61539d568fb7cc3c370999b6425f72a1451d6521babaf44f2ba586320fba21b4

Analysis

max time kernel
160s
max time network
176s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
08/03/2024, 12:55

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General

Target

libtiff.pdf
Size

7KB
MD5

b7e55723833ab0d5ab525f1568f1cfea
SHA1

8dfb970c65bae917621834bf935ce8e0bf291b5d
SHA256

f51511934988ad532fbdf63b38acbcfb9d731fa9073a3b310ff60b49262bbb80
SHA512

25be8531c1120ea05d905a3aad08551d5b19034dc662156c3f16d8f5f0703795e8c539f884984addaf6a09ebfa5d9b8512301d88792923347bbc01ff356f9ea8
SSDEEP

96:9nLl5O8XSW5t+YVnKEGqQyVnKZFk1edO4wjFfCnhhRcXqBtZ3CCA4v62KxRB:9nLPO8CWS4nEbGny+f++Xq3vvLKxRB

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-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3804	AcroRd32.exe
3804	AcroRd32.exe
3804	AcroRd32.exe
3804	AcroRd32.exe
3804	AcroRd32.exe
3804	AcroRd32.exe
3804	AcroRd32.exe
3804	AcroRd32.exe
3804	AcroRd32.exe
3804	AcroRd32.exe
3804	AcroRd32.exe
3804	AcroRd32.exe
3804	AcroRd32.exe
3804	AcroRd32.exe
3804	AcroRd32.exe
3804	AcroRd32.exe
3804	AcroRd32.exe
3804	AcroRd32.exe
3804	AcroRd32.exe
3804	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3804	AcroRd32.exe
3804	AcroRd32.exe
3804	AcroRd32.exe
3804	AcroRd32.exe
3804	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3804 wrote to memory of 828	3804	AcroRd32.exe	89
PID 3804 wrote to memory of 828	3804	AcroRd32.exe	89
PID 3804 wrote to memory of 828	3804	AcroRd32.exe	89
PID 828 wrote to memory of 3428	828	RdrCEF.exe	92
PID 828 wrote to memory of 3428	828	RdrCEF.exe	92
PID 828 wrote to memory of 3428	828	RdrCEF.exe	92
PID 828 wrote to memory of 3428	828	RdrCEF.exe	92
PID 828 wrote to memory of 3428	828	RdrCEF.exe	92
PID 828 wrote to memory of 3428	828	RdrCEF.exe	92
PID 828 wrote to memory of 3428	828	RdrCEF.exe	92
PID 828 wrote to memory of 3428	828	RdrCEF.exe	92
PID 828 wrote to memory of 3428	828	RdrCEF.exe	92
PID 828 wrote to memory of 3428	828	RdrCEF.exe	92
PID 828 wrote to memory of 3428	828	RdrCEF.exe	92
PID 828 wrote to memory of 3428	828	RdrCEF.exe	92
PID 828 wrote to memory of 3428	828	RdrCEF.exe	92
PID 828 wrote to memory of 3428	828	RdrCEF.exe	92
PID 828 wrote to memory of 3428	828	RdrCEF.exe	92
PID 828 wrote to memory of 3428	828	RdrCEF.exe	92
PID 828 wrote to memory of 3428	828	RdrCEF.exe	92
PID 828 wrote to memory of 3428	828	RdrCEF.exe	92
PID 828 wrote to memory of 3428	828	RdrCEF.exe	92
PID 828 wrote to memory of 3428	828	RdrCEF.exe	92
PID 828 wrote to memory of 3428	828	RdrCEF.exe	92
PID 828 wrote to memory of 3428	828	RdrCEF.exe	92
PID 828 wrote to memory of 3428	828	RdrCEF.exe	92
PID 828 wrote to memory of 3428	828	RdrCEF.exe	92
PID 828 wrote to memory of 3428	828	RdrCEF.exe	92
PID 828 wrote to memory of 3428	828	RdrCEF.exe	92
PID 828 wrote to memory of 3428	828	RdrCEF.exe	92
PID 828 wrote to memory of 3428	828	RdrCEF.exe	92
PID 828 wrote to memory of 3428	828	RdrCEF.exe	92
PID 828 wrote to memory of 3428	828	RdrCEF.exe	92
PID 828 wrote to memory of 3428	828	RdrCEF.exe	92
PID 828 wrote to memory of 3428	828	RdrCEF.exe	92
PID 828 wrote to memory of 3428	828	RdrCEF.exe	92
PID 828 wrote to memory of 3428	828	RdrCEF.exe	92
PID 828 wrote to memory of 3428	828	RdrCEF.exe	92
PID 828 wrote to memory of 3428	828	RdrCEF.exe	92
PID 828 wrote to memory of 3428	828	RdrCEF.exe	92
PID 828 wrote to memory of 3428	828	RdrCEF.exe	92
PID 828 wrote to memory of 3428	828	RdrCEF.exe	92
PID 828 wrote to memory of 3428	828	RdrCEF.exe	92
PID 828 wrote to memory of 3428	828	RdrCEF.exe	92
PID 828 wrote to memory of 2760	828	RdrCEF.exe	93
PID 828 wrote to memory of 2760	828	RdrCEF.exe	93
PID 828 wrote to memory of 2760	828	RdrCEF.exe	93
PID 828 wrote to memory of 2760	828	RdrCEF.exe	93
PID 828 wrote to memory of 2760	828	RdrCEF.exe	93
PID 828 wrote to memory of 2760	828	RdrCEF.exe	93
PID 828 wrote to memory of 2760	828	RdrCEF.exe	93
PID 828 wrote to memory of 2760	828	RdrCEF.exe	93
PID 828 wrote to memory of 2760	828	RdrCEF.exe	93
PID 828 wrote to memory of 2760	828	RdrCEF.exe	93
PID 828 wrote to memory of 2760	828	RdrCEF.exe	93
PID 828 wrote to memory of 2760	828	RdrCEF.exe	93
PID 828 wrote to memory of 2760	828	RdrCEF.exe	93
PID 828 wrote to memory of 2760	828	RdrCEF.exe	93
PID 828 wrote to memory of 2760	828	RdrCEF.exe	93
PID 828 wrote to memory of 2760	828	RdrCEF.exe	93
PID 828 wrote to memory of 2760	828	RdrCEF.exe	93
PID 828 wrote to memory of 2760	828	RdrCEF.exe	93
PID 828 wrote to memory of 2760	828	RdrCEF.exe	93
PID 828 wrote to memory of 2760	828	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\libtiff.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3804
- 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:828
- - 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=1F9292759369CB2197FF26660A54DC2D --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3428
- - 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=D5149B1A8CCFDD3BC9BF8BFB60D9D7B4 --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=D5149B1A8CCFDD3BC9BF8BFB60D9D7B4 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2760
- - 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=4B83940D6DF5286E92C2D0C755439CB2 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:940
- - 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=C62C7E9FAFACF458DCAABEED5DCC0A60 --mojo-platform-channel-handle=1952 --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=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=A78763B3AB01A5D9E0406B1DE4F12F01 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2336

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3168

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
1e5983a74e2bc738f3587925254371b1

SHA1
eaee3380d1acd85feee72690cc571bee5026349e

SHA256
5d2fdd143d635696de41e4d10a67455850c38862a8cd0634e87b2612579a8077

SHA512
4d65086b25fb324c5c8b0ddab814183a37cc8038a75730e922c0c3fcc3c8d2d3f4ff020df622a4e21a42acba317b500fd431b7094a566435f85fcfa57bf927e3

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