98b075cbf71cea127959bd7d958371228e7936853ccbf06fbcd980165b8284bc

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31-12-2023 14:08

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General

Target

3935a16757838b166de81341eeabff3d.pdf
Size

84KB
MD5

3935a16757838b166de81341eeabff3d
SHA1

b56cd5fa49899cdf1ba61d7b606f48d99df3e19d
SHA256

98b075cbf71cea127959bd7d958371228e7936853ccbf06fbcd980165b8284bc
SHA512

cbf3020c2bda38520fc34a64dfa19963bc47fca117a2012a0382636df2eaeae9acc77b8d730a9fe3f104dad93f1b31ac28798890a4571ac0346891ec6873ef3c
SSDEEP

1536:VIg7Y7crGshN44bSpfNovsVNlN87XB+YZVmAa4/cnC5i8mWQWL5BPxzBL:V7+crGi81kKg7XI+Ha4/cnC5PD/Pf

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
5008	AcroRd32.exe
5008	AcroRd32.exe
5008	AcroRd32.exe
5008	AcroRd32.exe
5008	AcroRd32.exe
5008	AcroRd32.exe
5008	AcroRd32.exe
5008	AcroRd32.exe
5008	AcroRd32.exe
5008	AcroRd32.exe
5008	AcroRd32.exe
5008	AcroRd32.exe
5008	AcroRd32.exe
5008	AcroRd32.exe
5008	AcroRd32.exe
5008	AcroRd32.exe
5008	AcroRd32.exe
5008	AcroRd32.exe
5008	AcroRd32.exe
5008	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5008	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
5008	AcroRd32.exe
5008	AcroRd32.exe
5008	AcroRd32.exe
5008	AcroRd32.exe
5008	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5008 wrote to memory of 3996	5008	AcroRd32.exe	92
PID 5008 wrote to memory of 3996	5008	AcroRd32.exe	92
PID 5008 wrote to memory of 3996	5008	AcroRd32.exe	92
PID 3996 wrote to memory of 212	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 212	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 212	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 212	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 212	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 212	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 212	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 212	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 212	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 212	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 212	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 212	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 212	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 212	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 212	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 212	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 212	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 212	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 212	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 212	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 212	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 212	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 212	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 212	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 212	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 212	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 212	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 212	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 212	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 212	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 212	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 212	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 212	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 212	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 212	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 212	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 212	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 212	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 212	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 212	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 212	3996	RdrCEF.exe	93
PID 3996 wrote to memory of 220	3996	RdrCEF.exe	94
PID 3996 wrote to memory of 220	3996	RdrCEF.exe	94
PID 3996 wrote to memory of 220	3996	RdrCEF.exe	94
PID 3996 wrote to memory of 220	3996	RdrCEF.exe	94
PID 3996 wrote to memory of 220	3996	RdrCEF.exe	94
PID 3996 wrote to memory of 220	3996	RdrCEF.exe	94
PID 3996 wrote to memory of 220	3996	RdrCEF.exe	94
PID 3996 wrote to memory of 220	3996	RdrCEF.exe	94
PID 3996 wrote to memory of 220	3996	RdrCEF.exe	94
PID 3996 wrote to memory of 220	3996	RdrCEF.exe	94
PID 3996 wrote to memory of 220	3996	RdrCEF.exe	94
PID 3996 wrote to memory of 220	3996	RdrCEF.exe	94
PID 3996 wrote to memory of 220	3996	RdrCEF.exe	94
PID 3996 wrote to memory of 220	3996	RdrCEF.exe	94
PID 3996 wrote to memory of 220	3996	RdrCEF.exe	94
PID 3996 wrote to memory of 220	3996	RdrCEF.exe	94
PID 3996 wrote to memory of 220	3996	RdrCEF.exe	94
PID 3996 wrote to memory of 220	3996	RdrCEF.exe	94
PID 3996 wrote to memory of 220	3996	RdrCEF.exe	94
PID 3996 wrote to memory of 220	3996	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\3935a16757838b166de81341eeabff3d.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:5008
- 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:3996
- - 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=B8B6417AA96F7EBAB02E3BB22CCBE8AA --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:212
- - 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=5A5644CFEE379332776AA66A67B69B61 --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=5A5644CFEE379332776AA66A67B69B61 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:220
- - 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=D291414FD6C712B0CD9EE29BED20902B --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1924
- - 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=8298E70611966EEF72447384F0B5E648 --mojo-platform-channel-handle=2412 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4120
- - 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=440B2F2131CAA6D19E4F5C4B413BA5C6 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1696
- - 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=87F72FB2A72F05D54440E9A80D187064 --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=87F72FB2A72F05D54440E9A80D187064 --renderer-client-id=7 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2804

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:408

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
5a2c6e49ca5ea90085aa8172cb7d4fd5

SHA1
d6af5d2b48ed127669780261f2b43a07009a6fab

SHA256
dc19fe42f24e73d2839418c05cc954f7cb94874960f948eb1a045c67d23d82b2

SHA512
cd4ecdb43c441e224966032ec360e2789d4c7a6c7a643cba1b011e88258ec5bb0fb37f8996436f8e7f8e53ccdb4b3d6af8aeb06b9639ccfb5b139f3e5f3a8eb3

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
memory/5008-26-0x000000000BD60000-0x000000000BDB0000-memory.dmp

Filesize
320KB

Download