e8139193b057f95221b38e4ce0f663b7db25d768c6a10d7ff22096b923aece72

Analysis

max time kernel
141s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
18-01-2024 01:59

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General

Target

642f4b07730eb811dc64d64a3a964ccc.pdf
Size

81KB
MD5

642f4b07730eb811dc64d64a3a964ccc
SHA1

50cf01dd01f32f7444c0bb38924c6f97867debcd
SHA256

e8139193b057f95221b38e4ce0f663b7db25d768c6a10d7ff22096b923aece72
SHA512

c7f915092c926d8a9e82da6f49d6dc84e45f67c264c90eba18b8140645d287185a2d8b2f708ec095b800c7cdbbcc0ce791bb6c540f6a33ca1aa90b9a9bfa5a59
SSDEEP

1536:vrOryPbQBN3Vl5UfAHPQ2NzGBc121JsHYbtwN53ajPePW6pOu26WvwvK9CHgmg4s:zpPcB/wfkhKBc1CfbjPeku2dwtAmgv

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1900	AcroRd32.exe
1900	AcroRd32.exe
1900	AcroRd32.exe
1900	AcroRd32.exe
1900	AcroRd32.exe
1900	AcroRd32.exe
1900	AcroRd32.exe
1900	AcroRd32.exe
1900	AcroRd32.exe
1900	AcroRd32.exe
1900	AcroRd32.exe
1900	AcroRd32.exe
1900	AcroRd32.exe
1900	AcroRd32.exe
1900	AcroRd32.exe
1900	AcroRd32.exe
1900	AcroRd32.exe
1900	AcroRd32.exe
1900	AcroRd32.exe
1900	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1900	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1900	AcroRd32.exe
1900	AcroRd32.exe
1900	AcroRd32.exe
1900	AcroRd32.exe
1900	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1900 wrote to memory of 1208	1900	AcroRd32.exe	93
PID 1900 wrote to memory of 1208	1900	AcroRd32.exe	93
PID 1900 wrote to memory of 1208	1900	AcroRd32.exe	93
PID 1208 wrote to memory of 4908	1208	RdrCEF.exe	98
PID 1208 wrote to memory of 4908	1208	RdrCEF.exe	98
PID 1208 wrote to memory of 4908	1208	RdrCEF.exe	98
PID 1208 wrote to memory of 4908	1208	RdrCEF.exe	98
PID 1208 wrote to memory of 4908	1208	RdrCEF.exe	98
PID 1208 wrote to memory of 4908	1208	RdrCEF.exe	98
PID 1208 wrote to memory of 4908	1208	RdrCEF.exe	98
PID 1208 wrote to memory of 4908	1208	RdrCEF.exe	98
PID 1208 wrote to memory of 4908	1208	RdrCEF.exe	98
PID 1208 wrote to memory of 4908	1208	RdrCEF.exe	98
PID 1208 wrote to memory of 4908	1208	RdrCEF.exe	98
PID 1208 wrote to memory of 4908	1208	RdrCEF.exe	98
PID 1208 wrote to memory of 4908	1208	RdrCEF.exe	98
PID 1208 wrote to memory of 4908	1208	RdrCEF.exe	98
PID 1208 wrote to memory of 4908	1208	RdrCEF.exe	98
PID 1208 wrote to memory of 4908	1208	RdrCEF.exe	98
PID 1208 wrote to memory of 4908	1208	RdrCEF.exe	98
PID 1208 wrote to memory of 4908	1208	RdrCEF.exe	98
PID 1208 wrote to memory of 4908	1208	RdrCEF.exe	98
PID 1208 wrote to memory of 4908	1208	RdrCEF.exe	98
PID 1208 wrote to memory of 4908	1208	RdrCEF.exe	98
PID 1208 wrote to memory of 4908	1208	RdrCEF.exe	98
PID 1208 wrote to memory of 4908	1208	RdrCEF.exe	98
PID 1208 wrote to memory of 4908	1208	RdrCEF.exe	98
PID 1208 wrote to memory of 4908	1208	RdrCEF.exe	98
PID 1208 wrote to memory of 4908	1208	RdrCEF.exe	98
PID 1208 wrote to memory of 4908	1208	RdrCEF.exe	98
PID 1208 wrote to memory of 4908	1208	RdrCEF.exe	98
PID 1208 wrote to memory of 4908	1208	RdrCEF.exe	98
PID 1208 wrote to memory of 4908	1208	RdrCEF.exe	98
PID 1208 wrote to memory of 4908	1208	RdrCEF.exe	98
PID 1208 wrote to memory of 4908	1208	RdrCEF.exe	98
PID 1208 wrote to memory of 4908	1208	RdrCEF.exe	98
PID 1208 wrote to memory of 4908	1208	RdrCEF.exe	98
PID 1208 wrote to memory of 4908	1208	RdrCEF.exe	98
PID 1208 wrote to memory of 4908	1208	RdrCEF.exe	98
PID 1208 wrote to memory of 4908	1208	RdrCEF.exe	98
PID 1208 wrote to memory of 4908	1208	RdrCEF.exe	98
PID 1208 wrote to memory of 4908	1208	RdrCEF.exe	98
PID 1208 wrote to memory of 4908	1208	RdrCEF.exe	98
PID 1208 wrote to memory of 4908	1208	RdrCEF.exe	98
PID 1208 wrote to memory of 3040	1208	RdrCEF.exe	97
PID 1208 wrote to memory of 3040	1208	RdrCEF.exe	97
PID 1208 wrote to memory of 3040	1208	RdrCEF.exe	97
PID 1208 wrote to memory of 3040	1208	RdrCEF.exe	97
PID 1208 wrote to memory of 3040	1208	RdrCEF.exe	97
PID 1208 wrote to memory of 3040	1208	RdrCEF.exe	97
PID 1208 wrote to memory of 3040	1208	RdrCEF.exe	97
PID 1208 wrote to memory of 3040	1208	RdrCEF.exe	97
PID 1208 wrote to memory of 3040	1208	RdrCEF.exe	97
PID 1208 wrote to memory of 3040	1208	RdrCEF.exe	97
PID 1208 wrote to memory of 3040	1208	RdrCEF.exe	97
PID 1208 wrote to memory of 3040	1208	RdrCEF.exe	97
PID 1208 wrote to memory of 3040	1208	RdrCEF.exe	97
PID 1208 wrote to memory of 3040	1208	RdrCEF.exe	97
PID 1208 wrote to memory of 3040	1208	RdrCEF.exe	97
PID 1208 wrote to memory of 3040	1208	RdrCEF.exe	97
PID 1208 wrote to memory of 3040	1208	RdrCEF.exe	97
PID 1208 wrote to memory of 3040	1208	RdrCEF.exe	97
PID 1208 wrote to memory of 3040	1208	RdrCEF.exe	97
PID 1208 wrote to memory of 3040	1208	RdrCEF.exe	97

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\642f4b07730eb811dc64d64a3a964ccc.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:1900
- 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:1208
- - 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=7DB3A0670A2E8DC9A5D6CF59DC06B347 --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=7DB3A0670A2E8DC9A5D6CF59DC06B347 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3040
- - 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=E326B1208611ADA7F0A29C4283A65337 --mojo-platform-channel-handle=1716 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4908
- - 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=DD607678F849818D3FCF7D647D64DACE --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1144
- - 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=7399597EBB15E3D141D4182A193FDC73 --mojo-platform-channel-handle=1852 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3404
- - 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=8B7D26921698CC07316FC86EDDC0E2C7 --mojo-platform-channel-handle=1720 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:664
- - 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=B4CBC8F61E8C7FC7FC2CD5C31690FCFB --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=B4CBC8F61E8C7FC7FC2CD5C31690FCFB --renderer-client-id=8 --mojo-platform-channel-handle=1856 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1228

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:408

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
1429da8a8cf50c7bf8d92abff6c2f99c

SHA1
84f79c358155de86369f8cbf8b5b134442af83c7

SHA256
e754207154579af9a679d9345a147ecafb0844d9df21ca55f0db71b55c7cd054

SHA512
90332e29cdef7846510becd3087cb9bcfb1df17561146e4ed439734e889ef6529901c326e6090b709abadb8ab34dabcb81a2ca8f413a12f8ce47b7947616d28a

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
c26ed30e7d5ab440480838636efc41db

SHA1
c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591

SHA256
6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef

SHA512
96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit