b88e6154aeb1c8505580917f36abef82ab4033e871559ed3634d90f9a144131f

Analysis

max time kernel
143s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
15-11-2023 18:15

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General

Target

Payload/ESign.app/Assets.pdf
Size

1.5MB
MD5

8f63256f6deb6681dc55c9adf92669e6
SHA1

c86a3c611f182bf21ba9622df3fddcf74b384694
SHA256

8b8ee995e41859ef45cfe5ae1d5147e7d127fdc89b74d98822f767f7b63e0365
SHA512

0b19107961103faed1f836ffa6f844227ed3f98d8c09b454fbbca5ddf6d531febe1b2645acc4ba9d0fbb101b6d949c55fb995f53b11cb14a2e654f7e6007f90a
SSDEEP

12288:VIdD6RdK+bPdzRibfZUeEsoUsTgBbVJzyoygT6SfzXCp+c0SvggkWxXkvZkoXT/8:Vqg154TpXgvJkWtsT/1xU/qZx

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

Processes:

AcroRd32.exe

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

Processes:

AcroRd32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

AcroRd32.exe

pid	process
2080	AcroRd32.exe
2080	AcroRd32.exe
2080	AcroRd32.exe
2080	AcroRd32.exe
2080	AcroRd32.exe
2080	AcroRd32.exe
2080	AcroRd32.exe
2080	AcroRd32.exe
2080	AcroRd32.exe
2080	AcroRd32.exe
2080	AcroRd32.exe
2080	AcroRd32.exe
2080	AcroRd32.exe
2080	AcroRd32.exe
2080	AcroRd32.exe
2080	AcroRd32.exe
2080	AcroRd32.exe
2080	AcroRd32.exe
2080	AcroRd32.exe
2080	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

AcroRd32.exe

pid process

2080 AcroRd32.exe
2080 AcroRd32.exe
2080 AcroRd32.exe
2080 AcroRd32.exe
2080 AcroRd32.exe
2080 AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

AcroRd32.exeRdrCEF.exe

description	pid	process	target process
PID 2080 wrote to memory of 4332	2080	AcroRd32.exe	RdrCEF.exe
PID 2080 wrote to memory of 4332	2080	AcroRd32.exe	RdrCEF.exe
PID 2080 wrote to memory of 4332	2080	AcroRd32.exe	RdrCEF.exe
PID 4332 wrote to memory of 4116	4332	RdrCEF.exe	RdrCEF.exe
PID 4332 wrote to memory of 4116	4332	RdrCEF.exe	RdrCEF.exe
PID 4332 wrote to memory of 4116	4332	RdrCEF.exe	RdrCEF.exe
PID 4332 wrote to memory of 4116	4332	RdrCEF.exe	RdrCEF.exe
PID 4332 wrote to memory of 4116	4332	RdrCEF.exe	RdrCEF.exe
PID 4332 wrote to memory of 4116	4332	RdrCEF.exe	RdrCEF.exe
PID 4332 wrote to memory of 4116	4332	RdrCEF.exe	RdrCEF.exe
PID 4332 wrote to memory of 4116	4332	RdrCEF.exe	RdrCEF.exe
PID 4332 wrote to memory of 4116	4332	RdrCEF.exe	RdrCEF.exe
PID 4332 wrote to memory of 4116	4332	RdrCEF.exe	RdrCEF.exe
PID 4332 wrote to memory of 4116	4332	RdrCEF.exe	RdrCEF.exe
PID 4332 wrote to memory of 4116	4332	RdrCEF.exe	RdrCEF.exe
PID 4332 wrote to memory of 4116	4332	RdrCEF.exe	RdrCEF.exe
PID 4332 wrote to memory of 4116	4332	RdrCEF.exe	RdrCEF.exe
PID 4332 wrote to memory of 4116	4332	RdrCEF.exe	RdrCEF.exe
PID 4332 wrote to memory of 4116	4332	RdrCEF.exe	RdrCEF.exe
PID 4332 wrote to memory of 4116	4332	RdrCEF.exe	RdrCEF.exe
PID 4332 wrote to memory of 4116	4332	RdrCEF.exe	RdrCEF.exe
PID 4332 wrote to memory of 4116	4332	RdrCEF.exe	RdrCEF.exe
PID 4332 wrote to memory of 4116	4332	RdrCEF.exe	RdrCEF.exe
PID 4332 wrote to memory of 4116	4332	RdrCEF.exe	RdrCEF.exe
PID 4332 wrote to memory of 4116	4332	RdrCEF.exe	RdrCEF.exe
PID 4332 wrote to memory of 4116	4332	RdrCEF.exe	RdrCEF.exe
PID 4332 wrote to memory of 4116	4332	RdrCEF.exe	RdrCEF.exe
PID 4332 wrote to memory of 4116	4332	RdrCEF.exe	RdrCEF.exe
PID 4332 wrote to memory of 4116	4332	RdrCEF.exe	RdrCEF.exe
PID 4332 wrote to memory of 4116	4332	RdrCEF.exe	RdrCEF.exe
PID 4332 wrote to memory of 4116	4332	RdrCEF.exe	RdrCEF.exe
PID 4332 wrote to memory of 4116	4332	RdrCEF.exe	RdrCEF.exe
PID 4332 wrote to memory of 4116	4332	RdrCEF.exe	RdrCEF.exe
PID 4332 wrote to memory of 4116	4332	RdrCEF.exe	RdrCEF.exe
PID 4332 wrote to memory of 4116	4332	RdrCEF.exe	RdrCEF.exe
PID 4332 wrote to memory of 4116	4332	RdrCEF.exe	RdrCEF.exe
PID 4332 wrote to memory of 4116	4332	RdrCEF.exe	RdrCEF.exe
PID 4332 wrote to memory of 4116	4332	RdrCEF.exe	RdrCEF.exe
PID 4332 wrote to memory of 4116	4332	RdrCEF.exe	RdrCEF.exe
PID 4332 wrote to memory of 4116	4332	RdrCEF.exe	RdrCEF.exe
PID 4332 wrote to memory of 4116	4332	RdrCEF.exe	RdrCEF.exe
PID 4332 wrote to memory of 4116	4332	RdrCEF.exe	RdrCEF.exe
PID 4332 wrote to memory of 4116	4332	RdrCEF.exe	RdrCEF.exe
PID 4332 wrote to memory of 4116	4332	RdrCEF.exe	RdrCEF.exe
PID 4332 wrote to memory of 4508	4332	RdrCEF.exe	RdrCEF.exe
PID 4332 wrote to memory of 4508	4332	RdrCEF.exe	RdrCEF.exe
PID 4332 wrote to memory of 4508	4332	RdrCEF.exe	RdrCEF.exe
PID 4332 wrote to memory of 4508	4332	RdrCEF.exe	RdrCEF.exe
PID 4332 wrote to memory of 4508	4332	RdrCEF.exe	RdrCEF.exe
PID 4332 wrote to memory of 4508	4332	RdrCEF.exe	RdrCEF.exe
PID 4332 wrote to memory of 4508	4332	RdrCEF.exe	RdrCEF.exe
PID 4332 wrote to memory of 4508	4332	RdrCEF.exe	RdrCEF.exe
PID 4332 wrote to memory of 4508	4332	RdrCEF.exe	RdrCEF.exe
PID 4332 wrote to memory of 4508	4332	RdrCEF.exe	RdrCEF.exe
PID 4332 wrote to memory of 4508	4332	RdrCEF.exe	RdrCEF.exe
PID 4332 wrote to memory of 4508	4332	RdrCEF.exe	RdrCEF.exe
PID 4332 wrote to memory of 4508	4332	RdrCEF.exe	RdrCEF.exe
PID 4332 wrote to memory of 4508	4332	RdrCEF.exe	RdrCEF.exe
PID 4332 wrote to memory of 4508	4332	RdrCEF.exe	RdrCEF.exe
PID 4332 wrote to memory of 4508	4332	RdrCEF.exe	RdrCEF.exe
PID 4332 wrote to memory of 4508	4332	RdrCEF.exe	RdrCEF.exe
PID 4332 wrote to memory of 4508	4332	RdrCEF.exe	RdrCEF.exe
PID 4332 wrote to memory of 4508	4332	RdrCEF.exe	RdrCEF.exe
PID 4332 wrote to memory of 4508	4332	RdrCEF.exe	RdrCEF.exe

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\Payload\ESign.app\Assets.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2080

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:4332

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=E7D2F3D31AE88C56410E0C8624B913A1 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:4116

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=4E90F3973A7E3C9A25EE186EB1D5D0F8 --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=4E90F3973A7E3C9A25EE186EB1D5D0F8 --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
3⤵
PID:4508

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=ED649794ED5E9CA4D5228A901B26568D --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:3388

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=B6D039A46C83301FE04A9CA5FC83437F --mojo-platform-channel-handle=1972 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:4376

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=CD73B7294146D40BB14763A767939711 --mojo-platform-channel-handle=1860 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:3496

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1276

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
6dca0240f2cf1c8d2e39bd955f86536e

SHA1
203104fc51e08b10fadfbd63056646eea557edc7

SHA256
4372e39a6131a727f2dee3385f671f09d246bb5c705c5c88fa33aa10d540ebb9

SHA512
f321fa633480e34d29048f5aabc6af0b3eb9e775a77b6983bdad4e929e7b2691fd31a649f6f58ad6b0c96f050459120a70a715c555b1bc8f9bf1eda838041643

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/2080-126-0x000000000A090000-0x000000000A33B000-memory.dmp

Filesize
2.7MB

Download