ebd360ca42a2e75f55f4de56dd5fa0f8fe876e95eb0546d060c93f5d0082628a

Analysis

max time kernel
141s
max time network
134s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
06/03/2024, 16:18

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General

Target

b7d628fcf3c9d043f069f44cebdaa342.pdf
Size

124KB
MD5

b7d628fcf3c9d043f069f44cebdaa342
SHA1

980c3eb69cf5ea352479de6e4c18438979949939
SHA256

ebd360ca42a2e75f55f4de56dd5fa0f8fe876e95eb0546d060c93f5d0082628a
SHA512

dc6f237bea1679870ac53f9501ce08480a69afa3a81c5a1e619da06cd7bf0fe7203eb95c8f1f1ba37273da749bedb36f58b94a38c46e4f337aaceb446d1e8598
SSDEEP

3072:T6Z405xHmg5JXIws8vKD7dlam4PbjEHVitK3Ac:T6FxHfCP17dl54Pbjo

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-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4128	AcroRd32.exe
4128	AcroRd32.exe
4128	AcroRd32.exe
4128	AcroRd32.exe
4128	AcroRd32.exe
4128	AcroRd32.exe
4128	AcroRd32.exe
4128	AcroRd32.exe
4128	AcroRd32.exe
4128	AcroRd32.exe
4128	AcroRd32.exe
4128	AcroRd32.exe
4128	AcroRd32.exe
4128	AcroRd32.exe
4128	AcroRd32.exe
4128	AcroRd32.exe
4128	AcroRd32.exe
4128	AcroRd32.exe
4128	AcroRd32.exe
4128	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4128	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4128	AcroRd32.exe
4128	AcroRd32.exe
4128	AcroRd32.exe
4128	AcroRd32.exe
4128	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4128 wrote to memory of 4800	4128	AcroRd32.exe	92
PID 4128 wrote to memory of 4800	4128	AcroRd32.exe	92
PID 4128 wrote to memory of 4800	4128	AcroRd32.exe	92
PID 4800 wrote to memory of 3620	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 3620	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 3620	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 3620	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 3620	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 3620	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 3620	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 3620	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 3620	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 3620	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 3620	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 3620	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 3620	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 3620	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 3620	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 3620	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 3620	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 3620	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 3620	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 3620	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 3620	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 3620	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 3620	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 3620	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 3620	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 3620	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 3620	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 3620	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 3620	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 3620	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 3620	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 3620	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 3620	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 3620	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 3620	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 3620	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 3620	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 3620	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 3620	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 3620	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 3620	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 968	4800	RdrCEF.exe	94
PID 4800 wrote to memory of 968	4800	RdrCEF.exe	94
PID 4800 wrote to memory of 968	4800	RdrCEF.exe	94
PID 4800 wrote to memory of 968	4800	RdrCEF.exe	94
PID 4800 wrote to memory of 968	4800	RdrCEF.exe	94
PID 4800 wrote to memory of 968	4800	RdrCEF.exe	94
PID 4800 wrote to memory of 968	4800	RdrCEF.exe	94
PID 4800 wrote to memory of 968	4800	RdrCEF.exe	94
PID 4800 wrote to memory of 968	4800	RdrCEF.exe	94
PID 4800 wrote to memory of 968	4800	RdrCEF.exe	94
PID 4800 wrote to memory of 968	4800	RdrCEF.exe	94
PID 4800 wrote to memory of 968	4800	RdrCEF.exe	94
PID 4800 wrote to memory of 968	4800	RdrCEF.exe	94
PID 4800 wrote to memory of 968	4800	RdrCEF.exe	94
PID 4800 wrote to memory of 968	4800	RdrCEF.exe	94
PID 4800 wrote to memory of 968	4800	RdrCEF.exe	94
PID 4800 wrote to memory of 968	4800	RdrCEF.exe	94
PID 4800 wrote to memory of 968	4800	RdrCEF.exe	94
PID 4800 wrote to memory of 968	4800	RdrCEF.exe	94
PID 4800 wrote to memory of 968	4800	RdrCEF.exe	94

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\b7d628fcf3c9d043f069f44cebdaa342.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:4128
- 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:4800
- - 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=43B4793F7A5E3B54FBD259CAEAE2BA3A --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3620
- - 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=89A0FEC94ACAEFF54E2929E35544FFD1 --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=89A0FEC94ACAEFF54E2929E35544FFD1 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:968
- - 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=2CE9BA99DFA95AB613577E2905054E45 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2340
- - 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=052380D8AB52854BECC6A7965506E278 --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=052380D8AB52854BECC6A7965506E278 --renderer-client-id=5 --mojo-platform-channel-handle=2420 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2852
- - 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=F1EC09F1AE6A012D8FC0E4E6CB8174F8 --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5044
- - 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=A47AFDB76CEA7B73ED1DF2D56A81AA85 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4560

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2756

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
5ac27c4d0db833dc2d94ac397f59cfca

SHA1
c2b667f0f2284505b1647a252913ad02138c9d1e

SHA256
4283e80f7bd1205cc0ead32e7d8f134f37aaf87af648ea3503138ab5965a042f

SHA512
e72464f297fbdcd19c8f86b335605f63b95746435bf6045db2bab336b9cb442ec5012ba6d11c6a46805327d360083edb3fa3ce7de2a1cb6b8d361c46c87f9103

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/4128-27-0x000000000E230000-0x000000000E251000-memory.dmp

Filesize
132KB

Download