dcf29ec53236bf6c9132022460e10ae1affd668814e3ebba89b3c869c20f5cff

General

Target

Kover_Laszlo_Letter.pdf
Size

84KB
MD5

d2805fbcd95f97a814d64f58409d79de
SHA1

1c0c114fe1ad502f4f4c39193a8733b35428a865
SHA256

3732ea756faf4779f46e0f06720ca7ca83c4a629a98dd7c2a9918d1e5a3fc155
SHA512

5506046560a472da2e5362f6b7ea0c0d5632558a33de69e9e48a41f856aef5b56d65090dc65aef228c6e019e38f9ac12276bc960a149021c0eb102c430181f10

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-1-5-21-3686645723-710336880-414668232-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

AcroRd32.exe

pid	process
508	AcroRd32.exe
508	AcroRd32.exe
508	AcroRd32.exe
508	AcroRd32.exe
508	AcroRd32.exe
508	AcroRd32.exe
508	AcroRd32.exe
508	AcroRd32.exe
508	AcroRd32.exe
508	AcroRd32.exe
508	AcroRd32.exe
508	AcroRd32.exe
508	AcroRd32.exe
508	AcroRd32.exe
508	AcroRd32.exe
508	AcroRd32.exe
508	AcroRd32.exe
508	AcroRd32.exe
508	AcroRd32.exe
508	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

AcroRd32.exe

pid process

508 AcroRd32.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

AcroRd32.exe

pid process

508 AcroRd32.exe
508 AcroRd32.exe
508 AcroRd32.exe
508 AcroRd32.exe
508 AcroRd32.exe
508 AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

AcroRd32.exeRdrCEF.exe

description	pid	process	target process
PID 508 wrote to memory of 3988	508	AcroRd32.exe	RdrCEF.exe
PID 508 wrote to memory of 3988	508	AcroRd32.exe	RdrCEF.exe
PID 508 wrote to memory of 3988	508	AcroRd32.exe	RdrCEF.exe
PID 3988 wrote to memory of 2116	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 2116	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 2116	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 2116	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 2116	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 2116	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 2116	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 2116	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 2116	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 2116	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 2116	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 2116	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 2116	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 2116	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 2116	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 2116	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 2116	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 2116	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 2116	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 2116	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 2116	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 2116	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 2116	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 2116	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 2116	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 2116	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 2116	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 2116	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 2116	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 2116	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 2116	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 2116	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 2116	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 2116	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 2116	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 2116	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 2116	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 2116	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 2116	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 2116	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 2116	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 1684	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 1684	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 1684	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 1684	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 1684	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 1684	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 1684	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 1684	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 1684	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 1684	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 1684	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 1684	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 1684	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 1684	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 1684	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 1684	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 1684	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 1684	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 1684	3988	RdrCEF.exe	RdrCEF.exe
PID 3988 wrote to memory of 1684	3988	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\Kover_Laszlo_Letter.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:508

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:3988

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=A70CB23A168FF18EDBD475986AB88D96 --mojo-platform-channel-handle=1628 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:2116

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=9E002164D2404CACF6E5E86C158A280F --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=1 --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=9E002164D2404CACF6E5E86C158A280F --renderer-client-id=2 --mojo-platform-channel-handle=1636 --allow-no-sandbox-job /prefetch:1
3⤵
PID:1684

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=EE0CABE2F71A88FA7551F09B093CB074 --mojo-platform-channel-handle=2228 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:3968

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=E50C6B4069EF41E6511CC707165B09A2 --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=1 --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=E50C6B4069EF41E6511CC707165B09A2 --renderer-client-id=5 --mojo-platform-channel-handle=1812 --allow-no-sandbox-job /prefetch:1
3⤵
PID:3548

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=38462DFBE6422ABF642B5EB4625FAC94 --mojo-platform-channel-handle=2568 --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=5133DBB522CA4ADABC5A0492089CDFD8 --mojo-platform-channel-handle=2240 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:4280

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/1684-121-0x0000000000000000-mapping.dmp

Download
memory/1684-118-0x0000000077372000-0x000000007737200C-memory.dmp

Filesize
12B

Download
memory/2116-117-0x0000000000000000-mapping.dmp

Download
memory/2116-115-0x0000000077372000-0x000000007737200C-memory.dmp

Filesize
12B

Download
memory/3548-129-0x0000000077372000-0x000000007737200C-memory.dmp

Filesize
12B

Download
memory/3548-131-0x0000000000000000-mapping.dmp

Download
memory/3968-125-0x0000000077372000-0x000000007737200C-memory.dmp

Filesize
12B

Download
memory/3968-127-0x0000000000000000-mapping.dmp

Download
memory/3988-114-0x0000000000000000-mapping.dmp

Download
memory/4176-135-0x0000000077372000-0x000000007737200C-memory.dmp

Filesize
12B

Download
memory/4176-137-0x0000000000000000-mapping.dmp

Download
memory/4280-139-0x0000000077372000-0x000000007737200C-memory.dmp

Filesize
12B

Download
memory/4280-141-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads