6711f4837cec4fe8d6f16a7c58ee8f14a2bc8369eccf7ebd9d6d4a7dcb4208d1

Analysis

max time kernel
142s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
11/01/2024, 21:24

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General

Target

549e3a62028fdd7da5650ab1bf088bee.pdf
Size

84KB
MD5

549e3a62028fdd7da5650ab1bf088bee
SHA1

dce00a20a1c98995bba00cab8e7bc9226d5995c8
SHA256

6711f4837cec4fe8d6f16a7c58ee8f14a2bc8369eccf7ebd9d6d4a7dcb4208d1
SHA512

bb51129c481d303eb2693fe510b6fc4457f6217af99341996370711c1c2ed350a1af2546f79e57ed4bdcaf6e6b2c7d23aabe7b8d69210276e93d24ae7a4ea5a1
SSDEEP

1536:/9ln3gibPLKYtqmwtD72S2kc9qwOwuEKEoIxWU5yGFx/E6WDshZamTodzSY/LWQP:0+R4mwtv2S2/TgsYIBcshZvElSY/2Cl

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
3732	AcroRd32.exe
3732	AcroRd32.exe
3732	AcroRd32.exe
3732	AcroRd32.exe
3732	AcroRd32.exe
3732	AcroRd32.exe
3732	AcroRd32.exe
3732	AcroRd32.exe
3732	AcroRd32.exe
3732	AcroRd32.exe
3732	AcroRd32.exe
3732	AcroRd32.exe
3732	AcroRd32.exe
3732	AcroRd32.exe
3732	AcroRd32.exe
3732	AcroRd32.exe
3732	AcroRd32.exe
3732	AcroRd32.exe
3732	AcroRd32.exe
3732	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3732	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3732	AcroRd32.exe
3732	AcroRd32.exe
3732	AcroRd32.exe
3732	AcroRd32.exe
3732	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3732 wrote to memory of 1176	3732	AcroRd32.exe	91
PID 3732 wrote to memory of 1176	3732	AcroRd32.exe	91
PID 3732 wrote to memory of 1176	3732	AcroRd32.exe	91
PID 1176 wrote to memory of 1036	1176	RdrCEF.exe	93
PID 1176 wrote to memory of 1036	1176	RdrCEF.exe	93
PID 1176 wrote to memory of 1036	1176	RdrCEF.exe	93
PID 1176 wrote to memory of 1036	1176	RdrCEF.exe	93
PID 1176 wrote to memory of 1036	1176	RdrCEF.exe	93
PID 1176 wrote to memory of 1036	1176	RdrCEF.exe	93
PID 1176 wrote to memory of 1036	1176	RdrCEF.exe	93
PID 1176 wrote to memory of 1036	1176	RdrCEF.exe	93
PID 1176 wrote to memory of 1036	1176	RdrCEF.exe	93
PID 1176 wrote to memory of 1036	1176	RdrCEF.exe	93
PID 1176 wrote to memory of 1036	1176	RdrCEF.exe	93
PID 1176 wrote to memory of 1036	1176	RdrCEF.exe	93
PID 1176 wrote to memory of 1036	1176	RdrCEF.exe	93
PID 1176 wrote to memory of 1036	1176	RdrCEF.exe	93
PID 1176 wrote to memory of 1036	1176	RdrCEF.exe	93
PID 1176 wrote to memory of 1036	1176	RdrCEF.exe	93
PID 1176 wrote to memory of 1036	1176	RdrCEF.exe	93
PID 1176 wrote to memory of 1036	1176	RdrCEF.exe	93
PID 1176 wrote to memory of 1036	1176	RdrCEF.exe	93
PID 1176 wrote to memory of 1036	1176	RdrCEF.exe	93
PID 1176 wrote to memory of 1036	1176	RdrCEF.exe	93
PID 1176 wrote to memory of 1036	1176	RdrCEF.exe	93
PID 1176 wrote to memory of 1036	1176	RdrCEF.exe	93
PID 1176 wrote to memory of 1036	1176	RdrCEF.exe	93
PID 1176 wrote to memory of 1036	1176	RdrCEF.exe	93
PID 1176 wrote to memory of 1036	1176	RdrCEF.exe	93
PID 1176 wrote to memory of 1036	1176	RdrCEF.exe	93
PID 1176 wrote to memory of 1036	1176	RdrCEF.exe	93
PID 1176 wrote to memory of 1036	1176	RdrCEF.exe	93
PID 1176 wrote to memory of 1036	1176	RdrCEF.exe	93
PID 1176 wrote to memory of 1036	1176	RdrCEF.exe	93
PID 1176 wrote to memory of 1036	1176	RdrCEF.exe	93
PID 1176 wrote to memory of 1036	1176	RdrCEF.exe	93
PID 1176 wrote to memory of 1036	1176	RdrCEF.exe	93
PID 1176 wrote to memory of 1036	1176	RdrCEF.exe	93
PID 1176 wrote to memory of 1036	1176	RdrCEF.exe	93
PID 1176 wrote to memory of 1036	1176	RdrCEF.exe	93
PID 1176 wrote to memory of 1036	1176	RdrCEF.exe	93
PID 1176 wrote to memory of 1036	1176	RdrCEF.exe	93
PID 1176 wrote to memory of 1036	1176	RdrCEF.exe	93
PID 1176 wrote to memory of 1036	1176	RdrCEF.exe	93
PID 1176 wrote to memory of 4268	1176	RdrCEF.exe	92
PID 1176 wrote to memory of 4268	1176	RdrCEF.exe	92
PID 1176 wrote to memory of 4268	1176	RdrCEF.exe	92
PID 1176 wrote to memory of 4268	1176	RdrCEF.exe	92
PID 1176 wrote to memory of 4268	1176	RdrCEF.exe	92
PID 1176 wrote to memory of 4268	1176	RdrCEF.exe	92
PID 1176 wrote to memory of 4268	1176	RdrCEF.exe	92
PID 1176 wrote to memory of 4268	1176	RdrCEF.exe	92
PID 1176 wrote to memory of 4268	1176	RdrCEF.exe	92
PID 1176 wrote to memory of 4268	1176	RdrCEF.exe	92
PID 1176 wrote to memory of 4268	1176	RdrCEF.exe	92
PID 1176 wrote to memory of 4268	1176	RdrCEF.exe	92
PID 1176 wrote to memory of 4268	1176	RdrCEF.exe	92
PID 1176 wrote to memory of 4268	1176	RdrCEF.exe	92
PID 1176 wrote to memory of 4268	1176	RdrCEF.exe	92
PID 1176 wrote to memory of 4268	1176	RdrCEF.exe	92
PID 1176 wrote to memory of 4268	1176	RdrCEF.exe	92
PID 1176 wrote to memory of 4268	1176	RdrCEF.exe	92
PID 1176 wrote to memory of 4268	1176	RdrCEF.exe	92
PID 1176 wrote to memory of 4268	1176	RdrCEF.exe	92

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\549e3a62028fdd7da5650ab1bf088bee.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:3732
- 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:1176
- - 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=FDEA147E039CB98806388AB651239AF0 --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=FDEA147E039CB98806388AB651239AF0 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4268
- - 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=D52A6D580DC80202E3776F93552B0A5C --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1036
- - 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=7E85779A1832EA68257E68C910718E50 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2044
- - 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=FB48572A22B2DBE8D07439516ED8409C --mojo-platform-channel-handle=1952 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4248
- - 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=C7CBBA5AF30400B0EE012A7CE3E445E3 --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=C7CBBA5AF30400B0EE012A7CE3E445E3 --renderer-client-id=6 --mojo-platform-channel-handle=2340 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1128
- - 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=7620CE2876324078215D5538C6196307 --mojo-platform-channel-handle=1892 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1988

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1852

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
97688826d52276f6727803fa7fd1c17f

SHA1
ddfcc4ab082e0a31ad8fa8451250d0a4725790bd

SHA256
cd4c45cbe6bdf171d6528f6cb9629a0570d8cb825172811232d6a083ec633550

SHA512
33c59e5d233a8632591d7ca5e2eedbc36398a21d54fdc7761ba3dda62bcdf9e32a46793bde50dd52125cdf0e09f90157eba3fb029caf22bc2250e0cf9e3e4c2c

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