8526650321efc69492c0946356723db4da42919289b1b297a7524269d461650c

Analysis

max time kernel
141s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
03-02-2024 01:06

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General

Target

8afe341c7d4da7839482e180b27d4aad.pdf
Size

78KB
MD5

8afe341c7d4da7839482e180b27d4aad
SHA1

a71f3135f922c0e54810f895209f5fb86a1c46cb
SHA256

8526650321efc69492c0946356723db4da42919289b1b297a7524269d461650c
SHA512

d1c44bc910718ffdac86ef45af20b21fb695808b8913c0ae7af86d44dee9ee242fd2b895b01ded57c9c06f064df4a7948f680415fca328e4521c786c37452732
SSDEEP

1536:3h1BchuC/ZKFot6u0XA00joGHdbfzD4SXKW//OxYHw2niFKjWUpO9PpoTnQ/7M:xMhuC/A+6fcNzD4eYxZ25e9PaqA

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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
400	AcroRd32.exe
400	AcroRd32.exe
400	AcroRd32.exe
400	AcroRd32.exe
400	AcroRd32.exe
400	AcroRd32.exe
400	AcroRd32.exe
400	AcroRd32.exe
400	AcroRd32.exe
400	AcroRd32.exe
400	AcroRd32.exe
400	AcroRd32.exe
400	AcroRd32.exe
400	AcroRd32.exe
400	AcroRd32.exe
400	AcroRd32.exe
400	AcroRd32.exe
400	AcroRd32.exe
400	AcroRd32.exe
400	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
400	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
400	AcroRd32.exe
400	AcroRd32.exe
400	AcroRd32.exe
400	AcroRd32.exe
400	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 400 wrote to memory of 2328	400	AcroRd32.exe	86
PID 400 wrote to memory of 2328	400	AcroRd32.exe	86
PID 400 wrote to memory of 2328	400	AcroRd32.exe	86
PID 2328 wrote to memory of 4484	2328	RdrCEF.exe	88
PID 2328 wrote to memory of 4484	2328	RdrCEF.exe	88
PID 2328 wrote to memory of 4484	2328	RdrCEF.exe	88
PID 2328 wrote to memory of 4484	2328	RdrCEF.exe	88
PID 2328 wrote to memory of 4484	2328	RdrCEF.exe	88
PID 2328 wrote to memory of 4484	2328	RdrCEF.exe	88
PID 2328 wrote to memory of 4484	2328	RdrCEF.exe	88
PID 2328 wrote to memory of 4484	2328	RdrCEF.exe	88
PID 2328 wrote to memory of 4484	2328	RdrCEF.exe	88
PID 2328 wrote to memory of 4484	2328	RdrCEF.exe	88
PID 2328 wrote to memory of 4484	2328	RdrCEF.exe	88
PID 2328 wrote to memory of 4484	2328	RdrCEF.exe	88
PID 2328 wrote to memory of 4484	2328	RdrCEF.exe	88
PID 2328 wrote to memory of 4484	2328	RdrCEF.exe	88
PID 2328 wrote to memory of 4484	2328	RdrCEF.exe	88
PID 2328 wrote to memory of 4484	2328	RdrCEF.exe	88
PID 2328 wrote to memory of 4484	2328	RdrCEF.exe	88
PID 2328 wrote to memory of 4484	2328	RdrCEF.exe	88
PID 2328 wrote to memory of 4484	2328	RdrCEF.exe	88
PID 2328 wrote to memory of 4484	2328	RdrCEF.exe	88
PID 2328 wrote to memory of 4484	2328	RdrCEF.exe	88
PID 2328 wrote to memory of 4484	2328	RdrCEF.exe	88
PID 2328 wrote to memory of 4484	2328	RdrCEF.exe	88
PID 2328 wrote to memory of 4484	2328	RdrCEF.exe	88
PID 2328 wrote to memory of 4484	2328	RdrCEF.exe	88
PID 2328 wrote to memory of 4484	2328	RdrCEF.exe	88
PID 2328 wrote to memory of 4484	2328	RdrCEF.exe	88
PID 2328 wrote to memory of 4484	2328	RdrCEF.exe	88
PID 2328 wrote to memory of 4484	2328	RdrCEF.exe	88
PID 2328 wrote to memory of 4484	2328	RdrCEF.exe	88
PID 2328 wrote to memory of 4484	2328	RdrCEF.exe	88
PID 2328 wrote to memory of 4484	2328	RdrCEF.exe	88
PID 2328 wrote to memory of 4484	2328	RdrCEF.exe	88
PID 2328 wrote to memory of 4484	2328	RdrCEF.exe	88
PID 2328 wrote to memory of 4484	2328	RdrCEF.exe	88
PID 2328 wrote to memory of 4484	2328	RdrCEF.exe	88
PID 2328 wrote to memory of 4484	2328	RdrCEF.exe	88
PID 2328 wrote to memory of 4484	2328	RdrCEF.exe	88
PID 2328 wrote to memory of 4484	2328	RdrCEF.exe	88
PID 2328 wrote to memory of 4484	2328	RdrCEF.exe	88
PID 2328 wrote to memory of 4484	2328	RdrCEF.exe	88
PID 2328 wrote to memory of 1636	2328	RdrCEF.exe	89
PID 2328 wrote to memory of 1636	2328	RdrCEF.exe	89
PID 2328 wrote to memory of 1636	2328	RdrCEF.exe	89
PID 2328 wrote to memory of 1636	2328	RdrCEF.exe	89
PID 2328 wrote to memory of 1636	2328	RdrCEF.exe	89
PID 2328 wrote to memory of 1636	2328	RdrCEF.exe	89
PID 2328 wrote to memory of 1636	2328	RdrCEF.exe	89
PID 2328 wrote to memory of 1636	2328	RdrCEF.exe	89
PID 2328 wrote to memory of 1636	2328	RdrCEF.exe	89
PID 2328 wrote to memory of 1636	2328	RdrCEF.exe	89
PID 2328 wrote to memory of 1636	2328	RdrCEF.exe	89
PID 2328 wrote to memory of 1636	2328	RdrCEF.exe	89
PID 2328 wrote to memory of 1636	2328	RdrCEF.exe	89
PID 2328 wrote to memory of 1636	2328	RdrCEF.exe	89
PID 2328 wrote to memory of 1636	2328	RdrCEF.exe	89
PID 2328 wrote to memory of 1636	2328	RdrCEF.exe	89
PID 2328 wrote to memory of 1636	2328	RdrCEF.exe	89
PID 2328 wrote to memory of 1636	2328	RdrCEF.exe	89
PID 2328 wrote to memory of 1636	2328	RdrCEF.exe	89
PID 2328 wrote to memory of 1636	2328	RdrCEF.exe	89

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\8afe341c7d4da7839482e180b27d4aad.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:400
- 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:2328
- - 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=EF56968F4544D978CC245DB1C36C4F47 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4484
- - 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=8AD6F9FF5F394974CFE05E433BE5D5D9 --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=8AD6F9FF5F394974CFE05E433BE5D5D9 --renderer-client-id=2 --mojo-platform-channel-handle=1848 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1636
- - 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=254830B510B5B0974470528D9AF5842E --mojo-platform-channel-handle=2172 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3032
- - 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=BEDCB3DB4E4FB5F601C6DE3A2CF7684A --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=BEDCB3DB4E4FB5F601C6DE3A2CF7684A --renderer-client-id=5 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2388
- - 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=84B86A1348FE3618673E360071DBDC14 --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2812
- - 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=21D1BBE4B5501C5DE67978795E24CF54 --mojo-platform-channel-handle=2784 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3852

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
b75e072fb5fd3db6156140a2e1810d8d

SHA1
d766acfa701a7781cb8a930bb5e8a1ff5a7b82d7

SHA256
1fbbcee6c73dc026448ea0ad6dfd33586ee845b992d697100c8eb487b2ac3ee9

SHA512
60fc6dadd9be12be90e76dc2e48495c18998795070ce80f2eec9fab408243d8de34a77225f146fb4451895124f5bc3eb888ad24c32a8b7d13550087a4afa465b

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/400-26-0x000000000B540000-0x000000000B590000-memory.dmp

Filesize
320KB

Download