56cb680c6096296f9e56f64e01eeed20bef2a31f5b31159f74c99bf93e00b346

Analysis

max time kernel
149s
max time network
131s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
10/01/2024, 01:08

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General

Target

4f2e1abbe3d53efa446ea9664bc01e15.pdf
Size

81KB
MD5

4f2e1abbe3d53efa446ea9664bc01e15
SHA1

e89f19bd8db1908d91493da8e07b9accc8a09f03
SHA256

56cb680c6096296f9e56f64e01eeed20bef2a31f5b31159f74c99bf93e00b346
SHA512

d312cb6149b859d18a4947407d177bc19d3e46e486e2fb9d457cd43d2700b1092bc646f5492261181ca8469914632566cd2ad486081f3436e205f575a165e749
SSDEEP

1536:Cm9CUZ1TZP5ytEZ6YKJMiy28stfMyZ0REfxWapOtQHWxQR/wviQCiukl:vZbPctEsY2h9JMc0REf+tQgQR/w6Py

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

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4232	AcroRd32.exe
4232	AcroRd32.exe
4232	AcroRd32.exe
4232	AcroRd32.exe
4232	AcroRd32.exe
4232	AcroRd32.exe
4232	AcroRd32.exe
4232	AcroRd32.exe
4232	AcroRd32.exe
4232	AcroRd32.exe
4232	AcroRd32.exe
4232	AcroRd32.exe
4232	AcroRd32.exe
4232	AcroRd32.exe
4232	AcroRd32.exe
4232	AcroRd32.exe
4232	AcroRd32.exe
4232	AcroRd32.exe
4232	AcroRd32.exe
4232	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4232	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4232	AcroRd32.exe
4232	AcroRd32.exe
4232	AcroRd32.exe
4232	AcroRd32.exe
4232	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4232 wrote to memory of 4796	4232	AcroRd32.exe	92
PID 4232 wrote to memory of 4796	4232	AcroRd32.exe	92
PID 4232 wrote to memory of 4796	4232	AcroRd32.exe	92
PID 4796 wrote to memory of 1148	4796	RdrCEF.exe	94
PID 4796 wrote to memory of 1148	4796	RdrCEF.exe	94
PID 4796 wrote to memory of 1148	4796	RdrCEF.exe	94
PID 4796 wrote to memory of 1148	4796	RdrCEF.exe	94
PID 4796 wrote to memory of 1148	4796	RdrCEF.exe	94
PID 4796 wrote to memory of 1148	4796	RdrCEF.exe	94
PID 4796 wrote to memory of 1148	4796	RdrCEF.exe	94
PID 4796 wrote to memory of 1148	4796	RdrCEF.exe	94
PID 4796 wrote to memory of 1148	4796	RdrCEF.exe	94
PID 4796 wrote to memory of 1148	4796	RdrCEF.exe	94
PID 4796 wrote to memory of 1148	4796	RdrCEF.exe	94
PID 4796 wrote to memory of 1148	4796	RdrCEF.exe	94
PID 4796 wrote to memory of 1148	4796	RdrCEF.exe	94
PID 4796 wrote to memory of 1148	4796	RdrCEF.exe	94
PID 4796 wrote to memory of 1148	4796	RdrCEF.exe	94
PID 4796 wrote to memory of 1148	4796	RdrCEF.exe	94
PID 4796 wrote to memory of 1148	4796	RdrCEF.exe	94
PID 4796 wrote to memory of 1148	4796	RdrCEF.exe	94
PID 4796 wrote to memory of 1148	4796	RdrCEF.exe	94
PID 4796 wrote to memory of 1148	4796	RdrCEF.exe	94
PID 4796 wrote to memory of 1148	4796	RdrCEF.exe	94
PID 4796 wrote to memory of 1148	4796	RdrCEF.exe	94
PID 4796 wrote to memory of 1148	4796	RdrCEF.exe	94
PID 4796 wrote to memory of 1148	4796	RdrCEF.exe	94
PID 4796 wrote to memory of 1148	4796	RdrCEF.exe	94
PID 4796 wrote to memory of 1148	4796	RdrCEF.exe	94
PID 4796 wrote to memory of 1148	4796	RdrCEF.exe	94
PID 4796 wrote to memory of 1148	4796	RdrCEF.exe	94
PID 4796 wrote to memory of 1148	4796	RdrCEF.exe	94
PID 4796 wrote to memory of 1148	4796	RdrCEF.exe	94
PID 4796 wrote to memory of 1148	4796	RdrCEF.exe	94
PID 4796 wrote to memory of 1148	4796	RdrCEF.exe	94
PID 4796 wrote to memory of 1148	4796	RdrCEF.exe	94
PID 4796 wrote to memory of 1148	4796	RdrCEF.exe	94
PID 4796 wrote to memory of 1148	4796	RdrCEF.exe	94
PID 4796 wrote to memory of 1148	4796	RdrCEF.exe	94
PID 4796 wrote to memory of 1148	4796	RdrCEF.exe	94
PID 4796 wrote to memory of 1148	4796	RdrCEF.exe	94
PID 4796 wrote to memory of 1148	4796	RdrCEF.exe	94
PID 4796 wrote to memory of 1148	4796	RdrCEF.exe	94
PID 4796 wrote to memory of 1148	4796	RdrCEF.exe	94
PID 4796 wrote to memory of 1916	4796	RdrCEF.exe	93
PID 4796 wrote to memory of 1916	4796	RdrCEF.exe	93
PID 4796 wrote to memory of 1916	4796	RdrCEF.exe	93
PID 4796 wrote to memory of 1916	4796	RdrCEF.exe	93
PID 4796 wrote to memory of 1916	4796	RdrCEF.exe	93
PID 4796 wrote to memory of 1916	4796	RdrCEF.exe	93
PID 4796 wrote to memory of 1916	4796	RdrCEF.exe	93
PID 4796 wrote to memory of 1916	4796	RdrCEF.exe	93
PID 4796 wrote to memory of 1916	4796	RdrCEF.exe	93
PID 4796 wrote to memory of 1916	4796	RdrCEF.exe	93
PID 4796 wrote to memory of 1916	4796	RdrCEF.exe	93
PID 4796 wrote to memory of 1916	4796	RdrCEF.exe	93
PID 4796 wrote to memory of 1916	4796	RdrCEF.exe	93
PID 4796 wrote to memory of 1916	4796	RdrCEF.exe	93
PID 4796 wrote to memory of 1916	4796	RdrCEF.exe	93
PID 4796 wrote to memory of 1916	4796	RdrCEF.exe	93
PID 4796 wrote to memory of 1916	4796	RdrCEF.exe	93
PID 4796 wrote to memory of 1916	4796	RdrCEF.exe	93
PID 4796 wrote to memory of 1916	4796	RdrCEF.exe	93
PID 4796 wrote to memory of 1916	4796	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\4f2e1abbe3d53efa446ea9664bc01e15.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:4232
- 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:4796
- - 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=72C4859A66BB30794500FC6CB068A736 --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=72C4859A66BB30794500FC6CB068A736 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1916
- - 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=F5969DC50E3C6A603B161986089A5F3F --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    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" --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=E76C134929DEB70FFCF10E378EF7295D --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4880
- - 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=777B85F065488E80F6C61A848367C185 --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=777B85F065488E80F6C61A848367C185 --renderer-client-id=6 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3420
- - 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=1BA5F3B2A42557AC6214428AB80B20C1 --mojo-platform-channel-handle=2540 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:364
- - 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=E03EFDA90B02D7A6530540A80C85FF2B --mojo-platform-channel-handle=1944 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3108

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
8306575b2e9947679b3768a9fa0ddb22

SHA1
c79cb3e35579421d16479591e6849e5483379f47

SHA256
d8088120c3ce199b51798ecdc742652f8b4cc4caa713f5e0c546edd8dc0bcc0c

SHA512
249c71e074d54343954c1523ac46bfb8cb8ba791aa63ba19422c7f2d557964dddd1693f85567650e590b24f06afcb90ed8c44dbbd49056e3e1b47b27cefafd4d

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

Filesize
56KB

MD5
c26ed30e7d5ab440480838636efc41db

SHA1
c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591

SHA256
6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef

SHA512
96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
memory/4232-28-0x000000000B210000-0x000000000B231000-memory.dmp

Filesize
132KB

Download
memory/4232-26-0x000000000B210000-0x000000000B260000-memory.dmp

Filesize
320KB

Download