a754acfa9d353e041349f0793913d9b25a047f25b0318db73e153abbdcfe8b49

Analysis

max time kernel
157s
max time network
166s
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, 11:57

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General

Target

17bffd303ae63ac4f40fb101024538a2.pdf
Size

34KB
MD5

17bffd303ae63ac4f40fb101024538a2
SHA1

c94854cf5cc3f0ab4d2e158f51a8e8bdd0d90c8f
SHA256

a754acfa9d353e041349f0793913d9b25a047f25b0318db73e153abbdcfe8b49
SHA512

057578b3ac26e39a8d0b52e5e95b945ba91c524c0ee152717202f1cf8a54e95ce283809cd61bf830946e8a3e9ed42db30966b285625b5d1947bf762708535a23
SSDEEP

768:M0IxoaEzjsH32bkPmv+RqeZuxykdslLwdIKTzk:M0ICaEzAja+RqecpdyLrezk

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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4680	AcroRd32.exe
4680	AcroRd32.exe
4680	AcroRd32.exe
4680	AcroRd32.exe
4680	AcroRd32.exe
4680	AcroRd32.exe
4680	AcroRd32.exe
4680	AcroRd32.exe
4680	AcroRd32.exe
4680	AcroRd32.exe
4680	AcroRd32.exe
4680	AcroRd32.exe
4680	AcroRd32.exe
4680	AcroRd32.exe
4680	AcroRd32.exe
4680	AcroRd32.exe
4680	AcroRd32.exe
4680	AcroRd32.exe
4680	AcroRd32.exe
4680	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4680	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4680	AcroRd32.exe
4680	AcroRd32.exe
4680	AcroRd32.exe
4680	AcroRd32.exe
4680	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4680 wrote to memory of 1472	4680	AcroRd32.exe	96
PID 4680 wrote to memory of 1472	4680	AcroRd32.exe	96
PID 4680 wrote to memory of 1472	4680	AcroRd32.exe	96
PID 4680 wrote to memory of 1132	4680	AcroRd32.exe	99
PID 4680 wrote to memory of 1132	4680	AcroRd32.exe	99
PID 4680 wrote to memory of 1132	4680	AcroRd32.exe	99
PID 1472 wrote to memory of 1596	1472	RdrCEF.exe	101
PID 1472 wrote to memory of 1596	1472	RdrCEF.exe	101
PID 1472 wrote to memory of 1596	1472	RdrCEF.exe	101
PID 1472 wrote to memory of 1596	1472	RdrCEF.exe	101
PID 1472 wrote to memory of 1596	1472	RdrCEF.exe	101
PID 1472 wrote to memory of 1596	1472	RdrCEF.exe	101
PID 1472 wrote to memory of 1596	1472	RdrCEF.exe	101
PID 1472 wrote to memory of 1596	1472	RdrCEF.exe	101
PID 1472 wrote to memory of 1596	1472	RdrCEF.exe	101
PID 1472 wrote to memory of 1596	1472	RdrCEF.exe	101
PID 1472 wrote to memory of 1596	1472	RdrCEF.exe	101
PID 1472 wrote to memory of 1596	1472	RdrCEF.exe	101
PID 1472 wrote to memory of 1596	1472	RdrCEF.exe	101
PID 1472 wrote to memory of 1596	1472	RdrCEF.exe	101
PID 1472 wrote to memory of 1596	1472	RdrCEF.exe	101
PID 1472 wrote to memory of 1596	1472	RdrCEF.exe	101
PID 1472 wrote to memory of 1596	1472	RdrCEF.exe	101
PID 1472 wrote to memory of 1596	1472	RdrCEF.exe	101
PID 1472 wrote to memory of 1596	1472	RdrCEF.exe	101
PID 1472 wrote to memory of 1596	1472	RdrCEF.exe	101
PID 1472 wrote to memory of 1596	1472	RdrCEF.exe	101
PID 1472 wrote to memory of 1596	1472	RdrCEF.exe	101
PID 1472 wrote to memory of 1596	1472	RdrCEF.exe	101
PID 1472 wrote to memory of 1596	1472	RdrCEF.exe	101
PID 1472 wrote to memory of 1596	1472	RdrCEF.exe	101
PID 1472 wrote to memory of 1596	1472	RdrCEF.exe	101
PID 1472 wrote to memory of 1596	1472	RdrCEF.exe	101
PID 1472 wrote to memory of 1596	1472	RdrCEF.exe	101
PID 1472 wrote to memory of 1596	1472	RdrCEF.exe	101
PID 1472 wrote to memory of 1596	1472	RdrCEF.exe	101
PID 1472 wrote to memory of 1596	1472	RdrCEF.exe	101
PID 1472 wrote to memory of 1596	1472	RdrCEF.exe	101
PID 1472 wrote to memory of 1596	1472	RdrCEF.exe	101
PID 1472 wrote to memory of 1596	1472	RdrCEF.exe	101
PID 1472 wrote to memory of 1596	1472	RdrCEF.exe	101
PID 1472 wrote to memory of 1596	1472	RdrCEF.exe	101
PID 1472 wrote to memory of 1596	1472	RdrCEF.exe	101
PID 1472 wrote to memory of 1596	1472	RdrCEF.exe	101
PID 1472 wrote to memory of 1596	1472	RdrCEF.exe	101
PID 1472 wrote to memory of 1596	1472	RdrCEF.exe	101
PID 1472 wrote to memory of 1596	1472	RdrCEF.exe	101
PID 1472 wrote to memory of 4468	1472	RdrCEF.exe	102
PID 1472 wrote to memory of 4468	1472	RdrCEF.exe	102
PID 1472 wrote to memory of 4468	1472	RdrCEF.exe	102
PID 1472 wrote to memory of 4468	1472	RdrCEF.exe	102
PID 1472 wrote to memory of 4468	1472	RdrCEF.exe	102
PID 1472 wrote to memory of 4468	1472	RdrCEF.exe	102
PID 1472 wrote to memory of 4468	1472	RdrCEF.exe	102
PID 1472 wrote to memory of 4468	1472	RdrCEF.exe	102
PID 1472 wrote to memory of 4468	1472	RdrCEF.exe	102
PID 1472 wrote to memory of 4468	1472	RdrCEF.exe	102
PID 1472 wrote to memory of 4468	1472	RdrCEF.exe	102
PID 1472 wrote to memory of 4468	1472	RdrCEF.exe	102
PID 1472 wrote to memory of 4468	1472	RdrCEF.exe	102
PID 1472 wrote to memory of 4468	1472	RdrCEF.exe	102
PID 1472 wrote to memory of 4468	1472	RdrCEF.exe	102
PID 1472 wrote to memory of 4468	1472	RdrCEF.exe	102
PID 1472 wrote to memory of 4468	1472	RdrCEF.exe	102

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\17bffd303ae63ac4f40fb101024538a2.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:4680
- 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:1472
- - 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=211E4B9E05858705B0B38831FA4B7223 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1596
- - 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=472D90A669D30F75E20921D70BC2D1CA --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=472D90A669D30F75E20921D70BC2D1CA --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4468
- - 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=F91B7401DF3CA1BE942DDD88C279D8D5 --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=F91B7401DF3CA1BE942DDD88C279D8D5 --renderer-client-id=4 --mojo-platform-channel-handle=2288 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:700
- - 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=4D830C94B279C72FC70409E56681DF0E --mojo-platform-channel-handle=1816 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4392
- - 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=F7BBF179BFAD50CCC6224916D35AF0C3 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4880
- - 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=B1CAAE8347D4C81E8C6C3F617B74C12D --mojo-platform-channel-handle=2668 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4984
- 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⤵
  PID:1132

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
9af3ab0a089372ec9143c2197c686e04

SHA1
b2cffa8c69c37e8b7a1334aaccc177640146866c

SHA256
8cc0d0ef2f6b6d9f47f34e63589322220e8682efbc4cf29905f9361fa04d9b59

SHA512
b32bdf10a134942cba95c69deab8ff0df44e0bfece604c925cc2de59060fd8ee9d2909dc23136f0a2059316d73a9927c0eb9cb0911326e400a5c61bcb41feedc

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/4680-143-0x000000000A810000-0x000000000A83A000-memory.dmp

Filesize
168KB

Download