37688857c616fa43ec53c95d61c76af74cf0f7313213adb2dae2f775f624e7f1

Analysis

max time kernel
141s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
25-02-2024 11:32

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General

Target

a3ac86ee7e4a87ed7287e4f1df784193.pdf
Size

36KB
MD5

a3ac86ee7e4a87ed7287e4f1df784193
SHA1

571ccae490bf2383d9fcf9f70b76fe9fa8d26109
SHA256

37688857c616fa43ec53c95d61c76af74cf0f7313213adb2dae2f775f624e7f1
SHA512

02405a60b1dca4cb8e84c894da17af9c6ab919010e23007768c80f79b345ec634905e68bcce1952579b7b6ec35439fa25dd3464266ec031fa0c8e5be67101b57
SSDEEP

768:gZNHceBbiZ7u/ZccVIQHNhPgNmmGrhykI+QwmzBrjrJFWND12ctQPOBG:wN8e50mv0YmGrn2wmzxJFW113wOQ

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-1-5-21-2132103209-3755304320-2959162027-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4496	AcroRd32.exe
4496	AcroRd32.exe
4496	AcroRd32.exe
4496	AcroRd32.exe
4496	AcroRd32.exe
4496	AcroRd32.exe
4496	AcroRd32.exe
4496	AcroRd32.exe
4496	AcroRd32.exe
4496	AcroRd32.exe
4496	AcroRd32.exe
4496	AcroRd32.exe
4496	AcroRd32.exe
4496	AcroRd32.exe
4496	AcroRd32.exe
4496	AcroRd32.exe
4496	AcroRd32.exe
4496	AcroRd32.exe
4496	AcroRd32.exe
4496	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4496	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4496	AcroRd32.exe
4496	AcroRd32.exe
4496	AcroRd32.exe
4496	AcroRd32.exe
4496	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4496 wrote to memory of 3520	4496	AcroRd32.exe	91
PID 4496 wrote to memory of 3520	4496	AcroRd32.exe	91
PID 4496 wrote to memory of 3520	4496	AcroRd32.exe	91
PID 3520 wrote to memory of 3816	3520	RdrCEF.exe	92
PID 3520 wrote to memory of 3816	3520	RdrCEF.exe	92
PID 3520 wrote to memory of 3816	3520	RdrCEF.exe	92
PID 3520 wrote to memory of 3816	3520	RdrCEF.exe	92
PID 3520 wrote to memory of 3816	3520	RdrCEF.exe	92
PID 3520 wrote to memory of 3816	3520	RdrCEF.exe	92
PID 3520 wrote to memory of 3816	3520	RdrCEF.exe	92
PID 3520 wrote to memory of 3816	3520	RdrCEF.exe	92
PID 3520 wrote to memory of 3816	3520	RdrCEF.exe	92
PID 3520 wrote to memory of 3816	3520	RdrCEF.exe	92
PID 3520 wrote to memory of 3816	3520	RdrCEF.exe	92
PID 3520 wrote to memory of 3816	3520	RdrCEF.exe	92
PID 3520 wrote to memory of 3816	3520	RdrCEF.exe	92
PID 3520 wrote to memory of 3816	3520	RdrCEF.exe	92
PID 3520 wrote to memory of 3816	3520	RdrCEF.exe	92
PID 3520 wrote to memory of 3816	3520	RdrCEF.exe	92
PID 3520 wrote to memory of 3816	3520	RdrCEF.exe	92
PID 3520 wrote to memory of 3816	3520	RdrCEF.exe	92
PID 3520 wrote to memory of 3816	3520	RdrCEF.exe	92
PID 3520 wrote to memory of 3816	3520	RdrCEF.exe	92
PID 3520 wrote to memory of 3816	3520	RdrCEF.exe	92
PID 3520 wrote to memory of 3816	3520	RdrCEF.exe	92
PID 3520 wrote to memory of 3816	3520	RdrCEF.exe	92
PID 3520 wrote to memory of 3816	3520	RdrCEF.exe	92
PID 3520 wrote to memory of 3816	3520	RdrCEF.exe	92
PID 3520 wrote to memory of 3816	3520	RdrCEF.exe	92
PID 3520 wrote to memory of 3816	3520	RdrCEF.exe	92
PID 3520 wrote to memory of 3816	3520	RdrCEF.exe	92
PID 3520 wrote to memory of 3816	3520	RdrCEF.exe	92
PID 3520 wrote to memory of 3816	3520	RdrCEF.exe	92
PID 3520 wrote to memory of 3816	3520	RdrCEF.exe	92
PID 3520 wrote to memory of 3816	3520	RdrCEF.exe	92
PID 3520 wrote to memory of 3816	3520	RdrCEF.exe	92
PID 3520 wrote to memory of 3816	3520	RdrCEF.exe	92
PID 3520 wrote to memory of 3816	3520	RdrCEF.exe	92
PID 3520 wrote to memory of 3816	3520	RdrCEF.exe	92
PID 3520 wrote to memory of 3816	3520	RdrCEF.exe	92
PID 3520 wrote to memory of 3816	3520	RdrCEF.exe	92
PID 3520 wrote to memory of 3816	3520	RdrCEF.exe	92
PID 3520 wrote to memory of 3816	3520	RdrCEF.exe	92
PID 3520 wrote to memory of 3816	3520	RdrCEF.exe	92
PID 3520 wrote to memory of 3448	3520	RdrCEF.exe	93
PID 3520 wrote to memory of 3448	3520	RdrCEF.exe	93
PID 3520 wrote to memory of 3448	3520	RdrCEF.exe	93
PID 3520 wrote to memory of 3448	3520	RdrCEF.exe	93
PID 3520 wrote to memory of 3448	3520	RdrCEF.exe	93
PID 3520 wrote to memory of 3448	3520	RdrCEF.exe	93
PID 3520 wrote to memory of 3448	3520	RdrCEF.exe	93
PID 3520 wrote to memory of 3448	3520	RdrCEF.exe	93
PID 3520 wrote to memory of 3448	3520	RdrCEF.exe	93
PID 3520 wrote to memory of 3448	3520	RdrCEF.exe	93
PID 3520 wrote to memory of 3448	3520	RdrCEF.exe	93
PID 3520 wrote to memory of 3448	3520	RdrCEF.exe	93
PID 3520 wrote to memory of 3448	3520	RdrCEF.exe	93
PID 3520 wrote to memory of 3448	3520	RdrCEF.exe	93
PID 3520 wrote to memory of 3448	3520	RdrCEF.exe	93
PID 3520 wrote to memory of 3448	3520	RdrCEF.exe	93
PID 3520 wrote to memory of 3448	3520	RdrCEF.exe	93
PID 3520 wrote to memory of 3448	3520	RdrCEF.exe	93
PID 3520 wrote to memory of 3448	3520	RdrCEF.exe	93
PID 3520 wrote to memory of 3448	3520	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\a3ac86ee7e4a87ed7287e4f1df784193.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: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" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3520
- - 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=3BCE69403C80990BDFE4CA98B41ED83E --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3816
- - 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=9F168FE817C7A46C3968F4043807936B --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=9F168FE817C7A46C3968F4043807936B --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3448
- - 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=84595B4EFDEF7AE46150F98A3EE04C6F --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1384
- - 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=C7F241AD699A96E969D3E6C45F69F696 --mojo-platform-channel-handle=1904 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2744
- - 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=C2EDB66D678389F90E2555FEC0A1A2A9 --mojo-platform-channel-handle=2428 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4720
- - 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=676775C4D89694FA814B313DD61DAE0B --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=676775C4D89694FA814B313DD61DAE0B --renderer-client-id=7 --mojo-platform-channel-handle=2340 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3320

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2196

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
0ac5ea0fc3c1574866021a9d9d8fed24

SHA1
a75bf80e11194a0876327a900d9f2edffc2f6868

SHA256
aa9133ec30bbc03b375ed6f736ca713ec214cea82d8ffe361523ff5e429d8c38

SHA512
9388c0891a01e53595dc65356ddf764f3824d0320e127517afbc117665a6b667e7f98185a5cd04d503914141d0b171139927fe1a7481f4e9a06ec2436eed66f6

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