3c2067118393d71b52a4dd42f7560c4f93f58312471d12ebab568d981828c742

Analysis

max time kernel
148s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2023 07:15

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General

Target

11e37b697fdcfae6275245200640c239.pdf
Size

85KB
MD5

11e37b697fdcfae6275245200640c239
SHA1

cd243824a0a326af4d81c367908242d7a1b67f70
SHA256

3c2067118393d71b52a4dd42f7560c4f93f58312471d12ebab568d981828c742
SHA512

60ae9b8581cba5e88c79e43fec41ce2f98a7e2e62b1deaf319fb9de6960c8d03976dbb665540638461dd58fe4018b8c81cfe683d78fa69424d08c3df45c65ba8
SSDEEP

1536:isrQUdol/9Fvh3uiFHMgjNsCmjC43j/ZocevB+qtFJQOAIWGpOKCWI4iVsgBrj4y:sUe/9FvxuiFzjqCuCEqcevB1tFJoKaLr

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2732	AcroRd32.exe
2732	AcroRd32.exe
2732	AcroRd32.exe
2732	AcroRd32.exe
2732	AcroRd32.exe
2732	AcroRd32.exe
2732	AcroRd32.exe
2732	AcroRd32.exe
2732	AcroRd32.exe
2732	AcroRd32.exe
2732	AcroRd32.exe
2732	AcroRd32.exe
2732	AcroRd32.exe
2732	AcroRd32.exe
2732	AcroRd32.exe
2732	AcroRd32.exe
2732	AcroRd32.exe
2732	AcroRd32.exe
2732	AcroRd32.exe
2732	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2732	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2732	AcroRd32.exe
2732	AcroRd32.exe
2732	AcroRd32.exe
2732	AcroRd32.exe
2732	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2732 wrote to memory of 4704	2732	AcroRd32.exe	92
PID 2732 wrote to memory of 4704	2732	AcroRd32.exe	92
PID 2732 wrote to memory of 4704	2732	AcroRd32.exe	92
PID 4704 wrote to memory of 4236	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 4236	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 4236	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 4236	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 4236	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 4236	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 4236	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 4236	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 4236	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 4236	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 4236	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 4236	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 4236	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 4236	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 4236	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 4236	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 4236	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 4236	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 4236	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 4236	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 4236	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 4236	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 4236	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 4236	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 4236	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 4236	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 4236	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 4236	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 4236	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 4236	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 4236	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 4236	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 4236	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 4236	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 4236	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 4236	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 4236	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 4236	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 4236	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 4236	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 4236	4704	RdrCEF.exe	93
PID 4704 wrote to memory of 1400	4704	RdrCEF.exe	94
PID 4704 wrote to memory of 1400	4704	RdrCEF.exe	94
PID 4704 wrote to memory of 1400	4704	RdrCEF.exe	94
PID 4704 wrote to memory of 1400	4704	RdrCEF.exe	94
PID 4704 wrote to memory of 1400	4704	RdrCEF.exe	94
PID 4704 wrote to memory of 1400	4704	RdrCEF.exe	94
PID 4704 wrote to memory of 1400	4704	RdrCEF.exe	94
PID 4704 wrote to memory of 1400	4704	RdrCEF.exe	94
PID 4704 wrote to memory of 1400	4704	RdrCEF.exe	94
PID 4704 wrote to memory of 1400	4704	RdrCEF.exe	94
PID 4704 wrote to memory of 1400	4704	RdrCEF.exe	94
PID 4704 wrote to memory of 1400	4704	RdrCEF.exe	94
PID 4704 wrote to memory of 1400	4704	RdrCEF.exe	94
PID 4704 wrote to memory of 1400	4704	RdrCEF.exe	94
PID 4704 wrote to memory of 1400	4704	RdrCEF.exe	94
PID 4704 wrote to memory of 1400	4704	RdrCEF.exe	94
PID 4704 wrote to memory of 1400	4704	RdrCEF.exe	94
PID 4704 wrote to memory of 1400	4704	RdrCEF.exe	94
PID 4704 wrote to memory of 1400	4704	RdrCEF.exe	94
PID 4704 wrote to memory of 1400	4704	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\11e37b697fdcfae6275245200640c239.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:2732
- 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:4704
- - 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=7ECBF5F15546EF6D31ADB79D80729F11 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4236
- - 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=BC43B94A8D5912F054EE313623CCDF95 --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=BC43B94A8D5912F054EE313623CCDF95 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1400
- - 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=9B4EC463793E1BE481078C7917C3E9F5 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1948
- - 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=BC37808F616582EAEE8E8CDDFC958042 --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=BC37808F616582EAEE8E8CDDFC958042 --renderer-client-id=5 --mojo-platform-channel-handle=2468 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:824
- - 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=F0698AABC61BB79FBA7A3E5A06FE6FA8 --mojo-platform-channel-handle=1816 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3220
- - 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=17333ABC20E6C0576C2B65929C55A154 --mojo-platform-channel-handle=2892 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4472

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2896

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
3f7a099e4f38fa99509f29dedd42f29b

SHA1
cac75c033433607f24d405712a369e4f87eedd51

SHA256
6321b6582a3cced1f46cfcd169fd83c69fd87166756212b170e147592ab715dc

SHA512
f653cb8526486290672685b439e3fe7b8a84a2f22437e99812b0f52884fa3f5547f0e886f1032bb0bc57999946dbf08a3ba4d52773cbc22d881318b04b8dd5cc

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
memory/2732-25-0x000000000C080000-0x000000000C0D0000-memory.dmp

Filesize
320KB

Download