tinba | 74fda7488b57c76f64e63dde6cbf309af4b30b91c1018d46f557a108d8a98826

General

Target

74fda7488b57c76f64e63dde6cbf309af4b30b91c1018d46f557a108d8a98826N.exe
Size

45KB
MD5

9b3ce72ed0e9d2c6d19908c61abac1c0
SHA1

6ebcc6d90d6b5144ca9399406826007652e61ef4
SHA256

74fda7488b57c76f64e63dde6cbf309af4b30b91c1018d46f557a108d8a98826
SHA512

9880a3db40f2df3fa320cbb5c43cc9bbc91fcdbb2e497b5323128c97e1a3ac8fe8125708a6c571aa8ecf6c42bb93f2a5f0fcac215eaf1c4a4518a7510368cc4f
SSDEEP

768:NhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2V:vsWE9N5dFu53dsniQaB/xZ14n7zIF+q5

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\54ECA222 = "C:\\Users\\Admin\\AppData\\Roaming\\54ECA222\\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/2228-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2944	3084	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	74fda7488b57c76f64e63dde6cbf309af4b30b91c1018d46f557a108d8a98826N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3084	winver.exe
3084	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3468	Explorer.EXE
Token: SeCreatePagefilePrivilege	3468	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3084	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3468	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2228 wrote to memory of 3084	2228	74fda7488b57c76f64e63dde6cbf309af4b30b91c1018d46f557a108d8a98826N.exe	86
PID 2228 wrote to memory of 3084	2228	74fda7488b57c76f64e63dde6cbf309af4b30b91c1018d46f557a108d8a98826N.exe	86
PID 2228 wrote to memory of 3084	2228	74fda7488b57c76f64e63dde6cbf309af4b30b91c1018d46f557a108d8a98826N.exe	86
PID 2228 wrote to memory of 3084	2228	74fda7488b57c76f64e63dde6cbf309af4b30b91c1018d46f557a108d8a98826N.exe	86
PID 3084 wrote to memory of 3468	3084	winver.exe	56
PID 3084 wrote to memory of 3056	3084	winver.exe	51

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:3056

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3468
- C:\Users\Admin\AppData\Local\Temp\74fda7488b57c76f64e63dde6cbf309af4b30b91c1018d46f557a108d8a98826N.exe
  "C:\Users\Admin\AppData\Local\Temp\74fda7488b57c76f64e63dde6cbf309af4b30b91c1018d46f557a108d8a98826N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2228
- - 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:3084
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3084 -s 352
      4⤵
      Program crash
      PID:2944

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3084 -ip 3084
1⤵
PID:4812

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/2228-10-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2228-1-0x0000000000770000-0x0000000000771000-memory.dmp

Filesize
4KB

Download
memory/2228-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2228-4-0x00000000021C0000-0x0000000002BC0000-memory.dmp

Filesize
10.0MB

Download
memory/2228-11-0x00000000021C0000-0x0000000002BC0000-memory.dmp

Filesize
10.0MB

Download
memory/3056-15-0x00000000009F0000-0x00000000009F6000-memory.dmp

Filesize
24KB

Download
memory/3084-16-0x0000000000DA0000-0x0000000000DA6000-memory.dmp

Filesize
24KB

Download
memory/3084-6-0x0000000077B22000-0x0000000077B23000-memory.dmp

Filesize
4KB

Download
memory/3084-5-0x0000000000DA0000-0x0000000000DA6000-memory.dmp

Filesize
24KB

Download
memory/3084-8-0x00007FFDBA6F0000-0x00007FFDBA8E5000-memory.dmp

Filesize
2.0MB

Download
memory/3468-2-0x0000000000EE0000-0x0000000000EE6000-memory.dmp

Filesize
24KB

Download
memory/3468-9-0x00007FFDBA920000-0x00007FFDBA921000-memory.dmp

Filesize
4KB

Download
memory/3468-7-0x00007FFDBA78D000-0x00007FFDBA78E000-memory.dmp

Filesize
4KB

Download
memory/3468-3-0x0000000000EE0000-0x0000000000EE6000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads