af1524d4655b12c29985a3db67e87ec2a93f009e577032fd82a60e4b11e72899

Analysis

max time kernel
148s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
28/02/2024, 22:04

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General

Target

acf7c3cbd6b9de29f3e7cd8bf15837af.pdf
Size

57KB
MD5

acf7c3cbd6b9de29f3e7cd8bf15837af
SHA1

3298ccb0b3e72900462be62c1ccc23c68f8323ce
SHA256

af1524d4655b12c29985a3db67e87ec2a93f009e577032fd82a60e4b11e72899
SHA512

b2dc7a791e56927a1dd5c53709788f0f94328a1feba323aed17570a036ab5b1d96f589a40f7cedd6d9e6a8dce7afa3824123e88767ba5d07437eb3533fa06af8
SSDEEP

1536:0nQpsA1X8lKC/xuhPicLw1e/Il9jEqNe2HmHhjoC:N1X8lv/xuh20/IzIqNef9

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
412	AcroRd32.exe
412	AcroRd32.exe
412	AcroRd32.exe
412	AcroRd32.exe
412	AcroRd32.exe
412	AcroRd32.exe
412	AcroRd32.exe
412	AcroRd32.exe
412	AcroRd32.exe
412	AcroRd32.exe
412	AcroRd32.exe
412	AcroRd32.exe
412	AcroRd32.exe
412	AcroRd32.exe
412	AcroRd32.exe
412	AcroRd32.exe
412	AcroRd32.exe
412	AcroRd32.exe
412	AcroRd32.exe
412	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
412	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
412	AcroRd32.exe
412	AcroRd32.exe
412	AcroRd32.exe
412	AcroRd32.exe
412	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 412 wrote to memory of 2056	412	AcroRd32.exe	91
PID 412 wrote to memory of 2056	412	AcroRd32.exe	91
PID 412 wrote to memory of 2056	412	AcroRd32.exe	91
PID 2056 wrote to memory of 884	2056	RdrCEF.exe	92
PID 2056 wrote to memory of 884	2056	RdrCEF.exe	92
PID 2056 wrote to memory of 884	2056	RdrCEF.exe	92
PID 2056 wrote to memory of 884	2056	RdrCEF.exe	92
PID 2056 wrote to memory of 884	2056	RdrCEF.exe	92
PID 2056 wrote to memory of 884	2056	RdrCEF.exe	92
PID 2056 wrote to memory of 884	2056	RdrCEF.exe	92
PID 2056 wrote to memory of 884	2056	RdrCEF.exe	92
PID 2056 wrote to memory of 884	2056	RdrCEF.exe	92
PID 2056 wrote to memory of 884	2056	RdrCEF.exe	92
PID 2056 wrote to memory of 884	2056	RdrCEF.exe	92
PID 2056 wrote to memory of 884	2056	RdrCEF.exe	92
PID 2056 wrote to memory of 884	2056	RdrCEF.exe	92
PID 2056 wrote to memory of 884	2056	RdrCEF.exe	92
PID 2056 wrote to memory of 884	2056	RdrCEF.exe	92
PID 2056 wrote to memory of 884	2056	RdrCEF.exe	92
PID 2056 wrote to memory of 884	2056	RdrCEF.exe	92
PID 2056 wrote to memory of 884	2056	RdrCEF.exe	92
PID 2056 wrote to memory of 884	2056	RdrCEF.exe	92
PID 2056 wrote to memory of 884	2056	RdrCEF.exe	92
PID 2056 wrote to memory of 884	2056	RdrCEF.exe	92
PID 2056 wrote to memory of 884	2056	RdrCEF.exe	92
PID 2056 wrote to memory of 884	2056	RdrCEF.exe	92
PID 2056 wrote to memory of 884	2056	RdrCEF.exe	92
PID 2056 wrote to memory of 884	2056	RdrCEF.exe	92
PID 2056 wrote to memory of 884	2056	RdrCEF.exe	92
PID 2056 wrote to memory of 884	2056	RdrCEF.exe	92
PID 2056 wrote to memory of 884	2056	RdrCEF.exe	92
PID 2056 wrote to memory of 884	2056	RdrCEF.exe	92
PID 2056 wrote to memory of 884	2056	RdrCEF.exe	92
PID 2056 wrote to memory of 884	2056	RdrCEF.exe	92
PID 2056 wrote to memory of 884	2056	RdrCEF.exe	92
PID 2056 wrote to memory of 884	2056	RdrCEF.exe	92
PID 2056 wrote to memory of 884	2056	RdrCEF.exe	92
PID 2056 wrote to memory of 884	2056	RdrCEF.exe	92
PID 2056 wrote to memory of 884	2056	RdrCEF.exe	92
PID 2056 wrote to memory of 884	2056	RdrCEF.exe	92
PID 2056 wrote to memory of 884	2056	RdrCEF.exe	92
PID 2056 wrote to memory of 884	2056	RdrCEF.exe	92
PID 2056 wrote to memory of 884	2056	RdrCEF.exe	92
PID 2056 wrote to memory of 884	2056	RdrCEF.exe	92
PID 2056 wrote to memory of 648	2056	RdrCEF.exe	93
PID 2056 wrote to memory of 648	2056	RdrCEF.exe	93
PID 2056 wrote to memory of 648	2056	RdrCEF.exe	93
PID 2056 wrote to memory of 648	2056	RdrCEF.exe	93
PID 2056 wrote to memory of 648	2056	RdrCEF.exe	93
PID 2056 wrote to memory of 648	2056	RdrCEF.exe	93
PID 2056 wrote to memory of 648	2056	RdrCEF.exe	93
PID 2056 wrote to memory of 648	2056	RdrCEF.exe	93
PID 2056 wrote to memory of 648	2056	RdrCEF.exe	93
PID 2056 wrote to memory of 648	2056	RdrCEF.exe	93
PID 2056 wrote to memory of 648	2056	RdrCEF.exe	93
PID 2056 wrote to memory of 648	2056	RdrCEF.exe	93
PID 2056 wrote to memory of 648	2056	RdrCEF.exe	93
PID 2056 wrote to memory of 648	2056	RdrCEF.exe	93
PID 2056 wrote to memory of 648	2056	RdrCEF.exe	93
PID 2056 wrote to memory of 648	2056	RdrCEF.exe	93
PID 2056 wrote to memory of 648	2056	RdrCEF.exe	93
PID 2056 wrote to memory of 648	2056	RdrCEF.exe	93
PID 2056 wrote to memory of 648	2056	RdrCEF.exe	93
PID 2056 wrote to memory of 648	2056	RdrCEF.exe	93

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\acf7c3cbd6b9de29f3e7cd8bf15837af.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:412
- 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:2056
- - 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=98BC82C700790C9F27D99E2D12950B2A --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:884
- - 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=26ECFA3C9AA7688B281F22C85548B61B --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=26ECFA3C9AA7688B281F22C85548B61B --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:648
- - 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=2DB5F82C91C3EFEE9B99B243FC8884E5 --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=2DB5F82C91C3EFEE9B99B243FC8884E5 --renderer-client-id=4 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2260
- - 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=959353BB73E21A19D2D4BA064182C234 --mojo-platform-channel-handle=2544 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3832
- - 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=0B0A41E4BB9F9DFD9B44F787A2DF1EE2 --mojo-platform-channel-handle=1924 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2140
- - 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=DBECFEB033B26DAE2A469AE032BB7143 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4692

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2708

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
d389960ab3b8bb571e4af5aa91409ec6

SHA1
79ac0553b32d25b4a368dca2eb0b96a752fde231

SHA256
4f1b92444543d18166fdbf9824f92f87b28ed889e1591c4476fcdf7184cdef1d

SHA512
5e89169b753c649a23adceab8c8adb25d41efc63e4da111967a08fb585011193348eadbe694133caddde5cc094cd255af1cfac3ee2d6e792101e7e41d6e15114

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/412-49-0x000000000A520000-0x000000000A541000-memory.dmp

Filesize
132KB

Download