ff320cb28d20844a224c2d537341bb99e80a08ac11c783eee8b1115ad659ab1c

Resubmissions

01/07/2024, 02:44

240701-c76e4axclp

01/07/2024, 02:39

240701-c5m6qstdqe4

Analysis

max time kernel
147s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
01/07/2024, 02:39

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General

Target
Benefits & Compensation Letter For Skgcs Ops_GTDEFPPKILJROOT.pdf
Size 29KB
Sample240701-c5m6qstdqe
SHA256 ff320cb28d20844a224c2d537341bb99e80a08ac11c783eee8b1115ad659ab1c
MD5 b603adccb7e31a4941c456a8f4f9ab3a
SHA1 1bfb0faf333b3ae1f3f4af68b71621a47a4f483a
SHA512 bfff40882efda50e6fbac035f6a171da3da49d91c8c9fc7ef57c4652261c1180b340b2c0a273b50ad8352c18bedd9d8ab86dcade87e38036ad419c18718927c7
SSDEEP 768:Bs97XcbPttWmGN++w7w8OsuDC8WRKrQlsq3Dl5ZD:B+XpS7w8z6Wg0SIDrZD
MD5 SHA1 SHA512 SSDEEP

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-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2588	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2588	AcroRd32.exe
2588	AcroRd32.exe
2588	AcroRd32.exe
2588	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2588 wrote to memory of 3388	2588	AcroRd32.exe	81
PID 2588 wrote to memory of 3388	2588	AcroRd32.exe	81
PID 2588 wrote to memory of 3388	2588	AcroRd32.exe	81
PID 3388 wrote to memory of 3672	3388	RdrCEF.exe	82
PID 3388 wrote to memory of 3672	3388	RdrCEF.exe	82
PID 3388 wrote to memory of 3672	3388	RdrCEF.exe	82
PID 3388 wrote to memory of 3672	3388	RdrCEF.exe	82
PID 3388 wrote to memory of 3672	3388	RdrCEF.exe	82
PID 3388 wrote to memory of 3672	3388	RdrCEF.exe	82
PID 3388 wrote to memory of 3672	3388	RdrCEF.exe	82
PID 3388 wrote to memory of 3672	3388	RdrCEF.exe	82
PID 3388 wrote to memory of 3672	3388	RdrCEF.exe	82
PID 3388 wrote to memory of 3672	3388	RdrCEF.exe	82
PID 3388 wrote to memory of 3672	3388	RdrCEF.exe	82
PID 3388 wrote to memory of 3672	3388	RdrCEF.exe	82
PID 3388 wrote to memory of 3672	3388	RdrCEF.exe	82
PID 3388 wrote to memory of 3672	3388	RdrCEF.exe	82
PID 3388 wrote to memory of 3672	3388	RdrCEF.exe	82
PID 3388 wrote to memory of 3672	3388	RdrCEF.exe	82
PID 3388 wrote to memory of 3672	3388	RdrCEF.exe	82
PID 3388 wrote to memory of 3672	3388	RdrCEF.exe	82
PID 3388 wrote to memory of 3672	3388	RdrCEF.exe	82
PID 3388 wrote to memory of 3672	3388	RdrCEF.exe	82
PID 3388 wrote to memory of 3672	3388	RdrCEF.exe	82
PID 3388 wrote to memory of 3672	3388	RdrCEF.exe	82
PID 3388 wrote to memory of 3672	3388	RdrCEF.exe	82
PID 3388 wrote to memory of 3672	3388	RdrCEF.exe	82
PID 3388 wrote to memory of 3672	3388	RdrCEF.exe	82
PID 3388 wrote to memory of 3672	3388	RdrCEF.exe	82
PID 3388 wrote to memory of 3672	3388	RdrCEF.exe	82
PID 3388 wrote to memory of 3672	3388	RdrCEF.exe	82
PID 3388 wrote to memory of 3672	3388	RdrCEF.exe	82
PID 3388 wrote to memory of 3672	3388	RdrCEF.exe	82
PID 3388 wrote to memory of 3672	3388	RdrCEF.exe	82
PID 3388 wrote to memory of 3672	3388	RdrCEF.exe	82
PID 3388 wrote to memory of 3672	3388	RdrCEF.exe	82
PID 3388 wrote to memory of 3672	3388	RdrCEF.exe	82
PID 3388 wrote to memory of 3672	3388	RdrCEF.exe	82
PID 3388 wrote to memory of 3672	3388	RdrCEF.exe	82
PID 3388 wrote to memory of 3672	3388	RdrCEF.exe	82
PID 3388 wrote to memory of 3672	3388	RdrCEF.exe	82
PID 3388 wrote to memory of 3672	3388	RdrCEF.exe	82
PID 3388 wrote to memory of 3672	3388	RdrCEF.exe	82
PID 3388 wrote to memory of 3672	3388	RdrCEF.exe	82
PID 3388 wrote to memory of 1560	3388	RdrCEF.exe	83
PID 3388 wrote to memory of 1560	3388	RdrCEF.exe	83
PID 3388 wrote to memory of 1560	3388	RdrCEF.exe	83
PID 3388 wrote to memory of 1560	3388	RdrCEF.exe	83
PID 3388 wrote to memory of 1560	3388	RdrCEF.exe	83
PID 3388 wrote to memory of 1560	3388	RdrCEF.exe	83
PID 3388 wrote to memory of 1560	3388	RdrCEF.exe	83
PID 3388 wrote to memory of 1560	3388	RdrCEF.exe	83
PID 3388 wrote to memory of 1560	3388	RdrCEF.exe	83
PID 3388 wrote to memory of 1560	3388	RdrCEF.exe	83
PID 3388 wrote to memory of 1560	3388	RdrCEF.exe	83
PID 3388 wrote to memory of 1560	3388	RdrCEF.exe	83
PID 3388 wrote to memory of 1560	3388	RdrCEF.exe	83
PID 3388 wrote to memory of 1560	3388	RdrCEF.exe	83
PID 3388 wrote to memory of 1560	3388	RdrCEF.exe	83
PID 3388 wrote to memory of 1560	3388	RdrCEF.exe	83
PID 3388 wrote to memory of 1560	3388	RdrCEF.exe	83
PID 3388 wrote to memory of 1560	3388	RdrCEF.exe	83
PID 3388 wrote to memory of 1560	3388	RdrCEF.exe	83
PID 3388 wrote to memory of 1560	3388	RdrCEF.exe	83

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\Benefits & Compensation Letter For Skgcs Ops_GTDEFPPKILJROOT.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2588
- 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: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=7C9E7C0D7A81C23C303229F91C4D7814 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3672
- - 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=EF68B3D5A851D3844E3F224AF8508990 --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=EF68B3D5A851D3844E3F224AF8508990 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1560
- - 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=6F5036FDB3FA998F76B2352FDD25C302 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4176
- - 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=324E9458D583BB3D4CCEF3D849224D1F --mojo-platform-channel-handle=1876 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1612
- - 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=A256EFB96BE116E93E5991086D456766 --mojo-platform-channel-handle=1848 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2832
- - 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=BAB0870C81314A2A219D6163E8542156 --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=BAB0870C81314A2A219D6163E8542156 --renderer-client-id=7 --mojo-platform-channel-handle=1836 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2016

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

ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 64KB
SHA256 36ee3cf24ee24db80f7986b4ee07efe31b5b4b66f50657ed3b2372e38e0c5aeb
MD5 5abe0d21f0a0b51c583627b77e6e0498
SHA1 8e26165253e9fa1ce356c0aa6f3860ceaeb43c3e
SHA512 e67c5042fe54aa5c2370da549e97ac420e35eae9a37b397854368e4a18b786e92063e717301a1bc5793251784c883e9547b99912824e657a1065e41854e79615
SSDEEP 384:yeMdThP0tELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:20+elZsLQCZsL3hUS4
MD5 SHA1 SHA512 SSDEEP

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