tinba | f9012c6428899b5f4030fcfcae4dbae78384ed2b418ccdaad3af3667ca05755c

General

Target

f9012c6428899b5f4030fcfcae4dbae78384ed2b418ccdaad3af3667ca05755cN.exe
Size

49KB
MD5

b89a770e34c4f7264bd0678cb619c580
SHA1

8319fbd826afc1e87dbdd3dcc45adfb98aaddedf
SHA256

f9012c6428899b5f4030fcfcae4dbae78384ed2b418ccdaad3af3667ca05755c
SHA512

446a51d55a5835201fac5451fb1a5c5fd63e89860e2255a16ce264a0fde5e28bf135ca98e3d4b22f62cdfca75428fe64804b2bd594df35071995103793b6ad04
SSDEEP

1536:OOBLXNqgzf2v6b6NkXklZlogHGe9eBXW:OYLduv6OqXIlogmjW

Score

10^/10

tinba banker discovery persistence trojan upx

Malware Config

Signatures

Tinba / TinyBanker
Banking trojan which uses packet sniffing to steal data.
trojan banker tinba
Tinba family
tinba

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-1-5-21-805940606-1861219160-370298170-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\82F61BFE = "C:\\Users\\Admin\\AppData\\Roaming\\82F61BFE\\bin.exe"	winver.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1092-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1524	3588	WerFault.exe	86

System Location Discovery: System Language Discovery 1 TTPs 2 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	f9012c6428899b5f4030fcfcae4dbae78384ed2b418ccdaad3af3667ca05755cN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3588	winver.exe
3588	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3620	Explorer.EXE
Token: SeCreatePagefilePrivilege	3620	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3588	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3620	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1092 wrote to memory of 3588	1092	f9012c6428899b5f4030fcfcae4dbae78384ed2b418ccdaad3af3667ca05755cN.exe	86
PID 1092 wrote to memory of 3588	1092	f9012c6428899b5f4030fcfcae4dbae78384ed2b418ccdaad3af3667ca05755cN.exe	86
PID 1092 wrote to memory of 3588	1092	f9012c6428899b5f4030fcfcae4dbae78384ed2b418ccdaad3af3667ca05755cN.exe	86
PID 1092 wrote to memory of 3588	1092	f9012c6428899b5f4030fcfcae4dbae78384ed2b418ccdaad3af3667ca05755cN.exe	86
PID 3588 wrote to memory of 3620	3588	winver.exe	56
PID 3588 wrote to memory of 2532	3588	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2532

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3620
- C:\Users\Admin\AppData\Local\Temp\f9012c6428899b5f4030fcfcae4dbae78384ed2b418ccdaad3af3667ca05755cN.exe
  "C:\Users\Admin\AppData\Local\Temp\f9012c6428899b5f4030fcfcae4dbae78384ed2b418ccdaad3af3667ca05755cN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1092
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:3588
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3588 -s 352
      4⤵
      Program crash
      PID:1524

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 3588 -ip 3588
1⤵
PID:2564

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1092-10-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1092-1-0x0000000000670000-0x0000000000671000-memory.dmp

Filesize
4KB

Download
memory/1092-4-0x00000000021E0000-0x0000000002BE0000-memory.dmp

Filesize
10.0MB

Download
memory/1092-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1092-11-0x00000000021E0000-0x0000000002BE0000-memory.dmp

Filesize
10.0MB

Download
memory/2532-15-0x0000000000840000-0x0000000000846000-memory.dmp

Filesize
24KB

Download
memory/3588-16-0x0000000000840000-0x0000000000846000-memory.dmp

Filesize
24KB

Download
memory/3588-5-0x0000000077AF2000-0x0000000077AF3000-memory.dmp

Filesize
4KB

Download
memory/3588-13-0x0000000000840000-0x0000000000846000-memory.dmp

Filesize
24KB

Download
memory/3588-8-0x00007FF9FE390000-0x00007FF9FE585000-memory.dmp

Filesize
2.0MB

Download
memory/3620-7-0x00007FF9FE42C000-0x00007FF9FE42D000-memory.dmp

Filesize
4KB

Download
memory/3620-9-0x00007FF9FE5C0000-0x00007FF9FE5C1000-memory.dmp

Filesize
4KB

Download
memory/3620-6-0x00007FF9FE42D000-0x00007FF9FE42E000-memory.dmp

Filesize
4KB

Download
memory/3620-3-0x0000000002740000-0x0000000002746000-memory.dmp

Filesize
24KB

Download
memory/3620-2-0x0000000002740000-0x0000000002746000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads