b73bc7f9ca5f91390c674a5d00383aa00518f56e5e35f3aeae99e5e1eb9544b7

Analysis

max time kernel
148s
max time network
164s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
07/11/2023, 19:35

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General

Target

NEAS.4ac62f586be52b35678037aaed27d5a0.pdf
Size

65KB
MD5

4ac62f586be52b35678037aaed27d5a0
SHA1

64b6d1487a92141c27236d683149946337e3c2bf
SHA256

b73bc7f9ca5f91390c674a5d00383aa00518f56e5e35f3aeae99e5e1eb9544b7
SHA512

59c7a823b698029ee95661f5c7440107c824631a282892b46a70d85799157a76d641592f8083bea4f20e0c0b7c3e17f6a1a922f31a8e63b231913a67904bbfa5
SSDEEP

1536:dmeXjpw/REzYpc/1fMZi+wYjj6KlbQCPZFNLHGMD15LNA:dmeTpw/REEStfUi+DjWKlQCRFNLHTu

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
2280	AcroRd32.exe
2280	AcroRd32.exe
2280	AcroRd32.exe
2280	AcroRd32.exe
2280	AcroRd32.exe
2280	AcroRd32.exe
2280	AcroRd32.exe
2280	AcroRd32.exe
2280	AcroRd32.exe
2280	AcroRd32.exe
2280	AcroRd32.exe
2280	AcroRd32.exe
2280	AcroRd32.exe
2280	AcroRd32.exe
2280	AcroRd32.exe
2280	AcroRd32.exe
2280	AcroRd32.exe
2280	AcroRd32.exe
2280	AcroRd32.exe
2280	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2280	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2280	AcroRd32.exe
2280	AcroRd32.exe
2280	AcroRd32.exe
2280	AcroRd32.exe
2280	AcroRd32.exe
2280	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2280 wrote to memory of 4716	2280	AcroRd32.exe	96
PID 2280 wrote to memory of 4716	2280	AcroRd32.exe	96
PID 2280 wrote to memory of 4716	2280	AcroRd32.exe	96
PID 4716 wrote to memory of 3700	4716	RdrCEF.exe	98
PID 4716 wrote to memory of 3700	4716	RdrCEF.exe	98
PID 4716 wrote to memory of 3700	4716	RdrCEF.exe	98
PID 4716 wrote to memory of 3700	4716	RdrCEF.exe	98
PID 4716 wrote to memory of 3700	4716	RdrCEF.exe	98
PID 4716 wrote to memory of 3700	4716	RdrCEF.exe	98
PID 4716 wrote to memory of 3700	4716	RdrCEF.exe	98
PID 4716 wrote to memory of 3700	4716	RdrCEF.exe	98
PID 4716 wrote to memory of 3700	4716	RdrCEF.exe	98
PID 4716 wrote to memory of 3700	4716	RdrCEF.exe	98
PID 4716 wrote to memory of 3700	4716	RdrCEF.exe	98
PID 4716 wrote to memory of 3700	4716	RdrCEF.exe	98
PID 4716 wrote to memory of 3700	4716	RdrCEF.exe	98
PID 4716 wrote to memory of 3700	4716	RdrCEF.exe	98
PID 4716 wrote to memory of 3700	4716	RdrCEF.exe	98
PID 4716 wrote to memory of 3700	4716	RdrCEF.exe	98
PID 4716 wrote to memory of 3700	4716	RdrCEF.exe	98
PID 4716 wrote to memory of 3700	4716	RdrCEF.exe	98
PID 4716 wrote to memory of 3700	4716	RdrCEF.exe	98
PID 4716 wrote to memory of 3700	4716	RdrCEF.exe	98
PID 4716 wrote to memory of 3700	4716	RdrCEF.exe	98
PID 4716 wrote to memory of 3700	4716	RdrCEF.exe	98
PID 4716 wrote to memory of 3700	4716	RdrCEF.exe	98
PID 4716 wrote to memory of 3700	4716	RdrCEF.exe	98
PID 4716 wrote to memory of 3700	4716	RdrCEF.exe	98
PID 4716 wrote to memory of 3700	4716	RdrCEF.exe	98
PID 4716 wrote to memory of 3700	4716	RdrCEF.exe	98
PID 4716 wrote to memory of 3700	4716	RdrCEF.exe	98
PID 4716 wrote to memory of 3700	4716	RdrCEF.exe	98
PID 4716 wrote to memory of 3700	4716	RdrCEF.exe	98
PID 4716 wrote to memory of 3700	4716	RdrCEF.exe	98
PID 4716 wrote to memory of 3700	4716	RdrCEF.exe	98
PID 4716 wrote to memory of 3700	4716	RdrCEF.exe	98
PID 4716 wrote to memory of 3700	4716	RdrCEF.exe	98
PID 4716 wrote to memory of 3700	4716	RdrCEF.exe	98
PID 4716 wrote to memory of 3700	4716	RdrCEF.exe	98
PID 4716 wrote to memory of 3700	4716	RdrCEF.exe	98
PID 4716 wrote to memory of 3700	4716	RdrCEF.exe	98
PID 4716 wrote to memory of 3700	4716	RdrCEF.exe	98
PID 4716 wrote to memory of 3700	4716	RdrCEF.exe	98
PID 4716 wrote to memory of 3700	4716	RdrCEF.exe	98
PID 4716 wrote to memory of 3104	4716	RdrCEF.exe	99
PID 4716 wrote to memory of 3104	4716	RdrCEF.exe	99
PID 4716 wrote to memory of 3104	4716	RdrCEF.exe	99
PID 4716 wrote to memory of 3104	4716	RdrCEF.exe	99
PID 4716 wrote to memory of 3104	4716	RdrCEF.exe	99
PID 4716 wrote to memory of 3104	4716	RdrCEF.exe	99
PID 4716 wrote to memory of 3104	4716	RdrCEF.exe	99
PID 4716 wrote to memory of 3104	4716	RdrCEF.exe	99
PID 4716 wrote to memory of 3104	4716	RdrCEF.exe	99
PID 4716 wrote to memory of 3104	4716	RdrCEF.exe	99
PID 4716 wrote to memory of 3104	4716	RdrCEF.exe	99
PID 4716 wrote to memory of 3104	4716	RdrCEF.exe	99
PID 4716 wrote to memory of 3104	4716	RdrCEF.exe	99
PID 4716 wrote to memory of 3104	4716	RdrCEF.exe	99
PID 4716 wrote to memory of 3104	4716	RdrCEF.exe	99
PID 4716 wrote to memory of 3104	4716	RdrCEF.exe	99
PID 4716 wrote to memory of 3104	4716	RdrCEF.exe	99
PID 4716 wrote to memory of 3104	4716	RdrCEF.exe	99
PID 4716 wrote to memory of 3104	4716	RdrCEF.exe	99
PID 4716 wrote to memory of 3104	4716	RdrCEF.exe	99

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.4ac62f586be52b35678037aaed27d5a0.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:2280
- 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:4716
- - 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=FB0F2E91BAD8BBABF8078B8A4EAA172F --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3700
- - 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=7B758DFEE414ED8ECAEC712FA83F5E61 --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=7B758DFEE414ED8ECAEC712FA83F5E61 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3104
- - 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=87DB3FEDA7FE6856C7352FDC927ABDAF --mojo-platform-channel-handle=2184 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3216
- - 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=4307DFCC59EB884C4B9ECA0B5F25F64A --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=4307DFCC59EB884C4B9ECA0B5F25F64A --renderer-client-id=5 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4404
- - 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=3AE4D2B3ADC564D3B82A2C6837EB196B --mojo-platform-channel-handle=2552 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4264
- - 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=0B371DABDD118681BFB64FD0F69D86C9 --mojo-platform-channel-handle=2268 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1384

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2292

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
44f4cca7af79967765e90dbdaa7a2d84

SHA1
d5b10e0c31ea482da5397973f65e0c97999e5641

SHA256
7d89194616353b1e7866dddcbbf79fde953deccc7b84e102c1577e16d77ca30b

SHA512
c9a265dace3c54a25b1ca1a44f96bcc456f932d7a3699d959b3e17802b1afe21087d53de8e2fae4edded2151c34f28a9619682e9610523149267d52b207a10c6

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
96ca720058e90061078171761dffc717

SHA1
44f43f8ac1ee4e8c50e14579e8fd47bde2e34c7c

SHA256
29e572b0b49d7b009b2e29048778db2436573852dfe0691354ef17588b4c9898

SHA512
22a2e998eb5be3f906e1e7bcbd3868ad5746aa33b3726d1c682d35d38c73543095d49abac7d0ae7f8e354beb74d6a07faf21dcc051a2ddcfa2fd3c58905f5390

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit