751cafe582c0ada825e266c620bc517935397ae4cca38e2422172d9117f8d3c3

Analysis

max time kernel
141s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
29/01/2024, 11:29

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General

Target

7fba8a87e2260f1296361f1609f6647c.pdf
Size

78KB
MD5

7fba8a87e2260f1296361f1609f6647c
SHA1

b7762b4a4dc82b38ebdcc8438ca35987380d053f
SHA256

751cafe582c0ada825e266c620bc517935397ae4cca38e2422172d9117f8d3c3
SHA512

39f595efc9e744b93dd6d91b4853d192a6003f0960d18a7713b2ff8347715e250e08c87090b9e5a79f5152443ddb93b6006aeea78ba0dbc1fdc9e7eb71e3c4f9
SSDEEP

1536:uibuoiC0q4Cih7u5SWXNG0XHjBS09D1YsGdyd3bHs4RwB+gosohP:/biCv4CiVgFQ0XRUoLHhRwQgos4

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2960	AcroRd32.exe
2960	AcroRd32.exe
2960	AcroRd32.exe
2960	AcroRd32.exe
2960	AcroRd32.exe
2960	AcroRd32.exe
2960	AcroRd32.exe
2960	AcroRd32.exe
2960	AcroRd32.exe
2960	AcroRd32.exe
2960	AcroRd32.exe
2960	AcroRd32.exe
2960	AcroRd32.exe
2960	AcroRd32.exe
2960	AcroRd32.exe
2960	AcroRd32.exe
2960	AcroRd32.exe
2960	AcroRd32.exe
2960	AcroRd32.exe
2960	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2960	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2960	AcroRd32.exe
2960	AcroRd32.exe
2960	AcroRd32.exe
2960	AcroRd32.exe
2960	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2960 wrote to memory of 1940	2960	AcroRd32.exe	89
PID 2960 wrote to memory of 1940	2960	AcroRd32.exe	89
PID 2960 wrote to memory of 1940	2960	AcroRd32.exe	89
PID 1940 wrote to memory of 4016	1940	RdrCEF.exe	90
PID 1940 wrote to memory of 4016	1940	RdrCEF.exe	90
PID 1940 wrote to memory of 4016	1940	RdrCEF.exe	90
PID 1940 wrote to memory of 4016	1940	RdrCEF.exe	90
PID 1940 wrote to memory of 4016	1940	RdrCEF.exe	90
PID 1940 wrote to memory of 4016	1940	RdrCEF.exe	90
PID 1940 wrote to memory of 4016	1940	RdrCEF.exe	90
PID 1940 wrote to memory of 4016	1940	RdrCEF.exe	90
PID 1940 wrote to memory of 4016	1940	RdrCEF.exe	90
PID 1940 wrote to memory of 4016	1940	RdrCEF.exe	90
PID 1940 wrote to memory of 4016	1940	RdrCEF.exe	90
PID 1940 wrote to memory of 4016	1940	RdrCEF.exe	90
PID 1940 wrote to memory of 4016	1940	RdrCEF.exe	90
PID 1940 wrote to memory of 4016	1940	RdrCEF.exe	90
PID 1940 wrote to memory of 4016	1940	RdrCEF.exe	90
PID 1940 wrote to memory of 4016	1940	RdrCEF.exe	90
PID 1940 wrote to memory of 4016	1940	RdrCEF.exe	90
PID 1940 wrote to memory of 4016	1940	RdrCEF.exe	90
PID 1940 wrote to memory of 4016	1940	RdrCEF.exe	90
PID 1940 wrote to memory of 4016	1940	RdrCEF.exe	90
PID 1940 wrote to memory of 4016	1940	RdrCEF.exe	90
PID 1940 wrote to memory of 4016	1940	RdrCEF.exe	90
PID 1940 wrote to memory of 4016	1940	RdrCEF.exe	90
PID 1940 wrote to memory of 4016	1940	RdrCEF.exe	90
PID 1940 wrote to memory of 4016	1940	RdrCEF.exe	90
PID 1940 wrote to memory of 4016	1940	RdrCEF.exe	90
PID 1940 wrote to memory of 4016	1940	RdrCEF.exe	90
PID 1940 wrote to memory of 4016	1940	RdrCEF.exe	90
PID 1940 wrote to memory of 4016	1940	RdrCEF.exe	90
PID 1940 wrote to memory of 4016	1940	RdrCEF.exe	90
PID 1940 wrote to memory of 4016	1940	RdrCEF.exe	90
PID 1940 wrote to memory of 4016	1940	RdrCEF.exe	90
PID 1940 wrote to memory of 4016	1940	RdrCEF.exe	90
PID 1940 wrote to memory of 4016	1940	RdrCEF.exe	90
PID 1940 wrote to memory of 4016	1940	RdrCEF.exe	90
PID 1940 wrote to memory of 4016	1940	RdrCEF.exe	90
PID 1940 wrote to memory of 4016	1940	RdrCEF.exe	90
PID 1940 wrote to memory of 4016	1940	RdrCEF.exe	90
PID 1940 wrote to memory of 4016	1940	RdrCEF.exe	90
PID 1940 wrote to memory of 4016	1940	RdrCEF.exe	90
PID 1940 wrote to memory of 4016	1940	RdrCEF.exe	90
PID 1940 wrote to memory of 564	1940	RdrCEF.exe	91
PID 1940 wrote to memory of 564	1940	RdrCEF.exe	91
PID 1940 wrote to memory of 564	1940	RdrCEF.exe	91
PID 1940 wrote to memory of 564	1940	RdrCEF.exe	91
PID 1940 wrote to memory of 564	1940	RdrCEF.exe	91
PID 1940 wrote to memory of 564	1940	RdrCEF.exe	91
PID 1940 wrote to memory of 564	1940	RdrCEF.exe	91
PID 1940 wrote to memory of 564	1940	RdrCEF.exe	91
PID 1940 wrote to memory of 564	1940	RdrCEF.exe	91
PID 1940 wrote to memory of 564	1940	RdrCEF.exe	91
PID 1940 wrote to memory of 564	1940	RdrCEF.exe	91
PID 1940 wrote to memory of 564	1940	RdrCEF.exe	91
PID 1940 wrote to memory of 564	1940	RdrCEF.exe	91
PID 1940 wrote to memory of 564	1940	RdrCEF.exe	91
PID 1940 wrote to memory of 564	1940	RdrCEF.exe	91
PID 1940 wrote to memory of 564	1940	RdrCEF.exe	91
PID 1940 wrote to memory of 564	1940	RdrCEF.exe	91
PID 1940 wrote to memory of 564	1940	RdrCEF.exe	91
PID 1940 wrote to memory of 564	1940	RdrCEF.exe	91
PID 1940 wrote to memory of 564	1940	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\7fba8a87e2260f1296361f1609f6647c.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:2960
- 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:1940
- - 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=8F8E13627125D864B2CD120EBE39A5C3 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4016
- - 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=E58EC94B71367B829B1AAC6F95C81644 --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=E58EC94B71367B829B1AAC6F95C81644 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:564
- - 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=D90E4C89594D2B06C0310A39B64886C2 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4560
- - 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=47CCEEA4CCA19164E630E41A2B1A43EE --mojo-platform-channel-handle=2408 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5064
- - 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=FE1C563375C0C6B032B7D4208657DA27 --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=FE1C563375C0C6B032B7D4208657DA27 --renderer-client-id=6 --mojo-platform-channel-handle=2360 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1512
- - 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=201182C9AE08938078A272FA571C19BE --mojo-platform-channel-handle=2720 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1144

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2272

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
11c85d570061dd2b04a2568e4c112224

SHA1
4a127d1ff257da17e30fe98c1016c9a7f562f4f7

SHA256
a1e10e1c083bdefcaaa0be749e3c04791c1b7c33fdb16d7216db1768613da639

SHA512
2ea26e04a6e3a82b3b476e6909274a4130fbca99d533c65a4827f2ca401343d8b5cafaa7a76264cb8eeb5eafda1c5f21008dfba8d4033803240d33f61a454425

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
memory/2960-26-0x000000000B990000-0x000000000B9E0000-memory.dmp

Filesize
320KB

Download