63699f110d67d40de755d52a36db89730a57c999ee20b930074e4152da1ba86a

Analysis

max time kernel
165s
max time network
171s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
01/01/2024, 01:47

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General

Target

3b954bc874ca07a4ff47f0995625d46a.pdf
Size

89KB
MD5

3b954bc874ca07a4ff47f0995625d46a
SHA1

01f0748b67b20a86778f5726c8ae88e51826e459
SHA256

63699f110d67d40de755d52a36db89730a57c999ee20b930074e4152da1ba86a
SHA512

0db4d7c85e9129161e7296f918b7377f05b077b8e79fd30d297584bf3b49d08b9931b13db1a27a6bbbf75e2a08983ba9ad1cdc9710d89ff7e4c7a14fedcd5cb9
SSDEEP

1536:5IiQI2gzzeNK97AtxuUfvlfEYui0lxmXEJo8gP/0n9PWSpY6rJ0qYOfTWUpO7i5x:tQdUxeYgNfEYui0jm5//0n9y60qYOfGs

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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4420	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4420 wrote to memory of 2248	4420	AcroRd32.exe	91
PID 4420 wrote to memory of 2248	4420	AcroRd32.exe	91
PID 4420 wrote to memory of 2248	4420	AcroRd32.exe	91
PID 2248 wrote to memory of 3320	2248	RdrCEF.exe	92
PID 2248 wrote to memory of 3320	2248	RdrCEF.exe	92
PID 2248 wrote to memory of 3320	2248	RdrCEF.exe	92
PID 2248 wrote to memory of 3320	2248	RdrCEF.exe	92
PID 2248 wrote to memory of 3320	2248	RdrCEF.exe	92
PID 2248 wrote to memory of 3320	2248	RdrCEF.exe	92
PID 2248 wrote to memory of 3320	2248	RdrCEF.exe	92
PID 2248 wrote to memory of 3320	2248	RdrCEF.exe	92
PID 2248 wrote to memory of 3320	2248	RdrCEF.exe	92
PID 2248 wrote to memory of 3320	2248	RdrCEF.exe	92
PID 2248 wrote to memory of 3320	2248	RdrCEF.exe	92
PID 2248 wrote to memory of 3320	2248	RdrCEF.exe	92
PID 2248 wrote to memory of 3320	2248	RdrCEF.exe	92
PID 2248 wrote to memory of 3320	2248	RdrCEF.exe	92
PID 2248 wrote to memory of 3320	2248	RdrCEF.exe	92
PID 2248 wrote to memory of 3320	2248	RdrCEF.exe	92
PID 2248 wrote to memory of 3320	2248	RdrCEF.exe	92
PID 2248 wrote to memory of 3320	2248	RdrCEF.exe	92
PID 2248 wrote to memory of 3320	2248	RdrCEF.exe	92
PID 2248 wrote to memory of 3320	2248	RdrCEF.exe	92
PID 2248 wrote to memory of 3320	2248	RdrCEF.exe	92
PID 2248 wrote to memory of 3320	2248	RdrCEF.exe	92
PID 2248 wrote to memory of 3320	2248	RdrCEF.exe	92
PID 2248 wrote to memory of 3320	2248	RdrCEF.exe	92
PID 2248 wrote to memory of 3320	2248	RdrCEF.exe	92
PID 2248 wrote to memory of 3320	2248	RdrCEF.exe	92
PID 2248 wrote to memory of 3320	2248	RdrCEF.exe	92
PID 2248 wrote to memory of 3320	2248	RdrCEF.exe	92
PID 2248 wrote to memory of 3320	2248	RdrCEF.exe	92
PID 2248 wrote to memory of 3320	2248	RdrCEF.exe	92
PID 2248 wrote to memory of 3320	2248	RdrCEF.exe	92
PID 2248 wrote to memory of 3320	2248	RdrCEF.exe	92
PID 2248 wrote to memory of 3320	2248	RdrCEF.exe	92
PID 2248 wrote to memory of 3320	2248	RdrCEF.exe	92
PID 2248 wrote to memory of 3320	2248	RdrCEF.exe	92
PID 2248 wrote to memory of 3320	2248	RdrCEF.exe	92
PID 2248 wrote to memory of 3320	2248	RdrCEF.exe	92
PID 2248 wrote to memory of 3320	2248	RdrCEF.exe	92
PID 2248 wrote to memory of 3320	2248	RdrCEF.exe	92
PID 2248 wrote to memory of 3320	2248	RdrCEF.exe	92
PID 2248 wrote to memory of 3320	2248	RdrCEF.exe	92
PID 2248 wrote to memory of 2768	2248	RdrCEF.exe	93
PID 2248 wrote to memory of 2768	2248	RdrCEF.exe	93
PID 2248 wrote to memory of 2768	2248	RdrCEF.exe	93
PID 2248 wrote to memory of 2768	2248	RdrCEF.exe	93
PID 2248 wrote to memory of 2768	2248	RdrCEF.exe	93
PID 2248 wrote to memory of 2768	2248	RdrCEF.exe	93
PID 2248 wrote to memory of 2768	2248	RdrCEF.exe	93
PID 2248 wrote to memory of 2768	2248	RdrCEF.exe	93
PID 2248 wrote to memory of 2768	2248	RdrCEF.exe	93
PID 2248 wrote to memory of 2768	2248	RdrCEF.exe	93
PID 2248 wrote to memory of 2768	2248	RdrCEF.exe	93
PID 2248 wrote to memory of 2768	2248	RdrCEF.exe	93
PID 2248 wrote to memory of 2768	2248	RdrCEF.exe	93
PID 2248 wrote to memory of 2768	2248	RdrCEF.exe	93
PID 2248 wrote to memory of 2768	2248	RdrCEF.exe	93
PID 2248 wrote to memory of 2768	2248	RdrCEF.exe	93
PID 2248 wrote to memory of 2768	2248	RdrCEF.exe	93
PID 2248 wrote to memory of 2768	2248	RdrCEF.exe	93
PID 2248 wrote to memory of 2768	2248	RdrCEF.exe	93
PID 2248 wrote to memory of 2768	2248	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\3b954bc874ca07a4ff47f0995625d46a.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:4420
- 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:2248
- - 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=E1C36956AC7BE96E848D94074242C221 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3320
- - 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=393F5C857FFDC3DC64797613C2FF8D5E --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=393F5C857FFDC3DC64797613C2FF8D5E --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2768
- - 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=2D74042A081DF9234F176F68E0DE264C --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4496
- - 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=4D9F8FAB101588C508A701129252B1DE --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=4D9F8FAB101588C508A701129252B1DE --renderer-client-id=5 --mojo-platform-channel-handle=2408 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1672
- - 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=862982B9A84A4DF80F844496AF3439AA --mojo-platform-channel-handle=2552 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3764
- - 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=D9C99037B3B19160845F85A6FD29F43C --mojo-platform-channel-handle=2560 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3432

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2252

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
8982aa0c08913cfb7973f717d6de90bb

SHA1
93f65c507c09c60b6b49fc811b136786a696cb13

SHA256
2f40ea8f25570029424d5c06706ede4438fc7803880643247210872ce4c639c7

SHA512
1a6f65f06f388026329a7a75adb30cb8f463221f3aa53d25868457cea31162353f4a9611b7661d8a0db52f5282f5cf1d06ef8396827df509e0be903f79f18482

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/4420-26-0x000000000B8D0000-0x000000000B920000-memory.dmp

Filesize
320KB

Download