fc5e6e593a971b4ad6e3025aa044f2097770375e3367946c4104f5d36e565054

Analysis

max time kernel
161s
max time network
165s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
17-04-2024 06:35

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General

Target

fc5e6e593a971b4ad6e3025aa044f2097770375e3367946c4104f5d36e565054.pdf
Size

810KB
MD5

e7e6d2ca16fa2ea33395ff8fb0e0c898
SHA1

27fc77c5c76ef34840ec98d5a28c31438b60b580
SHA256

fc5e6e593a971b4ad6e3025aa044f2097770375e3367946c4104f5d36e565054
SHA512

916af9004d09ee2df67f9d4bb5c6860e9cbc98507044210bf0674e8c17d8025913d28cc3b4cc98c592a486c8d75f816743997dd59d657b83dfd69d64837f5963
SSDEEP

12288:fVF5Zyc7of8fFUi1jIB7vB4Q9uQZuJgY42NAIQgoaRhBmG7DUmDWtgfAAM:5ZD7o0Oi1GJ9uQZuJZtNB1DUmDTzM

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-1-5-21-1230272463-3683322193-511842230-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3348	AcroRd32.exe
3348	AcroRd32.exe
3348	AcroRd32.exe
3348	AcroRd32.exe
3348	AcroRd32.exe
3348	AcroRd32.exe
3348	AcroRd32.exe
3348	AcroRd32.exe
3348	AcroRd32.exe
3348	AcroRd32.exe
3348	AcroRd32.exe
3348	AcroRd32.exe
3348	AcroRd32.exe
3348	AcroRd32.exe
3348	AcroRd32.exe
3348	AcroRd32.exe
3348	AcroRd32.exe
3348	AcroRd32.exe
3348	AcroRd32.exe
3348	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3348	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3348	AcroRd32.exe
3348	AcroRd32.exe
3348	AcroRd32.exe
3348	AcroRd32.exe
3348	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3348 wrote to memory of 636	3348	AcroRd32.exe	97
PID 3348 wrote to memory of 636	3348	AcroRd32.exe	97
PID 3348 wrote to memory of 636	3348	AcroRd32.exe	97
PID 636 wrote to memory of 2028	636	RdrCEF.exe	98
PID 636 wrote to memory of 2028	636	RdrCEF.exe	98
PID 636 wrote to memory of 2028	636	RdrCEF.exe	98
PID 636 wrote to memory of 2028	636	RdrCEF.exe	98
PID 636 wrote to memory of 2028	636	RdrCEF.exe	98
PID 636 wrote to memory of 2028	636	RdrCEF.exe	98
PID 636 wrote to memory of 2028	636	RdrCEF.exe	98
PID 636 wrote to memory of 2028	636	RdrCEF.exe	98
PID 636 wrote to memory of 2028	636	RdrCEF.exe	98
PID 636 wrote to memory of 2028	636	RdrCEF.exe	98
PID 636 wrote to memory of 2028	636	RdrCEF.exe	98
PID 636 wrote to memory of 2028	636	RdrCEF.exe	98
PID 636 wrote to memory of 2028	636	RdrCEF.exe	98
PID 636 wrote to memory of 2028	636	RdrCEF.exe	98
PID 636 wrote to memory of 2028	636	RdrCEF.exe	98
PID 636 wrote to memory of 2028	636	RdrCEF.exe	98
PID 636 wrote to memory of 2028	636	RdrCEF.exe	98
PID 636 wrote to memory of 2028	636	RdrCEF.exe	98
PID 636 wrote to memory of 2028	636	RdrCEF.exe	98
PID 636 wrote to memory of 2028	636	RdrCEF.exe	98
PID 636 wrote to memory of 2028	636	RdrCEF.exe	98
PID 636 wrote to memory of 2028	636	RdrCEF.exe	98
PID 636 wrote to memory of 2028	636	RdrCEF.exe	98
PID 636 wrote to memory of 2028	636	RdrCEF.exe	98
PID 636 wrote to memory of 2028	636	RdrCEF.exe	98
PID 636 wrote to memory of 2028	636	RdrCEF.exe	98
PID 636 wrote to memory of 2028	636	RdrCEF.exe	98
PID 636 wrote to memory of 2028	636	RdrCEF.exe	98
PID 636 wrote to memory of 2028	636	RdrCEF.exe	98
PID 636 wrote to memory of 2028	636	RdrCEF.exe	98
PID 636 wrote to memory of 2028	636	RdrCEF.exe	98
PID 636 wrote to memory of 2028	636	RdrCEF.exe	98
PID 636 wrote to memory of 2028	636	RdrCEF.exe	98
PID 636 wrote to memory of 2028	636	RdrCEF.exe	98
PID 636 wrote to memory of 2028	636	RdrCEF.exe	98
PID 636 wrote to memory of 2028	636	RdrCEF.exe	98
PID 636 wrote to memory of 2028	636	RdrCEF.exe	98
PID 636 wrote to memory of 2028	636	RdrCEF.exe	98
PID 636 wrote to memory of 2028	636	RdrCEF.exe	98
PID 636 wrote to memory of 2028	636	RdrCEF.exe	98
PID 636 wrote to memory of 2028	636	RdrCEF.exe	98
PID 636 wrote to memory of 2836	636	RdrCEF.exe	99
PID 636 wrote to memory of 2836	636	RdrCEF.exe	99
PID 636 wrote to memory of 2836	636	RdrCEF.exe	99
PID 636 wrote to memory of 2836	636	RdrCEF.exe	99
PID 636 wrote to memory of 2836	636	RdrCEF.exe	99
PID 636 wrote to memory of 2836	636	RdrCEF.exe	99
PID 636 wrote to memory of 2836	636	RdrCEF.exe	99
PID 636 wrote to memory of 2836	636	RdrCEF.exe	99
PID 636 wrote to memory of 2836	636	RdrCEF.exe	99
PID 636 wrote to memory of 2836	636	RdrCEF.exe	99
PID 636 wrote to memory of 2836	636	RdrCEF.exe	99
PID 636 wrote to memory of 2836	636	RdrCEF.exe	99
PID 636 wrote to memory of 2836	636	RdrCEF.exe	99
PID 636 wrote to memory of 2836	636	RdrCEF.exe	99
PID 636 wrote to memory of 2836	636	RdrCEF.exe	99
PID 636 wrote to memory of 2836	636	RdrCEF.exe	99
PID 636 wrote to memory of 2836	636	RdrCEF.exe	99
PID 636 wrote to memory of 2836	636	RdrCEF.exe	99
PID 636 wrote to memory of 2836	636	RdrCEF.exe	99
PID 636 wrote to memory of 2836	636	RdrCEF.exe	99

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\fc5e6e593a971b4ad6e3025aa044f2097770375e3367946c4104f5d36e565054.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:3348
- 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:636
- - 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=302C4F049D2A197168220DD2E6E672D0 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2028
- - 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=0FA742BBD24AF37E51A178CDB415071D --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=0FA742BBD24AF37E51A178CDB415071D --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2836
- - 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=149478839409E3C8735D046B9BA22ABA --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4860
- - 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=8C0B6AAE160E4866CF68DC071CE4471E --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=8C0B6AAE160E4866CF68DC071CE4471E --renderer-client-id=5 --mojo-platform-channel-handle=1884 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4204
- - 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=B425191B4C4A9688FD9767ECFF73FF48 --mojo-platform-channel-handle=2664 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4444
- - 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=60052C7A9CE1D4B9790B0F02E987999B --mojo-platform-channel-handle=2412 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4776

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2504

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
fefe8aaa696537f61802b56db0487a1b

SHA1
03c80a18f0a5f878867c334d03926f9d8c18dcc8

SHA256
69947250f8bd21332de272717810fcc45774df0aee803b7c7fefe34dbb978626

SHA512
e1285c6d1fb64c42be5b583b58e8bb8d6a06113090bc49c70b2587150b43ee1ab751f761c784bb845b58b0d4138e7152431f624136ea67e74f75788062ad6da3

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/3348-127-0x000000000AAD0000-0x000000000AD7B000-memory.dmp

Filesize
2.7MB

Download