6f89b263acbf9dddb1bab3ca541b2af6de6c74c260f394bf59c80086ee6c8b0d

Analysis

max time kernel
141s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
27-02-2024 15:30

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General

Target

a980deaa57e9f898cfc615cb8448b989.pdf
Size

34KB
MD5

a980deaa57e9f898cfc615cb8448b989
SHA1

b6218bb58744b12e2973376c3464745a669593ef
SHA256

6f89b263acbf9dddb1bab3ca541b2af6de6c74c260f394bf59c80086ee6c8b0d
SHA512

2b044beb717bc7c606e3905588ce0c9aa3f02a313074071acadf3c495e671fbdcac82034955adba5ba5d19cb1c3ba8b731f031f1bb0eed2839da709f48cdc5f4
SSDEEP

768:imhqFBAQWZsBV5Gxfa0rPyh49b9JvwUP4Kj7+csbSxRGt:iSqkQIH049b99HPX+/bSbGt

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-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2136	AcroRd32.exe
2136	AcroRd32.exe
2136	AcroRd32.exe
2136	AcroRd32.exe
2136	AcroRd32.exe
2136	AcroRd32.exe
2136	AcroRd32.exe
2136	AcroRd32.exe
2136	AcroRd32.exe
2136	AcroRd32.exe
2136	AcroRd32.exe
2136	AcroRd32.exe
2136	AcroRd32.exe
2136	AcroRd32.exe
2136	AcroRd32.exe
2136	AcroRd32.exe
2136	AcroRd32.exe
2136	AcroRd32.exe
2136	AcroRd32.exe
2136	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2136	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2136	AcroRd32.exe
2136	AcroRd32.exe
2136	AcroRd32.exe
2136	AcroRd32.exe
2136	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2136 wrote to memory of 636	2136	AcroRd32.exe	92
PID 2136 wrote to memory of 636	2136	AcroRd32.exe	92
PID 2136 wrote to memory of 636	2136	AcroRd32.exe	92
PID 636 wrote to memory of 4700	636	RdrCEF.exe	93
PID 636 wrote to memory of 4700	636	RdrCEF.exe	93
PID 636 wrote to memory of 4700	636	RdrCEF.exe	93
PID 636 wrote to memory of 4700	636	RdrCEF.exe	93
PID 636 wrote to memory of 4700	636	RdrCEF.exe	93
PID 636 wrote to memory of 4700	636	RdrCEF.exe	93
PID 636 wrote to memory of 4700	636	RdrCEF.exe	93
PID 636 wrote to memory of 4700	636	RdrCEF.exe	93
PID 636 wrote to memory of 4700	636	RdrCEF.exe	93
PID 636 wrote to memory of 4700	636	RdrCEF.exe	93
PID 636 wrote to memory of 4700	636	RdrCEF.exe	93
PID 636 wrote to memory of 4700	636	RdrCEF.exe	93
PID 636 wrote to memory of 4700	636	RdrCEF.exe	93
PID 636 wrote to memory of 4700	636	RdrCEF.exe	93
PID 636 wrote to memory of 4700	636	RdrCEF.exe	93
PID 636 wrote to memory of 4700	636	RdrCEF.exe	93
PID 636 wrote to memory of 4700	636	RdrCEF.exe	93
PID 636 wrote to memory of 4700	636	RdrCEF.exe	93
PID 636 wrote to memory of 4700	636	RdrCEF.exe	93
PID 636 wrote to memory of 4700	636	RdrCEF.exe	93
PID 636 wrote to memory of 4700	636	RdrCEF.exe	93
PID 636 wrote to memory of 4700	636	RdrCEF.exe	93
PID 636 wrote to memory of 4700	636	RdrCEF.exe	93
PID 636 wrote to memory of 4700	636	RdrCEF.exe	93
PID 636 wrote to memory of 4700	636	RdrCEF.exe	93
PID 636 wrote to memory of 4700	636	RdrCEF.exe	93
PID 636 wrote to memory of 4700	636	RdrCEF.exe	93
PID 636 wrote to memory of 4700	636	RdrCEF.exe	93
PID 636 wrote to memory of 4700	636	RdrCEF.exe	93
PID 636 wrote to memory of 4700	636	RdrCEF.exe	93
PID 636 wrote to memory of 4700	636	RdrCEF.exe	93
PID 636 wrote to memory of 4700	636	RdrCEF.exe	93
PID 636 wrote to memory of 4700	636	RdrCEF.exe	93
PID 636 wrote to memory of 4700	636	RdrCEF.exe	93
PID 636 wrote to memory of 4700	636	RdrCEF.exe	93
PID 636 wrote to memory of 4700	636	RdrCEF.exe	93
PID 636 wrote to memory of 4700	636	RdrCEF.exe	93
PID 636 wrote to memory of 4700	636	RdrCEF.exe	93
PID 636 wrote to memory of 4700	636	RdrCEF.exe	93
PID 636 wrote to memory of 4700	636	RdrCEF.exe	93
PID 636 wrote to memory of 4700	636	RdrCEF.exe	93
PID 636 wrote to memory of 4876	636	RdrCEF.exe	94
PID 636 wrote to memory of 4876	636	RdrCEF.exe	94
PID 636 wrote to memory of 4876	636	RdrCEF.exe	94
PID 636 wrote to memory of 4876	636	RdrCEF.exe	94
PID 636 wrote to memory of 4876	636	RdrCEF.exe	94
PID 636 wrote to memory of 4876	636	RdrCEF.exe	94
PID 636 wrote to memory of 4876	636	RdrCEF.exe	94
PID 636 wrote to memory of 4876	636	RdrCEF.exe	94
PID 636 wrote to memory of 4876	636	RdrCEF.exe	94
PID 636 wrote to memory of 4876	636	RdrCEF.exe	94
PID 636 wrote to memory of 4876	636	RdrCEF.exe	94
PID 636 wrote to memory of 4876	636	RdrCEF.exe	94
PID 636 wrote to memory of 4876	636	RdrCEF.exe	94
PID 636 wrote to memory of 4876	636	RdrCEF.exe	94
PID 636 wrote to memory of 4876	636	RdrCEF.exe	94
PID 636 wrote to memory of 4876	636	RdrCEF.exe	94
PID 636 wrote to memory of 4876	636	RdrCEF.exe	94
PID 636 wrote to memory of 4876	636	RdrCEF.exe	94
PID 636 wrote to memory of 4876	636	RdrCEF.exe	94
PID 636 wrote to memory of 4876	636	RdrCEF.exe	94

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\a980deaa57e9f898cfc615cb8448b989.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:2136
- 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:636
- - 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=7BBDD1EED0688DFCFCBECA6B1786962C --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4700
- - 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=E63B7CC9B5A8B0E8F860714F80E8FAE6 --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=E63B7CC9B5A8B0E8F860714F80E8FAE6 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4876
- - 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=7AAE7F41A15211C6B08B9DF8514F5278 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2164
- - 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=84A2953E1C01E3C59CAA881C921869BE --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5008
- - 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=821903E91EEFAE640342DEEBB9FC4499 --mojo-platform-channel-handle=1720 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2544
- - 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=DC559B0796FFAB9081DD3773665AAABB --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=DC559B0796FFAB9081DD3773665AAABB --renderer-client-id=7 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4264

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3464

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
1e5a6c0f9e726d12ca3eeefe7b0db8a0

SHA1
fe73af70b82d23b234c1f3b46fdafb76dbf4f815

SHA256
5f83dfdb965635318987d7a7d14897605f9adf48efceb1e71b17dc30eb18c0bb

SHA512
3ace5673f4e966283edea028738cd695296aa20fb805b7763dc2416daae63c7b085a1a1331432ff783b1fc36fabd8bfa708fea2508b859f9c5acfcea138a3aa0

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/2136-26-0x000000000A290000-0x000000000A2E0000-memory.dmp

Filesize
320KB

Download