14a4a930766d8592a29c47b9febe41068357126372ce587d7ed0bb9c355c9437

Analysis

max time kernel
142s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26-01-2024 23:27

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General

Target

78ab7f1a13d0563bcc22cedb76906407.pdf
Size

13KB
MD5

78ab7f1a13d0563bcc22cedb76906407
SHA1

4c14fe1f6dd021ec2fc4fc4a4135dff55835d20f
SHA256

14a4a930766d8592a29c47b9febe41068357126372ce587d7ed0bb9c355c9437
SHA512

c29c8bd8c5f144ab6d427f54975f9577f10ada53462386fbea956261e37957535b13baace1a86e6d6c3b0823c7fe95540d7c4ef05b60a0cf10e4519a75c71deb
SSDEEP

384:shzaNwAO9GiM5fdtttpPQi/60G78s4djN:khZGiM5fdttttQC6d8si

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-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2456	AcroRd32.exe
2456	AcroRd32.exe
2456	AcroRd32.exe
2456	AcroRd32.exe
2456	AcroRd32.exe
2456	AcroRd32.exe
2456	AcroRd32.exe
2456	AcroRd32.exe
2456	AcroRd32.exe
2456	AcroRd32.exe
2456	AcroRd32.exe
2456	AcroRd32.exe
2456	AcroRd32.exe
2456	AcroRd32.exe
2456	AcroRd32.exe
2456	AcroRd32.exe
2456	AcroRd32.exe
2456	AcroRd32.exe
2456	AcroRd32.exe
2456	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2456	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2456	AcroRd32.exe
2456	AcroRd32.exe
2456	AcroRd32.exe
2456	AcroRd32.exe
2456	AcroRd32.exe
2456	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2456 wrote to memory of 3424	2456	AcroRd32.exe	91
PID 2456 wrote to memory of 3424	2456	AcroRd32.exe	91
PID 2456 wrote to memory of 3424	2456	AcroRd32.exe	91
PID 3424 wrote to memory of 4180	3424	RdrCEF.exe	93
PID 3424 wrote to memory of 4180	3424	RdrCEF.exe	93
PID 3424 wrote to memory of 4180	3424	RdrCEF.exe	93
PID 3424 wrote to memory of 4180	3424	RdrCEF.exe	93
PID 3424 wrote to memory of 4180	3424	RdrCEF.exe	93
PID 3424 wrote to memory of 4180	3424	RdrCEF.exe	93
PID 3424 wrote to memory of 4180	3424	RdrCEF.exe	93
PID 3424 wrote to memory of 4180	3424	RdrCEF.exe	93
PID 3424 wrote to memory of 4180	3424	RdrCEF.exe	93
PID 3424 wrote to memory of 4180	3424	RdrCEF.exe	93
PID 3424 wrote to memory of 4180	3424	RdrCEF.exe	93
PID 3424 wrote to memory of 4180	3424	RdrCEF.exe	93
PID 3424 wrote to memory of 4180	3424	RdrCEF.exe	93
PID 3424 wrote to memory of 4180	3424	RdrCEF.exe	93
PID 3424 wrote to memory of 4180	3424	RdrCEF.exe	93
PID 3424 wrote to memory of 4180	3424	RdrCEF.exe	93
PID 3424 wrote to memory of 4180	3424	RdrCEF.exe	93
PID 3424 wrote to memory of 4180	3424	RdrCEF.exe	93
PID 3424 wrote to memory of 4180	3424	RdrCEF.exe	93
PID 3424 wrote to memory of 4180	3424	RdrCEF.exe	93
PID 3424 wrote to memory of 4180	3424	RdrCEF.exe	93
PID 3424 wrote to memory of 4180	3424	RdrCEF.exe	93
PID 3424 wrote to memory of 4180	3424	RdrCEF.exe	93
PID 3424 wrote to memory of 4180	3424	RdrCEF.exe	93
PID 3424 wrote to memory of 4180	3424	RdrCEF.exe	93
PID 3424 wrote to memory of 4180	3424	RdrCEF.exe	93
PID 3424 wrote to memory of 4180	3424	RdrCEF.exe	93
PID 3424 wrote to memory of 4180	3424	RdrCEF.exe	93
PID 3424 wrote to memory of 4180	3424	RdrCEF.exe	93
PID 3424 wrote to memory of 4180	3424	RdrCEF.exe	93
PID 3424 wrote to memory of 4180	3424	RdrCEF.exe	93
PID 3424 wrote to memory of 4180	3424	RdrCEF.exe	93
PID 3424 wrote to memory of 4180	3424	RdrCEF.exe	93
PID 3424 wrote to memory of 4180	3424	RdrCEF.exe	93
PID 3424 wrote to memory of 4180	3424	RdrCEF.exe	93
PID 3424 wrote to memory of 4180	3424	RdrCEF.exe	93
PID 3424 wrote to memory of 4180	3424	RdrCEF.exe	93
PID 3424 wrote to memory of 4180	3424	RdrCEF.exe	93
PID 3424 wrote to memory of 4180	3424	RdrCEF.exe	93
PID 3424 wrote to memory of 4180	3424	RdrCEF.exe	93
PID 3424 wrote to memory of 4180	3424	RdrCEF.exe	93
PID 3424 wrote to memory of 4960	3424	RdrCEF.exe	94
PID 3424 wrote to memory of 4960	3424	RdrCEF.exe	94
PID 3424 wrote to memory of 4960	3424	RdrCEF.exe	94
PID 3424 wrote to memory of 4960	3424	RdrCEF.exe	94
PID 3424 wrote to memory of 4960	3424	RdrCEF.exe	94
PID 3424 wrote to memory of 4960	3424	RdrCEF.exe	94
PID 3424 wrote to memory of 4960	3424	RdrCEF.exe	94
PID 3424 wrote to memory of 4960	3424	RdrCEF.exe	94
PID 3424 wrote to memory of 4960	3424	RdrCEF.exe	94
PID 3424 wrote to memory of 4960	3424	RdrCEF.exe	94
PID 3424 wrote to memory of 4960	3424	RdrCEF.exe	94
PID 3424 wrote to memory of 4960	3424	RdrCEF.exe	94
PID 3424 wrote to memory of 4960	3424	RdrCEF.exe	94
PID 3424 wrote to memory of 4960	3424	RdrCEF.exe	94
PID 3424 wrote to memory of 4960	3424	RdrCEF.exe	94
PID 3424 wrote to memory of 4960	3424	RdrCEF.exe	94
PID 3424 wrote to memory of 4960	3424	RdrCEF.exe	94
PID 3424 wrote to memory of 4960	3424	RdrCEF.exe	94
PID 3424 wrote to memory of 4960	3424	RdrCEF.exe	94
PID 3424 wrote to memory of 4960	3424	RdrCEF.exe	94

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\78ab7f1a13d0563bcc22cedb76906407.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:2456
- 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:3424
- - 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=CD10ABBB99CD755C37D1BDA54B68F702 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4180
- - 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=CB54AD696A2BAB3A0694FA78D4D94F2E --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=CB54AD696A2BAB3A0694FA78D4D94F2E --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4960
- - 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=A4CCEE28147D9CB60E2C1689B6D2EA61 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3648
- - 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=3EF58450BE319CC93B3B3BB8DE8D61CE --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=3EF58450BE319CC93B3B3BB8DE8D61CE --renderer-client-id=5 --mojo-platform-channel-handle=2340 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1436
- - 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=03C434897A2951509F8D4AF3C89424EF --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2448
- - 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=D29BED4036806ABDAAC8794F136CA56C --mojo-platform-channel-handle=2604 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1208

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4912

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
abbb2aa96385b3a633bda03b2de22d25

SHA1
bfaed62100c277960070f16a49a5baaf1a758193

SHA256
3386194979933de4b25faa17d9ac374c00a73c36dce07ae9ad9528078c725f65

SHA512
098f03e016ff286f679208b348229e86872d9ebbeb60c7c20e054ab6f638e86f4223d8fd2aef270b7f2e1cebaf37e9e4c0a07a4c6e14b0e06db47ae26cb014fe

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