zloader | 1f41fd3e96ef1c1328d08ced03ac5e1b717a45cda8cf94a1c4ffe775e43623b8

Resubmissions

10-08-2023 17:09

230810-vn35qsfe85 10

10-08-2023 16:29

230810-ty96csgg4t 10

07-07-2021 20:32

210707-5mqmkk4eyx 10

Analysis

max time kernel
1792s
max time network
1800s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
10-08-2023 16:29

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Report Analysis Logs

General

Target

1f41fd3e96ef1c1328d08ced03ac5e1b717a45cda8cf94a1c4ffe775e43623b8.dll
Size

172KB
MD5

2297dee946320ce03b8db35b1ae6462d
SHA1

5958e724e5cceca807531b2b1ea4b18a2a8698dd
SHA256

1f41fd3e96ef1c1328d08ced03ac5e1b717a45cda8cf94a1c4ffe775e43623b8
SHA512

560b1f80b5e96ae8281bbea2271476a2a38d6c55b231c4e5594d9581cf5cb0bdcfffb1cd02b4aca4249eb0e21b15ee48391c02d7170dfad410ae591243ff5188
SSDEEP

3072:EoUF1YzA5/iJ+PG6qOP3SCmNTxJ43nPNntucoYBqCWCpJw6vS5dTGzpsf4eP4:OQJ2P3nmpxAzoSqBC162feg

Score

10^/10

zloader mk1 mac2 botnet trojan

Malware Config

Extracted

Family

zloader

Botnet

mk1

Campaign

mac2

https://dssdffsdf.drld/mm.php

Attributes

build_id
43

rc4.plain

rsa_pubkey.plain

Signatures

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 2128 created 1268	2128	regsvr32.exe	15

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2128 set thread context of 2292	2128	regsvr32.exe	31

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2128	regsvr32.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2128	regsvr32.exe
Token: SeSecurityPrivilege	2292	msiexec.exe
Token: SeSecurityPrivilege	2292	msiexec.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2336 wrote to memory of 2128	2336	regsvr32.exe	28
PID 2336 wrote to memory of 2128	2336	regsvr32.exe	28
PID 2336 wrote to memory of 2128	2336	regsvr32.exe	28
PID 2336 wrote to memory of 2128	2336	regsvr32.exe	28
PID 2336 wrote to memory of 2128	2336	regsvr32.exe	28
PID 2336 wrote to memory of 2128	2336	regsvr32.exe	28
PID 2336 wrote to memory of 2128	2336	regsvr32.exe	28
PID 2128 wrote to memory of 2292	2128	regsvr32.exe	31
PID 2128 wrote to memory of 2292	2128	regsvr32.exe	31
PID 2128 wrote to memory of 2292	2128	regsvr32.exe	31
PID 2128 wrote to memory of 2292	2128	regsvr32.exe	31
PID 2128 wrote to memory of 2292	2128	regsvr32.exe	31
PID 2128 wrote to memory of 2292	2128	regsvr32.exe	31
PID 2128 wrote to memory of 2292	2128	regsvr32.exe	31
PID 2128 wrote to memory of 2292	2128	regsvr32.exe	31
PID 2128 wrote to memory of 2292	2128	regsvr32.exe	31

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1268
- C:\Windows\system32\regsvr32.exe
  regsvr32 /s C:\Users\Admin\AppData\Local\Temp\1f41fd3e96ef1c1328d08ced03ac5e1b717a45cda8cf94a1c4ffe775e43623b8.dll
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2336
- - C:\Windows\SysWOW64\regsvr32.exe
    /s C:\Users\Admin\AppData\Local\Temp\1f41fd3e96ef1c1328d08ced03ac5e1b717a45cda8cf94a1c4ffe775e43623b8.dll
    3⤵
    - Suspicious use of NtCreateUserProcessOtherParentProcess
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2128
- C:\Windows\SysWOW64\msiexec.exe
  msiexec.exe
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2292

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2292-53-0x0000000000090000-0x00000000000BD000-memory.dmp

Filesize
180KB

Download
memory/2292-55-0x00000000000C0000-0x00000000000C1000-memory.dmp

Filesize
4KB

Download
memory/2292-57-0x0000000000090000-0x00000000000BD000-memory.dmp

Filesize
180KB

Download
memory/2292-58-0x0000000000090000-0x00000000000BD000-memory.dmp

Filesize
180KB

Download
memory/2292-60-0x0000000000090000-0x00000000000BD000-memory.dmp

Filesize
180KB

Download
memory/2292-61-0x0000000000090000-0x00000000000BD000-memory.dmp

Filesize
180KB

Download
memory/2292-63-0x0000000000090000-0x00000000000BD000-memory.dmp

Filesize
180KB

Download