5134931a5f80596a3cd5b7a8ce24c676322193c8682bf2db7e1ed0d20978a09e

Analysis

max time kernel
148s
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
31/10/2023, 08:51

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General

Target
NEAS.1f30328d02298271820d274704487fd0.pdf
Size 33KB
Sample231031-kseb3abc4w
SHA256 5134931a5f80596a3cd5b7a8ce24c676322193c8682bf2db7e1ed0d20978a09e
MD5 1f30328d02298271820d274704487fd0
SHA1 5b6001ff28e90d7a9e0cc4990640b270403596b4
SHA512 6f9dd280694f8c94f62689bb94ca2ed53ff37a5b6b447e9be5ced47a413b6415b22bf8ba48b0316ff43e5c457209138825f88e03425f2665258d3e1906554d86
SSDEEP 768:Vzkzk2S+2zHkzWSdgg1kgzidsuft9y6rl3wJc0YiOx4XSjjFYLpRr8Fy6T:8S+uMhuFaJNW2SFYLpgV
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-1-5-21-1114462139-3090196418-29517368-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3592	AcroRd32.exe
3592	AcroRd32.exe
3592	AcroRd32.exe
3592	AcroRd32.exe
3592	AcroRd32.exe
3592	AcroRd32.exe
3592	AcroRd32.exe
3592	AcroRd32.exe
3592	AcroRd32.exe
3592	AcroRd32.exe
3592	AcroRd32.exe
3592	AcroRd32.exe
3592	AcroRd32.exe
3592	AcroRd32.exe
3592	AcroRd32.exe
3592	AcroRd32.exe
3592	AcroRd32.exe
3592	AcroRd32.exe
3592	AcroRd32.exe
3592	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3592	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3592	AcroRd32.exe
3592	AcroRd32.exe
3592	AcroRd32.exe
3592	AcroRd32.exe
3592	AcroRd32.exe
3592	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3592 wrote to memory of 1532	3592	AcroRd32.exe	94
PID 3592 wrote to memory of 1532	3592	AcroRd32.exe	94
PID 3592 wrote to memory of 1532	3592	AcroRd32.exe	94
PID 1532 wrote to memory of 2788	1532	RdrCEF.exe	96
PID 1532 wrote to memory of 2788	1532	RdrCEF.exe	96
PID 1532 wrote to memory of 2788	1532	RdrCEF.exe	96
PID 1532 wrote to memory of 2788	1532	RdrCEF.exe	96
PID 1532 wrote to memory of 2788	1532	RdrCEF.exe	96
PID 1532 wrote to memory of 2788	1532	RdrCEF.exe	96
PID 1532 wrote to memory of 2788	1532	RdrCEF.exe	96
PID 1532 wrote to memory of 2788	1532	RdrCEF.exe	96
PID 1532 wrote to memory of 2788	1532	RdrCEF.exe	96
PID 1532 wrote to memory of 2788	1532	RdrCEF.exe	96
PID 1532 wrote to memory of 2788	1532	RdrCEF.exe	96
PID 1532 wrote to memory of 2788	1532	RdrCEF.exe	96
PID 1532 wrote to memory of 2788	1532	RdrCEF.exe	96
PID 1532 wrote to memory of 2788	1532	RdrCEF.exe	96
PID 1532 wrote to memory of 2788	1532	RdrCEF.exe	96
PID 1532 wrote to memory of 2788	1532	RdrCEF.exe	96
PID 1532 wrote to memory of 2788	1532	RdrCEF.exe	96
PID 1532 wrote to memory of 2788	1532	RdrCEF.exe	96
PID 1532 wrote to memory of 2788	1532	RdrCEF.exe	96
PID 1532 wrote to memory of 2788	1532	RdrCEF.exe	96
PID 1532 wrote to memory of 2788	1532	RdrCEF.exe	96
PID 1532 wrote to memory of 2788	1532	RdrCEF.exe	96
PID 1532 wrote to memory of 2788	1532	RdrCEF.exe	96
PID 1532 wrote to memory of 2788	1532	RdrCEF.exe	96
PID 1532 wrote to memory of 2788	1532	RdrCEF.exe	96
PID 1532 wrote to memory of 2788	1532	RdrCEF.exe	96
PID 1532 wrote to memory of 2788	1532	RdrCEF.exe	96
PID 1532 wrote to memory of 2788	1532	RdrCEF.exe	96
PID 1532 wrote to memory of 2788	1532	RdrCEF.exe	96
PID 1532 wrote to memory of 2788	1532	RdrCEF.exe	96
PID 1532 wrote to memory of 2788	1532	RdrCEF.exe	96
PID 1532 wrote to memory of 2788	1532	RdrCEF.exe	96
PID 1532 wrote to memory of 2788	1532	RdrCEF.exe	96
PID 1532 wrote to memory of 2788	1532	RdrCEF.exe	96
PID 1532 wrote to memory of 2788	1532	RdrCEF.exe	96
PID 1532 wrote to memory of 2788	1532	RdrCEF.exe	96
PID 1532 wrote to memory of 2788	1532	RdrCEF.exe	96
PID 1532 wrote to memory of 2788	1532	RdrCEF.exe	96
PID 1532 wrote to memory of 2788	1532	RdrCEF.exe	96
PID 1532 wrote to memory of 2788	1532	RdrCEF.exe	96
PID 1532 wrote to memory of 2788	1532	RdrCEF.exe	96
PID 1532 wrote to memory of 2124	1532	RdrCEF.exe	97
PID 1532 wrote to memory of 2124	1532	RdrCEF.exe	97
PID 1532 wrote to memory of 2124	1532	RdrCEF.exe	97
PID 1532 wrote to memory of 2124	1532	RdrCEF.exe	97
PID 1532 wrote to memory of 2124	1532	RdrCEF.exe	97
PID 1532 wrote to memory of 2124	1532	RdrCEF.exe	97
PID 1532 wrote to memory of 2124	1532	RdrCEF.exe	97
PID 1532 wrote to memory of 2124	1532	RdrCEF.exe	97
PID 1532 wrote to memory of 2124	1532	RdrCEF.exe	97
PID 1532 wrote to memory of 2124	1532	RdrCEF.exe	97
PID 1532 wrote to memory of 2124	1532	RdrCEF.exe	97
PID 1532 wrote to memory of 2124	1532	RdrCEF.exe	97
PID 1532 wrote to memory of 2124	1532	RdrCEF.exe	97
PID 1532 wrote to memory of 2124	1532	RdrCEF.exe	97
PID 1532 wrote to memory of 2124	1532	RdrCEF.exe	97
PID 1532 wrote to memory of 2124	1532	RdrCEF.exe	97
PID 1532 wrote to memory of 2124	1532	RdrCEF.exe	97
PID 1532 wrote to memory of 2124	1532	RdrCEF.exe	97
PID 1532 wrote to memory of 2124	1532	RdrCEF.exe	97
PID 1532 wrote to memory of 2124	1532	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.1f30328d02298271820d274704487fd0.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:3592
- 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:1532
- - 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=8A04130DDDE5932CE4C720B652AEAD84 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2788
- - 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=D69B17D8A57B0580F9E620BE391DD9D5 --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=D69B17D8A57B0580F9E620BE391DD9D5 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2124
- - 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=ABE668033662C35B5A512694F350A22D --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=ABE668033662C35B5A512694F350A22D --renderer-client-id=4 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3160
- - 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=75A37C93C882660314D8C446ED0CEA7C --mojo-platform-channel-handle=2340 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2028
- - 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=523D8875835B702932541AB9C9E7FDD0 --mojo-platform-channel-handle=1864 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2008
- - 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=6C0675113F5F708229EF73E2D4F15B21 --mojo-platform-channel-handle=2512 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3504

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 e94d2c21709c8ccba784745c7f5a32edf5f2bfeb924e4c1434222d779d5dcaf3
MD5 0a091127ab80af770cd4b1ceb1de8fee
SHA1 fb8a9818b24fab73987dbe72e117d81998656eac
SHA512 10839f8f0d8a54f03ea633dc8c1ca7608b2c583bdd3916b39e313fbe6b2510eb31ff70b3957c5fc03a8bde4bbe44550aed896cea33c28d7c65519958ea5dc748
SSDEEP 384:yePdThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:C+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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