fbaf3285121faf1b63474cec38038f53bd170c8e1cee014abdc0cb411596f6f2

Analysis

max time kernel
148s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
12/01/2024, 04:31

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General

Target

557f6b8ac7ae01ed526065af8041979e.pdf
Size

79KB
MD5

557f6b8ac7ae01ed526065af8041979e
SHA1

0464e17fe343023a524d7ec049db7d401744f4f8
SHA256

fbaf3285121faf1b63474cec38038f53bd170c8e1cee014abdc0cb411596f6f2
SHA512

bdaba29e1441aa4e93c663cc7a2fdc5721edda2c8ce7314570fc17e5838e86ae544433ccd922a4bb9b449e6bf9237e82c6b6afb8cfdea6879f3bbadf6bda6137
SSDEEP

1536:LNTnf7cJis98acxY9lt1jw0+yBSK4Dnv5FWGpOKCWRPaz1SsK7y:ZTnfgssislN+YhYv56KjPaz1Ssb

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1264	AcroRd32.exe
1264	AcroRd32.exe
1264	AcroRd32.exe
1264	AcroRd32.exe
1264	AcroRd32.exe
1264	AcroRd32.exe
1264	AcroRd32.exe
1264	AcroRd32.exe
1264	AcroRd32.exe
1264	AcroRd32.exe
1264	AcroRd32.exe
1264	AcroRd32.exe
1264	AcroRd32.exe
1264	AcroRd32.exe
1264	AcroRd32.exe
1264	AcroRd32.exe
1264	AcroRd32.exe
1264	AcroRd32.exe
1264	AcroRd32.exe
1264	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1264	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1264	AcroRd32.exe
1264	AcroRd32.exe
1264	AcroRd32.exe
1264	AcroRd32.exe
1264	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1264 wrote to memory of 4492	1264	AcroRd32.exe	92
PID 1264 wrote to memory of 4492	1264	AcroRd32.exe	92
PID 1264 wrote to memory of 4492	1264	AcroRd32.exe	92
PID 4492 wrote to memory of 444	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 444	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 444	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 444	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 444	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 444	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 444	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 444	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 444	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 444	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 444	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 444	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 444	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 444	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 444	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 444	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 444	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 444	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 444	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 444	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 444	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 444	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 444	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 444	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 444	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 444	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 444	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 444	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 444	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 444	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 444	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 444	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 444	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 444	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 444	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 444	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 444	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 444	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 444	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 444	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 444	4492	RdrCEF.exe	96
PID 4492 wrote to memory of 2376	4492	RdrCEF.exe	95
PID 4492 wrote to memory of 2376	4492	RdrCEF.exe	95
PID 4492 wrote to memory of 2376	4492	RdrCEF.exe	95
PID 4492 wrote to memory of 2376	4492	RdrCEF.exe	95
PID 4492 wrote to memory of 2376	4492	RdrCEF.exe	95
PID 4492 wrote to memory of 2376	4492	RdrCEF.exe	95
PID 4492 wrote to memory of 2376	4492	RdrCEF.exe	95
PID 4492 wrote to memory of 2376	4492	RdrCEF.exe	95
PID 4492 wrote to memory of 2376	4492	RdrCEF.exe	95
PID 4492 wrote to memory of 2376	4492	RdrCEF.exe	95
PID 4492 wrote to memory of 2376	4492	RdrCEF.exe	95
PID 4492 wrote to memory of 2376	4492	RdrCEF.exe	95
PID 4492 wrote to memory of 2376	4492	RdrCEF.exe	95
PID 4492 wrote to memory of 2376	4492	RdrCEF.exe	95
PID 4492 wrote to memory of 2376	4492	RdrCEF.exe	95
PID 4492 wrote to memory of 2376	4492	RdrCEF.exe	95
PID 4492 wrote to memory of 2376	4492	RdrCEF.exe	95
PID 4492 wrote to memory of 2376	4492	RdrCEF.exe	95
PID 4492 wrote to memory of 2376	4492	RdrCEF.exe	95
PID 4492 wrote to memory of 2376	4492	RdrCEF.exe	95

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\557f6b8ac7ae01ed526065af8041979e.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:1264
- 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:4492
- - 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=1371182C842B4AE1121916D67A0D3F96 --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=1371182C842B4AE1121916D67A0D3F96 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2376
- - 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=0CDDBB7E967777D919267744DF8FCF1E --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:444
- - 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=99CB2B1A293393EB7EC43ABFAA569A25 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4592
- - 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=0F4DFC1B701347B97B660550E0700553 --mojo-platform-channel-handle=2420 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3756
- - 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=AACF0E4769FCDBED1A397076CAC8B8D9 --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=AACF0E4769FCDBED1A397076CAC8B8D9 --renderer-client-id=6 --mojo-platform-channel-handle=2500 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3748
- - 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=C6221D070E791EB94C91F56F66ECDF93 --mojo-platform-channel-handle=2692 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4308

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:880

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
21b82a650aa5d330a3c89bbd9208ef6a

SHA1
5d3e262d832cfa11457ac5feb65937425eff8879

SHA256
df99456b57646e0caeff1b9e921ed8552b314a8e9908047b796b2184f92e8db2

SHA512
5547eab104c2bea6707a171ef05a90b94d70885dc7173432442360ae541a01491659e168ff88211f0b487cf82be47fee2afb630617c1f3e46fccca89750841d3

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