danabot | 8884c731201c65b7db739e95839374b509ac0cd4a2b18b7075864f56d13c9bd7

Analysis

max time kernel
133s
max time network
77s
platform
windows7_x64
resource
win7v20210408
submitted
06-05-2021 15:03

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General

Target

cvhost.exe
Size

6.1MB
MD5

51209196cdca1e7988eac671f69a58a4
SHA1

eabe5ca552932cd3d94e95eaacc3449722cadae6
SHA256

8884c731201c65b7db739e95839374b509ac0cd4a2b18b7075864f56d13c9bd7
SHA512

3203aa4427fdc1fc56d6cb69537fb92dc1100871f069a034b07a085227690a217d8ff780b236461f9f006dcd507505e9249ef00c6da8915aa4bc1cf0406f03c8

Score

10^/10

danabot 3 banker discovery spyware stealer trojan

Malware Config

Extracted

Family

danabot

Version

1827

Botnet

184.95.51.180:443

192.236.147.83:443

184.95.51.175:443

184.95.51.183:443

Attributes

embedded_hash
AEF96B4D339B580ABB737F203C2D0F52

rsa_pubkey.plain

Signatures

Danabot
Danabot is a modular banking Trojan that has been linked with other malware.
trojan banker danabot
Blocklisted process makes network request 4 IoCs

Processes:

RUNDLL32.EXE

flow pid process

3 1300 RUNDLL32.EXE
4 1300 RUNDLL32.EXE
5 1300 RUNDLL32.EXE
6 1300 RUNDLL32.EXE
Deletes itself 1 IoCs

Processes:

rundll32.exe

pid process

1320 rundll32.exe
Loads dropped DLL 8 IoCs

Processes:

rundll32.exeRUNDLL32.EXE

pid process

1320 rundll32.exe
1320 rundll32.exe
1320 rundll32.exe
1320 rundll32.exe
1300 RUNDLL32.EXE
1300 RUNDLL32.EXE
1300 RUNDLL32.EXE
1300 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

flow	pid	process
3	1300	RUNDLL32.EXE
4	1300	RUNDLL32.EXE
5	1300	RUNDLL32.EXE
6	1300	RUNDLL32.EXE

pid	process
1320	rundll32.exe

pid	process
1320	rundll32.exe
1320	rundll32.exe
1320	rundll32.exe
1320	rundll32.exe
1300	RUNDLL32.EXE
1300	RUNDLL32.EXE
1300	RUNDLL32.EXE
1300	RUNDLL32.EXE

Drops desktop.ini file(s) 7 IoCs

Processes:

RUNDLL32.EXE

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\P8HHGB03\desktop.ini	RUNDLL32.EXE
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\NU1L7O13\desktop.ini	RUNDLL32.EXE
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\desktop.ini	RUNDLL32.EXE
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Windows\Burn\Burn\desktop.ini	RUNDLL32.EXE
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\desktop.ini	RUNDLL32.EXE
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\VNYR844D\desktop.ini	RUNDLL32.EXE
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Windows\History\History.IE5\desktop.ini	RUNDLL32.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

rundll32.exeRUNDLL32.EXE

description pid process

Token: SeDebugPrivilege 1320 rundll32.exe
Token: SeDebugPrivilege 1300 RUNDLL32.EXE

description	pid	process
Token: SeDebugPrivilege	1320	rundll32.exe
Token: SeDebugPrivilege	1300	RUNDLL32.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

cvhost.exerundll32.exe

description	pid	process	target process
PID 744 wrote to memory of 1320	744	cvhost.exe	rundll32.exe
PID 744 wrote to memory of 1320	744	cvhost.exe	rundll32.exe
PID 744 wrote to memory of 1320	744	cvhost.exe	rundll32.exe
PID 744 wrote to memory of 1320	744	cvhost.exe	rundll32.exe
PID 744 wrote to memory of 1320	744	cvhost.exe	rundll32.exe
PID 744 wrote to memory of 1320	744	cvhost.exe	rundll32.exe
PID 744 wrote to memory of 1320	744	cvhost.exe	rundll32.exe
PID 1320 wrote to memory of 1300	1320	rundll32.exe	RUNDLL32.EXE
PID 1320 wrote to memory of 1300	1320	rundll32.exe	RUNDLL32.EXE
PID 1320 wrote to memory of 1300	1320	rundll32.exe	RUNDLL32.EXE
PID 1320 wrote to memory of 1300	1320	rundll32.exe	RUNDLL32.EXE
PID 1320 wrote to memory of 1300	1320	rundll32.exe	RUNDLL32.EXE
PID 1320 wrote to memory of 1300	1320	rundll32.exe	RUNDLL32.EXE
PID 1320 wrote to memory of 1300	1320	rundll32.exe	RUNDLL32.EXE

C:\Users\Admin\AppData\Local\Temp\cvhost.exe
"C:\Users\Admin\AppData\Local\Temp\cvhost.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:744
- C:\Windows\SysWOW64\rundll32.exe
  C:\Windows\system32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\CVHOST~1.DLL,Z C:\Users\Admin\AppData\Local\Temp\cvhost.exe
  2⤵
  - Deletes itself
  - Loads dropped DLL
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1320
- - C:\Windows\SysWOW64\RUNDLL32.EXE
    C:\Windows\system32\RUNDLL32.EXE C:\Users\Admin\AppData\Local\Temp\CVHOST~1.DLL,LBUXNA==
    3⤵
    - Blocklisted process makes network request
    - Loads dropped DLL
    - Drops desktop.ini file(s)
    - Suspicious use of AdjustPrivilegeToken
    PID:1300

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\CVHOST~1.DLL

MD5
dd48fbaee3fa2b53707df0a329f63213

SHA1
ff95cb081070d8f67faf399cec209f62c2d1c1eb

SHA256
92204e0e3f9296e8e8d07fb7d8155d22a633812360bbfa4bd7221147820c6b24

SHA512
5a437a522688ee190d4e531881227b5b42a790193b9698d1432e17270d86d1ed67648b5159e132edc0edcd3a3a49f0644eba3e570aaa6323b355739577e64973

Download Submit
\Users\Admin\AppData\Local\Temp\CVHOST~1.DLL

MD5
dd48fbaee3fa2b53707df0a329f63213

SHA1
ff95cb081070d8f67faf399cec209f62c2d1c1eb

SHA256
92204e0e3f9296e8e8d07fb7d8155d22a633812360bbfa4bd7221147820c6b24

SHA512
5a437a522688ee190d4e531881227b5b42a790193b9698d1432e17270d86d1ed67648b5159e132edc0edcd3a3a49f0644eba3e570aaa6323b355739577e64973

Download Submit
\Users\Admin\AppData\Local\Temp\CVHOST~1.DLL

MD5
dd48fbaee3fa2b53707df0a329f63213

SHA1
ff95cb081070d8f67faf399cec209f62c2d1c1eb

SHA256
92204e0e3f9296e8e8d07fb7d8155d22a633812360bbfa4bd7221147820c6b24

SHA512
5a437a522688ee190d4e531881227b5b42a790193b9698d1432e17270d86d1ed67648b5159e132edc0edcd3a3a49f0644eba3e570aaa6323b355739577e64973

Download Submit
\Users\Admin\AppData\Local\Temp\CVHOST~1.DLL

MD5
dd48fbaee3fa2b53707df0a329f63213

SHA1
ff95cb081070d8f67faf399cec209f62c2d1c1eb

SHA256
92204e0e3f9296e8e8d07fb7d8155d22a633812360bbfa4bd7221147820c6b24

SHA512
5a437a522688ee190d4e531881227b5b42a790193b9698d1432e17270d86d1ed67648b5159e132edc0edcd3a3a49f0644eba3e570aaa6323b355739577e64973

Download Submit
\Users\Admin\AppData\Local\Temp\CVHOST~1.DLL

MD5
dd48fbaee3fa2b53707df0a329f63213

SHA1
ff95cb081070d8f67faf399cec209f62c2d1c1eb

SHA256
92204e0e3f9296e8e8d07fb7d8155d22a633812360bbfa4bd7221147820c6b24

SHA512
5a437a522688ee190d4e531881227b5b42a790193b9698d1432e17270d86d1ed67648b5159e132edc0edcd3a3a49f0644eba3e570aaa6323b355739577e64973

Download Submit
\Users\Admin\AppData\Local\Temp\CVHOST~1.DLL

MD5
dd48fbaee3fa2b53707df0a329f63213

SHA1
ff95cb081070d8f67faf399cec209f62c2d1c1eb

SHA256
92204e0e3f9296e8e8d07fb7d8155d22a633812360bbfa4bd7221147820c6b24

SHA512
5a437a522688ee190d4e531881227b5b42a790193b9698d1432e17270d86d1ed67648b5159e132edc0edcd3a3a49f0644eba3e570aaa6323b355739577e64973

Download Submit
\Users\Admin\AppData\Local\Temp\CVHOST~1.DLL

MD5
dd48fbaee3fa2b53707df0a329f63213

SHA1
ff95cb081070d8f67faf399cec209f62c2d1c1eb

SHA256
92204e0e3f9296e8e8d07fb7d8155d22a633812360bbfa4bd7221147820c6b24

SHA512
5a437a522688ee190d4e531881227b5b42a790193b9698d1432e17270d86d1ed67648b5159e132edc0edcd3a3a49f0644eba3e570aaa6323b355739577e64973

Download Submit
\Users\Admin\AppData\Local\Temp\CVHOST~1.DLL

MD5
dd48fbaee3fa2b53707df0a329f63213

SHA1
ff95cb081070d8f67faf399cec209f62c2d1c1eb

SHA256
92204e0e3f9296e8e8d07fb7d8155d22a633812360bbfa4bd7221147820c6b24

SHA512
5a437a522688ee190d4e531881227b5b42a790193b9698d1432e17270d86d1ed67648b5159e132edc0edcd3a3a49f0644eba3e570aaa6323b355739577e64973

Download Submit
\Users\Admin\AppData\Local\Temp\CVHOST~1.DLL

MD5
dd48fbaee3fa2b53707df0a329f63213

SHA1
ff95cb081070d8f67faf399cec209f62c2d1c1eb

SHA256
92204e0e3f9296e8e8d07fb7d8155d22a633812360bbfa4bd7221147820c6b24

SHA512
5a437a522688ee190d4e531881227b5b42a790193b9698d1432e17270d86d1ed67648b5159e132edc0edcd3a3a49f0644eba3e570aaa6323b355739577e64973

Download Submit
memory/744-60-0x0000000002B90000-0x0000000003296000-memory.dmp

Filesize
7.0MB

Download
memory/744-59-0x0000000075AD1000-0x0000000075AD3000-memory.dmp

Filesize
8KB

Download
memory/744-62-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/744-61-0x0000000000400000-0x0000000000B12000-memory.dmp

Filesize
7.1MB

Download
memory/1300-72-0x0000000000000000-mapping.dmp

Download
memory/1300-80-0x0000000001F10000-0x00000000024D4000-memory.dmp

Filesize
5.8MB

Download
memory/1300-81-0x00000000028B1000-0x0000000002F10000-memory.dmp

Filesize
6.4MB

Download
memory/1300-82-0x0000000002FE0000-0x0000000002FE1000-memory.dmp

Filesize
4KB

Download
memory/1320-70-0x0000000001E10000-0x00000000023D4000-memory.dmp

Filesize
5.8MB

Download
memory/1320-71-0x0000000003100000-0x0000000003101000-memory.dmp

Filesize
4KB

Download
memory/1320-73-0x0000000002891000-0x0000000002EF0000-memory.dmp

Filesize
6.4MB

Download
memory/1320-75-0x0000000000180000-0x0000000000181000-memory.dmp

Filesize
4KB

Download
memory/1320-63-0x0000000000000000-mapping.dmp

Download