2fe9123a2e408bec10d8e471e9ca400f079b81fc4f42b4446849cba24bb6cc6d

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
07/01/2024, 12:36

Sharing

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General

Target

48ffe8b9c3eebb2b5e2bb3d63b7dddea.pdf
Size

58KB
MD5

48ffe8b9c3eebb2b5e2bb3d63b7dddea
SHA1

b74b8fe70061500f8e2c02a54979c70f57c8b29a
SHA256

2fe9123a2e408bec10d8e471e9ca400f079b81fc4f42b4446849cba24bb6cc6d
SHA512

925971ee6d7105fdad50cadafef626ac526dc3cd7e734d12c5750ca15eb2b4aa3fe301958bffd41fcd828a7ee7710e9340c570a4ee6d7d4f51655876c223b4b4
SSDEEP

1536:X6fS7MZM6fsApX+uGTpBVhYeHCQdIlmDMrVZ9VP4LoGc14UwsPFV:l6cuwl7ZDMrtNpGc1ssD

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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2620	AcroRd32.exe
2620	AcroRd32.exe
2620	AcroRd32.exe
2620	AcroRd32.exe
2620	AcroRd32.exe
2620	AcroRd32.exe
2620	AcroRd32.exe
2620	AcroRd32.exe
2620	AcroRd32.exe
2620	AcroRd32.exe
2620	AcroRd32.exe
2620	AcroRd32.exe
2620	AcroRd32.exe
2620	AcroRd32.exe
2620	AcroRd32.exe
2620	AcroRd32.exe
2620	AcroRd32.exe
2620	AcroRd32.exe
2620	AcroRd32.exe
2620	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2620	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2620	AcroRd32.exe
2620	AcroRd32.exe
2620	AcroRd32.exe
2620	AcroRd32.exe
2620	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2620 wrote to memory of 4416	2620	AcroRd32.exe	92
PID 2620 wrote to memory of 4416	2620	AcroRd32.exe	92
PID 2620 wrote to memory of 4416	2620	AcroRd32.exe	92
PID 4416 wrote to memory of 2372	4416	RdrCEF.exe	94
PID 4416 wrote to memory of 2372	4416	RdrCEF.exe	94
PID 4416 wrote to memory of 2372	4416	RdrCEF.exe	94
PID 4416 wrote to memory of 2372	4416	RdrCEF.exe	94
PID 4416 wrote to memory of 2372	4416	RdrCEF.exe	94
PID 4416 wrote to memory of 2372	4416	RdrCEF.exe	94
PID 4416 wrote to memory of 2372	4416	RdrCEF.exe	94
PID 4416 wrote to memory of 2372	4416	RdrCEF.exe	94
PID 4416 wrote to memory of 2372	4416	RdrCEF.exe	94
PID 4416 wrote to memory of 2372	4416	RdrCEF.exe	94
PID 4416 wrote to memory of 2372	4416	RdrCEF.exe	94
PID 4416 wrote to memory of 2372	4416	RdrCEF.exe	94
PID 4416 wrote to memory of 2372	4416	RdrCEF.exe	94
PID 4416 wrote to memory of 2372	4416	RdrCEF.exe	94
PID 4416 wrote to memory of 2372	4416	RdrCEF.exe	94
PID 4416 wrote to memory of 2372	4416	RdrCEF.exe	94
PID 4416 wrote to memory of 2372	4416	RdrCEF.exe	94
PID 4416 wrote to memory of 2372	4416	RdrCEF.exe	94
PID 4416 wrote to memory of 2372	4416	RdrCEF.exe	94
PID 4416 wrote to memory of 2372	4416	RdrCEF.exe	94
PID 4416 wrote to memory of 2372	4416	RdrCEF.exe	94
PID 4416 wrote to memory of 2372	4416	RdrCEF.exe	94
PID 4416 wrote to memory of 2372	4416	RdrCEF.exe	94
PID 4416 wrote to memory of 2372	4416	RdrCEF.exe	94
PID 4416 wrote to memory of 2372	4416	RdrCEF.exe	94
PID 4416 wrote to memory of 2372	4416	RdrCEF.exe	94
PID 4416 wrote to memory of 2372	4416	RdrCEF.exe	94
PID 4416 wrote to memory of 2372	4416	RdrCEF.exe	94
PID 4416 wrote to memory of 2372	4416	RdrCEF.exe	94
PID 4416 wrote to memory of 2372	4416	RdrCEF.exe	94
PID 4416 wrote to memory of 2372	4416	RdrCEF.exe	94
PID 4416 wrote to memory of 2372	4416	RdrCEF.exe	94
PID 4416 wrote to memory of 2372	4416	RdrCEF.exe	94
PID 4416 wrote to memory of 2372	4416	RdrCEF.exe	94
PID 4416 wrote to memory of 2372	4416	RdrCEF.exe	94
PID 4416 wrote to memory of 2372	4416	RdrCEF.exe	94
PID 4416 wrote to memory of 2372	4416	RdrCEF.exe	94
PID 4416 wrote to memory of 2372	4416	RdrCEF.exe	94
PID 4416 wrote to memory of 2372	4416	RdrCEF.exe	94
PID 4416 wrote to memory of 2372	4416	RdrCEF.exe	94
PID 4416 wrote to memory of 2372	4416	RdrCEF.exe	94
PID 4416 wrote to memory of 5012	4416	RdrCEF.exe	93
PID 4416 wrote to memory of 5012	4416	RdrCEF.exe	93
PID 4416 wrote to memory of 5012	4416	RdrCEF.exe	93
PID 4416 wrote to memory of 5012	4416	RdrCEF.exe	93
PID 4416 wrote to memory of 5012	4416	RdrCEF.exe	93
PID 4416 wrote to memory of 5012	4416	RdrCEF.exe	93
PID 4416 wrote to memory of 5012	4416	RdrCEF.exe	93
PID 4416 wrote to memory of 5012	4416	RdrCEF.exe	93
PID 4416 wrote to memory of 5012	4416	RdrCEF.exe	93
PID 4416 wrote to memory of 5012	4416	RdrCEF.exe	93
PID 4416 wrote to memory of 5012	4416	RdrCEF.exe	93
PID 4416 wrote to memory of 5012	4416	RdrCEF.exe	93
PID 4416 wrote to memory of 5012	4416	RdrCEF.exe	93
PID 4416 wrote to memory of 5012	4416	RdrCEF.exe	93
PID 4416 wrote to memory of 5012	4416	RdrCEF.exe	93
PID 4416 wrote to memory of 5012	4416	RdrCEF.exe	93
PID 4416 wrote to memory of 5012	4416	RdrCEF.exe	93
PID 4416 wrote to memory of 5012	4416	RdrCEF.exe	93
PID 4416 wrote to memory of 5012	4416	RdrCEF.exe	93
PID 4416 wrote to memory of 5012	4416	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\48ffe8b9c3eebb2b5e2bb3d63b7dddea.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:2620
- 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:4416
- - 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=279AC9A58323187782CAB011755DF8F8 --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=279AC9A58323187782CAB011755DF8F8 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5012
- - 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=2A8F08B4B25E692839537B38633A95D9 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2372
- - 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=176BFA66C2AAB68536F96034CC5D8FB1 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:384
- - 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=C6943D82DEFB6CF5996E3073C5F280FA --mojo-platform-channel-handle=2432 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4968
- - 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=77518F93C89B568179566384B91CA9CA --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=77518F93C89B568179566384B91CA9CA --renderer-client-id=6 --mojo-platform-channel-handle=2548 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2256
- - 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=B985211F85A61AF087241623DFC4F243 --mojo-platform-channel-handle=2784 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3692

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4728

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
08eff45f893547661a3909b630194981

SHA1
3a4b8e983406d243288fb7084aab27af50099524

SHA256
d6207fedb06ceac9600b963223e9cf9a76a14022812ddc80a6990d934d925bfe

SHA512
76ba4c9f04fe763e89daa04b83a471cdaf217223e42f53374fa7931f30c3af41a40055471ceedab4edf0a485f9a894b1a15bfe7ef22a544901c586a556325970

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