c0d471801af2a12ff3a330b3161b54ae0d3687766bac906d125d1be67fdf19f8

Analysis

max time kernel
157s
max time network
166s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2023 11:36

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General

Target

174aa2c4b7a5b28bbb3e95eab914bd07.pdf
Size

84KB
MD5

174aa2c4b7a5b28bbb3e95eab914bd07
SHA1

7df6c83ac3c8a44cbfe88637bb3f8dfb23e3864c
SHA256

c0d471801af2a12ff3a330b3161b54ae0d3687766bac906d125d1be67fdf19f8
SHA512

d1ddd88b6c419c14e0ce7ec5839de4fa2855f5478b78a3f7fffa7b88e3eb2aad649940c4586e55b746359749357c1538c83b8921513913a0a1376032362166dd
SSDEEP

1536:Sl1C3gSjnZYNlqzddzTXqErw42hdr7VaWNxTPaEpwRpSWyDjfckpKcWXpO/aJL:A1C3dTZYNorzTXqmn2hdrRDxTyEwpsDC

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
2204	AcroRd32.exe
2204	AcroRd32.exe
2204	AcroRd32.exe
2204	AcroRd32.exe
2204	AcroRd32.exe
2204	AcroRd32.exe
2204	AcroRd32.exe
2204	AcroRd32.exe
2204	AcroRd32.exe
2204	AcroRd32.exe
2204	AcroRd32.exe
2204	AcroRd32.exe
2204	AcroRd32.exe
2204	AcroRd32.exe
2204	AcroRd32.exe
2204	AcroRd32.exe
2204	AcroRd32.exe
2204	AcroRd32.exe
2204	AcroRd32.exe
2204	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2204	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2204	AcroRd32.exe
2204	AcroRd32.exe
2204	AcroRd32.exe
2204	AcroRd32.exe
2204	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2204 wrote to memory of 2740	2204	AcroRd32.exe	91
PID 2204 wrote to memory of 2740	2204	AcroRd32.exe	91
PID 2204 wrote to memory of 2740	2204	AcroRd32.exe	91
PID 2740 wrote to memory of 2264	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 2264	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 2264	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 2264	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 2264	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 2264	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 2264	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 2264	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 2264	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 2264	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 2264	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 2264	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 2264	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 2264	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 2264	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 2264	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 2264	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 2264	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 2264	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 2264	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 2264	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 2264	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 2264	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 2264	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 2264	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 2264	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 2264	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 2264	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 2264	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 2264	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 2264	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 2264	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 2264	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 2264	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 2264	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 2264	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 2264	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 2264	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 2264	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 2264	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 2264	2740	RdrCEF.exe	92
PID 2740 wrote to memory of 5024	2740	RdrCEF.exe	93
PID 2740 wrote to memory of 5024	2740	RdrCEF.exe	93
PID 2740 wrote to memory of 5024	2740	RdrCEF.exe	93
PID 2740 wrote to memory of 5024	2740	RdrCEF.exe	93
PID 2740 wrote to memory of 5024	2740	RdrCEF.exe	93
PID 2740 wrote to memory of 5024	2740	RdrCEF.exe	93
PID 2740 wrote to memory of 5024	2740	RdrCEF.exe	93
PID 2740 wrote to memory of 5024	2740	RdrCEF.exe	93
PID 2740 wrote to memory of 5024	2740	RdrCEF.exe	93
PID 2740 wrote to memory of 5024	2740	RdrCEF.exe	93
PID 2740 wrote to memory of 5024	2740	RdrCEF.exe	93
PID 2740 wrote to memory of 5024	2740	RdrCEF.exe	93
PID 2740 wrote to memory of 5024	2740	RdrCEF.exe	93
PID 2740 wrote to memory of 5024	2740	RdrCEF.exe	93
PID 2740 wrote to memory of 5024	2740	RdrCEF.exe	93
PID 2740 wrote to memory of 5024	2740	RdrCEF.exe	93
PID 2740 wrote to memory of 5024	2740	RdrCEF.exe	93
PID 2740 wrote to memory of 5024	2740	RdrCEF.exe	93
PID 2740 wrote to memory of 5024	2740	RdrCEF.exe	93
PID 2740 wrote to memory of 5024	2740	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\174aa2c4b7a5b28bbb3e95eab914bd07.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:2204
- 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:2740
- - 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=E929E6DE2BAFDA5870553DE658055EE9 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2264
- - 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=0487F991EB21EFEC0D963863B0923592 --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=0487F991EB21EFEC0D963863B0923592 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5024
- - 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=8FA9744CA5B53C5DD20EC2C86EACD07F --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=8FA9744CA5B53C5DD20EC2C86EACD07F --renderer-client-id=4 --mojo-platform-channel-handle=2192 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2612
- - 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=D3F84A26D69ED728AC356A0D8D62668E --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3456
- - 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=B34E3FC13CBBA58B16006CD12CA4EB96 --mojo-platform-channel-handle=2668 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2012
- - 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=78D80AA4D12FC3FC4FC1DA5001CD68DE --mojo-platform-channel-handle=2020 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1920

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
2529716be348308f3f024bf2fe79bd2f

SHA1
47f298e593813361069b386a9f2cf1fb4fb890ba

SHA256
9482410c7ea987a215a83d8d305c0ca957aad1167ee8c4d55487cbec6fe550d4

SHA512
8ec74ade56dfa997bf4984afd93407f7a768be678603de3d5b5ac8843c4dca1ac29c716d472b07cba2454dad529df348d9709d6b5ac8a476af92e46e6620dbd2

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/2204-28-0x000000000B020000-0x000000000B041000-memory.dmp

Filesize
132KB

Download