danabot | 2dc257664c9b3bf2d5b1519c4d6951ce3ce674a15fdf7578f18c6e8ff2e3073f

Analysis

max time kernel
134s
max time network
64s
platform
windows7_x64
resource
win7v20210410
submitted
14/06/2021, 14:30

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General

Target
1f5c2c56cc3b0b3552512bae5ee65e2e.exe
Size 6.1MB
Sample210614-ferlftb1e2
SHA256 2dc257664c9b3bf2d5b1519c4d6951ce3ce674a15fdf7578f18c6e8ff2e3073f
MD5 1f5c2c56cc3b0b3552512bae5ee65e2e
SHA1 48ce8806626dbf97cde8a6ca3d5900c48828537c
SHA512 dcf4ecfa3e18da881ef629c3632007e4cab13f59eb80e94a59f3e50cd448932333a1f192f8345597762ecd71d6678b563eac9d96ce1615bdf613586592b9b9bb
MD5 SHA1 SHA512

Score

10^/10

danabot 3 banker discovery spyware stealer trojan

Malware Config

Extracted

Family

danabot

Version

1827

Botnet

192.210.198.12:443
37.220.31.50:443
184.95.51.183:443
184.95.51.175:443

Attributes

embedded_hash
410EB249B3A3D8613B29638D583F7193

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 1 IoCs

flow	pid	Process
4	268	RUNDLL32.EXE

Deletes itself 1 IoCs

pid	Process
1552	rundll32.exe

Loads dropped DLL 8 IoCs

pid	Process
1552	rundll32.exe
1552	rundll32.exe
1552	rundll32.exe
1552	rundll32.exe
268	RUNDLL32.EXE
268	RUNDLL32.EXE
268	RUNDLL32.EXE
268	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

Drops desktop.ini file(s) 3 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\XVLP3GFJ\desktop.ini	RUNDLL32.EXE
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Windows\History\desktop.ini	RUNDLL32.EXE
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\MLS6OOW4\desktop.ini	RUNDLL32.EXE

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	RUNDLL32.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	RUNDLL32.EXE

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
384	powershell.exe
384	powershell.exe
268	RUNDLL32.EXE
268	RUNDLL32.EXE
592	powershell.exe
592	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1552	rundll32.exe
Token: SeDebugPrivilege	268	RUNDLL32.EXE
Token: SeDebugPrivilege	384	powershell.exe
Token: SeDebugPrivilege	592	powershell.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
268	RUNDLL32.EXE

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 1652 wrote to memory of 1552	1652	1f5c2c56cc3b0b3552512bae5ee65e2e.exe	29
PID 1652 wrote to memory of 1552	1652	1f5c2c56cc3b0b3552512bae5ee65e2e.exe	29
PID 1652 wrote to memory of 1552	1652	1f5c2c56cc3b0b3552512bae5ee65e2e.exe	29
PID 1652 wrote to memory of 1552	1652	1f5c2c56cc3b0b3552512bae5ee65e2e.exe	29
PID 1652 wrote to memory of 1552	1652	1f5c2c56cc3b0b3552512bae5ee65e2e.exe	29
PID 1652 wrote to memory of 1552	1652	1f5c2c56cc3b0b3552512bae5ee65e2e.exe	29
PID 1652 wrote to memory of 1552	1652	1f5c2c56cc3b0b3552512bae5ee65e2e.exe	29
PID 1552 wrote to memory of 268	1552	rundll32.exe	30
PID 1552 wrote to memory of 268	1552	rundll32.exe	30
PID 1552 wrote to memory of 268	1552	rundll32.exe	30
PID 1552 wrote to memory of 268	1552	rundll32.exe	30
PID 1552 wrote to memory of 268	1552	rundll32.exe	30
PID 1552 wrote to memory of 268	1552	rundll32.exe	30
PID 1552 wrote to memory of 268	1552	rundll32.exe	30
PID 268 wrote to memory of 384	268	RUNDLL32.EXE	32
PID 268 wrote to memory of 384	268	RUNDLL32.EXE	32
PID 268 wrote to memory of 384	268	RUNDLL32.EXE	32
PID 268 wrote to memory of 384	268	RUNDLL32.EXE	32
PID 268 wrote to memory of 592	268	RUNDLL32.EXE	35
PID 268 wrote to memory of 592	268	RUNDLL32.EXE	35
PID 268 wrote to memory of 592	268	RUNDLL32.EXE	35
PID 268 wrote to memory of 592	268	RUNDLL32.EXE	35
PID 592 wrote to memory of 808	592	powershell.exe	37
PID 592 wrote to memory of 808	592	powershell.exe	37
PID 592 wrote to memory of 808	592	powershell.exe	37
PID 592 wrote to memory of 808	592	powershell.exe	37
PID 268 wrote to memory of 292	268	RUNDLL32.EXE	38
PID 268 wrote to memory of 292	268	RUNDLL32.EXE	38
PID 268 wrote to memory of 292	268	RUNDLL32.EXE	38
PID 268 wrote to memory of 292	268	RUNDLL32.EXE	38
PID 268 wrote to memory of 1076	268	RUNDLL32.EXE	40
PID 268 wrote to memory of 1076	268	RUNDLL32.EXE	40
PID 268 wrote to memory of 1076	268	RUNDLL32.EXE	40
PID 268 wrote to memory of 1076	268	RUNDLL32.EXE	40

C:\Users\Admin\AppData\Local\Temp\1f5c2c56cc3b0b3552512bae5ee65e2e.exe
"C:\Users\Admin\AppData\Local\Temp\1f5c2c56cc3b0b3552512bae5ee65e2e.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1652
- C:\Windows\SysWOW64\rundll32.exe
  C:\Windows\system32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\1F5C2C~1.DLL,Z C:\Users\Admin\AppData\Local\Temp\1F5C2C~1.EXE
  2⤵
  - Deletes itself
  - Loads dropped DLL
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1552
- - C:\Windows\SysWOW64\RUNDLL32.EXE
    C:\Windows\system32\RUNDLL32.EXE C:\Users\Admin\AppData\Local\Temp\1F5C2C~1.DLL,dRpb
    3⤵
    - Blocklisted process makes network request
    - Loads dropped DLL
    - Drops desktop.ini file(s)
    - Checks processor information in registry
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:268
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Executionpolicy bypass -File "C:\Users\Admin\AppData\Local\Temp\tmpEF00.tmp.ps1"
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:384
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Executionpolicy bypass -File "C:\Users\Admin\AppData\Local\Temp\tmp89A.tmp.ps1"
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:592
    - - C:\Windows\SysWOW64\nslookup.exe
        
        "C:\Windows\system32\nslookup.exe" -type=any localhost
        5⤵
        
        PID:808
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /End /tn \Microsoft\Windows\Wininet\CacheTask
      4⤵
      PID:292
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /Run /tn \Microsoft\Windows\Wininet\CacheTask
      4⤵
      PID:1076

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/268-79-0x00000000021F0000-0x00000000027B5000-memory.dmp

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memory/268-82-0x0000000002C91000-0x00000000032F0000-memory.dmp

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memory/268-81-0x00000000027C0000-0x00000000027C1000-memory.dmp

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memory/384-90-0x0000000005340000-0x0000000005341000-memory.dmp

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memory/384-85-0x00000000024D0000-0x00000000024D1000-memory.dmp

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memory/384-94-0x0000000006240000-0x0000000006241000-memory.dmp

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memory/384-99-0x0000000006280000-0x0000000006281000-memory.dmp

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memory/384-101-0x00000000063D0000-0x00000000063D1000-memory.dmp

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memory/384-100-0x000000007EF30000-0x000000007EF31000-memory.dmp

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memory/384-108-0x0000000006370000-0x0000000006371000-memory.dmp

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memory/384-109-0x0000000006460000-0x0000000006461000-memory.dmp

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memory/384-86-0x00000000046B0000-0x00000000046B1000-memory.dmp

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memory/384-89-0x0000000005160000-0x0000000005161000-memory.dmp

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memory/384-88-0x00000000046F0000-0x00000000046F1000-memory.dmp

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memory/384-87-0x00000000046B2000-0x00000000046B3000-memory.dmp

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memory/592-117-0x0000000004850000-0x0000000004851000-memory.dmp

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memory/592-129-0x0000000005730000-0x0000000005731000-memory.dmp

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memory/592-118-0x0000000004852000-0x0000000004853000-memory.dmp

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memory/592-115-0x0000000004810000-0x0000000004811000-memory.dmp

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memory/592-114-0x0000000004890000-0x0000000004891000-memory.dmp

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memory/592-116-0x0000000005300000-0x0000000005301000-memory.dmp

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memory/592-113-0x0000000002420000-0x0000000002421000-memory.dmp

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memory/1552-80-0x00000000000B0000-0x00000000000B1000-memory.dmp

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memory/1552-70-0x0000000002030000-0x00000000025F5000-memory.dmp

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memory/1552-71-0x00000000026C0000-0x00000000026C1000-memory.dmp

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memory/1552-74-0x0000000002A71000-0x00000000030D0000-memory.dmp

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memory/1652-62-0x00000000001B0000-0x00000000001B1000-memory.dmp

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memory/1652-61-0x0000000000400000-0x00000000011DA000-memory.dmp

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memory/1652-59-0x0000000076E11000-0x0000000076E13000-memory.dmp

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memory/1652-60-0x0000000003020000-0x0000000003727000-memory.dmp

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