9656ff1d3d6da7ddf67e1fb2a42173b82191359a17ee6c7b6365b49b3b8eaf1d

Analysis

max time kernel
155s
max time network
173s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2023, 12:52

Sharing

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General

Target

1fe66edcce527e5a4b242dcf89bae164.pdf
Size

91KB
MD5

1fe66edcce527e5a4b242dcf89bae164
SHA1

5a9930ae90f499f7087267364d511b6cf3b53267
SHA256

9656ff1d3d6da7ddf67e1fb2a42173b82191359a17ee6c7b6365b49b3b8eaf1d
SHA512

bdebf660ed99507d1784e834f229c27c332eabe7a1d89a6a649330019df719128f564ba7d2888cf7b8739d041e4df9ccf2c334e759a0294fae55374928932d41
SSDEEP

1536:UrejNWRVODECf31H523u40fqL9XTvCAjYKrZDPho4WYpO23+hRkkWuN5yj1uJ2ER:AGEODECf31H6u40iL9XTBY6ZDZC2uhRx

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-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4788	AcroRd32.exe
4788	AcroRd32.exe
4788	AcroRd32.exe
4788	AcroRd32.exe
4788	AcroRd32.exe
4788	AcroRd32.exe
4788	AcroRd32.exe
4788	AcroRd32.exe
4788	AcroRd32.exe
4788	AcroRd32.exe
4788	AcroRd32.exe
4788	AcroRd32.exe
4788	AcroRd32.exe
4788	AcroRd32.exe
4788	AcroRd32.exe
4788	AcroRd32.exe
4788	AcroRd32.exe
4788	AcroRd32.exe
4788	AcroRd32.exe
4788	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4788	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4788	AcroRd32.exe
4788	AcroRd32.exe
4788	AcroRd32.exe
4788	AcroRd32.exe
4788	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4788 wrote to memory of 1652	4788	AcroRd32.exe	91
PID 4788 wrote to memory of 1652	4788	AcroRd32.exe	91
PID 4788 wrote to memory of 1652	4788	AcroRd32.exe	91
PID 1652 wrote to memory of 64	1652	RdrCEF.exe	92
PID 1652 wrote to memory of 64	1652	RdrCEF.exe	92
PID 1652 wrote to memory of 64	1652	RdrCEF.exe	92
PID 1652 wrote to memory of 64	1652	RdrCEF.exe	92
PID 1652 wrote to memory of 64	1652	RdrCEF.exe	92
PID 1652 wrote to memory of 64	1652	RdrCEF.exe	92
PID 1652 wrote to memory of 64	1652	RdrCEF.exe	92
PID 1652 wrote to memory of 64	1652	RdrCEF.exe	92
PID 1652 wrote to memory of 64	1652	RdrCEF.exe	92
PID 1652 wrote to memory of 64	1652	RdrCEF.exe	92
PID 1652 wrote to memory of 64	1652	RdrCEF.exe	92
PID 1652 wrote to memory of 64	1652	RdrCEF.exe	92
PID 1652 wrote to memory of 64	1652	RdrCEF.exe	92
PID 1652 wrote to memory of 64	1652	RdrCEF.exe	92
PID 1652 wrote to memory of 64	1652	RdrCEF.exe	92
PID 1652 wrote to memory of 64	1652	RdrCEF.exe	92
PID 1652 wrote to memory of 64	1652	RdrCEF.exe	92
PID 1652 wrote to memory of 64	1652	RdrCEF.exe	92
PID 1652 wrote to memory of 64	1652	RdrCEF.exe	92
PID 1652 wrote to memory of 64	1652	RdrCEF.exe	92
PID 1652 wrote to memory of 64	1652	RdrCEF.exe	92
PID 1652 wrote to memory of 64	1652	RdrCEF.exe	92
PID 1652 wrote to memory of 64	1652	RdrCEF.exe	92
PID 1652 wrote to memory of 64	1652	RdrCEF.exe	92
PID 1652 wrote to memory of 64	1652	RdrCEF.exe	92
PID 1652 wrote to memory of 64	1652	RdrCEF.exe	92
PID 1652 wrote to memory of 64	1652	RdrCEF.exe	92
PID 1652 wrote to memory of 64	1652	RdrCEF.exe	92
PID 1652 wrote to memory of 64	1652	RdrCEF.exe	92
PID 1652 wrote to memory of 64	1652	RdrCEF.exe	92
PID 1652 wrote to memory of 64	1652	RdrCEF.exe	92
PID 1652 wrote to memory of 64	1652	RdrCEF.exe	92
PID 1652 wrote to memory of 64	1652	RdrCEF.exe	92
PID 1652 wrote to memory of 64	1652	RdrCEF.exe	92
PID 1652 wrote to memory of 64	1652	RdrCEF.exe	92
PID 1652 wrote to memory of 64	1652	RdrCEF.exe	92
PID 1652 wrote to memory of 64	1652	RdrCEF.exe	92
PID 1652 wrote to memory of 64	1652	RdrCEF.exe	92
PID 1652 wrote to memory of 64	1652	RdrCEF.exe	92
PID 1652 wrote to memory of 64	1652	RdrCEF.exe	92
PID 1652 wrote to memory of 64	1652	RdrCEF.exe	92
PID 1652 wrote to memory of 3768	1652	RdrCEF.exe	93
PID 1652 wrote to memory of 3768	1652	RdrCEF.exe	93
PID 1652 wrote to memory of 3768	1652	RdrCEF.exe	93
PID 1652 wrote to memory of 3768	1652	RdrCEF.exe	93
PID 1652 wrote to memory of 3768	1652	RdrCEF.exe	93
PID 1652 wrote to memory of 3768	1652	RdrCEF.exe	93
PID 1652 wrote to memory of 3768	1652	RdrCEF.exe	93
PID 1652 wrote to memory of 3768	1652	RdrCEF.exe	93
PID 1652 wrote to memory of 3768	1652	RdrCEF.exe	93
PID 1652 wrote to memory of 3768	1652	RdrCEF.exe	93
PID 1652 wrote to memory of 3768	1652	RdrCEF.exe	93
PID 1652 wrote to memory of 3768	1652	RdrCEF.exe	93
PID 1652 wrote to memory of 3768	1652	RdrCEF.exe	93
PID 1652 wrote to memory of 3768	1652	RdrCEF.exe	93
PID 1652 wrote to memory of 3768	1652	RdrCEF.exe	93
PID 1652 wrote to memory of 3768	1652	RdrCEF.exe	93
PID 1652 wrote to memory of 3768	1652	RdrCEF.exe	93
PID 1652 wrote to memory of 3768	1652	RdrCEF.exe	93
PID 1652 wrote to memory of 3768	1652	RdrCEF.exe	93
PID 1652 wrote to memory of 3768	1652	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\1fe66edcce527e5a4b242dcf89bae164.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:4788
- 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:1652
- - 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=9FB9C5D34D0F0703EC88DCD7BF15A728 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:64
- - 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=39BEB5A191851BE5F866528C95515DDD --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=39BEB5A191851BE5F866528C95515DDD --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3768
- - 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=DC7427D2485575A1EDB21BA0E777E433 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1064
- - 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=F18C7A97420FC0A80A91F651A60585BD --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=F18C7A97420FC0A80A91F651A60585BD --renderer-client-id=5 --mojo-platform-channel-handle=1844 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3468
- - 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=C77B655D99453F012F45D36892A8533E --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5116
- - 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=38B9909FC9C5806A4DE02B2B7C586E77 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2300

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
c0ee2bea25b25506daec994a87271a88

SHA1
7ac524c0d95c5fe087e9c50066bff01c454dc6ad

SHA256
709971f174622af240307c7c86fc61747188c03ec9e20438c668ba37ccea3c06

SHA512
4799f62521ce4265077df8bc29d2d75f3ba16e30b7cdcf8f0d7cb19418f18e8ea1c2dab2c08ddd60a2ae66abcf8c93919015d72d21bbe2a600f1f7ab352ec56c

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