tinba | 71280f723b92af0ca3dd03c09311d32f6ee0a5deb99fb34b1174c0519945ff8c

General

Target

71280f723b92af0ca3dd03c09311d32f6ee0a5deb99fb34b1174c0519945ff8cN.exe
Size

45KB
MD5

4de6778d10c576ad514a6246e7dbced0
SHA1

5452e8183e010a39f5d2fd0cf39a59941a837330
SHA256

71280f723b92af0ca3dd03c09311d32f6ee0a5deb99fb34b1174c0519945ff8c
SHA512

c01bb3ededf72c88b59b5dedeacfb47b86d28e2073c34df7f38d2103e662f4c210b1b3fb6f29d0e71761269a682b784c00854fb3b289b22952898fe615fcbae2
SSDEEP

768:nhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:hsWE9N5dFu53dsniQaB/xZ14n7zIF+qr

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-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\02A4A725 = "C:\\Users\\Admin\\AppData\\Roaming\\02A4A725\\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/2068-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3184	1084	WerFault.exe	84

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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	71280f723b92af0ca3dd03c09311d32f6ee0a5deb99fb34b1174c0519945ff8cN.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1084	winver.exe
1084	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3520	Explorer.EXE
Token: SeCreatePagefilePrivilege	3520	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1084	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2068 wrote to memory of 1084	2068	71280f723b92af0ca3dd03c09311d32f6ee0a5deb99fb34b1174c0519945ff8cN.exe	84
PID 2068 wrote to memory of 1084	2068	71280f723b92af0ca3dd03c09311d32f6ee0a5deb99fb34b1174c0519945ff8cN.exe	84
PID 2068 wrote to memory of 1084	2068	71280f723b92af0ca3dd03c09311d32f6ee0a5deb99fb34b1174c0519945ff8cN.exe	84
PID 2068 wrote to memory of 1084	2068	71280f723b92af0ca3dd03c09311d32f6ee0a5deb99fb34b1174c0519945ff8cN.exe	84
PID 1084 wrote to memory of 3520	1084	winver.exe	56
PID 1084 wrote to memory of 2948	1084	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2948

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3520
- C:\Users\Admin\AppData\Local\Temp\71280f723b92af0ca3dd03c09311d32f6ee0a5deb99fb34b1174c0519945ff8cN.exe
  "C:\Users\Admin\AppData\Local\Temp\71280f723b92af0ca3dd03c09311d32f6ee0a5deb99fb34b1174c0519945ff8cN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2068
- - 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:1084
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1084 -s 352
      4⤵
      Program crash
      PID:3184

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1084 -ip 1084
1⤵
PID:2688

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/1084-5-0x0000000077CA2000-0x0000000077CA3000-memory.dmp

Filesize
4KB

Download
memory/1084-14-0x0000000002C30000-0x0000000002C36000-memory.dmp

Filesize
24KB

Download
memory/1084-11-0x0000000002C30000-0x0000000002C36000-memory.dmp

Filesize
24KB

Download
memory/1084-7-0x00007FF906710000-0x00007FF906905000-memory.dmp

Filesize
2.0MB

Download
memory/2068-9-0x00000000022C0000-0x0000000002CC0000-memory.dmp

Filesize
10.0MB

Download
memory/2068-4-0x00000000022C0000-0x0000000002CC0000-memory.dmp

Filesize
10.0MB

Download
memory/2068-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2068-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2068-1-0x00000000005B0000-0x00000000005B1000-memory.dmp

Filesize
4KB

Download
memory/2948-13-0x0000000000F60000-0x0000000000F66000-memory.dmp

Filesize
24KB

Download
memory/2948-15-0x0000000000F60000-0x0000000000F66000-memory.dmp

Filesize
24KB

Download
memory/3520-6-0x00007FF9067AD000-0x00007FF9067AE000-memory.dmp

Filesize
4KB

Download
memory/3520-2-0x0000000000B10000-0x0000000000B16000-memory.dmp

Filesize
24KB

Download
memory/3520-3-0x0000000000B10000-0x0000000000B16000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads