96
PID 2476 wrote to memory of 1884	2476	RdrCEF.exe	96
PID 2476 wrote to memory of 3300	2476	RdrCEF.exe	97
PID 2476 wrote to memory of 3300	2476	RdrCEF.exe	97
PID 2476 wrote to memory of 3300	2476	RdrCEF.exe	97
PID 2476 wrote to memory of 3300	2476	RdrCEF.exe	97
PID 2476 wrote to memory of 3300	2476	RdrCEF.exe	97
PID 2476 wrote to memory of 3300	2476	RdrCEF.exe	97
PID 2476 wrote to memory of 3300	2476	RdrCEF.exe	97
PID 2476 wrote to memory of 3300	2476	RdrCEF.exe	97
PID 2476 wrote to memory of 3300	2476	RdrCEF.exe	97
PID 2476 wrote to memory of 3300	2476	RdrCEF.exe	97
PID 2476 wrote to memory of 3300	2476	RdrCEF.exe	97
PID 2476 wrote to memory of 3300	2476	RdrCEF.exe	97
PID 2476 wrote to memory of 3300	2476	RdrCEF.exe	97
PID 2476 wrote to memory of 3300	2476	RdrCEF.exe	97
PID 2476 wrote to memory of 3300	2476	RdrCEF.exe	97
PID 2476 wrote to memory of 3300	2476	RdrCEF.exe	97
PID 2476 wrote to memory of 3300	2476	RdrCEF.exe	97
PID 2476 wrote to memory of 3300	2476	RdrCEF.exe	97

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\NEAS.17f25d9071732ce45a62fe71f8acb790.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:4712
- 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:2476
- - 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=CC829E8B4C0FAB1BF88A0A248CB2D16D --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=CC829E8B4C0FAB1BF88A0A248CB2D16D --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1884
- - 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=6B926F7AB1AA06B2AA4068FA720B237E --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3300
- - 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=D0DBC5C3C26D202A972DFF4A59BE90FB --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=D0DBC5C3C26D202A972DFF4A59BE90FB --renderer-client-id=4 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job /prefetch:1
    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=AA343991CF7830F8A1478BA5BEBDC129 --mojo-platform-channel-handle=2468 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2636
- - 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=1BE2C11F1FD04158FA5D52EE3ADACDAF --mojo-platform-channel-handle=2484 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4256
- - 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=D2E9FEB561339B9B5FEB53C0213991A7 --mojo-platform-channel-handle=2516 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3496

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 6b6a93933bfd4b283045f41c0bf38a6dd12dc0de737ff37b2e8d13beb9850297
MD5 e49a4b7c55bacaadeeeaf41b724765d9
SHA1 4285e4124e97e48be2edefdf7f98933560c40294
SHA512 0ac019864364dcc2e9c70f4ea849fea62eb2a873b86a902f043512ec375be450e506769df92f718697e79b686bd440fadfb7fec325b270859ce54108735a0e9c
SSDEEP 384:yeFdThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:U+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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