tinba | 30fb1e93fd479c262c7917661c38b2ddf3419fc7da4262cc16e6ad8ad62019b7

General

Target

30fb1e93fd479c262c7917661c38b2ddf3419fc7da4262cc16e6ad8ad62019b7N.exe
Size

88KB
MD5

30f57c51f95464aed3aa7df527ae7340
SHA1

4d720251ea9bb86abd55be42b67c7a1963e7d1c5
SHA256

30fb1e93fd479c262c7917661c38b2ddf3419fc7da4262cc16e6ad8ad62019b7
SHA512

fe9d5077efcb3a2daea1353ca26ee018f9bd1a11281eacdc4a1a668f101b6ac2a300abc033c4605bb50a8ac584575f531efff1c9d68c8ac81c9fedba7b1a3aed
SSDEEP

1536:pz44CpRkr9DXhHf3aOd/56RrkQqjh+rmKVsN:pzvokZR/KM/ysjwqWsN

Score

10^/10

tinba banker discovery persistence trojan

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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\FD55934F = "C:\\Users\\Admin\\AppData\\Roaming\\FD55934F\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2728	2796	WerFault.exe	85

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	30fb1e93fd479c262c7917661c38b2ddf3419fc7da4262cc16e6ad8ad62019b7N.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
2796	winver.exe
2796	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3392	Explorer.EXE
Token: SeCreatePagefilePrivilege	3392	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2796	winver.exe
3392	Explorer.EXE
3392	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3392	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4124 wrote to memory of 2796	4124	30fb1e93fd479c262c7917661c38b2ddf3419fc7da4262cc16e6ad8ad62019b7N.exe	85
PID 4124 wrote to memory of 2796	4124	30fb1e93fd479c262c7917661c38b2ddf3419fc7da4262cc16e6ad8ad62019b7N.exe	85
PID 4124 wrote to memory of 2796	4124	30fb1e93fd479c262c7917661c38b2ddf3419fc7da4262cc16e6ad8ad62019b7N.exe	85
PID 4124 wrote to memory of 2796	4124	30fb1e93fd479c262c7917661c38b2ddf3419fc7da4262cc16e6ad8ad62019b7N.exe	85
PID 2796 wrote to memory of 3392	2796	winver.exe	56
PID 2796 wrote to memory of 2316	2796	winver.exe	51

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2316

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:3392
- C:\Users\Admin\AppData\Local\Temp\30fb1e93fd479c262c7917661c38b2ddf3419fc7da4262cc16e6ad8ad62019b7N.exe
  "C:\Users\Admin\AppData\Local\Temp\30fb1e93fd479c262c7917661c38b2ddf3419fc7da4262cc16e6ad8ad62019b7N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4124
- - 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:2796
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2796 -s 352
      4⤵
      Program crash
      PID:2728

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2796 -ip 2796
1⤵
PID:1068

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/2316-17-0x00007FFE752D0000-0x00007FFE752D1000-memory.dmp

Filesize
4KB

Download
memory/2316-14-0x0000000000890000-0x0000000000896000-memory.dmp

Filesize
24KB

Download
memory/2796-12-0x0000000000DD0000-0x0000000000DD6000-memory.dmp

Filesize
24KB

Download
memory/2796-4-0x00000000774C2000-0x00000000774C3000-memory.dmp

Filesize
4KB

Download
memory/2796-6-0x00007FFE750B0000-0x00007FFE752A5000-memory.dmp

Filesize
2.0MB

Download
memory/2796-15-0x0000000000DD0000-0x0000000000DD6000-memory.dmp

Filesize
24KB

Download
memory/3392-1-0x0000000001470000-0x0000000001476000-memory.dmp

Filesize
24KB

Download
memory/3392-2-0x0000000001470000-0x0000000001476000-memory.dmp

Filesize
24KB

Download
memory/3392-5-0x00007FFE7514D000-0x00007FFE7514E000-memory.dmp

Filesize
4KB

Download
memory/3392-7-0x00007FFE752E0000-0x00007FFE752E1000-memory.dmp

Filesize
4KB

Download
memory/3392-10-0x00007FFE752C0000-0x00007FFE752C1000-memory.dmp

Filesize
4KB

Download
memory/4124-3-0x0000000002090000-0x0000000002A90000-memory.dmp

Filesize
10.0MB

Download
memory/4124-9-0x0000000002090000-0x0000000002A90000-memory.dmp

Filesize
10.0MB

Download
memory/4124-8-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4124-0-0x0000000000590000-0x0000000000591000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads