f7c563cbffe1e7a35ccdde44efdd4a9fb8910aad4d05d4b7de801e662993bdcf

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
05/01/2024, 20:15

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General

Target

4457332709f943c1e8f47920dcd5d8d2.pdf
Size

90KB
MD5

4457332709f943c1e8f47920dcd5d8d2
SHA1

56b07ebe7fa55444a72f4beda9efe1630f5ea79a
SHA256

f7c563cbffe1e7a35ccdde44efdd4a9fb8910aad4d05d4b7de801e662993bdcf
SHA512

5f4776b617af27b203208a3f0ef9070537949f5424486f86b3dc7fcedc8e9e9eb07f2fa753d7646e80b781a838a8dcd062f32685d36e6ebc8a3a4e0a7db03d8b
SSDEEP

1536:7YRll819/ZYpyL9SHfp/jyKVlBNdD5un7Uz1wWGpOKCWDWWoMiGkki:8RlloxYiSHfpr3fBAncKYJM1G

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4560	AcroRd32.exe
4560	AcroRd32.exe
4560	AcroRd32.exe
4560	AcroRd32.exe
4560	AcroRd32.exe
4560	AcroRd32.exe
4560	AcroRd32.exe
4560	AcroRd32.exe
4560	AcroRd32.exe
4560	AcroRd32.exe
4560	AcroRd32.exe
4560	AcroRd32.exe
4560	AcroRd32.exe
4560	AcroRd32.exe
4560	AcroRd32.exe
4560	AcroRd32.exe
4560	AcroRd32.exe
4560	AcroRd32.exe
4560	AcroRd32.exe
4560	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4560	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4560	AcroRd32.exe
4560	AcroRd32.exe
4560	AcroRd32.exe
4560	AcroRd32.exe
4560	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4560 wrote to memory of 2792	4560	AcroRd32.exe	93
PID 4560 wrote to memory of 2792	4560	AcroRd32.exe	93
PID 4560 wrote to memory of 2792	4560	AcroRd32.exe	93
PID 2792 wrote to memory of 60	2792	RdrCEF.exe	95
PID 2792 wrote to memory of 60	2792	RdrCEF.exe	95
PID 2792 wrote to memory of 60	2792	RdrCEF.exe	95
PID 2792 wrote to memory of 60	2792	RdrCEF.exe	95
PID 2792 wrote to memory of 60	2792	RdrCEF.exe	95
PID 2792 wrote to memory of 60	2792	RdrCEF.exe	95
PID 2792 wrote to memory of 60	2792	RdrCEF.exe	95
PID 2792 wrote to memory of 60	2792	RdrCEF.exe	95
PID 2792 wrote to memory of 60	2792	RdrCEF.exe	95
PID 2792 wrote to memory of 60	2792	RdrCEF.exe	95
PID 2792 wrote to memory of 60	2792	RdrCEF.exe	95
PID 2792 wrote to memory of 60	2792	RdrCEF.exe	95
PID 2792 wrote to memory of 60	2792	RdrCEF.exe	95
PID 2792 wrote to memory of 60	2792	RdrCEF.exe	95
PID 2792 wrote to memory of 60	2792	RdrCEF.exe	95
PID 2792 wrote to memory of 60	2792	RdrCEF.exe	95
PID 2792 wrote to memory of 60	2792	RdrCEF.exe	95
PID 2792 wrote to memory of 60	2792	RdrCEF.exe	95
PID 2792 wrote to memory of 60	2792	RdrCEF.exe	95
PID 2792 wrote to memory of 60	2792	RdrCEF.exe	95
PID 2792 wrote to memory of 60	2792	RdrCEF.exe	95
PID 2792 wrote to memory of 60	2792	RdrCEF.exe	95
PID 2792 wrote to memory of 60	2792	RdrCEF.exe	95
PID 2792 wrote to memory of 60	2792	RdrCEF.exe	95
PID 2792 wrote to memory of 60	2792	RdrCEF.exe	95
PID 2792 wrote to memory of 60	2792	RdrCEF.exe	95
PID 2792 wrote to memory of 60	2792	RdrCEF.exe	95
PID 2792 wrote to memory of 60	2792	RdrCEF.exe	95
PID 2792 wrote to memory of 60	2792	RdrCEF.exe	95
PID 2792 wrote to memory of 60	2792	RdrCEF.exe	95
PID 2792 wrote to memory of 60	2792	RdrCEF.exe	95
PID 2792 wrote to memory of 60	2792	RdrCEF.exe	95
PID 2792 wrote to memory of 60	2792	RdrCEF.exe	95
PID 2792 wrote to memory of 60	2792	RdrCEF.exe	95
PID 2792 wrote to memory of 60	2792	RdrCEF.exe	95
PID 2792 wrote to memory of 60	2792	RdrCEF.exe	95
PID 2792 wrote to memory of 60	2792	RdrCEF.exe	95
PID 2792 wrote to memory of 60	2792	RdrCEF.exe	95
PID 2792 wrote to memory of 60	2792	RdrCEF.exe	95
PID 2792 wrote to memory of 60	2792	RdrCEF.exe	95
PID 2792 wrote to memory of 60	2792	RdrCEF.exe	95
PID 2792 wrote to memory of 1584	2792	RdrCEF.exe	94
PID 2792 wrote to memory of 1584	2792	RdrCEF.exe	94
PID 2792 wrote to memory of 1584	2792	RdrCEF.exe	94
PID 2792 wrote to memory of 1584	2792	RdrCEF.exe	94
PID 2792 wrote to memory of 1584	2792	RdrCEF.exe	94
PID 2792 wrote to memory of 1584	2792	RdrCEF.exe	94
PID 2792 wrote to memory of 1584	2792	RdrCEF.exe	94
PID 2792 wrote to memory of 1584	2792	RdrCEF.exe	94
PID 2792 wrote to memory of 1584	2792	RdrCEF.exe	94
PID 2792 wrote to memory of 1584	2792	RdrCEF.exe	94
PID 2792 wrote to memory of 1584	2792	RdrCEF.exe	94
PID 2792 wrote to memory of 1584	2792	RdrCEF.exe	94
PID 2792 wrote to memory of 1584	2792	RdrCEF.exe	94
PID 2792 wrote to memory of 1584	2792	RdrCEF.exe	94
PID 2792 wrote to memory of 1584	2792	RdrCEF.exe	94
PID 2792 wrote to memory of 1584	2792	RdrCEF.exe	94
PID 2792 wrote to memory of 1584	2792	RdrCEF.exe	94
PID 2792 wrote to memory of 1584	2792	RdrCEF.exe	94
PID 2792 wrote to memory of 1584	2792	RdrCEF.exe	94
PID 2792 wrote to memory of 1584	2792	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\4457332709f943c1e8f47920dcd5d8d2.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:4560
- 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:2792
- - 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=13F3C1FEEEB1E769FE028FA1140EC879 --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=13F3C1FEEEB1E769FE028FA1140EC879 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1584
- - 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=BCBD1A29DB4AB11D6623598E9FFF6C41 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:60
- - 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=7EED0E497A1755F5E899F6759AC38E95 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4780
- - 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=4A4E5945D3ACEEC180A698B50B668F30 --mojo-platform-channel-handle=2420 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:896
- - 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=F20E43C422ADB8B1379202DFFE1F8B35 --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=F20E43C422ADB8B1379202DFFE1F8B35 --renderer-client-id=6 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2540
- - 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=5BA1F9C17F1512632003CC09FC535308 --mojo-platform-channel-handle=1912 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4596

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4488

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
8e751181e30c1aa1d609b5bce98a84ce

SHA1
01e5b8771b71b6218ac2af8219ade293f61bd1ae

SHA256
a237ba5c87a45356a242154c9558bfa02875d61c2b94c737bc25ce2665cf4110

SHA512
5159a704298bdb1dfc8db2422d38b111619f651af258a0f15778c545f750d7ca02c565e760a26861eefa96091b08a673d8d0d18c4551e2f62757911e4c4cc163

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

Filesize
56KB

MD5
c26ed30e7d5ab440480838636efc41db

SHA1
c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591

SHA256
6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef

SHA512
96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit