tinba | df4f7c8d705ccdabe10ae6cf124935a5a936c334f3fdb42c068123d1f89cc28f

General

Target

df4f7c8d705ccdabe10ae6cf124935a5a936c334f3fdb42c068123d1f89cc28fN.exe
Size

45KB
MD5

b157b54ebf38878c22c3f019dadec810
SHA1

09b35f9d98864d76ed6a3da56c9bb916d3bb6f06
SHA256

df4f7c8d705ccdabe10ae6cf124935a5a936c334f3fdb42c068123d1f89cc28f
SHA512

ed27027dccb88c9f6230104f5aa86cb6b7261031130d00959b1dce7612d3703ad97f7acd5efb44ad3b8a13f40965903760a584f428f30f7e3e1288d8047f8faf
SSDEEP

768:XhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:xsWE9N5dFu53dsniQaB/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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\9563C449 = "C:\\Users\\Admin\\AppData\\Roaming\\9563C449\\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/2408-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
664	1260	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	df4f7c8d705ccdabe10ae6cf124935a5a936c334f3fdb42c068123d1f89cc28fN.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
1260	winver.exe
1260	winver.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3444	Explorer.EXE
Token: SeCreatePagefilePrivilege	3444	Explorer.EXE
Token: SeShutdownPrivilege	3444	Explorer.EXE
Token: SeCreatePagefilePrivilege	3444	Explorer.EXE
Token: SeShutdownPrivilege	3444	Explorer.EXE
Token: SeCreatePagefilePrivilege	3444	Explorer.EXE
Token: SeShutdownPrivilege	3444	Explorer.EXE
Token: SeCreatePagefilePrivilege	3444	Explorer.EXE
Token: SeShutdownPrivilege	3444	Explorer.EXE
Token: SeCreatePagefilePrivilege	3444	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1260	winver.exe
3444	Explorer.EXE
3444	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3444	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2408 wrote to memory of 1260	2408	df4f7c8d705ccdabe10ae6cf124935a5a936c334f3fdb42c068123d1f89cc28fN.exe	86
PID 2408 wrote to memory of 1260	2408	df4f7c8d705ccdabe10ae6cf124935a5a936c334f3fdb42c068123d1f89cc28fN.exe	86
PID 2408 wrote to memory of 1260	2408	df4f7c8d705ccdabe10ae6cf124935a5a936c334f3fdb42c068123d1f89cc28fN.exe	86
PID 2408 wrote to memory of 1260	2408	df4f7c8d705ccdabe10ae6cf124935a5a936c334f3fdb42c068123d1f89cc28fN.exe	86
PID 1260 wrote to memory of 3444	1260	winver.exe	56
PID 1260 wrote to memory of 3040	1260	winver.exe	51

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:3040

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:3444
- C:\Users\Admin\AppData\Local\Temp\df4f7c8d705ccdabe10ae6cf124935a5a936c334f3fdb42c068123d1f89cc28fN.exe
  "C:\Users\Admin\AppData\Local\Temp\df4f7c8d705ccdabe10ae6cf124935a5a936c334f3fdb42c068123d1f89cc28fN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2408
- - 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:1260
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1260 -s 352
      4⤵
      Program crash
      PID:664

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1260 -ip 1260
1⤵
PID:4868

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/1260-17-0x00000000009B0000-0x00000000009B6000-memory.dmp

Filesize
24KB

Download
memory/1260-5-0x00000000778B2000-0x00000000778B3000-memory.dmp

Filesize
4KB

Download
memory/1260-7-0x00007FFCD4850000-0x00007FFCD4A45000-memory.dmp

Filesize
2.0MB

Download
memory/1260-14-0x00000000009B0000-0x00000000009B6000-memory.dmp

Filesize
24KB

Download
memory/2408-10-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2408-1-0x00000000004F0000-0x00000000004F1000-memory.dmp

Filesize
4KB

Download
memory/2408-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2408-4-0x0000000002200000-0x0000000002C00000-memory.dmp

Filesize
10.0MB

Download
memory/2408-11-0x0000000002200000-0x0000000002C00000-memory.dmp

Filesize
10.0MB

Download
memory/3040-16-0x0000000000020000-0x0000000000026000-memory.dmp

Filesize
24KB

Download
memory/3444-2-0x0000000000B20000-0x0000000000B26000-memory.dmp

Filesize
24KB

Download
memory/3444-12-0x00007FFCD4A60000-0x00007FFCD4A61000-memory.dmp

Filesize
4KB

Download
memory/3444-8-0x00007FFCD4A80000-0x00007FFCD4A81000-memory.dmp

Filesize
4KB

Download
memory/3444-6-0x00007FFCD48ED000-0x00007FFCD48EE000-memory.dmp

Filesize
4KB

Download
memory/3444-3-0x0000000000B20000-0x0000000000B26000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads