3cb9f2e8ac60017b888954c1f50f9e82829e394e91e56e305da7b3423727b19d

Analysis

max time kernel
145s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
28/12/2023, 23:03

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General

Target

fea1b03b64d67c051817dd09561a2120.pdf
Size

64KB
MD5

fea1b03b64d67c051817dd09561a2120
SHA1

d9704f36f4fa98576721b23e37f538147d22a630
SHA256

3cb9f2e8ac60017b888954c1f50f9e82829e394e91e56e305da7b3423727b19d
SHA512

ea3792a7f6a72e9dba4859133822c6ef0050120986bd0cb33d317e3bc44751e99b38ce9b2eabc60b4315771f283083b4869d88e3094d8ace1df6b3ae2a37593a
SSDEEP

768:/Of4sJa3AwSI1ZiSeiNEr7uNSlnnByCVUm7A3V75YqPa8w1QSXWv6M/2JSs71:/OfoZ9JNErMuUBVNYqPwQ6M/Wp1

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
440	AcroRd32.exe
440	AcroRd32.exe
440	AcroRd32.exe
440	AcroRd32.exe
440	AcroRd32.exe
440	AcroRd32.exe
440	AcroRd32.exe
440	AcroRd32.exe
440	AcroRd32.exe
440	AcroRd32.exe
440	AcroRd32.exe
440	AcroRd32.exe
440	AcroRd32.exe
440	AcroRd32.exe
440	AcroRd32.exe
440	AcroRd32.exe
440	AcroRd32.exe
440	AcroRd32.exe
440	AcroRd32.exe
440	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
440	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
440	AcroRd32.exe
440	AcroRd32.exe
440	AcroRd32.exe
440	AcroRd32.exe
440	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 440 wrote to memory of 1524	440	AcroRd32.exe	91
PID 440 wrote to memory of 1524	440	AcroRd32.exe	91
PID 440 wrote to memory of 1524	440	AcroRd32.exe	91
PID 440 wrote to memory of 4264	440	AcroRd32.exe	92
PID 440 wrote to memory of 4264	440	AcroRd32.exe	92
PID 440 wrote to memory of 4264	440	AcroRd32.exe	92
PID 1524 wrote to memory of 3260	1524	RdrCEF.exe	93
PID 1524 wrote to memory of 3260	1524	RdrCEF.exe	93
PID 1524 wrote to memory of 3260	1524	RdrCEF.exe	93
PID 1524 wrote to memory of 3260	1524	RdrCEF.exe	93
PID 1524 wrote to memory of 3260	1524	RdrCEF.exe	93
PID 1524 wrote to memory of 3260	1524	RdrCEF.exe	93
PID 1524 wrote to memory of 3260	1524	RdrCEF.exe	93
PID 1524 wrote to memory of 3260	1524	RdrCEF.exe	93
PID 1524 wrote to memory of 3260	1524	RdrCEF.exe	93
PID 1524 wrote to memory of 3260	1524	RdrCEF.exe	93
PID 1524 wrote to memory of 3260	1524	RdrCEF.exe	93
PID 1524 wrote to memory of 3260	1524	RdrCEF.exe	93
PID 1524 wrote to memory of 3260	1524	RdrCEF.exe	93
PID 1524 wrote to memory of 3260	1524	RdrCEF.exe	93
PID 1524 wrote to memory of 3260	1524	RdrCEF.exe	93
PID 1524 wrote to memory of 3260	1524	RdrCEF.exe	93
PID 1524 wrote to memory of 3260	1524	RdrCEF.exe	93
PID 1524 wrote to memory of 3260	1524	RdrCEF.exe	93
PID 1524 wrote to memory of 3260	1524	RdrCEF.exe	93
PID 1524 wrote to memory of 3260	1524	RdrCEF.exe	93
PID 1524 wrote to memory of 3260	1524	RdrCEF.exe	93
PID 1524 wrote to memory of 3260	1524	RdrCEF.exe	93
PID 1524 wrote to memory of 3260	1524	RdrCEF.exe	93
PID 1524 wrote to memory of 3260	1524	RdrCEF.exe	93
PID 1524 wrote to memory of 3260	1524	RdrCEF.exe	93
PID 1524 wrote to memory of 3260	1524	RdrCEF.exe	93
PID 1524 wrote to memory of 3260	1524	RdrCEF.exe	93
PID 1524 wrote to memory of 3260	1524	RdrCEF.exe	93
PID 1524 wrote to memory of 3260	1524	RdrCEF.exe	93
PID 1524 wrote to memory of 3260	1524	RdrCEF.exe	93
PID 1524 wrote to memory of 3260	1524	RdrCEF.exe	93
PID 1524 wrote to memory of 3260	1524	RdrCEF.exe	93
PID 1524 wrote to memory of 3260	1524	RdrCEF.exe	93
PID 1524 wrote to memory of 3260	1524	RdrCEF.exe	93
PID 1524 wrote to memory of 3260	1524	RdrCEF.exe	93
PID 1524 wrote to memory of 3260	1524	RdrCEF.exe	93
PID 1524 wrote to memory of 3260	1524	RdrCEF.exe	93
PID 1524 wrote to memory of 3260	1524	RdrCEF.exe	93
PID 1524 wrote to memory of 3260	1524	RdrCEF.exe	93
PID 1524 wrote to memory of 3260	1524	RdrCEF.exe	93
PID 1524 wrote to memory of 3260	1524	RdrCEF.exe	93
PID 1524 wrote to memory of 2536	1524	RdrCEF.exe	94
PID 1524 wrote to memory of 2536	1524	RdrCEF.exe	94
PID 1524 wrote to memory of 2536	1524	RdrCEF.exe	94
PID 1524 wrote to memory of 2536	1524	RdrCEF.exe	94
PID 1524 wrote to memory of 2536	1524	RdrCEF.exe	94
PID 1524 wrote to memory of 2536	1524	RdrCEF.exe	94
PID 1524 wrote to memory of 2536	1524	RdrCEF.exe	94
PID 1524 wrote to memory of 2536	1524	RdrCEF.exe	94
PID 1524 wrote to memory of 2536	1524	RdrCEF.exe	94
PID 1524 wrote to memory of 2536	1524	RdrCEF.exe	94
PID 1524 wrote to memory of 2536	1524	RdrCEF.exe	94
PID 1524 wrote to memory of 2536	1524	RdrCEF.exe	94
PID 1524 wrote to memory of 2536	1524	RdrCEF.exe	94
PID 1524 wrote to memory of 2536	1524	RdrCEF.exe	94
PID 1524 wrote to memory of 2536	1524	RdrCEF.exe	94
PID 1524 wrote to memory of 2536	1524	RdrCEF.exe	94
PID 1524 wrote to memory of 2536	1524	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\fea1b03b64d67c051817dd09561a2120.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:440
- 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:1524
- - 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=0D131E95661EE3223506460A086DBAB7 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3260
- - 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=91CB8737A3A4F9B6CA240F2DCFB73D6A --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=91CB8737A3A4F9B6CA240F2DCFB73D6A --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2536
- - 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=5727D9F7D06DD43E031BAC2AC7E332A8 --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=5727D9F7D06DD43E031BAC2AC7E332A8 --renderer-client-id=4 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4900
- - 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=8EE72762708E5A194D8015B87EBB38CB --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3220
- - 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=C0CBFDC05E5ED66E8A69F4C7622B1344 --mojo-platform-channel-handle=2596 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2024
- - 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=1A1AD8E25EE47F518D0B4BD5635136ED --mojo-platform-channel-handle=1720 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4476
- 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⤵
  PID:4264

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2748

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
682942a4601b4e4c4afe06493f2ea309

SHA1
33bb41b6615220f2b9b74f1e3fa46d49987d2b61

SHA256
5cde19945473ea78f1d3aff51723e48dfb89d1d9b44c1df007863fe12c80aae3

SHA512
458b80c2821a6ee1683211c3b90704e62019ec4fdc0f8be1a4e37c916497636a576bff704e12d73e3ffcf572fd8b9e0ff7ce1e5ccfc9b3bb0cc1abcbd7b0a187

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