dfe3b4d2f025393d295a747e56d73457f306f6ade03e9194e4d52fc68287a9c4

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
13/01/2024, 16:15

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General

Target

592a0bce8646747ecda0e13c58dcc153.pdf
Size

65KB
MD5

592a0bce8646747ecda0e13c58dcc153
SHA1

206d3175a87fb136144d72d32328e3fedfd2ae4c
SHA256

dfe3b4d2f025393d295a747e56d73457f306f6ade03e9194e4d52fc68287a9c4
SHA512

71254f276a64d2c5449cbfcfd1b88455eb1c6320ad759777bc813408c66f15085a0aa59757cddc81a4328726fde71693e86d2d7aca059f016db9021a44c90704
SSDEEP

1536:jmYfKzrAL36Zr3TzOHJYqP123j1o8aQB7BXvPiRh0gbHsA:ymKXi36FDzOHJYye68amvKYgbn

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
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1160	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1160 wrote to memory of 4292	1160	AcroRd32.exe	91
PID 1160 wrote to memory of 4292	1160	AcroRd32.exe	91
PID 1160 wrote to memory of 4292	1160	AcroRd32.exe	91
PID 4292 wrote to memory of 3908	4292	RdrCEF.exe	94
PID 4292 wrote to memory of 3908	4292	RdrCEF.exe	94
PID 4292 wrote to memory of 3908	4292	RdrCEF.exe	94
PID 4292 wrote to memory of 3908	4292	RdrCEF.exe	94
PID 4292 wrote to memory of 3908	4292	RdrCEF.exe	94
PID 4292 wrote to memory of 3908	4292	RdrCEF.exe	94
PID 4292 wrote to memory of 3908	4292	RdrCEF.exe	94
PID 4292 wrote to memory of 3908	4292	RdrCEF.exe	94
PID 4292 wrote to memory of 3908	4292	RdrCEF.exe	94
PID 4292 wrote to memory of 3908	4292	RdrCEF.exe	94
PID 4292 wrote to memory of 3908	4292	RdrCEF.exe	94
PID 4292 wrote to memory of 3908	4292	RdrCEF.exe	94
PID 4292 wrote to memory of 3908	4292	RdrCEF.exe	94
PID 4292 wrote to memory of 3908	4292	RdrCEF.exe	94
PID 4292 wrote to memory of 3908	4292	RdrCEF.exe	94
PID 4292 wrote to memory of 3908	4292	RdrCEF.exe	94
PID 4292 wrote to memory of 3908	4292	RdrCEF.exe	94
PID 4292 wrote to memory of 3908	4292	RdrCEF.exe	94
PID 4292 wrote to memory of 3908	4292	RdrCEF.exe	94
PID 4292 wrote to memory of 3908	4292	RdrCEF.exe	94
PID 4292 wrote to memory of 3908	4292	RdrCEF.exe	94
PID 4292 wrote to memory of 3908	4292	RdrCEF.exe	94
PID 4292 wrote to memory of 3908	4292	RdrCEF.exe	94
PID 4292 wrote to memory of 3908	4292	RdrCEF.exe	94
PID 4292 wrote to memory of 3908	4292	RdrCEF.exe	94
PID 4292 wrote to memory of 3908	4292	RdrCEF.exe	94
PID 4292 wrote to memory of 3908	4292	RdrCEF.exe	94
PID 4292 wrote to memory of 3908	4292	RdrCEF.exe	94
PID 4292 wrote to memory of 3908	4292	RdrCEF.exe	94
PID 4292 wrote to memory of 3908	4292	RdrCEF.exe	94
PID 4292 wrote to memory of 3908	4292	RdrCEF.exe	94
PID 4292 wrote to memory of 3908	4292	RdrCEF.exe	94
PID 4292 wrote to memory of 3908	4292	RdrCEF.exe	94
PID 4292 wrote to memory of 3908	4292	RdrCEF.exe	94
PID 4292 wrote to memory of 3908	4292	RdrCEF.exe	94
PID 4292 wrote to memory of 3908	4292	RdrCEF.exe	94
PID 4292 wrote to memory of 3908	4292	RdrCEF.exe	94
PID 4292 wrote to memory of 3908	4292	RdrCEF.exe	94
PID 4292 wrote to memory of 3908	4292	RdrCEF.exe	94
PID 4292 wrote to memory of 3908	4292	RdrCEF.exe	94
PID 4292 wrote to memory of 3908	4292	RdrCEF.exe	94
PID 4292 wrote to memory of 3976	4292	RdrCEF.exe	93
PID 4292 wrote to memory of 3976	4292	RdrCEF.exe	93
PID 4292 wrote to memory of 3976	4292	RdrCEF.exe	93
PID 4292 wrote to memory of 3976	4292	RdrCEF.exe	93
PID 4292 wrote to memory of 3976	4292	RdrCEF.exe	93
PID 4292 wrote to memory of 3976	4292	RdrCEF.exe	93
PID 4292 wrote to memory of 3976	4292	RdrCEF.exe	93
PID 4292 wrote to memory of 3976	4292	RdrCEF.exe	93
PID 4292 wrote to memory of 3976	4292	RdrCEF.exe	93
PID 4292 wrote to memory of 3976	4292	RdrCEF.exe	93
PID 4292 wrote to memory of 3976	4292	RdrCEF.exe	93
PID 4292 wrote to memory of 3976	4292	RdrCEF.exe	93
PID 4292 wrote to memory of 3976	4292	RdrCEF.exe	93
PID 4292 wrote to memory of 3976	4292	RdrCEF.exe	93
PID 4292 wrote to memory of 3976	4292	RdrCEF.exe	93
PID 4292 wrote to memory of 3976	4292	RdrCEF.exe	93
PID 4292 wrote to memory of 3976	4292	RdrCEF.exe	93
PID 4292 wrote to memory of 3976	4292	RdrCEF.exe	93
PID 4292 wrote to memory of 3976	4292	RdrCEF.exe	93
PID 4292 wrote to memory of 3976	4292	RdrCEF.exe	93

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\592a0bce8646747ecda0e13c58dcc153.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:1160
- 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:4292
- - 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=86DBCCE84AE8E427F58B0997402DDCC7 --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=86DBCCE84AE8E427F58B0997402DDCC7 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3976
- - 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=1A4B4EE3F65FBD3BF9B3CEC1B549225A --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3908
- - 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=28AAB241EEFE6AC2539C59363CBC9047 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4824
- - 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=BB52F27331AAF3B51960E888A8619484 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:532
- - 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=92774EF5B546C2CDCA826C9BDCAE449F --mojo-platform-channel-handle=2528 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4712
- - 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=8C32DBDC84448B08426EF2BA1FA15A55 --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=8C32DBDC84448B08426EF2BA1FA15A55 --renderer-client-id=6 --mojo-platform-channel-handle=2428 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1272

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3268

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
b6965aa3711b6ee6297af1bc1214d4f1

SHA1
635d58a6a46fad87967d9b4ab66f106ab86557d4

SHA256
b766764b059bcc40bbe54d63dfe33619d79302d568a5ea183fd6d69e5fd24c57

SHA512
84cedcaab9b440b45feb7bd04c43eba114668c6a023747a73499980be0ccbe2e3b6992be3b02e19b1eb69c627848687cfa774eadc287d5e37952898f666ca1c3

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