ba650b3eb1bb71748b14d81f85860206b43ecc3315d946a0f5ebf1f7a0cf042b

Analysis

max time kernel
150s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
13-03-2024 10:29

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General

Target

c5a4b5f6d8b81e8b8e55c78fde3a8be4.pdf
Size

163KB
MD5

c5a4b5f6d8b81e8b8e55c78fde3a8be4
SHA1

9e3a0b2ea8e14d289a650520c974d32081310520
SHA256

ba650b3eb1bb71748b14d81f85860206b43ecc3315d946a0f5ebf1f7a0cf042b
SHA512

5b383381d3909ac69fa1bd3652b13015b4f43afb888ccaea04b432eb30c957eea6f9613e488f08e413447e3c951e0557bf497078aadafdaceee545cf8f8e255b
SSDEEP

3072:V+fw5qkJyzJJv5jK2XWKiiJQrztIyRPnNnKjIkaPRzePn0gF70qzPPEN45Xf9jPc:Vf5quyzj5m+WSKzttRvFpdPR+9F7kIa

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-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3032	AcroRd32.exe
3032	AcroRd32.exe
3032	AcroRd32.exe
3032	AcroRd32.exe
3032	AcroRd32.exe
3032	AcroRd32.exe
3032	AcroRd32.exe
3032	AcroRd32.exe
3032	AcroRd32.exe
3032	AcroRd32.exe
3032	AcroRd32.exe
3032	AcroRd32.exe
3032	AcroRd32.exe
3032	AcroRd32.exe
3032	AcroRd32.exe
3032	AcroRd32.exe
3032	AcroRd32.exe
3032	AcroRd32.exe
3032	AcroRd32.exe
3032	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3032	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3032	AcroRd32.exe
3032	AcroRd32.exe
3032	AcroRd32.exe
3032	AcroRd32.exe
3032	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3032 wrote to memory of 4196	3032	AcroRd32.exe	91
PID 3032 wrote to memory of 4196	3032	AcroRd32.exe	91
PID 3032 wrote to memory of 4196	3032	AcroRd32.exe	91
PID 4196 wrote to memory of 768	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 768	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 768	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 768	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 768	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 768	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 768	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 768	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 768	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 768	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 768	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 768	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 768	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 768	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 768	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 768	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 768	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 768	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 768	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 768	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 768	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 768	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 768	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 768	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 768	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 768	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 768	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 768	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 768	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 768	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 768	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 768	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 768	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 768	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 768	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 768	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 768	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 768	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 768	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 768	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 768	4196	RdrCEF.exe	92
PID 4196 wrote to memory of 1596	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 1596	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 1596	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 1596	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 1596	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 1596	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 1596	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 1596	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 1596	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 1596	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 1596	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 1596	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 1596	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 1596	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 1596	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 1596	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 1596	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 1596	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 1596	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 1596	4196	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\c5a4b5f6d8b81e8b8e55c78fde3a8be4.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: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" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4196
- - 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=382C4B8A77A18488A2E28189AC65653B --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:768
- - 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=4B2E139A8A0726313B33EBEEE39EAA69 --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=4B2E139A8A0726313B33EBEEE39EAA69 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1596
- - 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=512F4E76CE9552598E3156F1508EE789 --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=512F4E76CE9552598E3156F1508EE789 --renderer-client-id=4 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:552
- - 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=958FB6DA57CB2AC9F193AB95E48155E3 --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2496
- - 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=A7AD27BE08CC9DE81CF9531177F15AFE --mojo-platform-channel-handle=1956 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4140
- - 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=4545A521F1453F0193B876FBDC3DA6A4 --mojo-platform-channel-handle=1932 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4124

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2448

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
8301abe63df456ce3519f74b027a1519

SHA1
efd3436ec9a6e832c36b15e1b63cf41fd906e547

SHA256
018eb551b6ac287918306db630968e0e5ce8fa26a09a049cbe929fa358967525

SHA512
a522e83dd9eec22630aa8abdc298489942d89a796a7212acfad4124797b1e92d81c83fca2d6bbe42b2c4cecb8c794c381055b577ac22b4366b7cb0dc41ba4b2e

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