5a5d178e0d00409a4903d573a325f433720de828a6ccf055062712b8792283dd

Analysis

max time kernel
141s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
12/10/2023, 13:46

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General

Target

CCGM Cynthia (In-house).pdf
Size

544KB
MD5

d1c07237ae7f360d4ca1ceaef95fd645
SHA1

14d85f5fa1cccae16a9423eabfa3a031188d8242
SHA256

5a5d178e0d00409a4903d573a325f433720de828a6ccf055062712b8792283dd
SHA512

7ac5f34479db4deeb83f78f67815cddd9a6f2c3ed2515f09fa6b2a77807ee7962f57906ebe78dc287301fe118f35a5adccc981da002e1b3f54e3e055858eded1
SSDEEP

12288:FB7HEIhx7v1KtvoUgXL8mlMesf3icX1N74aXzOHkHcA28HbKM:FBjEXtlfmlML/imtSqxH

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1088	AcroRd32.exe
1088	AcroRd32.exe
1088	AcroRd32.exe
1088	AcroRd32.exe
1088	AcroRd32.exe
1088	AcroRd32.exe
1088	AcroRd32.exe
1088	AcroRd32.exe
1088	AcroRd32.exe
1088	AcroRd32.exe
1088	AcroRd32.exe
1088	AcroRd32.exe
1088	AcroRd32.exe
1088	AcroRd32.exe
1088	AcroRd32.exe
1088	AcroRd32.exe
1088	AcroRd32.exe
1088	AcroRd32.exe
1088	AcroRd32.exe
1088	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1088	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1088	AcroRd32.exe
1088	AcroRd32.exe
1088	AcroRd32.exe
1088	AcroRd32.exe
1088	AcroRd32.exe
1088	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1088 wrote to memory of 4632	1088	AcroRd32.exe	83
PID 1088 wrote to memory of 4632	1088	AcroRd32.exe	83
PID 1088 wrote to memory of 4632	1088	AcroRd32.exe	83
PID 4632 wrote to memory of 4852	4632	RdrCEF.exe	84
PID 4632 wrote to memory of 4852	4632	RdrCEF.exe	84
PID 4632 wrote to memory of 4852	4632	RdrCEF.exe	84
PID 4632 wrote to memory of 4852	4632	RdrCEF.exe	84
PID 4632 wrote to memory of 4852	4632	RdrCEF.exe	84
PID 4632 wrote to memory of 4852	4632	RdrCEF.exe	84
PID 4632 wrote to memory of 4852	4632	RdrCEF.exe	84
PID 4632 wrote to memory of 4852	4632	RdrCEF.exe	84
PID 4632 wrote to memory of 4852	4632	RdrCEF.exe	84
PID 4632 wrote to memory of 4852	4632	RdrCEF.exe	84
PID 4632 wrote to memory of 4852	4632	RdrCEF.exe	84
PID 4632 wrote to memory of 4852	4632	RdrCEF.exe	84
PID 4632 wrote to memory of 4852	4632	RdrCEF.exe	84
PID 4632 wrote to memory of 4852	4632	RdrCEF.exe	84
PID 4632 wrote to memory of 4852	4632	RdrCEF.exe	84
PID 4632 wrote to memory of 4852	4632	RdrCEF.exe	84
PID 4632 wrote to memory of 4852	4632	RdrCEF.exe	84
PID 4632 wrote to memory of 4852	4632	RdrCEF.exe	84
PID 4632 wrote to memory of 4852	4632	RdrCEF.exe	84
PID 4632 wrote to memory of 4852	4632	RdrCEF.exe	84
PID 4632 wrote to memory of 4852	4632	RdrCEF.exe	84
PID 4632 wrote to memory of 4852	4632	RdrCEF.exe	84
PID 4632 wrote to memory of 4852	4632	RdrCEF.exe	84
PID 4632 wrote to memory of 4852	4632	RdrCEF.exe	84
PID 4632 wrote to memory of 4852	4632	RdrCEF.exe	84
PID 4632 wrote to memory of 4852	4632	RdrCEF.exe	84
PID 4632 wrote to memory of 4852	4632	RdrCEF.exe	84
PID 4632 wrote to memory of 4852	4632	RdrCEF.exe	84
PID 4632 wrote to memory of 4852	4632	RdrCEF.exe	84
PID 4632 wrote to memory of 4852	4632	RdrCEF.exe	84
PID 4632 wrote to memory of 4852	4632	RdrCEF.exe	84
PID 4632 wrote to memory of 4852	4632	RdrCEF.exe	84
PID 4632 wrote to memory of 4852	4632	RdrCEF.exe	84
PID 4632 wrote to memory of 4852	4632	RdrCEF.exe	84
PID 4632 wrote to memory of 4852	4632	RdrCEF.exe	84
PID 4632 wrote to memory of 4852	4632	RdrCEF.exe	84
PID 4632 wrote to memory of 4852	4632	RdrCEF.exe	84
PID 4632 wrote to memory of 4852	4632	RdrCEF.exe	84
PID 4632 wrote to memory of 4852	4632	RdrCEF.exe	84
PID 4632 wrote to memory of 4852	4632	RdrCEF.exe	84
PID 4632 wrote to memory of 4852	4632	RdrCEF.exe	84
PID 4632 wrote to memory of 316	4632	RdrCEF.exe	85
PID 4632 wrote to memory of 316	4632	RdrCEF.exe	85
PID 4632 wrote to memory of 316	4632	RdrCEF.exe	85
PID 4632 wrote to memory of 316	4632	RdrCEF.exe	85
PID 4632 wrote to memory of 316	4632	RdrCEF.exe	85
PID 4632 wrote to memory of 316	4632	RdrCEF.exe	85
PID 4632 wrote to memory of 316	4632	RdrCEF.exe	85
PID 4632 wrote to memory of 316	4632	RdrCEF.exe	85
PID 4632 wrote to memory of 316	4632	RdrCEF.exe	85
PID 4632 wrote to memory of 316	4632	RdrCEF.exe	85
PID 4632 wrote to memory of 316	4632	RdrCEF.exe	85
PID 4632 wrote to memory of 316	4632	RdrCEF.exe	85
PID 4632 wrote to memory of 316	4632	RdrCEF.exe	85
PID 4632 wrote to memory of 316	4632	RdrCEF.exe	85
PID 4632 wrote to memory of 316	4632	RdrCEF.exe	85
PID 4632 wrote to memory of 316	4632	RdrCEF.exe	85
PID 4632 wrote to memory of 316	4632	RdrCEF.exe	85
PID 4632 wrote to memory of 316	4632	RdrCEF.exe	85
PID 4632 wrote to memory of 316	4632	RdrCEF.exe	85
PID 4632 wrote to memory of 316	4632	RdrCEF.exe	85

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\CCGM Cynthia (In-house).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:1088
- 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:4632
- - 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=C3DF1FD33C30525BCAB2FE75E0BB3974 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4852
- - 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=C9CD8AA358DB6659EE7E4BEBC5E482D0 --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=C9CD8AA358DB6659EE7E4BEBC5E482D0 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:316
- - 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=CEF196EF913F0419A3630DDD4CA3D021 --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=CEF196EF913F0419A3630DDD4CA3D021 --renderer-client-id=4 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2484
- - 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=E48124098E4FC0CE69B4D6EDF2A30785 --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:64
- - 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=1E2CE19A7116AC0C67DC48FEB1861607 --mojo-platform-channel-handle=1888 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4356
- - 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=91ED67169125E7D03622EE8E859D2FCC --mojo-platform-channel-handle=2624 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1684

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
5112e01ec8fe93e59b60be673b62d948

SHA1
3e60c19629b2d30acef4d98acda227c961f3ef54

SHA256
77231a22fe4e4dada1f2d91dcc124070bc2928454ecf7561e577202443f54761

SHA512
caf16b3128487aebba6c68126b76f46a3aac659d2e4575b1318d25248f647349753c53b1fc3589cffec72481cf2cf220821a22ba6504d74677cd4e267776ce56

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