feb7fed6b273f7f46f70acfd92fb29eedb8ca6ebe8575e767127be9ba6596b26

Analysis

max time kernel
142s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
23/10/2023, 16:59

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General

Target

NEAS.352f7ac219598c12a851109d09103bf0_JC.pdf
Size

55KB
MD5

352f7ac219598c12a851109d09103bf0
SHA1

8b97fc6b60593804e5d0dec1b98d14704feabd22
SHA256

feb7fed6b273f7f46f70acfd92fb29eedb8ca6ebe8575e767127be9ba6596b26
SHA512

eb540cf7ed12e8562b1af3e301ba482f8e30c708f85ff4456ca9fa2595df62593d4482770f44a298e0870488a3ada32c598089a06f781857a2b0364311254ee9
SSDEEP

768:TuzdNIggou41dMV+foYlP13sfkCezM9+FGxTRDAQGE9euDss:SzIW1dMV+foY55CezM9+FcK6ZDB

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
2716	AcroRd32.exe
2716	AcroRd32.exe
2716	AcroRd32.exe
2716	AcroRd32.exe
2716	AcroRd32.exe
2716	AcroRd32.exe
2716	AcroRd32.exe
2716	AcroRd32.exe
2716	AcroRd32.exe
2716	AcroRd32.exe
2716	AcroRd32.exe
2716	AcroRd32.exe
2716	AcroRd32.exe
2716	AcroRd32.exe
2716	AcroRd32.exe
2716	AcroRd32.exe
2716	AcroRd32.exe
2716	AcroRd32.exe
2716	AcroRd32.exe
2716	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2716	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2716	AcroRd32.exe
2716	AcroRd32.exe
2716	AcroRd32.exe
2716	AcroRd32.exe
2716	AcroRd32.exe
2716	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2716 wrote to memory of 4152	2716	AcroRd32.exe	79
PID 2716 wrote to memory of 4152	2716	AcroRd32.exe	79
PID 2716 wrote to memory of 4152	2716	AcroRd32.exe	79
PID 2716 wrote to memory of 3036	2716	AcroRd32.exe	80
PID 2716 wrote to memory of 3036	2716	AcroRd32.exe	80
PID 2716 wrote to memory of 3036	2716	AcroRd32.exe	80
PID 4152 wrote to memory of 2872	4152	RdrCEF.exe	81
PID 4152 wrote to memory of 2872	4152	RdrCEF.exe	81
PID 4152 wrote to memory of 2872	4152	RdrCEF.exe	81
PID 4152 wrote to memory of 2872	4152	RdrCEF.exe	81
PID 4152 wrote to memory of 2872	4152	RdrCEF.exe	81
PID 4152 wrote to memory of 2872	4152	RdrCEF.exe	81
PID 4152 wrote to memory of 2872	4152	RdrCEF.exe	81
PID 4152 wrote to memory of 2872	4152	RdrCEF.exe	81
PID 4152 wrote to memory of 2872	4152	RdrCEF.exe	81
PID 4152 wrote to memory of 2872	4152	RdrCEF.exe	81
PID 4152 wrote to memory of 2872	4152	RdrCEF.exe	81
PID 4152 wrote to memory of 2872	4152	RdrCEF.exe	81
PID 4152 wrote to memory of 2872	4152	RdrCEF.exe	81
PID 4152 wrote to memory of 2872	4152	RdrCEF.exe	81
PID 4152 wrote to memory of 2872	4152	RdrCEF.exe	81
PID 4152 wrote to memory of 2872	4152	RdrCEF.exe	81
PID 4152 wrote to memory of 2872	4152	RdrCEF.exe	81
PID 4152 wrote to memory of 2872	4152	RdrCEF.exe	81
PID 4152 wrote to memory of 2872	4152	RdrCEF.exe	81
PID 4152 wrote to memory of 2872	4152	RdrCEF.exe	81
PID 4152 wrote to memory of 2872	4152	RdrCEF.exe	81
PID 4152 wrote to memory of 2872	4152	RdrCEF.exe	81
PID 4152 wrote to memory of 2872	4152	RdrCEF.exe	81
PID 4152 wrote to memory of 2872	4152	RdrCEF.exe	81
PID 4152 wrote to memory of 2872	4152	RdrCEF.exe	81
PID 4152 wrote to memory of 2872	4152	RdrCEF.exe	81
PID 4152 wrote to memory of 2872	4152	RdrCEF.exe	81
PID 4152 wrote to memory of 2872	4152	RdrCEF.exe	81
PID 4152 wrote to memory of 2872	4152	RdrCEF.exe	81
PID 4152 wrote to memory of 2872	4152	RdrCEF.exe	81
PID 4152 wrote to memory of 2872	4152	RdrCEF.exe	81
PID 4152 wrote to memory of 2872	4152	RdrCEF.exe	81
PID 4152 wrote to memory of 2872	4152	RdrCEF.exe	81
PID 4152 wrote to memory of 2872	4152	RdrCEF.exe	81
PID 4152 wrote to memory of 2872	4152	RdrCEF.exe	81
PID 4152 wrote to memory of 2872	4152	RdrCEF.exe	81
PID 4152 wrote to memory of 2872	4152	RdrCEF.exe	81
PID 4152 wrote to memory of 2872	4152	RdrCEF.exe	81
PID 4152 wrote to memory of 2872	4152	RdrCEF.exe	81
PID 4152 wrote to memory of 2872	4152	RdrCEF.exe	81
PID 4152 wrote to memory of 2872	4152	RdrCEF.exe	81
PID 4152 wrote to memory of 4124	4152	RdrCEF.exe	82
PID 4152 wrote to memory of 4124	4152	RdrCEF.exe	82
PID 4152 wrote to memory of 4124	4152	RdrCEF.exe	82
PID 4152 wrote to memory of 4124	4152	RdrCEF.exe	82
PID 4152 wrote to memory of 4124	4152	RdrCEF.exe	82
PID 4152 wrote to memory of 4124	4152	RdrCEF.exe	82
PID 4152 wrote to memory of 4124	4152	RdrCEF.exe	82
PID 4152 wrote to memory of 4124	4152	RdrCEF.exe	82
PID 4152 wrote to memory of 4124	4152	RdrCEF.exe	82
PID 4152 wrote to memory of 4124	4152	RdrCEF.exe	82
PID 4152 wrote to memory of 4124	4152	RdrCEF.exe	82
PID 4152 wrote to memory of 4124	4152	RdrCEF.exe	82
PID 4152 wrote to memory of 4124	4152	RdrCEF.exe	82
PID 4152 wrote to memory of 4124	4152	RdrCEF.exe	82
PID 4152 wrote to memory of 4124	4152	RdrCEF.exe	82
PID 4152 wrote to memory of 4124	4152	RdrCEF.exe	82
PID 4152 wrote to memory of 4124	4152	RdrCEF.exe	82

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.352f7ac219598c12a851109d09103bf0_JC.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:2716
- 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:4152
- - 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=49B532ADB540637068BC553918CA1CDA --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2872
- - 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=26D9C59C4A97167104DF16C43F94A0FF --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=26D9C59C4A97167104DF16C43F94A0FF --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4124
- - 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=1B92153BBC0DDE7CEBC0075846C9E2B0 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4368
- - 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=49091EC04D597BFAC721414E86FF8B3B --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=49091EC04D597BFAC721414E86FF8B3B --renderer-client-id=5 --mojo-platform-channel-handle=1804 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2784
- - 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=10C7D6582DC3FFD1CF2CA8107901E1B8 --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5052
- - 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=1CC005B529C4ACB8F954777CA82D6DBB --mojo-platform-channel-handle=1988 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:404
- 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⤵
  PID:3036

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3852

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
29fd24f8afacaf64e317b2b017297d72

SHA1
dd49e559ccd1510c9eb4ed8726d57af936f4b772

SHA256
e8829e8798d60147b6c5fec282ec0014d6b0d124894f61cadb84f34105c98a30

SHA512
fc201c836dffc27dd7464a338ec2b81449e6b1020f553ce382f295d7365382ead9286aefdd91016e8d0f3d502b3cc123785aa0bad046dc85109d176fa13a1193

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