3dd5588640b417f7e1c99baef18b70e91f88886c1ab924844069d47fd6a4c186

Analysis

max time kernel
109s
max time network
111s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
23/07/2024, 11:49

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General

Target
b119ef6964916f4994481cf38fb87e20N.pdf
Size 57KB
Sample240723-nzbfjaveql
SHA256 3dd5588640b417f7e1c99baef18b70e91f88886c1ab924844069d47fd6a4c186
MD5 b119ef6964916f4994481cf38fb87e20
SHA1 9be5e559f5e5b83e51180de28bb6b2eed48f81b1
SHA512 dd101546a33103f3e907fb1d78c4d6749a718b66d84a2aa873136faa883afd4cf76c7f41ac2b3f6e0143c11b11e9b168bddc8dde41940cca35c017e7ea132557
SSDEEP 1536:2HNFEqa+FL/oNqhG08xXAb8mPg66bEl/2qWnkYdll55:2vnsqhGZAC66Q1Wnkyr
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-1-5-21-1750093773-264148664-1320403265-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3312	AcroRd32.exe
3312	AcroRd32.exe
3312	AcroRd32.exe
3312	AcroRd32.exe
3312	AcroRd32.exe
3312	AcroRd32.exe
3312	AcroRd32.exe
3312	AcroRd32.exe
3312	AcroRd32.exe
3312	AcroRd32.exe
3312	AcroRd32.exe
3312	AcroRd32.exe
3312	AcroRd32.exe
3312	AcroRd32.exe
3312	AcroRd32.exe
3312	AcroRd32.exe
3312	AcroRd32.exe
3312	AcroRd32.exe
3312	AcroRd32.exe
3312	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3312	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3312	AcroRd32.exe
3312	AcroRd32.exe
3312	AcroRd32.exe
3312	AcroRd32.exe
3312	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3312 wrote to memory of 3288	3312	AcroRd32.exe	89
PID 3312 wrote to memory of 3288	3312	AcroRd32.exe	89
PID 3312 wrote to memory of 3288	3312	AcroRd32.exe	89
PID 3288 wrote to memory of 4064	3288	RdrCEF.exe	90
PID 3288 wrote to memory of 4064	3288	RdrCEF.exe	90
PID 3288 wrote to memory of 4064	3288	RdrCEF.exe	90
PID 3288 wrote to memory of 4064	3288	RdrCEF.exe	90
PID 3288 wrote to memory of 4064	3288	RdrCEF.exe	90
PID 3288 wrote to memory of 4064	3288	RdrCEF.exe	90
PID 3288 wrote to memory of 4064	3288	RdrCEF.exe	90
PID 3288 wrote to memory of 4064	3288	RdrCEF.exe	90
PID 3288 wrote to memory of 4064	3288	RdrCEF.exe	90
PID 3288 wrote to memory of 4064	3288	RdrCEF.exe	90
PID 3288 wrote to memory of 4064	3288	RdrCEF.exe	90
PID 3288 wrote to memory of 4064	3288	RdrCEF.exe	90
PID 3288 wrote to memory of 4064	3288	RdrCEF.exe	90
PID 3288 wrote to memory of 4064	3288	RdrCEF.exe	90
PID 3288 wrote to memory of 4064	3288	RdrCEF.exe	90
PID 3288 wrote to memory of 4064	3288	RdrCEF.exe	90
PID 3288 wrote to memory of 4064	3288	RdrCEF.exe	90
PID 3288 wrote to memory of 4064	3288	RdrCEF.exe	90
PID 3288 wrote to memory of 4064	3288	RdrCEF.exe	90
PID 3288 wrote to memory of 4064	3288	RdrCEF.exe	90
PID 3288 wrote to memory of 4064	3288	RdrCEF.exe	90
PID 3288 wrote to memory of 4064	3288	RdrCEF.exe	90
PID 3288 wrote to memory of 4064	3288	RdrCEF.exe	90
PID 3288 wrote to memory of 4064	3288	RdrCEF.exe	90
PID 3288 wrote to memory of 4064	3288	RdrCEF.exe	90
PID 3288 wrote to memory of 4064	3288	RdrCEF.exe	90
PID 3288 wrote to memory of 4064	3288	RdrCEF.exe	90
PID 3288 wrote to memory of 4064	3288	RdrCEF.exe	90
PID 3288 wrote to memory of 4064	3288	RdrCEF.exe	90
PID 3288 wrote to memory of 4064	3288	RdrCEF.exe	90
PID 3288 wrote to memory of 4064	3288	RdrCEF.exe	90
PID 3288 wrote to memory of 4064	3288	RdrCEF.exe	90
PID 3288 wrote to memory of 4064	3288	RdrCEF.exe	90
PID 3288 wrote to memory of 4064	3288	RdrCEF.exe	90
PID 3288 wrote to memory of 4064	3288	RdrCEF.exe	90
PID 3288 wrote to memory of 4064	3288	RdrCEF.exe	90
PID 3288 wrote to memory of 4064	3288	RdrCEF.exe	90
PID 3288 wrote to memory of 4064	3288	RdrCEF.exe	90
PID 3288 wrote to memory of 4064	3288	RdrCEF.exe	90
PID 3288 wrote to memory of 4064	3288	RdrCEF.exe	90
PID 3288 wrote to memory of 4064	3288	RdrCEF.exe	90
PID 3288 wrote to memory of 64	3288	RdrCEF.exe	91
PID 3288 wrote to memory of 64	3288	RdrCEF.exe	91
PID 3288 wrote to memory of 64	3288	RdrCEF.exe	91
PID 3288 wrote to memory of 64	3288	RdrCEF.exe	91
PID 3288 wrote to memory of 64	3288	RdrCEF.exe	91
PID 3288 wrote to memory of 64	3288	RdrCEF.exe	91
PID 3288 wrote to memory of 64	3288	RdrCEF.exe	91
PID 3288 wrote to memory of 64	3288	RdrCEF.exe	91
PID 3288 wrote to memory of 64	3288	RdrCEF.exe	91
PID 3288 wrote to memory of 64	3288	RdrCEF.exe	91
PID 3288 wrote to memory of 64	3288	RdrCEF.exe	91
PID 3288 wrote to memory of 64	3288	RdrCEF.exe	91
PID 3288 wrote to memory of 64	3288	RdrCEF.exe	91
PID 3288 wrote to memory of 64	3288	RdrCEF.exe	91
PID 3288 wrote to memory of 64	3288	RdrCEF.exe	91
PID 3288 wrote to memory of 64	3288	RdrCEF.exe	91
PID 3288 wrote to memory of 64	3288	RdrCEF.exe	91
PID 3288 wrote to memory of 64	3288	RdrCEF.exe	91
PID 3288 wrote to memory of 64	3288	RdrCEF.exe	91
PID 3288 wrote to memory of 64	3288	RdrCEF.exe	91

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\b119ef6964916f4994481cf38fb87e20N.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:3312
- 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:3288
- - 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=48E2F411C614922E338AA51425A758EF --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4064
- - 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=A9082A1E36D6F5148DD86DDA93905962 --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=A9082A1E36D6F5148DD86DDA93905962 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:64
- - 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=1A1965A58BAA339E0812EDF291B678B1 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4120
- - 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=3E9A0656D850A49A8F0DF0C0D71BEC3B --mojo-platform-channel-handle=1804 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4828
- - 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=6531ED90789C3BF18482E9F38316B701 --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=6531ED90789C3BF18482E9F38316B701 --renderer-client-id=6 --mojo-platform-channel-handle=1908 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1068
- - 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=EAED7CB81BC226221A5A24CB208A4764 --mojo-platform-channel-handle=2688 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:996

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2188

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 097b3ecaa44300e82742476ab8f01a8460ff97010f6663ef212af0cb7eff8416
MD5 a15daa681107d6c717660a21fee4ceea
SHA1 5d31bc37a092ea65359c764fcdae7e4005f77acd
SHA512 13624289ebb2dce1a8be86039df9f1c1727c066e063d32820cd8e5bb4a61d1b526267a2c87c92b2981fedb09a77f0819783e42c1e807f140d4e6b5ceb0c7f1c9
SSDEEP 384:yeqdThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:Z+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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