b41b8be60a79b1d9d9e579a98716652bd23e1be8415988884917c09fa1b182ff

Analysis

max time kernel
161s
max time network
169s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26/12/2023, 13:02

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General

Target

709b8fdc611b77e0a8fdfeee54520677.pdf
Size

91KB
MD5

709b8fdc611b77e0a8fdfeee54520677
SHA1

46fc7ff879b7b96cf7c4186b6b024443756f32a9
SHA256

b41b8be60a79b1d9d9e579a98716652bd23e1be8415988884917c09fa1b182ff
SHA512

0597ad6742ef6f8e547ff978c501e2cf479da8ca5018561a0fabff7bd7ef79c17f69354c52ab1dba162991766fd37fd47aa99efc9ac0f20ac9a592e45d2a221e
SSDEEP

1536:pUReMSCRDbdcTWNebiCme6ixLTToLbvGZ7rWBnLvezwWagtpJdWapOtQykBWPdPt:u/vMiC9VVToLb07aRL2sKLitQr4dPkyl

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-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2908	AcroRd32.exe
2908	AcroRd32.exe
2908	AcroRd32.exe
2908	AcroRd32.exe
2908	AcroRd32.exe
2908	AcroRd32.exe
2908	AcroRd32.exe
2908	AcroRd32.exe
2908	AcroRd32.exe
2908	AcroRd32.exe
2908	AcroRd32.exe
2908	AcroRd32.exe
2908	AcroRd32.exe
2908	AcroRd32.exe
2908	AcroRd32.exe
2908	AcroRd32.exe
2908	AcroRd32.exe
2908	AcroRd32.exe
2908	AcroRd32.exe
2908	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2908	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2908	AcroRd32.exe
2908	AcroRd32.exe
2908	AcroRd32.exe
2908	AcroRd32.exe
2908	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2908 wrote to memory of 4144	2908	AcroRd32.exe	91
PID 2908 wrote to memory of 4144	2908	AcroRd32.exe	91
PID 2908 wrote to memory of 4144	2908	AcroRd32.exe	91
PID 4144 wrote to memory of 4628	4144	RdrCEF.exe	93
PID 4144 wrote to memory of 4628	4144	RdrCEF.exe	93
PID 4144 wrote to memory of 4628	4144	RdrCEF.exe	93
PID 4144 wrote to memory of 4628	4144	RdrCEF.exe	93
PID 4144 wrote to memory of 4628	4144	RdrCEF.exe	93
PID 4144 wrote to memory of 4628	4144	RdrCEF.exe	93
PID 4144 wrote to memory of 4628	4144	RdrCEF.exe	93
PID 4144 wrote to memory of 4628	4144	RdrCEF.exe	93
PID 4144 wrote to memory of 4628	4144	RdrCEF.exe	93
PID 4144 wrote to memory of 4628	4144	RdrCEF.exe	93
PID 4144 wrote to memory of 4628	4144	RdrCEF.exe	93
PID 4144 wrote to memory of 4628	4144	RdrCEF.exe	93
PID 4144 wrote to memory of 4628	4144	RdrCEF.exe	93
PID 4144 wrote to memory of 4628	4144	RdrCEF.exe	93
PID 4144 wrote to memory of 4628	4144	RdrCEF.exe	93
PID 4144 wrote to memory of 4628	4144	RdrCEF.exe	93
PID 4144 wrote to memory of 4628	4144	RdrCEF.exe	93
PID 4144 wrote to memory of 4628	4144	RdrCEF.exe	93
PID 4144 wrote to memory of 4628	4144	RdrCEF.exe	93
PID 4144 wrote to memory of 4628	4144	RdrCEF.exe	93
PID 4144 wrote to memory of 4628	4144	RdrCEF.exe	93
PID 4144 wrote to memory of 4628	4144	RdrCEF.exe	93
PID 4144 wrote to memory of 4628	4144	RdrCEF.exe	93
PID 4144 wrote to memory of 4628	4144	RdrCEF.exe	93
PID 4144 wrote to memory of 4628	4144	RdrCEF.exe	93
PID 4144 wrote to memory of 4628	4144	RdrCEF.exe	93
PID 4144 wrote to memory of 4628	4144	RdrCEF.exe	93
PID 4144 wrote to memory of 4628	4144	RdrCEF.exe	93
PID 4144 wrote to memory of 4628	4144	RdrCEF.exe	93
PID 4144 wrote to memory of 4628	4144	RdrCEF.exe	93
PID 4144 wrote to memory of 4628	4144	RdrCEF.exe	93
PID 4144 wrote to memory of 4628	4144	RdrCEF.exe	93
PID 4144 wrote to memory of 4628	4144	RdrCEF.exe	93
PID 4144 wrote to memory of 4628	4144	RdrCEF.exe	93
PID 4144 wrote to memory of 4628	4144	RdrCEF.exe	93
PID 4144 wrote to memory of 4628	4144	RdrCEF.exe	93
PID 4144 wrote to memory of 4628	4144	RdrCEF.exe	93
PID 4144 wrote to memory of 4628	4144	RdrCEF.exe	93
PID 4144 wrote to memory of 4628	4144	RdrCEF.exe	93
PID 4144 wrote to memory of 4628	4144	RdrCEF.exe	93
PID 4144 wrote to memory of 4628	4144	RdrCEF.exe	93
PID 4144 wrote to memory of 1072	4144	RdrCEF.exe	92
PID 4144 wrote to memory of 1072	4144	RdrCEF.exe	92
PID 4144 wrote to memory of 1072	4144	RdrCEF.exe	92
PID 4144 wrote to memory of 1072	4144	RdrCEF.exe	92
PID 4144 wrote to memory of 1072	4144	RdrCEF.exe	92
PID 4144 wrote to memory of 1072	4144	RdrCEF.exe	92
PID 4144 wrote to memory of 1072	4144	RdrCEF.exe	92
PID 4144 wrote to memory of 1072	4144	RdrCEF.exe	92
PID 4144 wrote to memory of 1072	4144	RdrCEF.exe	92
PID 4144 wrote to memory of 1072	4144	RdrCEF.exe	92
PID 4144 wrote to memory of 1072	4144	RdrCEF.exe	92
PID 4144 wrote to memory of 1072	4144	RdrCEF.exe	92
PID 4144 wrote to memory of 1072	4144	RdrCEF.exe	92
PID 4144 wrote to memory of 1072	4144	RdrCEF.exe	92
PID 4144 wrote to memory of 1072	4144	RdrCEF.exe	92
PID 4144 wrote to memory of 1072	4144	RdrCEF.exe	92
PID 4144 wrote to memory of 1072	4144	RdrCEF.exe	92
PID 4144 wrote to memory of 1072	4144	RdrCEF.exe	92
PID 4144 wrote to memory of 1072	4144	RdrCEF.exe	92
PID 4144 wrote to memory of 1072	4144	RdrCEF.exe	92

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\709b8fdc611b77e0a8fdfeee54520677.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:2908
- 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:4144
- - 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=886493EBC65DC2605EBC02191E38FD3C --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=886493EBC65DC2605EBC02191E38FD3C --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1072
- - 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=FEA6D2DADC552333513187E5C3941A16 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4628
- - 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=7CC4634CFF3868807902EC49FD4C625E --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=7CC4634CFF3868807902EC49FD4C625E --renderer-client-id=4 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3024
- - 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=E41F29D164F03A4F15A4EE9548BD718E --mojo-platform-channel-handle=2560 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3428
- - 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=00AFCC7C0B96261A985EE65FC0821E27 --mojo-platform-channel-handle=2652 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3248
- - 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=7D973592A3B6F278FFFBBAAA7EC89624 --mojo-platform-channel-handle=2676 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3860

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:792

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

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
2ddcca3883eb5ff80af86223ee970e7c

SHA1
00eb81512ad9358c3edebef7e5d563b2979fe860

SHA256
ced3b0412162c24a151fadc27dba7985c6ffaf96e916f9ff24c4dcff50fa3c85

SHA512
94666cf1b08df40ee0dd195bda4c269e3f6a6f13031be3e42197ae5a0be84ae829f59637cd3f2d6f928e1afd3fb65a410b5b38fd96f2dec036e5c356a5f57144

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit