0b370f159a164254404c358299e573669e0ce1a1e3d40dd39bfe145665565ebe

Analysis

max time kernel
142s
max time network
117s
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, 04:24

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2809a74d0af27550de3e8691cbcbe7c7.pdf
Size

87KB
MD5

2809a74d0af27550de3e8691cbcbe7c7
SHA1

2b1404f6d139cd968a2128db8e04e2f5e256697a
SHA256

0b370f159a164254404c358299e573669e0ce1a1e3d40dd39bfe145665565ebe
SHA512

27bddbeebfbab75298e056731a0494ee0638c848c983c1a4f561141a8be59217f5fdad7c4ea1612ee2b7e666a6b4ddc88b803498cf4ec95d411208b19941f987
SSDEEP

1536:NayDj2nuHDtNDx3bJkEoRhY6aVe0KjkjcmHADob0895bdWSo1aG/7/hGeWapOtQw:kej2At5x3aEDLVBEHDob08DNnA7/hGj9

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

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1124	AcroRd32.exe
1124	AcroRd32.exe
1124	AcroRd32.exe
1124	AcroRd32.exe
1124	AcroRd32.exe
1124	AcroRd32.exe
1124	AcroRd32.exe
1124	AcroRd32.exe
1124	AcroRd32.exe
1124	AcroRd32.exe
1124	AcroRd32.exe
1124	AcroRd32.exe
1124	AcroRd32.exe
1124	AcroRd32.exe
1124	AcroRd32.exe
1124	AcroRd32.exe
1124	AcroRd32.exe
1124	AcroRd32.exe
1124	AcroRd32.exe
1124	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1124	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1124	AcroRd32.exe
1124	AcroRd32.exe
1124	AcroRd32.exe
1124	AcroRd32.exe
1124	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1124 wrote to memory of 2152	1124	AcroRd32.exe	94
PID 1124 wrote to memory of 2152	1124	AcroRd32.exe	94
PID 1124 wrote to memory of 2152	1124	AcroRd32.exe	94
PID 2152 wrote to memory of 316	2152	RdrCEF.exe	95
PID 2152 wrote to memory of 316	2152	RdrCEF.exe	95
PID 2152 wrote to memory of 316	2152	RdrCEF.exe	95
PID 2152 wrote to memory of 316	2152	RdrCEF.exe	95
PID 2152 wrote to memory of 316	2152	RdrCEF.exe	95
PID 2152 wrote to memory of 316	2152	RdrCEF.exe	95
PID 2152 wrote to memory of 316	2152	RdrCEF.exe	95
PID 2152 wrote to memory of 316	2152	RdrCEF.exe	95
PID 2152 wrote to memory of 316	2152	RdrCEF.exe	95
PID 2152 wrote to memory of 316	2152	RdrCEF.exe	95
PID 2152 wrote to memory of 316	2152	RdrCEF.exe	95
PID 2152 wrote to memory of 316	2152	RdrCEF.exe	95
PID 2152 wrote to memory of 316	2152	RdrCEF.exe	95
PID 2152 wrote to memory of 316	2152	RdrCEF.exe	95
PID 2152 wrote to memory of 316	2152	RdrCEF.exe	95
PID 2152 wrote to memory of 316	2152	RdrCEF.exe	95
PID 2152 wrote to memory of 316	2152	RdrCEF.exe	95
PID 2152 wrote to memory of 316	2152	RdrCEF.exe	95
PID 2152 wrote to memory of 316	2152	RdrCEF.exe	95
PID 2152 wrote to memory of 316	2152	RdrCEF.exe	95
PID 2152 wrote to memory of 316	2152	RdrCEF.exe	95
PID 2152 wrote to memory of 316	2152	RdrCEF.exe	95
PID 2152 wrote to memory of 316	2152	RdrCEF.exe	95
PID 2152 wrote to memory of 316	2152	RdrCEF.exe	95
PID 2152 wrote to memory of 316	2152	RdrCEF.exe	95
PID 2152 wrote to memory of 316	2152	RdrCEF.exe	95
PID 2152 wrote to memory of 316	2152	RdrCEF.exe	95
PID 2152 wrote to memory of 316	2152	RdrCEF.exe	95
PID 2152 wrote to memory of 316	2152	RdrCEF.exe	95
PID 2152 wrote to memory of 316	2152	RdrCEF.exe	95
PID 2152 wrote to memory of 316	2152	RdrCEF.exe	95
PID 2152 wrote to memory of 316	2152	RdrCEF.exe	95
PID 2152 wrote to memory of 316	2152	RdrCEF.exe	95
PID 2152 wrote to memory of 316	2152	RdrCEF.exe	95
PID 2152 wrote to memory of 316	2152	RdrCEF.exe	95
PID 2152 wrote to memory of 316	2152	RdrCEF.exe	95
PID 2152 wrote to memory of 316	2152	RdrCEF.exe	95
PID 2152 wrote to memory of 316	2152	RdrCEF.exe	95
PID 2152 wrote to memory of 316	2152	RdrCEF.exe	95
PID 2152 wrote to memory of 316	2152	RdrCEF.exe	95
PID 2152 wrote to memory of 316	2152	RdrCEF.exe	95
PID 2152 wrote to memory of 2632	2152	RdrCEF.exe	96
PID 2152 wrote to memory of 2632	2152	RdrCEF.exe	96
PID 2152 wrote to memory of 2632	2152	RdrCEF.exe	96
PID 2152 wrote to memory of 2632	2152	RdrCEF.exe	96
PID 2152 wrote to memory of 2632	2152	RdrCEF.exe	96
PID 2152 wrote to memory of 2632	2152	RdrCEF.exe	96
PID 2152 wrote to memory of 2632	2152	RdrCEF.exe	96
PID 2152 wrote to memory of 2632	2152	RdrCEF.exe	96
PID 2152 wrote to memory of 2632	2152	RdrCEF.exe	96
PID 2152 wrote to memory of 2632	2152	RdrCEF.exe	96
PID 2152 wrote to memory of 2632	2152	RdrCEF.exe	96
PID 2152 wrote to memory of 2632	2152	RdrCEF.exe	96
PID 2152 wrote to memory of 2632	2152	RdrCEF.exe	96
PID 2152 wrote to memory of 2632	2152	RdrCEF.exe	96
PID 2152 wrote to memory of 2632	2152	RdrCEF.exe	96
PID 2152 wrote to memory of 2632	2152	RdrCEF.exe	96
PID 2152 wrote to memory of 2632	2152	RdrCEF.exe	96
PID 2152 wrote to memory of 2632	2152	RdrCEF.exe	96
PID 2152 wrote to memory of 2632	2152	RdrCEF.exe	96
PID 2152 wrote to memory of 2632	2152	RdrCEF.exe	96

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\2809a74d0af27550de3e8691cbcbe7c7.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:1124
- 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:2152
- - 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=0E0C9357A8A5D693A7B35BCD88DD5D67 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:316
- - 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=92EDBFFB57827EFC944996528376D318 --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=92EDBFFB57827EFC944996528376D318 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2632
- - 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=F97F911B94132C8443FF9EAFA978D7BB --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4168
- - 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=CAF1D2CD867811610BA8F88EEFCCE750 --mojo-platform-channel-handle=1848 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4428
- - 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=0CE143D2748F5F52FD6BF88CDF3C1892 --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=0CE143D2748F5F52FD6BF88CDF3C1892 --renderer-client-id=6 --mojo-platform-channel-handle=2528 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2528
- - 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=F86E8CD65F7D48120D46FD2A07CF2F73 --mojo-platform-channel-handle=2832 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:996

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1924

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
f03b0656499af00c48fe94662a3f6b5d

SHA1
8a27cbc70ea5811f6af8f47109c10de928ef3461

SHA256
4c0fdd40dd5c56f6cbb2f6941433c258fc86c4300c0fc783ae15806df1d32b68

SHA512
c83f18873601dd229cd0d0cba70ab4984cb4736c7589e14b2b0c8bd6e80c00ee33e70313c49380ab7ea6ecc6181cfa2ade5f7ad03a6e995b94f0b75de35f593e

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/1124-26-0x000000000B930000-0x000000000B980000-memory.dmp

Filesize
320KB

Download
memory/1124-28-0x000000000B930000-0x000000000B951000-memory.dmp

Filesize
132KB

Download