zloader | 18a919efd1cbc2d3b39bd623827b4bc5fa719dffa538fc53a47e085818a75826

Analysis

max time kernel
119s
max time network
155s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
07-07-2024 11:45

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General

Target

YTMonster.exe
Size

67.8MB
MD5

3fdb08e49c7b01e875ab9b4ba0e46b7b
SHA1

fa03f357c262d40ab02c14809fbb08eed121fb61
SHA256

5159761d844f5802bc9192767eae06d8eed503473c9ecbe0f949d1069a28572d
SHA512

6aac18ae56b929699663f7e44898402d16b6de23100b6e2a09d3bc24e67954b6ded04014a0feb6e03558e9cda7db096e4ace93937df3aeefcaee3ccc69b876eb
SSDEEP

393216:QQbSg4mED8QQakiC3+LJRSxhhhlevntJ7XhN6NT5+bRL1ozWc8bu8esBKpVGsFMj:POLJiwrFjO/B6ZwJc9Ga5OBgePTPMsXo

Score

10^/10

zloader botnet trojan

Malware Config

Signatures

Zloader, Terdot, DELoader, ZeusSphinx
Zloader is a malware strain that was initially discovered back in August 2015.
trojan botnet zloader

Modifies registry class 7 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\ytm-desktop\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\YTMonster.exe\" \"%1\""	YTMonster.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\ytm-desktop	YTMonster.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\ytm-desktop\URL Protocol	YTMonster.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\ytm-desktop\ = "URL:ytm-desktop"	YTMonster.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\ytm-desktop\shell\open\command	YTMonster.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\ytm-desktop\shell	YTMonster.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\ytm-desktop\shell\open	YTMonster.exe

Modifies system certificate store 2 TTPs 4 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13	YTMonster.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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	YTMonster.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8	YTMonster.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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	YTMonster.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2376 wrote to memory of 2652	2376	YTMonster.exe	28
PID 2376 wrote to memory of 2652	2376	YTMonster.exe	28
PID 2376 wrote to memory of 2652	2376	YTMonster.exe	28
PID 2376 wrote to memory of 2708	2376	YTMonster.exe	29
PID 2376 wrote to memory of 2708	2376	YTMonster.exe	29
PID 2376 wrote to memory of 2708	2376	YTMonster.exe	29
PID 2376 wrote to memory of 2512	2376	YTMonster.exe	30
PID 2376 wrote to memory of 2512	2376	YTMonster.exe	30
PID 2376 wrote to memory of 2512	2376	YTMonster.exe	30

C:\Users\Admin\AppData\Local\Temp\YTMonster.exe
"C:\Users\Admin\AppData\Local\Temp\YTMonster.exe"
1⤵
- Modifies registry class
- Modifies system certificate store
- Suspicious use of WriteProcessMemory
PID:2376
- C:\Users\Admin\AppData\Local\Temp\YTMonster.exe
  "C:\Users\Admin\AppData\Local\Temp\YTMonster.exe" --type=gpu-process --no-sandbox --gpu-preferences=KAAAAAAAAACAAwCAAQAAAAAAAAAAAGAAEAAAAAAAAAAAAAAAAAAAACgAAAAEAAAAIAAAAAAAAAAoAAAAAAAAADAAAAAAAAAAOAAAAAAAAAAQAAAAAAAAAAAAAAAKAAAAEAAAAAAAAAAAAAAACwAAABAAAAAAAAAAAQAAAAoAAAAQAAAAAAAAAAEAAAALAAAA --service-request-channel-token=E1A927E9168E43FDA2E3B24995323F16 --mojo-platform-channel-handle=1044 /prefetch:2
  2⤵
  PID:2652
- C:\Users\Admin\AppData\Local\Temp\YTMonster.exe
  "C:\Users\Admin\AppData\Local\Temp\YTMonster.exe" --type=renderer --no-sandbox --service-pipe-token=109AAC8979A095DAE474B78A3914A77F --lang=en-US --app-user-model-id=com.ytmonster.desktop --app-path="C:\Users\Admin\AppData\Local\Temp\resources\app.asar" --node-integration=true --webview-tag=true --no-sandbox --background-color=#131313 --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-compositor-image-animations --service-request-channel-token=109AAC8979A095DAE474B78A3914A77F --renderer-client-id=5 --mojo-platform-channel-handle=1176 /prefetch:1
  2⤵
  PID:2708
- C:\Users\Admin\AppData\Local\Temp\YTMonster.exe
  "C:\Users\Admin\AppData\Local\Temp\YTMonster.exe" --type=gpu-process --no-sandbox --gpu-preferences=KAAAAAAAAACAAwCAAQAAAAAAAAAAAGAAEAAAAAAAAAAAAAAAAAAAACgAAAAEAAAAIAAAAAAAAAAoAAAAAAAAADAAAAAAAAAAOAAAAAAAAAAQAAAAAAAAAAAAAAAKAAAAEAAAAAAAAAAAAAAACwAAABAAAAAAAAAAAQAAAAoAAAAQAAAAAAAAAAEAAAALAAAA --use-gl=swiftshader-webgl --service-request-channel-token=A645E378298E36B99A386BD62BD25682 --mojo-platform-channel-handle=1492 /prefetch:2
  2⤵
  PID:2512

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Subvert Trust Controls

T1553

Install Root Certificate

T1553.004

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
ece21868cb19229d39ef826632caa2c9

SHA1
a4130b651b00836655d13ba83a28c872deab242a

SHA256
38e0df99d706d9c57c68052905b5ce24a5e4a1cec2a3ebe98c092d30559737c3

SHA512
ba2d0b5b9959db4e61b4873fd30cafa221b4ae189525d511bb8c0f70efa53914ad102e495ddfb94882916b0d0f2d48b14c5fafcb968f8b02658737519411c60e

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
1d9068fa024088279c88a17a2da32bc8

SHA1
dead668eabde113166e466f115caf4f6ec8a6308

SHA256
577906d0596c02c2aa92da7e7524739d44336210ba535280b76d23e46168477f

SHA512
0a82d1e71f27d439208bcfdad87ff637d1c587838aa97e3b3f225197d05332ec978cd5f411d301476dcff50715cfbdbe1fb82b901d547514e325eace9141c8c2

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab56E8.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar57E9.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/2376-0-0x0000000140000000-0x0000000144439000-memory.dmp

Filesize
68.2MB

Download