danabot | 5443468cbcd380d17bcbfac400205bb81eb921354a918a011dd11f24bfe7a3d6

General

Target

mamsi.dll
Size

7.4MB
MD5

ad68f2e6403621fe5b531b667a2035c5
SHA1

42f73eb2dafa5cb0f9dae2e7bf3ae168f8ea5ff5
SHA256

5443468cbcd380d17bcbfac400205bb81eb921354a918a011dd11f24bfe7a3d6
SHA512

4f6416a8ec0c168e345bb51787281df0b92db0685da52348d191d708ae4c60e0207f2928277b53d3f0726f01c2d9dc31af07ce1167d3b3f7ae7b73e34e8ed451

Score

10^/10

danabot 21 banker discovery spyware stealer suricata trojan

Malware Config

Extracted

Family

danabot

Version

1755

Botnet

21

C2

47.254.174.158:1024

159.89.114.62:443

47.254.247.133:443

138.197.139.56:443

Attributes

embedded_hash
9C7D6A0C33FE7EDD9922FFD6D97552CA
type
main

rsa_pubkey.plain

Signatures

Danabot
Danabot is a modular banking Trojan that has been linked with other malware.
trojan banker danabot
suricata: ET MALWARE Danabot Key Exchange Request
suricata: ET MALWARE Danabot Key Exchange Request
suricata
Blocklisted process makes network request 4 IoCs

Processes:

RUNDLL32.EXE

flow pid process

25 2528 RUNDLL32.EXE
33 2528 RUNDLL32.EXE
34 2528 RUNDLL32.EXE
42 2528 RUNDLL32.EXE
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

regsvr32.exeRUNDLL32.EXE

description pid process

Token: SeDebugPrivilege 316 regsvr32.exe
Token: SeDebugPrivilege 2528 RUNDLL32.EXE

flow	pid	process
25	2528	RUNDLL32.EXE
33	2528	RUNDLL32.EXE
34	2528	RUNDLL32.EXE
42	2528	RUNDLL32.EXE

description	pid	process
Token: SeDebugPrivilege	316	regsvr32.exe
Token: SeDebugPrivilege	2528	RUNDLL32.EXE

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

regsvr32.exeregsvr32.exe

description	pid	process	target process
PID 3644 wrote to memory of 316	3644	regsvr32.exe	regsvr32.exe
PID 3644 wrote to memory of 316	3644	regsvr32.exe	regsvr32.exe
PID 3644 wrote to memory of 316	3644	regsvr32.exe	regsvr32.exe
PID 316 wrote to memory of 2528	316	regsvr32.exe	RUNDLL32.EXE
PID 316 wrote to memory of 2528	316	regsvr32.exe	RUNDLL32.EXE
PID 316 wrote to memory of 2528	316	regsvr32.exe	RUNDLL32.EXE

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\mamsi.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3644

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\mamsi.dll
2⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:316

C:\Windows\SysWOW64\RUNDLL32.EXE
C:\Windows\system32\RUNDLL32.EXE C:\Users\Admin\AppData\Local\Temp\mamsi.dll,XwFefDbyBVjg
3⤵
- Blocklisted process makes network request
- Suspicious use of AdjustPrivilegeToken
PID:2528

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/316-130-0x0000000003FF1000-0x0000000003FF6000-memory.dmp

Filesize
20KB

Download
memory/316-131-0x0000000003FF0000-0x0000000004769000-memory.dmp

Filesize
7.5MB

Download
memory/316-132-0x00000000005D0000-0x00000000005D1000-memory.dmp

Filesize
4KB

Download
memory/316-133-0x0000000003FF0000-0x0000000004769000-memory.dmp

Filesize
7.5MB

Download
memory/316-134-0x00000000056E0000-0x0000000005D3E000-memory.dmp

Filesize
6.4MB

Download
memory/316-135-0x00000000056E0000-0x0000000005D3E000-memory.dmp

Filesize
6.4MB

Download
memory/2528-137-0x0000000004811000-0x0000000004816000-memory.dmp

Filesize
20KB

Download
memory/2528-138-0x0000000004810000-0x0000000004F89000-memory.dmp

Filesize
7.5MB

Download
memory/2528-139-0x0000000006080000-0x00000000066DE000-memory.dmp

Filesize
6.4MB

Download
memory/2528-140-0x0000000006900000-0x0000000006901000-memory.dmp

Filesize
4KB

Download
memory/2528-145-0x0000000004810000-0x0000000004F89000-memory.dmp

Filesize
7.5MB

Download
memory/2528-146-0x0000000006080000-0x00000000066DE000-memory.dmp

Filesize
6.4MB

Download

Analysis

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