5b78aa2700ce43a9558c785ec0720411e3e84a78e8bfcd50cbc10dbadced8918

Analysis

max time kernel
142s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
24/12/2023, 16:26

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General

Target

05a317a5e2ea8080089a52e374c679ef.pdf
Size

86KB
MD5

05a317a5e2ea8080089a52e374c679ef
SHA1

42f7386db648e415426c85f0268f5fd638581f1b
SHA256

5b78aa2700ce43a9558c785ec0720411e3e84a78e8bfcd50cbc10dbadced8918
SHA512

86c7b9b43461aac05ce4ebda17d5ec9ef8af39d1505fdaea1e214d51fdc5fc8b268351de0bfd2d8398a2f69fbc4a957264bf16d9d34c0592e3f30872451bb81c
SSDEEP

1536:GbawR7OJdVLaMLadt+9MJM23ebX6B3n67br0f0CLdu597i4ted17GbXW6pOu26Wb:WMd99ma2P3nIrEzLQz7i+erosu23fiyz

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1492	AcroRd32.exe
1492	AcroRd32.exe
1492	AcroRd32.exe
1492	AcroRd32.exe
1492	AcroRd32.exe
1492	AcroRd32.exe
1492	AcroRd32.exe
1492	AcroRd32.exe
1492	AcroRd32.exe
1492	AcroRd32.exe
1492	AcroRd32.exe
1492	AcroRd32.exe
1492	AcroRd32.exe
1492	AcroRd32.exe
1492	AcroRd32.exe
1492	AcroRd32.exe
1492	AcroRd32.exe
1492	AcroRd32.exe
1492	AcroRd32.exe
1492	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1492	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1492	AcroRd32.exe
1492	AcroRd32.exe
1492	AcroRd32.exe
1492	AcroRd32.exe
1492	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1492 wrote to memory of 1108	1492	AcroRd32.exe	92
PID 1492 wrote to memory of 1108	1492	AcroRd32.exe	92
PID 1492 wrote to memory of 1108	1492	AcroRd32.exe	92
PID 1108 wrote to memory of 844	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 844	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 844	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 844	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 844	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 844	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 844	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 844	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 844	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 844	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 844	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 844	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 844	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 844	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 844	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 844	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 844	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 844	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 844	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 844	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 844	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 844	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 844	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 844	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 844	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 844	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 844	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 844	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 844	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 844	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 844	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 844	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 844	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 844	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 844	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 844	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 844	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 844	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 844	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 844	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 844	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 3524	1108	RdrCEF.exe	94
PID 1108 wrote to memory of 3524	1108	RdrCEF.exe	94
PID 1108 wrote to memory of 3524	1108	RdrCEF.exe	94
PID 1108 wrote to memory of 3524	1108	RdrCEF.exe	94
PID 1108 wrote to memory of 3524	1108	RdrCEF.exe	94
PID 1108 wrote to memory of 3524	1108	RdrCEF.exe	94
PID 1108 wrote to memory of 3524	1108	RdrCEF.exe	94
PID 1108 wrote to memory of 3524	1108	RdrCEF.exe	94
PID 1108 wrote to memory of 3524	1108	RdrCEF.exe	94
PID 1108 wrote to memory of 3524	1108	RdrCEF.exe	94
PID 1108 wrote to memory of 3524	1108	RdrCEF.exe	94
PID 1108 wrote to memory of 3524	1108	RdrCEF.exe	94
PID 1108 wrote to memory of 3524	1108	RdrCEF.exe	94
PID 1108 wrote to memory of 3524	1108	RdrCEF.exe	94
PID 1108 wrote to memory of 3524	1108	RdrCEF.exe	94
PID 1108 wrote to memory of 3524	1108	RdrCEF.exe	94
PID 1108 wrote to memory of 3524	1108	RdrCEF.exe	94
PID 1108 wrote to memory of 3524	1108	RdrCEF.exe	94
PID 1108 wrote to memory of 3524	1108	RdrCEF.exe	94
PID 1108 wrote to memory of 3524	1108	RdrCEF.exe	94

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\05a317a5e2ea8080089a52e374c679ef.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:1492
- 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:1108
- - 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=E04DF96DDD6B50E4783E2100FFDDCCCB --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:844
- - 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=AFEC9C40DF17DF377486CFDC104D8DE7 --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=AFEC9C40DF17DF377486CFDC104D8DE7 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3524
- - 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=45DD3B65A3AF16CFC03053B18BF9B715 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4784
- - 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=61E857AA03A78E724D7C233535CE021D --mojo-platform-channel-handle=1800 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4368
- - 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=3673B0AFD3A0D591BA4D6A67DB54DB15 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3448
- - 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=270086AF5D26BFB0B55C87CEA94B16F7 --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=270086AF5D26BFB0B55C87CEA94B16F7 --renderer-client-id=8 --mojo-platform-channel-handle=1800 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:976

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4804

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
18KB

MD5
88a6d52d730ebe170b390f75a1ba545a

SHA1
9cbbab4391b83cece59f3f6168117df1e4c5ac4b

SHA256
19f76537cd7d521dfae14b393a8f89b56c6564ccdf8b4dae6f0380f610fe6e6b

SHA512
a3994e4b613b52e405d23da76bae89c30fbdadbf9d6db0c63939d02668b42f7bd88a1f856f8cf40ebef43be6a8d820fc04004bd0ca7f43d1f73b4dea1b8a93bf

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