e3320e915f044cc972f9a75622f1a008791cf312b18f89ce209f812a38474d03

Analysis

max time kernel
140s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
19/01/2024, 00:15

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General

Target

6667e3d939346c206ae0fa0a15a66260.pdf
Size

97KB
MD5

6667e3d939346c206ae0fa0a15a66260
SHA1

ceab14d7e2a8b62b58ece67504486310928f1e53
SHA256

e3320e915f044cc972f9a75622f1a008791cf312b18f89ce209f812a38474d03
SHA512

b90b9e24d55caf2ff1151bf10434cae996cc37af38a9ae15df190c9baa6f109b76d8df09dee3c44390bbbc93cf99148ce316582b967e3d780fcc59895f31422a
SSDEEP

3072:1z2c2kI3i4vn0OSzgvv4v0KgfoTjEVKlu+i:ZvIXn0DgrKggTzc

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

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1980	AcroRd32.exe
1980	AcroRd32.exe
1980	AcroRd32.exe
1980	AcroRd32.exe
1980	AcroRd32.exe
1980	AcroRd32.exe
1980	AcroRd32.exe
1980	AcroRd32.exe
1980	AcroRd32.exe
1980	AcroRd32.exe
1980	AcroRd32.exe
1980	AcroRd32.exe
1980	AcroRd32.exe
1980	AcroRd32.exe
1980	AcroRd32.exe
1980	AcroRd32.exe
1980	AcroRd32.exe
1980	AcroRd32.exe
1980	AcroRd32.exe
1980	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1980	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1980	AcroRd32.exe
1980	AcroRd32.exe
1980	AcroRd32.exe
1980	AcroRd32.exe
1980	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1980 wrote to memory of 1588	1980	AcroRd32.exe	98
PID 1980 wrote to memory of 1588	1980	AcroRd32.exe	98
PID 1980 wrote to memory of 1588	1980	AcroRd32.exe	98
PID 1588 wrote to memory of 2744	1588	RdrCEF.exe	113
PID 1588 wrote to memory of 2744	1588	RdrCEF.exe	113
PID 1588 wrote to memory of 2744	1588	RdrCEF.exe	113
PID 1588 wrote to memory of 2744	1588	RdrCEF.exe	113
PID 1588 wrote to memory of 2744	1588	RdrCEF.exe	113
PID 1588 wrote to memory of 2744	1588	RdrCEF.exe	113
PID 1588 wrote to memory of 2744	1588	RdrCEF.exe	113
PID 1588 wrote to memory of 2744	1588	RdrCEF.exe	113
PID 1588 wrote to memory of 2744	1588	RdrCEF.exe	113
PID 1588 wrote to memory of 2744	1588	RdrCEF.exe	113
PID 1588 wrote to memory of 2744	1588	RdrCEF.exe	113
PID 1588 wrote to memory of 2744	1588	RdrCEF.exe	113
PID 1588 wrote to memory of 2744	1588	RdrCEF.exe	113
PID 1588 wrote to memory of 2744	1588	RdrCEF.exe	113
PID 1588 wrote to memory of 2744	1588	RdrCEF.exe	113
PID 1588 wrote to memory of 2744	1588	RdrCEF.exe	113
PID 1588 wrote to memory of 2744	1588	RdrCEF.exe	113
PID 1588 wrote to memory of 2744	1588	RdrCEF.exe	113
PID 1588 wrote to memory of 2744	1588	RdrCEF.exe	113
PID 1588 wrote to memory of 2744	1588	RdrCEF.exe	113
PID 1588 wrote to memory of 2744	1588	RdrCEF.exe	113
PID 1588 wrote to memory of 2744	1588	RdrCEF.exe	113
PID 1588 wrote to memory of 2744	1588	RdrCEF.exe	113
PID 1588 wrote to memory of 2744	1588	RdrCEF.exe	113
PID 1588 wrote to memory of 2744	1588	RdrCEF.exe	113
PID 1588 wrote to memory of 2744	1588	RdrCEF.exe	113
PID 1588 wrote to memory of 2744	1588	RdrCEF.exe	113
PID 1588 wrote to memory of 2744	1588	RdrCEF.exe	113
PID 1588 wrote to memory of 2744	1588	RdrCEF.exe	113
PID 1588 wrote to memory of 2744	1588	RdrCEF.exe	113
PID 1588 wrote to memory of 2744	1588	RdrCEF.exe	113
PID 1588 wrote to memory of 2744	1588	RdrCEF.exe	113
PID 1588 wrote to memory of 2744	1588	RdrCEF.exe	113
PID 1588 wrote to memory of 2744	1588	RdrCEF.exe	113
PID 1588 wrote to memory of 2744	1588	RdrCEF.exe	113
PID 1588 wrote to memory of 2744	1588	RdrCEF.exe	113
PID 1588 wrote to memory of 2744	1588	RdrCEF.exe	113
PID 1588 wrote to memory of 2744	1588	RdrCEF.exe	113
PID 1588 wrote to memory of 2744	1588	RdrCEF.exe	113
PID 1588 wrote to memory of 2744	1588	RdrCEF.exe	113
PID 1588 wrote to memory of 2744	1588	RdrCEF.exe	113
PID 1588 wrote to memory of 3864	1588	RdrCEF.exe	100
PID 1588 wrote to memory of 3864	1588	RdrCEF.exe	100
PID 1588 wrote to memory of 3864	1588	RdrCEF.exe	100
PID 1588 wrote to memory of 3864	1588	RdrCEF.exe	100
PID 1588 wrote to memory of 3864	1588	RdrCEF.exe	100
PID 1588 wrote to memory of 3864	1588	RdrCEF.exe	100
PID 1588 wrote to memory of 3864	1588	RdrCEF.exe	100
PID 1588 wrote to memory of 3864	1588	RdrCEF.exe	100
PID 1588 wrote to memory of 3864	1588	RdrCEF.exe	100
PID 1588 wrote to memory of 3864	1588	RdrCEF.exe	100
PID 1588 wrote to memory of 3864	1588	RdrCEF.exe	100
PID 1588 wrote to memory of 3864	1588	RdrCEF.exe	100
PID 1588 wrote to memory of 3864	1588	RdrCEF.exe	100
PID 1588 wrote to memory of 3864	1588	RdrCEF.exe	100
PID 1588 wrote to memory of 3864	1588	RdrCEF.exe	100
PID 1588 wrote to memory of 3864	1588	RdrCEF.exe	100
PID 1588 wrote to memory of 3864	1588	RdrCEF.exe	100
PID 1588 wrote to memory of 3864	1588	RdrCEF.exe	100
PID 1588 wrote to memory of 3864	1588	RdrCEF.exe	100
PID 1588 wrote to memory of 3864	1588	RdrCEF.exe	100

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\6667e3d939346c206ae0fa0a15a66260.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:1980
- 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:1588
- - 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=176C92E11B7EF4B4E637C772D89F8969 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2744
- - 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=7585084A48EE1E8C1802811B827CE360 --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=7585084A48EE1E8C1802811B827CE360 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3864
- - 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=8D0AE2CF0355A4843C66DEC9AD56619B --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3940
- - 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=BF9292F9FA6D85405B1726C61F651DE0 --mojo-platform-channel-handle=1916 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3632
- - 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=76FB943D32C6784911BD753C52E9553A --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=76FB943D32C6784911BD753C52E9553A --renderer-client-id=6 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4820
- - 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=2A14C7364E5EFBBA23DD2D07C99D3998 --mojo-platform-channel-handle=2660 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1752

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4228

C:\Windows\System32\sihclient.exe
C:\Windows\System32\sihclient.exe /cv QtSjyht6QECefBOBbxlv8g.0.2
1⤵
PID:1752

C:\Windows\system32\BackgroundTransferHost.exe
"BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.1
1⤵
PID:2744

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
28KB

MD5
51022a9405fdbb53eacb78d0257a2874

SHA1
ed982c4e3144d9673297163e7ee6d67ca576cd3b

SHA256
7939359a4de36b591e8a5bcc53ecb43f23a5b6da24b566bb410bcfbcf0d7907b

SHA512
23c4314164c24a76ae6d12d6fd8ea2cf4edc70f398bc99ece41e350497e464a456046e741283ae058f28a2f7762779d880500730e5bc6c388a22155e43067047

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