pikabot | 9b8ffdc8ba2b2caa485cca56a82b2dcbd251f65fb30bc88f0ac3da6704e4d3c6

Analysis

max time kernel
30s
max time network
33s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
29-11-2024 20:11

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General

Target

6ctf5JL.dll
Size

1.2MB
MD5

2bf6280ce1a1ec314e08b988ed8c8050
SHA1

1be1785a3e4a1aeda89bc2a5b26df7edc7fe1430
SHA256

9b8ffdc8ba2b2caa485cca56a82b2dcbd251f65fb30bc88f0ac3da6704e4d3c6
SHA512

340b5192b117efcbb18c38ef8de6982da2e5d1b1cec5d080b5a98853c39aa05a03da20d0824aeda9cbdb74762fe12139536a5f2ee87a37cbbe9b93fa6ec17d4e
SSDEEP

24576:tvr+qtKbfCGLovhM2he3og6p6tOs1CTvmO4Kr5x+1kxjq0cnccy:M5CPjKjLCTvm0oqxdv

Score

10^/10

pikabot botnet discovery persistence

Malware Config

Signatures

Detects PikaBot botnet 2 IoCs

resource	yara_rule
behavioral2/memory/2392-2-0x0000000000A20000-0x0000000000A2F000-memory.dmp	family_pikabot_v1
behavioral2/memory/2392-6-0x0000000000A20000-0x0000000000A2F000-memory.dmp	family_pikabot_v1

PikaBot
PikaBot is a botnet that is distributed similarly to Qakbot and written in c++.
botnet pikabot
Pikabot family
pikabot

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\unbevelledHamuli = "regsvr32 /s \"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\cimeter\\unbevelledHamuli.dll\" "	wermgr.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2252 set thread context of 2392	2252	regsvr32.exe	91

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2392	wermgr.exe
2392	wermgr.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 1 IoCs

pid	Process
2252	regsvr32.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2184 wrote to memory of 2252	2184	regsvr32.exe	83
PID 2184 wrote to memory of 2252	2184	regsvr32.exe	83
PID 2184 wrote to memory of 2252	2184	regsvr32.exe	83
PID 2252 wrote to memory of 2392	2252	regsvr32.exe	91
PID 2252 wrote to memory of 2392	2252	regsvr32.exe	91
PID 2252 wrote to memory of 2392	2252	regsvr32.exe	91
PID 2252 wrote to memory of 2392	2252	regsvr32.exe	91
PID 2252 wrote to memory of 2392	2252	regsvr32.exe	91
PID 2252 wrote to memory of 2392	2252	regsvr32.exe	91
PID 2252 wrote to memory of 2392	2252	regsvr32.exe	91
PID 2252 wrote to memory of 2392	2252	regsvr32.exe	91
PID 2252 wrote to memory of 2392	2252	regsvr32.exe	91

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\6ctf5JL.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2184
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\6ctf5JL.dll
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
  - Suspicious use of WriteProcessMemory
  PID:2252
- - C:\Windows\SysWOW64\wermgr.exe
    "C:\Windows\SysWOW64\wermgr.exe"
    3⤵
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    PID:2392

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2252-0-0x00000000022B0000-0x0000000002345000-memory.dmp

Filesize
596KB

Download
memory/2252-1-0x0000000002350000-0x00000000023C6000-memory.dmp

Filesize
472KB

Download
memory/2252-10-0x0000000002350000-0x00000000023C6000-memory.dmp

Filesize
472KB

Download
memory/2252-11-0x00000000022B0000-0x0000000002345000-memory.dmp

Filesize
596KB

Download
memory/2392-2-0x0000000000A20000-0x0000000000A2F000-memory.dmp

Filesize
60KB

Download
memory/2392-6-0x0000000000A20000-0x0000000000A2F000-memory.dmp

Filesize
60KB

Download