78769e4085312f21cc67e77bfdd136f9a30d34e2d2a5d8870f2ebbeb7c3a8f7e

Analysis

max time kernel
120s
max time network
174s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
21-05-2022 11:11

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General

Target

malware-analysis-writeups-master/agent-tesla-loader/agentTeslaLoader.pdf
Size

211KB
MD5

52a40a884d1991641a23050567c2b7f6
SHA1

5aeabf4c67bcabe603d03e09063d823177292453
SHA256

65f46082265d7fd011f82d91c9b994a583ed17ec6b87380dcd0c7b62ba17b9e7
SHA512

443447d5ef2f9cfe1f7dbac0027313b4bd49f6b81bb8fc908ff758e280aa9337ba2ebd8f4d114ba949631d643864f6c8cc458c88c35337f79e105fd405c8492b

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-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 18 IoCs

Processes:

AcroRd32.exe

pid	process
3436	AcroRd32.exe
3436	AcroRd32.exe
3436	AcroRd32.exe
3436	AcroRd32.exe
3436	AcroRd32.exe
3436	AcroRd32.exe
3436	AcroRd32.exe
3436	AcroRd32.exe
3436	AcroRd32.exe
3436	AcroRd32.exe
3436	AcroRd32.exe
3436	AcroRd32.exe
3436	AcroRd32.exe
3436	AcroRd32.exe
3436	AcroRd32.exe
3436	AcroRd32.exe
3436	AcroRd32.exe
3436	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

AcroRd32.exe

pid process

3436 AcroRd32.exe
Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

AcroRd32.exeAdobeARM.exe

pid process

3436 AcroRd32.exe
3436 AcroRd32.exe
3436 AcroRd32.exe
3436 AcroRd32.exe
3436 AcroRd32.exe
3436 AcroRd32.exe
1852 AdobeARM.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

AcroRd32.exeRdrCEF.exe

description	pid	process	target process
PID 3436 wrote to memory of 2292	3436	AcroRd32.exe	RdrCEF.exe
PID 3436 wrote to memory of 2292	3436	AcroRd32.exe	RdrCEF.exe
PID 3436 wrote to memory of 2292	3436	AcroRd32.exe	RdrCEF.exe
PID 3436 wrote to memory of 4232	3436	AcroRd32.exe	RdrCEF.exe
PID 3436 wrote to memory of 4232	3436	AcroRd32.exe	RdrCEF.exe
PID 3436 wrote to memory of 4232	3436	AcroRd32.exe	RdrCEF.exe
PID 2292 wrote to memory of 400	2292	RdrCEF.exe	RdrCEF.exe
PID 2292 wrote to memory of 400	2292	RdrCEF.exe	RdrCEF.exe
PID 2292 wrote to memory of 400	2292	RdrCEF.exe	RdrCEF.exe
PID 2292 wrote to memory of 400	2292	RdrCEF.exe	RdrCEF.exe
PID 2292 wrote to memory of 400	2292	RdrCEF.exe	RdrCEF.exe
PID 2292 wrote to memory of 400	2292	RdrCEF.exe	RdrCEF.exe
PID 2292 wrote to memory of 400	2292	RdrCEF.exe	RdrCEF.exe
PID 2292 wrote to memory of 400	2292	RdrCEF.exe	RdrCEF.exe
PID 2292 wrote to memory of 400	2292	RdrCEF.exe	RdrCEF.exe
PID 2292 wrote to memory of 400	2292	RdrCEF.exe	RdrCEF.exe
PID 2292 wrote to memory of 400	2292	RdrCEF.exe	RdrCEF.exe
PID 2292 wrote to memory of 400	2292	RdrCEF.exe	RdrCEF.exe
PID 2292 wrote to memory of 400	2292	RdrCEF.exe	RdrCEF.exe
PID 2292 wrote to memory of 400	2292	RdrCEF.exe	RdrCEF.exe
PID 2292 wrote to memory of 400	2292	RdrCEF.exe	RdrCEF.exe
PID 2292 wrote to memory of 400	2292	RdrCEF.exe	RdrCEF.exe
PID 2292 wrote to memory of 400	2292	RdrCEF.exe	RdrCEF.exe
PID 2292 wrote to memory of 400	2292	RdrCEF.exe	RdrCEF.exe
PID 2292 wrote to memory of 400	2292	RdrCEF.exe	RdrCEF.exe
PID 2292 wrote to memory of 400	2292	RdrCEF.exe	RdrCEF.exe
PID 2292 wrote to memory of 400	2292	RdrCEF.exe	RdrCEF.exe
PID 2292 wrote to memory of 400	2292	RdrCEF.exe	RdrCEF.exe
PID 2292 wrote to memory of 400	2292	RdrCEF.exe	RdrCEF.exe
PID 2292 wrote to memory of 400	2292	RdrCEF.exe	RdrCEF.exe
PID 2292 wrote to memory of 400	2292	RdrCEF.exe	RdrCEF.exe
PID 2292 wrote to memory of 400	2292	RdrCEF.exe	RdrCEF.exe
PID 2292 wrote to memory of 400	2292	RdrCEF.exe	RdrCEF.exe
PID 2292 wrote to memory of 400	2292	RdrCEF.exe	RdrCEF.exe
PID 2292 wrote to memory of 400	2292	RdrCEF.exe	RdrCEF.exe
PID 2292 wrote to memory of 400	2292	RdrCEF.exe	RdrCEF.exe
PID 2292 wrote to memory of 400	2292	RdrCEF.exe	RdrCEF.exe
PID 2292 wrote to memory of 400	2292	RdrCEF.exe	RdrCEF.exe
PID 2292 wrote to memory of 400	2292	RdrCEF.exe	RdrCEF.exe
PID 2292 wrote to memory of 400	2292	RdrCEF.exe	RdrCEF.exe
PID 2292 wrote to memory of 400	2292	RdrCEF.exe	RdrCEF.exe
PID 2292 wrote to memory of 400	2292	RdrCEF.exe	RdrCEF.exe
PID 2292 wrote to memory of 400	2292	RdrCEF.exe	RdrCEF.exe
PID 2292 wrote to memory of 400	2292	RdrCEF.exe	RdrCEF.exe
PID 2292 wrote to memory of 400	2292	RdrCEF.exe	RdrCEF.exe
PID 2292 wrote to memory of 400	2292	RdrCEF.exe	RdrCEF.exe
PID 2292 wrote to memory of 400	2292	RdrCEF.exe	RdrCEF.exe
PID 2292 wrote to memory of 2040	2292	RdrCEF.exe	RdrCEF.exe
PID 2292 wrote to memory of 2040	2292	RdrCEF.exe	RdrCEF.exe
PID 2292 wrote to memory of 2040	2292	RdrCEF.exe	RdrCEF.exe
PID 2292 wrote to memory of 2040	2292	RdrCEF.exe	RdrCEF.exe
PID 2292 wrote to memory of 2040	2292	RdrCEF.exe	RdrCEF.exe
PID 2292 wrote to memory of 2040	2292	RdrCEF.exe	RdrCEF.exe
PID 2292 wrote to memory of 2040	2292	RdrCEF.exe	RdrCEF.exe
PID 2292 wrote to memory of 2040	2292	RdrCEF.exe	RdrCEF.exe
PID 2292 wrote to memory of 2040	2292	RdrCEF.exe	RdrCEF.exe
PID 2292 wrote to memory of 2040	2292	RdrCEF.exe	RdrCEF.exe
PID 2292 wrote to memory of 2040	2292	RdrCEF.exe	RdrCEF.exe
PID 2292 wrote to memory of 2040	2292	RdrCEF.exe	RdrCEF.exe
PID 2292 wrote to memory of 2040	2292	RdrCEF.exe	RdrCEF.exe
PID 2292 wrote to memory of 2040	2292	RdrCEF.exe	RdrCEF.exe
PID 2292 wrote to memory of 2040	2292	RdrCEF.exe	RdrCEF.exe
PID 2292 wrote to memory of 2040	2292	RdrCEF.exe	RdrCEF.exe
PID 2292 wrote to memory of 2040	2292	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\malware-analysis-writeups-master\agent-tesla-loader\agentTeslaLoader.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:3436

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:2292

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=8A84F02B75A7A0F5F429598E2FF8B16B --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:400

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=89EA36151F5DA77D46FA0C25D9E3555F --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=89EA36151F5DA77D46FA0C25D9E3555F --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
3⤵
PID:2040

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=C895D55FC559A8ED07A75AA720B4006B --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=C895D55FC559A8ED07A75AA720B4006B --renderer-client-id=4 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job /prefetch:1
3⤵
PID:216

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=750C9EBE3725B37A5CEF2BA9A62736D8 --mojo-platform-channel-handle=2560 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:4000

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=59F5C1D575BCCA2CB759761F5B2E7EC0 --mojo-platform-channel-handle=1912 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:4264

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=06B321BE5F055297D380E50A383FE223 --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:2856

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⤵
PID:4232

C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\AdobeARM.exe
"C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\AdobeARM.exe" /PRODUCT:Reader /VERSION:19.0 /MODE:3
2⤵
- Suspicious use of SetWindowsHookEx
PID:1852

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Reader_sl.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Reader_sl.exe"
3⤵
PID:5012

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/216-141-0x0000000000000000-mapping.dmp

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memory/400-133-0x0000000000000000-mapping.dmp

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memory/1852-154-0x0000000000000000-mapping.dmp

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memory/2040-135-0x0000000000000000-mapping.dmp

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memory/2292-130-0x0000000000000000-mapping.dmp

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memory/2856-152-0x0000000000000000-mapping.dmp

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memory/4000-146-0x0000000000000000-mapping.dmp

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memory/4232-131-0x0000000000000000-mapping.dmp

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memory/4264-149-0x0000000000000000-mapping.dmp

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memory/5012-155-0x0000000000000000-mapping.dmp

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