4f90ff15e62537edaf5e19fe338424a8b57a72dcbb1e315eb22ccbde669d049a

Analysis

max time kernel
142s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
14/03/2024, 12:42

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General

Target

c8a50f597cd2e04ed1db3434ca0cfce4.pdf
Size

86KB
MD5

c8a50f597cd2e04ed1db3434ca0cfce4
SHA1

c0feaf87e5b5850f3a870b15eb9d4fcd455c87d7
SHA256

4f90ff15e62537edaf5e19fe338424a8b57a72dcbb1e315eb22ccbde669d049a
SHA512

2263fd76ff160f985b76fdce8c0e7714401fd2a4e315c95f0edf91b08aca97c0e1892e6c5dde36490237def9d5a742395a798562d74fa1572f299a87eed0d5ae
SSDEEP

1536:hAEl+EgszMfcUDg2gsJ174O3jq3B92QYCBkkL7WytlCFW8pO7QkHUS:l+wxV2gcpj3uDkkLXCE7PHN

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-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1148	AcroRd32.exe
1148	AcroRd32.exe
1148	AcroRd32.exe
1148	AcroRd32.exe
1148	AcroRd32.exe
1148	AcroRd32.exe
1148	AcroRd32.exe
1148	AcroRd32.exe
1148	AcroRd32.exe
1148	AcroRd32.exe
1148	AcroRd32.exe
1148	AcroRd32.exe
1148	AcroRd32.exe
1148	AcroRd32.exe
1148	AcroRd32.exe
1148	AcroRd32.exe
1148	AcroRd32.exe
1148	AcroRd32.exe
1148	AcroRd32.exe
1148	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1148	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1148	AcroRd32.exe
1148	AcroRd32.exe
1148	AcroRd32.exe
1148	AcroRd32.exe
1148	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1148 wrote to memory of 4560	1148	AcroRd32.exe	95
PID 1148 wrote to memory of 4560	1148	AcroRd32.exe	95
PID 1148 wrote to memory of 4560	1148	AcroRd32.exe	95
PID 4560 wrote to memory of 1292	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 1292	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 1292	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 1292	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 1292	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 1292	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 1292	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 1292	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 1292	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 1292	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 1292	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 1292	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 1292	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 1292	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 1292	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 1292	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 1292	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 1292	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 1292	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 1292	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 1292	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 1292	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 1292	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 1292	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 1292	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 1292	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 1292	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 1292	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 1292	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 1292	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 1292	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 1292	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 1292	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 1292	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 1292	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 1292	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 1292	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 1292	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 1292	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 1292	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 1292	4560	RdrCEF.exe	98
PID 4560 wrote to memory of 2068	4560	RdrCEF.exe	99
PID 4560 wrote to memory of 2068	4560	RdrCEF.exe	99
PID 4560 wrote to memory of 2068	4560	RdrCEF.exe	99
PID 4560 wrote to memory of 2068	4560	RdrCEF.exe	99
PID 4560 wrote to memory of 2068	4560	RdrCEF.exe	99
PID 4560 wrote to memory of 2068	4560	RdrCEF.exe	99
PID 4560 wrote to memory of 2068	4560	RdrCEF.exe	99
PID 4560 wrote to memory of 2068	4560	RdrCEF.exe	99
PID 4560 wrote to memory of 2068	4560	RdrCEF.exe	99
PID 4560 wrote to memory of 2068	4560	RdrCEF.exe	99
PID 4560 wrote to memory of 2068	4560	RdrCEF.exe	99
PID 4560 wrote to memory of 2068	4560	RdrCEF.exe	99
PID 4560 wrote to memory of 2068	4560	RdrCEF.exe	99
PID 4560 wrote to memory of 2068	4560	RdrCEF.exe	99
PID 4560 wrote to memory of 2068	4560	RdrCEF.exe	99
PID 4560 wrote to memory of 2068	4560	RdrCEF.exe	99
PID 4560 wrote to memory of 2068	4560	RdrCEF.exe	99
PID 4560 wrote to memory of 2068	4560	RdrCEF.exe	99
PID 4560 wrote to memory of 2068	4560	RdrCEF.exe	99
PID 4560 wrote to memory of 2068	4560	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\c8a50f597cd2e04ed1db3434ca0cfce4.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:1148
- 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: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=782F9C6FCBBF1AC688CF89B292FB1793 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1292
- - 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=F45A52CE9BD6A183B6DD38830FDDE739 --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=F45A52CE9BD6A183B6DD38830FDDE739 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2068
- - 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=0F1D0ACA16B6FF1CB9BF814A134760FA --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2588
- - 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=8FC75E785A3978E5B1FDB5AA91EFA267 --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=8FC75E785A3978E5B1FDB5AA91EFA267 --renderer-client-id=5 --mojo-platform-channel-handle=1944 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:60
- - 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=E7BCCC5FC18FFBE7DF26A1C69BEDCFF9 --mojo-platform-channel-handle=2764 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4380
- - 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=E8BE9176FECBF11EAE1CB815E9AE7DC1 --mojo-platform-channel-handle=2768 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2412

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
61fdde4da27b12a5974259a3fb077b9f

SHA1
141f4b8c3de80c5e7b7c65e3f79d4fb5db3d9271

SHA256
79f2ee35b5d9d547889147c5cbf72963781b910c6f09fdc88580ee98b0b90748

SHA512
a0b9e2b55a0a238aaee962b05ac71514402278555c036e46eed1586a5910075fe7a872293aedb1f98a0f839f78358ab88ebcecf9863e1f34a6f3502913672142

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/1148-26-0x000000000C420000-0x000000000C470000-memory.dmp

Filesize
320KB

Download