98b5e4431fa33d218e36b968b071d5fb63d5e69aa363fc9f21c6fda95fe0197d

Analysis

max time kernel
163s
max time network
169s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 00:24

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General

Target

219983c6d11e251535c34e7cdf44220c.pdf
Size

93KB
MD5

219983c6d11e251535c34e7cdf44220c
SHA1

6f10e4eebff5a9e94fb743320f92b9ab2e2f74b1
SHA256

98b5e4431fa33d218e36b968b071d5fb63d5e69aa363fc9f21c6fda95fe0197d
SHA512

295439c5fc79a8df45beae8935e91bf390cb62de3aff6e624040787236d2ec221dcf1b6db538641be7ad63fc9a364a804b4ca8f1f2c3d04b387005f9d2685b7f
SSDEEP

1536:MTKEI5Q9WcSIDGrLGzc4+izCG/BRHqvlV87da2p+WApO6eWvFHYK/khd:MKEIiW3PGz5+gRHuV87VF6dF4K/s

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
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2208	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2208 wrote to memory of 2400	2208	AcroRd32.exe	94
PID 2208 wrote to memory of 2400	2208	AcroRd32.exe	94
PID 2208 wrote to memory of 2400	2208	AcroRd32.exe	94
PID 2400 wrote to memory of 4036	2400	RdrCEF.exe	97
PID 2400 wrote to memory of 4036	2400	RdrCEF.exe	97
PID 2400 wrote to memory of 4036	2400	RdrCEF.exe	97
PID 2400 wrote to memory of 4036	2400	RdrCEF.exe	97
PID 2400 wrote to memory of 4036	2400	RdrCEF.exe	97
PID 2400 wrote to memory of 4036	2400	RdrCEF.exe	97
PID 2400 wrote to memory of 4036	2400	RdrCEF.exe	97
PID 2400 wrote to memory of 4036	2400	RdrCEF.exe	97
PID 2400 wrote to memory of 4036	2400	RdrCEF.exe	97
PID 2400 wrote to memory of 4036	2400	RdrCEF.exe	97
PID 2400 wrote to memory of 4036	2400	RdrCEF.exe	97
PID 2400 wrote to memory of 4036	2400	RdrCEF.exe	97
PID 2400 wrote to memory of 4036	2400	RdrCEF.exe	97
PID 2400 wrote to memory of 4036	2400	RdrCEF.exe	97
PID 2400 wrote to memory of 4036	2400	RdrCEF.exe	97
PID 2400 wrote to memory of 4036	2400	RdrCEF.exe	97
PID 2400 wrote to memory of 4036	2400	RdrCEF.exe	97
PID 2400 wrote to memory of 4036	2400	RdrCEF.exe	97
PID 2400 wrote to memory of 4036	2400	RdrCEF.exe	97
PID 2400 wrote to memory of 4036	2400	RdrCEF.exe	97
PID 2400 wrote to memory of 4036	2400	RdrCEF.exe	97
PID 2400 wrote to memory of 4036	2400	RdrCEF.exe	97
PID 2400 wrote to memory of 4036	2400	RdrCEF.exe	97
PID 2400 wrote to memory of 4036	2400	RdrCEF.exe	97
PID 2400 wrote to memory of 4036	2400	RdrCEF.exe	97
PID 2400 wrote to memory of 4036	2400	RdrCEF.exe	97
PID 2400 wrote to memory of 4036	2400	RdrCEF.exe	97
PID 2400 wrote to memory of 4036	2400	RdrCEF.exe	97
PID 2400 wrote to memory of 4036	2400	RdrCEF.exe	97
PID 2400 wrote to memory of 4036	2400	RdrCEF.exe	97
PID 2400 wrote to memory of 4036	2400	RdrCEF.exe	97
PID 2400 wrote to memory of 4036	2400	RdrCEF.exe	97
PID 2400 wrote to memory of 4036	2400	RdrCEF.exe	97
PID 2400 wrote to memory of 4036	2400	RdrCEF.exe	97
PID 2400 wrote to memory of 4036	2400	RdrCEF.exe	97
PID 2400 wrote to memory of 4036	2400	RdrCEF.exe	97
PID 2400 wrote to memory of 4036	2400	RdrCEF.exe	97
PID 2400 wrote to memory of 4036	2400	RdrCEF.exe	97
PID 2400 wrote to memory of 4036	2400	RdrCEF.exe	97
PID 2400 wrote to memory of 4036	2400	RdrCEF.exe	97
PID 2400 wrote to memory of 4036	2400	RdrCEF.exe	97
PID 2400 wrote to memory of 892	2400	RdrCEF.exe	98
PID 2400 wrote to memory of 892	2400	RdrCEF.exe	98
PID 2400 wrote to memory of 892	2400	RdrCEF.exe	98
PID 2400 wrote to memory of 892	2400	RdrCEF.exe	98
PID 2400 wrote to memory of 892	2400	RdrCEF.exe	98
PID 2400 wrote to memory of 892	2400	RdrCEF.exe	98
PID 2400 wrote to memory of 892	2400	RdrCEF.exe	98
PID 2400 wrote to memory of 892	2400	RdrCEF.exe	98
PID 2400 wrote to memory of 892	2400	RdrCEF.exe	98
PID 2400 wrote to memory of 892	2400	RdrCEF.exe	98
PID 2400 wrote to memory of 892	2400	RdrCEF.exe	98
PID 2400 wrote to memory of 892	2400	RdrCEF.exe	98
PID 2400 wrote to memory of 892	2400	RdrCEF.exe	98
PID 2400 wrote to memory of 892	2400	RdrCEF.exe	98
PID 2400 wrote to memory of 892	2400	RdrCEF.exe	98
PID 2400 wrote to memory of 892	2400	RdrCEF.exe	98
PID 2400 wrote to memory of 892	2400	RdrCEF.exe	98
PID 2400 wrote to memory of 892	2400	RdrCEF.exe	98
PID 2400 wrote to memory of 892	2400	RdrCEF.exe	98
PID 2400 wrote to memory of 892	2400	RdrCEF.exe	98

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\219983c6d11e251535c34e7cdf44220c.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:2208
- 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:2400
- - 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=99AD6959FE0B1046E382913E0116E171 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4036
- - 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=07CD383E6FB23B36188823DDD9AF4F43 --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=07CD383E6FB23B36188823DDD9AF4F43 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:892
- - 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=D1CDCC5359AD2413400B4F8DD0ABF399 --mojo-platform-channel-handle=2348 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1020
- - 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=385D192E302E009A8DEFD5DEC34B8352 --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=385D192E302E009A8DEFD5DEC34B8352 --renderer-client-id=4 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1492
- - 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=3FF0A0E12BFC018EA8068E3B7E3D39AF --mojo-platform-channel-handle=2584 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4452
- - 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=474BF5C4F0AFC506F1E3D1F0A73CE635 --mojo-platform-channel-handle=2720 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3292

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3708

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
60f6e484a434c21fa7efecb448ebc3cf

SHA1
ca2cedbf7cbe836db0ea7d86d84285d00eeded9f

SHA256
622afa98a876bcc56ac0beaa5e7bab8e20581cc5d52d06dab2b889be3c96135d

SHA512
dec99aa3457e78635b2a1e0f31a989f3fcccbd577f8c07247d46108e36b71696b7e0f90deaa1e859d62d8c675974011dfe959940119dd75662868aba179ba84c

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