d657b5e64493854e9ec8f0ba695349560d60d3c0d48721659cf838290281e904

Analysis

max time kernel
141s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2023, 20:37

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General

Target

3bcfb9050e4b5d5cd055144102572f25.pdf
Size

81KB
MD5

3bcfb9050e4b5d5cd055144102572f25
SHA1

9c849a7ea3a77a546f547b1c5fc3d75379f4a76b
SHA256

d657b5e64493854e9ec8f0ba695349560d60d3c0d48721659cf838290281e904
SHA512

a0da211057f67ea69e33198db36c0cd718717bce0dae0b6cd06517a938962ad17ac4ae91632630898e0e35f45c3b864b9c1f7e0ef32dc5a604b013d7f037caf2
SSDEEP

1536:jaIc8aXwspBnCqgRJXQsnx7lEqdY6MOdiWYpO2+WavwyEFmoDcza/3/1b:LRaAYKR5QsxZNdUOT2ewZdDcKN

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2380	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 3988	2380	AcroRd32.exe	91
PID 2380 wrote to memory of 3988	2380	AcroRd32.exe	91
PID 2380 wrote to memory of 3988	2380	AcroRd32.exe	91
PID 3988 wrote to memory of 2108	3988	RdrCEF.exe	92
PID 3988 wrote to memory of 2108	3988	RdrCEF.exe	92
PID 3988 wrote to memory of 2108	3988	RdrCEF.exe	92
PID 3988 wrote to memory of 2108	3988	RdrCEF.exe	92
PID 3988 wrote to memory of 2108	3988	RdrCEF.exe	92
PID 3988 wrote to memory of 2108	3988	RdrCEF.exe	92
PID 3988 wrote to memory of 2108	3988	RdrCEF.exe	92
PID 3988 wrote to memory of 2108	3988	RdrCEF.exe	92
PID 3988 wrote to memory of 2108	3988	RdrCEF.exe	92
PID 3988 wrote to memory of 2108	3988	RdrCEF.exe	92
PID 3988 wrote to memory of 2108	3988	RdrCEF.exe	92
PID 3988 wrote to memory of 2108	3988	RdrCEF.exe	92
PID 3988 wrote to memory of 2108	3988	RdrCEF.exe	92
PID 3988 wrote to memory of 2108	3988	RdrCEF.exe	92
PID 3988 wrote to memory of 2108	3988	RdrCEF.exe	92
PID 3988 wrote to memory of 2108	3988	RdrCEF.exe	92
PID 3988 wrote to memory of 2108	3988	RdrCEF.exe	92
PID 3988 wrote to memory of 2108	3988	RdrCEF.exe	92
PID 3988 wrote to memory of 2108	3988	RdrCEF.exe	92
PID 3988 wrote to memory of 2108	3988	RdrCEF.exe	92
PID 3988 wrote to memory of 2108	3988	RdrCEF.exe	92
PID 3988 wrote to memory of 2108	3988	RdrCEF.exe	92
PID 3988 wrote to memory of 2108	3988	RdrCEF.exe	92
PID 3988 wrote to memory of 2108	3988	RdrCEF.exe	92
PID 3988 wrote to memory of 2108	3988	RdrCEF.exe	92
PID 3988 wrote to memory of 2108	3988	RdrCEF.exe	92
PID 3988 wrote to memory of 2108	3988	RdrCEF.exe	92
PID 3988 wrote to memory of 2108	3988	RdrCEF.exe	92
PID 3988 wrote to memory of 2108	3988	RdrCEF.exe	92
PID 3988 wrote to memory of 2108	3988	RdrCEF.exe	92
PID 3988 wrote to memory of 2108	3988	RdrCEF.exe	92
PID 3988 wrote to memory of 2108	3988	RdrCEF.exe	92
PID 3988 wrote to memory of 2108	3988	RdrCEF.exe	92
PID 3988 wrote to memory of 2108	3988	RdrCEF.exe	92
PID 3988 wrote to memory of 2108	3988	RdrCEF.exe	92
PID 3988 wrote to memory of 2108	3988	RdrCEF.exe	92
PID 3988 wrote to memory of 2108	3988	RdrCEF.exe	92
PID 3988 wrote to memory of 2108	3988	RdrCEF.exe	92
PID 3988 wrote to memory of 2108	3988	RdrCEF.exe	92
PID 3988 wrote to memory of 2108	3988	RdrCEF.exe	92
PID 3988 wrote to memory of 2108	3988	RdrCEF.exe	92
PID 3988 wrote to memory of 3440	3988	RdrCEF.exe	93
PID 3988 wrote to memory of 3440	3988	RdrCEF.exe	93
PID 3988 wrote to memory of 3440	3988	RdrCEF.exe	93
PID 3988 wrote to memory of 3440	3988	RdrCEF.exe	93
PID 3988 wrote to memory of 3440	3988	RdrCEF.exe	93
PID 3988 wrote to memory of 3440	3988	RdrCEF.exe	93
PID 3988 wrote to memory of 3440	3988	RdrCEF.exe	93
PID 3988 wrote to memory of 3440	3988	RdrCEF.exe	93
PID 3988 wrote to memory of 3440	3988	RdrCEF.exe	93
PID 3988 wrote to memory of 3440	3988	RdrCEF.exe	93
PID 3988 wrote to memory of 3440	3988	RdrCEF.exe	93
PID 3988 wrote to memory of 3440	3988	RdrCEF.exe	93
PID 3988 wrote to memory of 3440	3988	RdrCEF.exe	93
PID 3988 wrote to memory of 3440	3988	RdrCEF.exe	93
PID 3988 wrote to memory of 3440	3988	RdrCEF.exe	93
PID 3988 wrote to memory of 3440	3988	RdrCEF.exe	93
PID 3988 wrote to memory of 3440	3988	RdrCEF.exe	93
PID 3988 wrote to memory of 3440	3988	RdrCEF.exe	93
PID 3988 wrote to memory of 3440	3988	RdrCEF.exe	93
PID 3988 wrote to memory of 3440	3988	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\3bcfb9050e4b5d5cd055144102572f25.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:2380
- 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:3988
- - 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=1C108B97F610F8B9775212BE1EA93462 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2108
- - 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=FDD1C8B8C93543E0A76FCB2BA6BCDE90 --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=FDD1C8B8C93543E0A76FCB2BA6BCDE90 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3440
- - 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=8DC588CD3862DCFD9A6B706FFD23229E --mojo-platform-channel-handle=2292 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5016
- - 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=2D9F6094CA2A45676A5DD66735B401FE --mojo-platform-channel-handle=1828 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1940
- - 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=7D533EF8EA613633D99E578889381017 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4652
- - 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=06BBB7C859457F3796EE30843C4D9D89 --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=06BBB7C859457F3796EE30843C4D9D89 --renderer-client-id=7 --mojo-platform-channel-handle=2524 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4508

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
ce2b7f61613e8371edba7a5e565e87c8

SHA1
d1718346ba7d36e65103aa505eae69e770097005

SHA256
480300c7a9cac12ef15a6ee8f2911645fbf4a30d3e07d0b24757f2da0c8611a2

SHA512
14a8158cb801a00b2ee49ae24a0239ec1eff7115fbacd2e2517300a06a9090d509b33322bc518cd3ee6e2ee3084d95c7b2a5ae8fcb8bc224dc091901545c9d5f

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