5b56cba137c7d1d2681e2b150cd616e25bc53a1d8280a1b9540b8481b0f8f03a

General

Target

20210830114627.pdf
Size

85KB
MD5

ac516cb245b63db3e80e58918b2df6b6
SHA1

296a86f9d2fb27cc3c8b9fafeb90f7ea5a7567fe
SHA256

5b56cba137c7d1d2681e2b150cd616e25bc53a1d8280a1b9540b8481b0f8f03a
SHA512

462c9e0424f396b1eb7ae6d67bb0e2e5453254e181e904ab7eb1edab6eabf8297239ea2b341ca3202da4c36e0601ca46eaa9c6a32e404862b34136f8d7f03309
SSDEEP

1536:LVRnhjI2U/IjsIfNT1YNaeRXYffC2dZW9c1c0pAgrWcpOm9Wcy80sCRn9:BRhCIj7fQrRXYf62dZWS1c0GgqmQDsC9

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

Processes:

AcroRd32.exe

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

Processes:

AcroRd32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

AcroRd32.exe

pid	process
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

AcroRd32.exe

pid process

4768 AcroRd32.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

AcroRd32.exe

pid process

4768 AcroRd32.exe
4768 AcroRd32.exe
4768 AcroRd32.exe
4768 AcroRd32.exe
4768 AcroRd32.exe
4768 AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

AcroRd32.exeRdrCEF.exe

description	pid	process	target process
PID 4768 wrote to memory of 4036	4768	AcroRd32.exe	RdrCEF.exe
PID 4768 wrote to memory of 4036	4768	AcroRd32.exe	RdrCEF.exe
PID 4768 wrote to memory of 4036	4768	AcroRd32.exe	RdrCEF.exe
PID 4036 wrote to memory of 2428	4036	RdrCEF.exe	RdrCEF.exe
PID 4036 wrote to memory of 2428	4036	RdrCEF.exe	RdrCEF.exe
PID 4036 wrote to memory of 2428	4036	RdrCEF.exe	RdrCEF.exe
PID 4036 wrote to memory of 2428	4036	RdrCEF.exe	RdrCEF.exe
PID 4036 wrote to memory of 2428	4036	RdrCEF.exe	RdrCEF.exe
PID 4036 wrote to memory of 2428	4036	RdrCEF.exe	RdrCEF.exe
PID 4036 wrote to memory of 2428	4036	RdrCEF.exe	RdrCEF.exe
PID 4036 wrote to memory of 2428	4036	RdrCEF.exe	RdrCEF.exe
PID 4036 wrote to memory of 2428	4036	RdrCEF.exe	RdrCEF.exe
PID 4036 wrote to memory of 2428	4036	RdrCEF.exe	RdrCEF.exe
PID 4036 wrote to memory of 2428	4036	RdrCEF.exe	RdrCEF.exe
PID 4036 wrote to memory of 2428	4036	RdrCEF.exe	RdrCEF.exe
PID 4036 wrote to memory of 2428	4036	RdrCEF.exe	RdrCEF.exe
PID 4036 wrote to memory of 2428	4036	RdrCEF.exe	RdrCEF.exe
PID 4036 wrote to memory of 2428	4036	RdrCEF.exe	RdrCEF.exe
PID 4036 wrote to memory of 2428	4036	RdrCEF.exe	RdrCEF.exe
PID 4036 wrote to memory of 2428	4036	RdrCEF.exe	RdrCEF.exe
PID 4036 wrote to memory of 2428	4036	RdrCEF.exe	RdrCEF.exe
PID 4036 wrote to memory of 2428	4036	RdrCEF.exe	RdrCEF.exe
PID 4036 wrote to memory of 2428	4036	RdrCEF.exe	RdrCEF.exe
PID 4036 wrote to memory of 2428	4036	RdrCEF.exe	RdrCEF.exe
PID 4036 wrote to memory of 2428	4036	RdrCEF.exe	RdrCEF.exe
PID 4036 wrote to memory of 2428	4036	RdrCEF.exe	RdrCEF.exe
PID 4036 wrote to memory of 2428	4036	RdrCEF.exe	RdrCEF.exe
PID 4036 wrote to memory of 2428	4036	RdrCEF.exe	RdrCEF.exe
PID 4036 wrote to memory of 2428	4036	RdrCEF.exe	RdrCEF.exe
PID 4036 wrote to memory of 2428	4036	RdrCEF.exe	RdrCEF.exe
PID 4036 wrote to memory of 2428	4036	RdrCEF.exe	RdrCEF.exe
PID 4036 wrote to memory of 2428	4036	RdrCEF.exe	RdrCEF.exe
PID 4036 wrote to memory of 2428	4036	RdrCEF.exe	RdrCEF.exe
PID 4036 wrote to memory of 2428	4036	RdrCEF.exe	RdrCEF.exe
PID 4036 wrote to memory of 2428	4036	RdrCEF.exe	RdrCEF.exe
PID 4036 wrote to memory of 2428	4036	RdrCEF.exe	RdrCEF.exe
PID 4036 wrote to memory of 2428	4036	RdrCEF.exe	RdrCEF.exe
PID 4036 wrote to memory of 2428	4036	RdrCEF.exe	RdrCEF.exe
PID 4036 wrote to memory of 2428	4036	RdrCEF.exe	RdrCEF.exe
PID 4036 wrote to memory of 2428	4036	RdrCEF.exe	RdrCEF.exe
PID 4036 wrote to memory of 2428	4036	RdrCEF.exe	RdrCEF.exe
PID 4036 wrote to memory of 2428	4036	RdrCEF.exe	RdrCEF.exe
PID 4036 wrote to memory of 2428	4036	RdrCEF.exe	RdrCEF.exe
PID 4036 wrote to memory of 2428	4036	RdrCEF.exe	RdrCEF.exe
PID 4036 wrote to memory of 1124	4036	RdrCEF.exe	RdrCEF.exe
PID 4036 wrote to memory of 1124	4036	RdrCEF.exe	RdrCEF.exe
PID 4036 wrote to memory of 1124	4036	RdrCEF.exe	RdrCEF.exe
PID 4036 wrote to memory of 1124	4036	RdrCEF.exe	RdrCEF.exe
PID 4036 wrote to memory of 1124	4036	RdrCEF.exe	RdrCEF.exe
PID 4036 wrote to memory of 1124	4036	RdrCEF.exe	RdrCEF.exe
PID 4036 wrote to memory of 1124	4036	RdrCEF.exe	RdrCEF.exe
PID 4036 wrote to memory of 1124	4036	RdrCEF.exe	RdrCEF.exe
PID 4036 wrote to memory of 1124	4036	RdrCEF.exe	RdrCEF.exe
PID 4036 wrote to memory of 1124	4036	RdrCEF.exe	RdrCEF.exe
PID 4036 wrote to memory of 1124	4036	RdrCEF.exe	RdrCEF.exe
PID 4036 wrote to memory of 1124	4036	RdrCEF.exe	RdrCEF.exe
PID 4036 wrote to memory of 1124	4036	RdrCEF.exe	RdrCEF.exe
PID 4036 wrote to memory of 1124	4036	RdrCEF.exe	RdrCEF.exe
PID 4036 wrote to memory of 1124	4036	RdrCEF.exe	RdrCEF.exe
PID 4036 wrote to memory of 1124	4036	RdrCEF.exe	RdrCEF.exe
PID 4036 wrote to memory of 1124	4036	RdrCEF.exe	RdrCEF.exe
PID 4036 wrote to memory of 1124	4036	RdrCEF.exe	RdrCEF.exe
PID 4036 wrote to memory of 1124	4036	RdrCEF.exe	RdrCEF.exe
PID 4036 wrote to memory of 1124	4036	RdrCEF.exe	RdrCEF.exe

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\20210830114627.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:4768
- 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:4036
- - 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=0A715BDDFA99FFFBCD64412D827E54F1 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2428
- - 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=4BA2B6C0A8BD7A34275232D8A22A4CA1 --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=1 --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=4BA2B6C0A8BD7A34275232D8A22A4CA1 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1124
- - 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=C3DA7FD3708C701982539433C6378453 --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=1 --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=C3DA7FD3708C701982539433C6378453 --renderer-client-id=4 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4764
- - 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=AE1C072358E6651E8DC20222DA92CF13 --mojo-platform-channel-handle=2560 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4456
- - 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=51530CB537AEA47245E99A61C5FD39DC --mojo-platform-channel-handle=1952 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1172
- - 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=B1A480917C03625E73A7C2D3D2A31B52 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4888

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:752

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1124-137-0x0000000000000000-mapping.dmp

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memory/1172-150-0x0000000000000000-mapping.dmp

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memory/2428-134-0x0000000000000000-mapping.dmp

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memory/4036-132-0x0000000000000000-mapping.dmp

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memory/4456-147-0x0000000000000000-mapping.dmp

Download
memory/4764-142-0x0000000000000000-mapping.dmp

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memory/4888-153-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads