a4455ec35b8a73aa174524677171d20224075660888b2cfbc80190b90193463e

Analysis

max time kernel
91s
max time network
129s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
01/02/2023, 16:00

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General

Target

PDF-DOC30012023001.pdf
Size

52KB
MD5

fbf30ec7e7203263126e7d780ab2320f
SHA1

b13ef3ac52f6ac021d59e0b5e07b566f288df15e
SHA256

a4455ec35b8a73aa174524677171d20224075660888b2cfbc80190b90193463e
SHA512

5e41e7adf172516cf9e91e465c182c581ffd16764e2dcdec823ec2b9b0666f8e2bbe3963fa200087d862ebefc61dd38629bcfcb3fb2d9b4d44aa3e4df1737846
SSDEEP

1536:GGVHP3Xb9PJ9ZovublyOml1URdkihzHa2yCgq:GGt35R0ubl5mlWR3VHqq

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-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2248	AcroRd32.exe
2248	AcroRd32.exe
2248	AcroRd32.exe
2248	AcroRd32.exe
2248	AcroRd32.exe
2248	AcroRd32.exe
2248	AcroRd32.exe
2248	AcroRd32.exe
2248	AcroRd32.exe
2248	AcroRd32.exe
2248	AcroRd32.exe
2248	AcroRd32.exe
2248	AcroRd32.exe
2248	AcroRd32.exe
2248	AcroRd32.exe
2248	AcroRd32.exe
2248	AcroRd32.exe
2248	AcroRd32.exe
2248	AcroRd32.exe
2248	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2248	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2248	AcroRd32.exe
2248	AcroRd32.exe
2248	AcroRd32.exe
2248	AcroRd32.exe
2248	AcroRd32.exe
2248	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2248 wrote to memory of 1312	2248	AcroRd32.exe	79
PID 2248 wrote to memory of 1312	2248	AcroRd32.exe	79
PID 2248 wrote to memory of 1312	2248	AcroRd32.exe	79
PID 1312 wrote to memory of 1080	1312	RdrCEF.exe	82
PID 1312 wrote to memory of 1080	1312	RdrCEF.exe	82
PID 1312 wrote to memory of 1080	1312	RdrCEF.exe	82
PID 1312 wrote to memory of 1080	1312	RdrCEF.exe	82
PID 1312 wrote to memory of 1080	1312	RdrCEF.exe	82
PID 1312 wrote to memory of 1080	1312	RdrCEF.exe	82
PID 1312 wrote to memory of 1080	1312	RdrCEF.exe	82
PID 1312 wrote to memory of 1080	1312	RdrCEF.exe	82
PID 1312 wrote to memory of 1080	1312	RdrCEF.exe	82
PID 1312 wrote to memory of 1080	1312	RdrCEF.exe	82
PID 1312 wrote to memory of 1080	1312	RdrCEF.exe	82
PID 1312 wrote to memory of 1080	1312	RdrCEF.exe	82
PID 1312 wrote to memory of 1080	1312	RdrCEF.exe	82
PID 1312 wrote to memory of 1080	1312	RdrCEF.exe	82
PID 1312 wrote to memory of 1080	1312	RdrCEF.exe	82
PID 1312 wrote to memory of 1080	1312	RdrCEF.exe	82
PID 1312 wrote to memory of 1080	1312	RdrCEF.exe	82
PID 1312 wrote to memory of 1080	1312	RdrCEF.exe	82
PID 1312 wrote to memory of 1080	1312	RdrCEF.exe	82
PID 1312 wrote to memory of 1080	1312	RdrCEF.exe	82
PID 1312 wrote to memory of 1080	1312	RdrCEF.exe	82
PID 1312 wrote to memory of 1080	1312	RdrCEF.exe	82
PID 1312 wrote to memory of 1080	1312	RdrCEF.exe	82
PID 1312 wrote to memory of 1080	1312	RdrCEF.exe	82
PID 1312 wrote to memory of 1080	1312	RdrCEF.exe	82
PID 1312 wrote to memory of 1080	1312	RdrCEF.exe	82
PID 1312 wrote to memory of 1080	1312	RdrCEF.exe	82
PID 1312 wrote to memory of 1080	1312	RdrCEF.exe	82
PID 1312 wrote to memory of 1080	1312	RdrCEF.exe	82
PID 1312 wrote to memory of 1080	1312	RdrCEF.exe	82
PID 1312 wrote to memory of 1080	1312	RdrCEF.exe	82
PID 1312 wrote to memory of 1080	1312	RdrCEF.exe	82
PID 1312 wrote to memory of 1080	1312	RdrCEF.exe	82
PID 1312 wrote to memory of 1080	1312	RdrCEF.exe	82
PID 1312 wrote to memory of 1080	1312	RdrCEF.exe	82
PID 1312 wrote to memory of 1080	1312	RdrCEF.exe	82
PID 1312 wrote to memory of 1080	1312	RdrCEF.exe	82
PID 1312 wrote to memory of 1080	1312	RdrCEF.exe	82
PID 1312 wrote to memory of 1080	1312	RdrCEF.exe	82
PID 1312 wrote to memory of 1080	1312	RdrCEF.exe	82
PID 1312 wrote to memory of 1080	1312	RdrCEF.exe	82
PID 1312 wrote to memory of 2828	1312	RdrCEF.exe	83
PID 1312 wrote to memory of 2828	1312	RdrCEF.exe	83
PID 1312 wrote to memory of 2828	1312	RdrCEF.exe	83
PID 1312 wrote to memory of 2828	1312	RdrCEF.exe	83
PID 1312 wrote to memory of 2828	1312	RdrCEF.exe	83
PID 1312 wrote to memory of 2828	1312	RdrCEF.exe	83
PID 1312 wrote to memory of 2828	1312	RdrCEF.exe	83
PID 1312 wrote to memory of 2828	1312	RdrCEF.exe	83
PID 1312 wrote to memory of 2828	1312	RdrCEF.exe	83
PID 1312 wrote to memory of 2828	1312	RdrCEF.exe	83
PID 1312 wrote to memory of 2828	1312	RdrCEF.exe	83
PID 1312 wrote to memory of 2828	1312	RdrCEF.exe	83
PID 1312 wrote to memory of 2828	1312	RdrCEF.exe	83
PID 1312 wrote to memory of 2828	1312	RdrCEF.exe	83
PID 1312 wrote to memory of 2828	1312	RdrCEF.exe	83
PID 1312 wrote to memory of 2828	1312	RdrCEF.exe	83
PID 1312 wrote to memory of 2828	1312	RdrCEF.exe	83
PID 1312 wrote to memory of 2828	1312	RdrCEF.exe	83
PID 1312 wrote to memory of 2828	1312	RdrCEF.exe	83
PID 1312 wrote to memory of 2828	1312	RdrCEF.exe	83

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\PDF-DOC30012023001.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:2248
- 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:1312
- - 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=3787113645D88D49DCBD21A0506162A2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1080
- - 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=C19633A649CB7A5B0CC714269C3C6815 --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=C19633A649CB7A5B0CC714269C3C6815 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2828
- - 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=044B53BBA99864CFB2A73CD6C42F2B67 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4856
- - 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=DF660B89D0A421A700B61F5D0210CDFF --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=DF660B89D0A421A700B61F5D0210CDFF --renderer-client-id=5 --mojo-platform-channel-handle=1964 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4752
- - 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=8E757DCEDB990B461C4E752C3ACDDDA4 --mojo-platform-channel-handle=2580 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4204
- - 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=58C37738738EA6AC64926895C406DA20 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4516

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:592

Network

MITRE ATT&CK Enterprise v6

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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