6f6e1e31870fb1c0b0456441e9f13b6cf6a8da2e51c12874ef269907a5420d8a

Analysis

max time kernel
171s
max time network
182s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
03-01-2024 20:48

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General

Target

3f0a8313139524af4f9596094e4c0f54.pdf
Size

85KB
MD5

3f0a8313139524af4f9596094e4c0f54
SHA1

8b47fc009f8112dad13622a6563ae99f0836b5dc
SHA256

6f6e1e31870fb1c0b0456441e9f13b6cf6a8da2e51c12874ef269907a5420d8a
SHA512

8b5868a4fd10ef78369118c2a273a360523a4348db0909d6f284a64ece0aa9cf0c5415e738dd189d19c92875da3ad3e98c559a6e74bb6d0e5210c2e4f6ddc9f9
SSDEEP

1536:soY4e02iKNPxHKr4gWDD8FME5oow3tljI85+pX3txIMKj6WOpOwrKWGkj9HmsLmD:zSoO4MmF+LIK+pXvIJjvwrPj9HFy

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2816	AcroRd32.exe
2816	AcroRd32.exe
2816	AcroRd32.exe
2816	AcroRd32.exe
2816	AcroRd32.exe
2816	AcroRd32.exe
2816	AcroRd32.exe
2816	AcroRd32.exe
2816	AcroRd32.exe
2816	AcroRd32.exe
2816	AcroRd32.exe
2816	AcroRd32.exe
2816	AcroRd32.exe
2816	AcroRd32.exe
2816	AcroRd32.exe
2816	AcroRd32.exe
2816	AcroRd32.exe
2816	AcroRd32.exe
2816	AcroRd32.exe
2816	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2816	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2816	AcroRd32.exe
2816	AcroRd32.exe
2816	AcroRd32.exe
2816	AcroRd32.exe
2816	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2816 wrote to memory of 1956	2816	AcroRd32.exe	91
PID 2816 wrote to memory of 1956	2816	AcroRd32.exe	91
PID 2816 wrote to memory of 1956	2816	AcroRd32.exe	91
PID 1956 wrote to memory of 868	1956	RdrCEF.exe	94
PID 1956 wrote to memory of 868	1956	RdrCEF.exe	94
PID 1956 wrote to memory of 868	1956	RdrCEF.exe	94
PID 1956 wrote to memory of 868	1956	RdrCEF.exe	94
PID 1956 wrote to memory of 868	1956	RdrCEF.exe	94
PID 1956 wrote to memory of 868	1956	RdrCEF.exe	94
PID 1956 wrote to memory of 868	1956	RdrCEF.exe	94
PID 1956 wrote to memory of 868	1956	RdrCEF.exe	94
PID 1956 wrote to memory of 868	1956	RdrCEF.exe	94
PID 1956 wrote to memory of 868	1956	RdrCEF.exe	94
PID 1956 wrote to memory of 868	1956	RdrCEF.exe	94
PID 1956 wrote to memory of 868	1956	RdrCEF.exe	94
PID 1956 wrote to memory of 868	1956	RdrCEF.exe	94
PID 1956 wrote to memory of 868	1956	RdrCEF.exe	94
PID 1956 wrote to memory of 868	1956	RdrCEF.exe	94
PID 1956 wrote to memory of 868	1956	RdrCEF.exe	94
PID 1956 wrote to memory of 868	1956	RdrCEF.exe	94
PID 1956 wrote to memory of 868	1956	RdrCEF.exe	94
PID 1956 wrote to memory of 868	1956	RdrCEF.exe	94
PID 1956 wrote to memory of 868	1956	RdrCEF.exe	94
PID 1956 wrote to memory of 868	1956	RdrCEF.exe	94
PID 1956 wrote to memory of 868	1956	RdrCEF.exe	94
PID 1956 wrote to memory of 868	1956	RdrCEF.exe	94
PID 1956 wrote to memory of 868	1956	RdrCEF.exe	94
PID 1956 wrote to memory of 868	1956	RdrCEF.exe	94
PID 1956 wrote to memory of 868	1956	RdrCEF.exe	94
PID 1956 wrote to memory of 868	1956	RdrCEF.exe	94
PID 1956 wrote to memory of 868	1956	RdrCEF.exe	94
PID 1956 wrote to memory of 868	1956	RdrCEF.exe	94
PID 1956 wrote to memory of 868	1956	RdrCEF.exe	94
PID 1956 wrote to memory of 868	1956	RdrCEF.exe	94
PID 1956 wrote to memory of 868	1956	RdrCEF.exe	94
PID 1956 wrote to memory of 868	1956	RdrCEF.exe	94
PID 1956 wrote to memory of 868	1956	RdrCEF.exe	94
PID 1956 wrote to memory of 868	1956	RdrCEF.exe	94
PID 1956 wrote to memory of 868	1956	RdrCEF.exe	94
PID 1956 wrote to memory of 868	1956	RdrCEF.exe	94
PID 1956 wrote to memory of 868	1956	RdrCEF.exe	94
PID 1956 wrote to memory of 868	1956	RdrCEF.exe	94
PID 1956 wrote to memory of 868	1956	RdrCEF.exe	94
PID 1956 wrote to memory of 868	1956	RdrCEF.exe	94
PID 1956 wrote to memory of 5044	1956	RdrCEF.exe	95
PID 1956 wrote to memory of 5044	1956	RdrCEF.exe	95
PID 1956 wrote to memory of 5044	1956	RdrCEF.exe	95
PID 1956 wrote to memory of 5044	1956	RdrCEF.exe	95
PID 1956 wrote to memory of 5044	1956	RdrCEF.exe	95
PID 1956 wrote to memory of 5044	1956	RdrCEF.exe	95
PID 1956 wrote to memory of 5044	1956	RdrCEF.exe	95
PID 1956 wrote to memory of 5044	1956	RdrCEF.exe	95
PID 1956 wrote to memory of 5044	1956	RdrCEF.exe	95
PID 1956 wrote to memory of 5044	1956	RdrCEF.exe	95
PID 1956 wrote to memory of 5044	1956	RdrCEF.exe	95
PID 1956 wrote to memory of 5044	1956	RdrCEF.exe	95
PID 1956 wrote to memory of 5044	1956	RdrCEF.exe	95
PID 1956 wrote to memory of 5044	1956	RdrCEF.exe	95
PID 1956 wrote to memory of 5044	1956	RdrCEF.exe	95
PID 1956 wrote to memory of 5044	1956	RdrCEF.exe	95
PID 1956 wrote to memory of 5044	1956	RdrCEF.exe	95
PID 1956 wrote to memory of 5044	1956	RdrCEF.exe	95
PID 1956 wrote to memory of 5044	1956	RdrCEF.exe	95
PID 1956 wrote to memory of 5044	1956	RdrCEF.exe	95

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\3f0a8313139524af4f9596094e4c0f54.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:2816
- 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:1956
- - 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=37CB181A255DF97C4E4184A113CB43AB --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:868
- - 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=5D4A93023898A10181AD606F86FD91C9 --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=5D4A93023898A10181AD606F86FD91C9 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5044
- - 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=0F1E3BAF6C250DF342EC4245B93A2AEA --mojo-platform-channel-handle=2176 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:116
- - 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=6DBC6D00D0B956D8692EAFA47892FF67 --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=6DBC6D00D0B956D8692EAFA47892FF67 --renderer-client-id=5 --mojo-platform-channel-handle=2276 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3984
- - 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=82586FAF00C5FB9982C42CA3F7912712 --mojo-platform-channel-handle=2424 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:940
- - 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=7D910E2DF532903C48C98EA04674CDCA --mojo-platform-channel-handle=2240 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3108

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2104

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

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Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
51f368fd6806a56408e21b0e16d9a239

SHA1
c5dd9595e7b0c9c81ec3ab06566ac37573625acf

SHA256
6e21c66c0dd69c9346d16b37523a0660185c8f9f8a17d24480c866d37edd0da9

SHA512
f28846d5f6ef6b071cea75433db12774c64a6aabd4701c326c7b529895cb058b28cc4496708e625d6b07f74c95d5eacb84ef730b87ad1cb2ffa57fa39e8de161

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/2816-60-0x000000000C190000-0x000000000C1B1000-memory.dmp

Filesize
132KB

Download