tinba | e9ab46c55104051892dbe2da071c11ed21371b9b77a5cf4450223e52b58207f8

General

Target

e26fe918e50c3dacbcb9458cccb7aaa0N.exe
Size

45KB
MD5

e26fe918e50c3dacbcb9458cccb7aaa0
SHA1

c917cf14fe950164c37e281db193d5c9bd0666b8
SHA256

e9ab46c55104051892dbe2da071c11ed21371b9b77a5cf4450223e52b58207f8
SHA512

9ba0cf828e11d371f0e69ccdf22b43c9dd9384111291c491d74745c047e567dc5869a8f42511f3a230b1f748e441b5b1356ad6c674c3fcf3f6d87260a4b83ea5
SSDEEP

768:HhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:BsWE9N5dFu53dsniQaB/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

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1900-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

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-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\724C1657 = "C:\\Users\\Admin\\AppData\\Roaming\\724C1657\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2592	5100	WerFault.exe	83

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	e26fe918e50c3dacbcb9458cccb7aaa0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5100	winver.exe
5100	winver.exe

Suspicious use of AdjustPrivilegeToken 18 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3484	Explorer.EXE
Token: SeCreatePagefilePrivilege	3484	Explorer.EXE
Token: SeShutdownPrivilege	3484	Explorer.EXE
Token: SeCreatePagefilePrivilege	3484	Explorer.EXE
Token: SeShutdownPrivilege	3484	Explorer.EXE
Token: SeCreatePagefilePrivilege	3484	Explorer.EXE
Token: SeShutdownPrivilege	3484	Explorer.EXE
Token: SeCreatePagefilePrivilege	3484	Explorer.EXE
Token: SeShutdownPrivilege	3484	Explorer.EXE
Token: SeCreatePagefilePrivilege	3484	Explorer.EXE
Token: SeShutdownPrivilege	3484	Explorer.EXE
Token: SeCreatePagefilePrivilege	3484	Explorer.EXE
Token: SeShutdownPrivilege	3484	Explorer.EXE
Token: SeCreatePagefilePrivilege	3484	Explorer.EXE
Token: SeShutdownPrivilege	3484	Explorer.EXE
Token: SeCreatePagefilePrivilege	3484	Explorer.EXE
Token: SeShutdownPrivilege	3484	Explorer.EXE
Token: SeCreatePagefilePrivilege	3484	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
5100	winver.exe
3484	Explorer.EXE
3484	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3484	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1900 wrote to memory of 5100	1900	e26fe918e50c3dacbcb9458cccb7aaa0N.exe	83
PID 1900 wrote to memory of 5100	1900	e26fe918e50c3dacbcb9458cccb7aaa0N.exe	83
PID 1900 wrote to memory of 5100	1900	e26fe918e50c3dacbcb9458cccb7aaa0N.exe	83
PID 1900 wrote to memory of 5100	1900	e26fe918e50c3dacbcb9458cccb7aaa0N.exe	83
PID 5100 wrote to memory of 3484	5100	winver.exe	56
PID 5100 wrote to memory of 2656	5100	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2656

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
PID:3484
- C:\Users\Admin\AppData\Local\Temp\e26fe918e50c3dacbcb9458cccb7aaa0N.exe
  "C:\Users\Admin\AppData\Local\Temp\e26fe918e50c3dacbcb9458cccb7aaa0N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1900
- - 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:5100
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5100 -s 356
      4⤵
      Program crash
      PID:2592

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 5100 -ip 5100
1⤵
PID:4400

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/1900-10-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1900-1-0x0000000002020000-0x0000000002021000-memory.dmp

Filesize
4KB

Download
memory/1900-11-0x0000000002100000-0x0000000002B00000-memory.dmp

Filesize
10.0MB

Download
memory/1900-4-0x0000000002100000-0x0000000002B00000-memory.dmp

Filesize
10.0MB

Download
memory/1900-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2656-16-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/3484-12-0x00007FF91FD20000-0x00007FF91FD21000-memory.dmp

Filesize
4KB

Download
memory/3484-3-0x0000000000910000-0x0000000000916000-memory.dmp

Filesize
24KB

Download
memory/3484-2-0x0000000000910000-0x0000000000916000-memory.dmp

Filesize
24KB

Download
memory/3484-8-0x00007FF91FD40000-0x00007FF91FD41000-memory.dmp

Filesize
4KB

Download
memory/3484-6-0x00007FF91FBAD000-0x00007FF91FBAE000-memory.dmp

Filesize
4KB

Download
memory/5100-5-0x0000000077012000-0x0000000077013000-memory.dmp

Filesize
4KB

Download
memory/5100-14-0x0000000000D80000-0x0000000000D86000-memory.dmp

Filesize
24KB

Download
memory/5100-7-0x00007FF91FB10000-0x00007FF91FD05000-memory.dmp

Filesize
2.0MB

Download
memory/5100-17-0x0000000000D80000-0x0000000000D86000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads