f748edf89b2f18b53093656afa0d9ae2690d1877864c4090bd0cf69e8ded1099

Analysis

max time kernel
143s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25/01/2024, 05:02

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General

Target

73cdf1cd63ee91bfb01c20e8e725a261.pdf
Size

77KB
MD5

73cdf1cd63ee91bfb01c20e8e725a261
SHA1

e3120a495f0b5f3ff48cf90d20e3f522e0f3bebe
SHA256

f748edf89b2f18b53093656afa0d9ae2690d1877864c4090bd0cf69e8ded1099
SHA512

9b6d706475d2c28818c3b83ea81278acf70edf9adb2fdc8b0ebc0f1aa76c8c22fa2a24cfc2ac3559ef41d94294b3fa14cf513bb74e53c1b62e7e1b4900106614
SSDEEP

1536:Cyr6u8GOWLMQSprRezcKqUlpSJbQhaJG6SQW8pO+I7i1onSWv34yQjg+U05VUo:tQDWLMQErQGU7S1QhadS7+I7Nnd34fgI

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
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4836	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4836 wrote to memory of 1300	4836	AcroRd32.exe	89
PID 4836 wrote to memory of 1300	4836	AcroRd32.exe	89
PID 4836 wrote to memory of 1300	4836	AcroRd32.exe	89
PID 1300 wrote to memory of 1732	1300	RdrCEF.exe	92
PID 1300 wrote to memory of 1732	1300	RdrCEF.exe	92
PID 1300 wrote to memory of 1732	1300	RdrCEF.exe	92
PID 1300 wrote to memory of 1732	1300	RdrCEF.exe	92
PID 1300 wrote to memory of 1732	1300	RdrCEF.exe	92
PID 1300 wrote to memory of 1732	1300	RdrCEF.exe	92
PID 1300 wrote to memory of 1732	1300	RdrCEF.exe	92
PID 1300 wrote to memory of 1732	1300	RdrCEF.exe	92
PID 1300 wrote to memory of 1732	1300	RdrCEF.exe	92
PID 1300 wrote to memory of 1732	1300	RdrCEF.exe	92
PID 1300 wrote to memory of 1732	1300	RdrCEF.exe	92
PID 1300 wrote to memory of 1732	1300	RdrCEF.exe	92
PID 1300 wrote to memory of 1732	1300	RdrCEF.exe	92
PID 1300 wrote to memory of 1732	1300	RdrCEF.exe	92
PID 1300 wrote to memory of 1732	1300	RdrCEF.exe	92
PID 1300 wrote to memory of 1732	1300	RdrCEF.exe	92
PID 1300 wrote to memory of 1732	1300	RdrCEF.exe	92
PID 1300 wrote to memory of 1732	1300	RdrCEF.exe	92
PID 1300 wrote to memory of 1732	1300	RdrCEF.exe	92
PID 1300 wrote to memory of 1732	1300	RdrCEF.exe	92
PID 1300 wrote to memory of 1732	1300	RdrCEF.exe	92
PID 1300 wrote to memory of 1732	1300	RdrCEF.exe	92
PID 1300 wrote to memory of 1732	1300	RdrCEF.exe	92
PID 1300 wrote to memory of 1732	1300	RdrCEF.exe	92
PID 1300 wrote to memory of 1732	1300	RdrCEF.exe	92
PID 1300 wrote to memory of 1732	1300	RdrCEF.exe	92
PID 1300 wrote to memory of 1732	1300	RdrCEF.exe	92
PID 1300 wrote to memory of 1732	1300	RdrCEF.exe	92
PID 1300 wrote to memory of 1732	1300	RdrCEF.exe	92
PID 1300 wrote to memory of 1732	1300	RdrCEF.exe	92
PID 1300 wrote to memory of 1732	1300	RdrCEF.exe	92
PID 1300 wrote to memory of 1732	1300	RdrCEF.exe	92
PID 1300 wrote to memory of 1732	1300	RdrCEF.exe	92
PID 1300 wrote to memory of 1732	1300	RdrCEF.exe	92
PID 1300 wrote to memory of 1732	1300	RdrCEF.exe	92
PID 1300 wrote to memory of 1732	1300	RdrCEF.exe	92
PID 1300 wrote to memory of 1732	1300	RdrCEF.exe	92
PID 1300 wrote to memory of 1732	1300	RdrCEF.exe	92
PID 1300 wrote to memory of 1732	1300	RdrCEF.exe	92
PID 1300 wrote to memory of 1732	1300	RdrCEF.exe	92
PID 1300 wrote to memory of 1732	1300	RdrCEF.exe	92
PID 1300 wrote to memory of 4120	1300	RdrCEF.exe	93
PID 1300 wrote to memory of 4120	1300	RdrCEF.exe	93
PID 1300 wrote to memory of 4120	1300	RdrCEF.exe	93
PID 1300 wrote to memory of 4120	1300	RdrCEF.exe	93
PID 1300 wrote to memory of 4120	1300	RdrCEF.exe	93
PID 1300 wrote to memory of 4120	1300	RdrCEF.exe	93
PID 1300 wrote to memory of 4120	1300	RdrCEF.exe	93
PID 1300 wrote to memory of 4120	1300	RdrCEF.exe	93
PID 1300 wrote to memory of 4120	1300	RdrCEF.exe	93
PID 1300 wrote to memory of 4120	1300	RdrCEF.exe	93
PID 1300 wrote to memory of 4120	1300	RdrCEF.exe	93
PID 1300 wrote to memory of 4120	1300	RdrCEF.exe	93
PID 1300 wrote to memory of 4120	1300	RdrCEF.exe	93
PID 1300 wrote to memory of 4120	1300	RdrCEF.exe	93
PID 1300 wrote to memory of 4120	1300	RdrCEF.exe	93
PID 1300 wrote to memory of 4120	1300	RdrCEF.exe	93
PID 1300 wrote to memory of 4120	1300	RdrCEF.exe	93
PID 1300 wrote to memory of 4120	1300	RdrCEF.exe	93
PID 1300 wrote to memory of 4120	1300	RdrCEF.exe	93
PID 1300 wrote to memory of 4120	1300	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\73cdf1cd63ee91bfb01c20e8e725a261.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:4836
- 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:1300
- - 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=58E5F45F370384EB65AD6EE8EDDE8098 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1732
- - 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=63AADBE5A763985B231C8D2D372CA3DB --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=63AADBE5A763985B231C8D2D372CA3DB --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4120
- - 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=C0A6A9B40664342D5511EFD88BA85739 --mojo-platform-channel-handle=2148 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1600
- - 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=58808612756EA081EE27C98587FAC185 --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=58808612756EA081EE27C98587FAC185 --renderer-client-id=5 --mojo-platform-channel-handle=2424 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2948
- - 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=60567D42BD222DDAF4A4A0760CB26674 --mojo-platform-channel-handle=2336 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1092
- - 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=FCFC7124E901F5D364727ED3DFC9651E --mojo-platform-channel-handle=2352 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3628

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
eb24ac7a86b7feb4e7ef4cc74c993523

SHA1
cf79c3f51a077f12768e9a2d3a1e193f1be88d8e

SHA256
58ee160c625c5fe54e8197619ed416fb49286bff69af65da1f4eeb231f4406be

SHA512
e33bf8674a0ac785585c2bb323b47991c67e43d79e4028781e2e9bd4e4958381eb2e7713c83aa49c594dcffe38f349d9350f25bd76f8754ef810b3bcec3769c3

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/4836-27-0x0000000009050000-0x0000000009071000-memory.dmp

Filesize
132KB

Download