f6fff09bb64a5faaee8c7c07aadac73d62f12f9e1695f8db7686a3748871ee55

Analysis

max time kernel
150s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
12/03/2024, 17:48

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General

Target

c3fa125819a90825471ac72cf5ef969a.pdf
Size

89KB
MD5

c3fa125819a90825471ac72cf5ef969a
SHA1

6ae2e1a9ae10b3a8431137396c596cd3855768d6
SHA256

f6fff09bb64a5faaee8c7c07aadac73d62f12f9e1695f8db7686a3748871ee55
SHA512

0a2b67e47feee4f86eee118f1c08337c62c7955d3c0e3fcb22eb2d3795d62f9cffe9e0bd1660e1d881df8258474e0af6e4b2644e5f0e31cf356b5e87f8e0a0f9
SSDEEP

1536:tWBSXKyT4OhGVs8jH2WAtXpq3BR11ExxIpTNWRlMrPl+W0pOd+EEFJ5P:wBaTnKs8D2ztZ6ELIpT0MDlBd+h7

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-1-5-21-2727153400-192325109-1870347593-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3448	AcroRd32.exe
3448	AcroRd32.exe
3448	AcroRd32.exe
3448	AcroRd32.exe
3448	AcroRd32.exe
3448	AcroRd32.exe
3448	AcroRd32.exe
3448	AcroRd32.exe
3448	AcroRd32.exe
3448	AcroRd32.exe
3448	AcroRd32.exe
3448	AcroRd32.exe
3448	AcroRd32.exe
3448	AcroRd32.exe
3448	AcroRd32.exe
3448	AcroRd32.exe
3448	AcroRd32.exe
3448	AcroRd32.exe
3448	AcroRd32.exe
3448	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3448	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3448	AcroRd32.exe
3448	AcroRd32.exe
3448	AcroRd32.exe
3448	AcroRd32.exe
3448	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3448 wrote to memory of 2284	3448	AcroRd32.exe	93
PID 3448 wrote to memory of 2284	3448	AcroRd32.exe	93
PID 3448 wrote to memory of 2284	3448	AcroRd32.exe	93
PID 2284 wrote to memory of 4152	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4152	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4152	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4152	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4152	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4152	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4152	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4152	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4152	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4152	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4152	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4152	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4152	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4152	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4152	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4152	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4152	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4152	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4152	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4152	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4152	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4152	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4152	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4152	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4152	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4152	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4152	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4152	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4152	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4152	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4152	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4152	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4152	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4152	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4152	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4152	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4152	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4152	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4152	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4152	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4152	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 3832	2284	RdrCEF.exe	95
PID 2284 wrote to memory of 3832	2284	RdrCEF.exe	95
PID 2284 wrote to memory of 3832	2284	RdrCEF.exe	95
PID 2284 wrote to memory of 3832	2284	RdrCEF.exe	95
PID 2284 wrote to memory of 3832	2284	RdrCEF.exe	95
PID 2284 wrote to memory of 3832	2284	RdrCEF.exe	95
PID 2284 wrote to memory of 3832	2284	RdrCEF.exe	95
PID 2284 wrote to memory of 3832	2284	RdrCEF.exe	95
PID 2284 wrote to memory of 3832	2284	RdrCEF.exe	95
PID 2284 wrote to memory of 3832	2284	RdrCEF.exe	95
PID 2284 wrote to memory of 3832	2284	RdrCEF.exe	95
PID 2284 wrote to memory of 3832	2284	RdrCEF.exe	95
PID 2284 wrote to memory of 3832	2284	RdrCEF.exe	95
PID 2284 wrote to memory of 3832	2284	RdrCEF.exe	95
PID 2284 wrote to memory of 3832	2284	RdrCEF.exe	95
PID 2284 wrote to memory of 3832	2284	RdrCEF.exe	95
PID 2284 wrote to memory of 3832	2284	RdrCEF.exe	95
PID 2284 wrote to memory of 3832	2284	RdrCEF.exe	95
PID 2284 wrote to memory of 3832	2284	RdrCEF.exe	95
PID 2284 wrote to memory of 3832	2284	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\c3fa125819a90825471ac72cf5ef969a.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:3448
- 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:2284
- - 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=46420AFA0D35A408071414BC8AC7118E --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4152
- - 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=D06E505BCA9FF3B968148FC69F0C962F --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=D06E505BCA9FF3B968148FC69F0C962F --renderer-client-id=2 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3832
- - 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=F118B8191E15DF9C9247B97FAF47EB85 --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=F118B8191E15DF9C9247B97FAF47EB85 --renderer-client-id=4 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1008
- - 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=7BB6F9744E08174A0A4F3A8B423918C0 --mojo-platform-channel-handle=2544 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4172
- - 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=308210F144B5DEED696D4845CBB57F64 --mojo-platform-channel-handle=1964 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1148
- - 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=D7B10A0DCD36F407F97EA30773C704AF --mojo-platform-channel-handle=1968 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3104

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4600

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
f1bd3b3391e30f3d38842658a3142408

SHA1
142272ee59e8e9c98f6663bcf303dd6d36a90bd1

SHA256
10dccfc05318e65af62b3ed6f542a4807b95380c6cabb3a365bb7b72d34cfb8e

SHA512
e7edcc98da6ed5e370916d3385bec794d350028736b16ed00fb56ed99e789e0aab7f84f9392eef9f9d4dd47c363999be145c479c958d68945272672cc99f3550

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/3448-28-0x0000000008E90000-0x0000000008EB1000-memory.dmp

Filesize
132KB

Download
memory/3448-134-0x000000000C8B0000-0x000000000C9FD000-memory.dmp

Filesize
1.3MB

Download