a63125b4e1420084a09ce734c5e103fd83651852129fd14ba7e0c5ca1f74f4f5

Analysis

max time kernel
144s
max time network
162s
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, 02:56

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General

Target

4e4141c1c9fbc23dc0601ab655c9c98b.pdf
Size

92KB
MD5

4e4141c1c9fbc23dc0601ab655c9c98b
SHA1

52ae8efed2c16a631f200181ed9f1d04a43a375d
SHA256

a63125b4e1420084a09ce734c5e103fd83651852129fd14ba7e0c5ca1f74f4f5
SHA512

7c22789e637bc2b67519a59c821397a2741842755baf9b1e0051cece6c3ba3815195bbc7be8a6a9b073f66767fec056606f0f82513cefe5c1f80312b216e2ab2
SSDEEP

1536:pk8lGKUqrZjdk8Rv1eiTH6bQuVKMzWrgH4bpRHWsGEvpWwpOSX4a7ey/KaS+yV:tGws4MXzVKHW4bpREEvgSX4A/K6M

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4412	AcroRd32.exe
4412	AcroRd32.exe
4412	AcroRd32.exe
4412	AcroRd32.exe
4412	AcroRd32.exe
4412	AcroRd32.exe
4412	AcroRd32.exe
4412	AcroRd32.exe
4412	AcroRd32.exe
4412	AcroRd32.exe
4412	AcroRd32.exe
4412	AcroRd32.exe
4412	AcroRd32.exe
4412	AcroRd32.exe
4412	AcroRd32.exe
4412	AcroRd32.exe
4412	AcroRd32.exe
4412	AcroRd32.exe
4412	AcroRd32.exe
4412	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4412	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4412	AcroRd32.exe
4412	AcroRd32.exe
4412	AcroRd32.exe
4412	AcroRd32.exe
4412	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4412 wrote to memory of 5116	4412	AcroRd32.exe	91
PID 4412 wrote to memory of 5116	4412	AcroRd32.exe	91
PID 4412 wrote to memory of 5116	4412	AcroRd32.exe	91
PID 5116 wrote to memory of 748	5116	RdrCEF.exe	92
PID 5116 wrote to memory of 748	5116	RdrCEF.exe	92
PID 5116 wrote to memory of 748	5116	RdrCEF.exe	92
PID 5116 wrote to memory of 748	5116	RdrCEF.exe	92
PID 5116 wrote to memory of 748	5116	RdrCEF.exe	92
PID 5116 wrote to memory of 748	5116	RdrCEF.exe	92
PID 5116 wrote to memory of 748	5116	RdrCEF.exe	92
PID 5116 wrote to memory of 748	5116	RdrCEF.exe	92
PID 5116 wrote to memory of 748	5116	RdrCEF.exe	92
PID 5116 wrote to memory of 748	5116	RdrCEF.exe	92
PID 5116 wrote to memory of 748	5116	RdrCEF.exe	92
PID 5116 wrote to memory of 748	5116	RdrCEF.exe	92
PID 5116 wrote to memory of 748	5116	RdrCEF.exe	92
PID 5116 wrote to memory of 748	5116	RdrCEF.exe	92
PID 5116 wrote to memory of 748	5116	RdrCEF.exe	92
PID 5116 wrote to memory of 748	5116	RdrCEF.exe	92
PID 5116 wrote to memory of 748	5116	RdrCEF.exe	92
PID 5116 wrote to memory of 748	5116	RdrCEF.exe	92
PID 5116 wrote to memory of 748	5116	RdrCEF.exe	92
PID 5116 wrote to memory of 748	5116	RdrCEF.exe	92
PID 5116 wrote to memory of 748	5116	RdrCEF.exe	92
PID 5116 wrote to memory of 748	5116	RdrCEF.exe	92
PID 5116 wrote to memory of 748	5116	RdrCEF.exe	92
PID 5116 wrote to memory of 748	5116	RdrCEF.exe	92
PID 5116 wrote to memory of 748	5116	RdrCEF.exe	92
PID 5116 wrote to memory of 748	5116	RdrCEF.exe	92
PID 5116 wrote to memory of 748	5116	RdrCEF.exe	92
PID 5116 wrote to memory of 748	5116	RdrCEF.exe	92
PID 5116 wrote to memory of 748	5116	RdrCEF.exe	92
PID 5116 wrote to memory of 748	5116	RdrCEF.exe	92
PID 5116 wrote to memory of 748	5116	RdrCEF.exe	92
PID 5116 wrote to memory of 748	5116	RdrCEF.exe	92
PID 5116 wrote to memory of 748	5116	RdrCEF.exe	92
PID 5116 wrote to memory of 748	5116	RdrCEF.exe	92
PID 5116 wrote to memory of 748	5116	RdrCEF.exe	92
PID 5116 wrote to memory of 748	5116	RdrCEF.exe	92
PID 5116 wrote to memory of 748	5116	RdrCEF.exe	92
PID 5116 wrote to memory of 748	5116	RdrCEF.exe	92
PID 5116 wrote to memory of 748	5116	RdrCEF.exe	92
PID 5116 wrote to memory of 748	5116	RdrCEF.exe	92
PID 5116 wrote to memory of 748	5116	RdrCEF.exe	92
PID 5116 wrote to memory of 1844	5116	RdrCEF.exe	93
PID 5116 wrote to memory of 1844	5116	RdrCEF.exe	93
PID 5116 wrote to memory of 1844	5116	RdrCEF.exe	93
PID 5116 wrote to memory of 1844	5116	RdrCEF.exe	93
PID 5116 wrote to memory of 1844	5116	RdrCEF.exe	93
PID 5116 wrote to memory of 1844	5116	RdrCEF.exe	93
PID 5116 wrote to memory of 1844	5116	RdrCEF.exe	93
PID 5116 wrote to memory of 1844	5116	RdrCEF.exe	93
PID 5116 wrote to memory of 1844	5116	RdrCEF.exe	93
PID 5116 wrote to memory of 1844	5116	RdrCEF.exe	93
PID 5116 wrote to memory of 1844	5116	RdrCEF.exe	93
PID 5116 wrote to memory of 1844	5116	RdrCEF.exe	93
PID 5116 wrote to memory of 1844	5116	RdrCEF.exe	93
PID 5116 wrote to memory of 1844	5116	RdrCEF.exe	93
PID 5116 wrote to memory of 1844	5116	RdrCEF.exe	93
PID 5116 wrote to memory of 1844	5116	RdrCEF.exe	93
PID 5116 wrote to memory of 1844	5116	RdrCEF.exe	93
PID 5116 wrote to memory of 1844	5116	RdrCEF.exe	93
PID 5116 wrote to memory of 1844	5116	RdrCEF.exe	93
PID 5116 wrote to memory of 1844	5116	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\4e4141c1c9fbc23dc0601ab655c9c98b.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:4412
- 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: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=19A14A437E5312114626C80850330495 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:748
- - 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=EA749AB904E60AEB9C5582562FA3587B --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=EA749AB904E60AEB9C5582562FA3587B --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1844
- - 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=D8CAF567F408C62C14A0191367230C50 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4112
- - 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=46C7351CCE7106F123D5AED3F2484F34 --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=46C7351CCE7106F123D5AED3F2484F34 --renderer-client-id=5 --mojo-platform-channel-handle=2444 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4668
- - 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=F334B23ADB80337719E88F05FF659573 --mojo-platform-channel-handle=1964 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3280
- - 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=5653E2C4927C5F4CFC7B0D9136A93764 --mojo-platform-channel-handle=2316 --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:1308

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
6acb6f1253a576b56a20a8857a782588

SHA1
c12a7dddccccfafdd174f5d6cc55cab31d5afd11

SHA256
b8da77c41a2064a2b946f8a10f006ee7ccecdd59f34254067cdd21b8d55edaf1

SHA512
b8ebd2579a232830c412b70e3158b6a3aad6c0e39756a907f510705287fe24df4bd8701d361a580bc3645a361c42af9b2064675d18bdd4eb56f8a6ff263942e6

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/4412-28-0x000000000C4B0000-0x000000000C4D1000-memory.dmp

Filesize
132KB

Download