tinba | 77073236e4b49efbbce3a614baee92cf3dd924ce043a2b12c94256c0b34fee3b

General

Target

77073236e4b49efbbce3a614baee92cf3dd924ce043a2b12c94256c0b34fee3b.exe
Size

45KB
MD5

854cf72bde3f7d8ebfa7c7c201a77bde
SHA1

95f55fb687c3e5169cb39667dde5c161ee6cbe25
SHA256

77073236e4b49efbbce3a614baee92cf3dd924ce043a2b12c94256c0b34fee3b
SHA512

5bec7da5a2d0533d69a6d3a2526a4cdf5023b7a3e0a6d52a35c605bf9500b95913fb5f8ae0cb6e4f283962c3ab08c99d754e83544e70f874865b6e669d642f63
SSDEEP

768:5hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:jsWE9N5dFu53dsniQaB/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

Processes:

winver.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\12F46AAF = "C:\\Users\\Admin\\AppData\\Roaming\\12F46AAF\\bin.exe"	winver.exe

UPX packed file 1 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/1568-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1632 2756 WerFault.exe winver.exe

pid	pid_target	process	target process
1632	2756	WerFault.exe	winver.exe

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

Processes:

77073236e4b49efbbce3a614baee92cf3dd924ce043a2b12c94256c0b34fee3b.exewinver.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	77073236e4b49efbbce3a614baee92cf3dd924ce043a2b12c94256c0b34fee3b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Modifies registry class 1 IoCs

Processes:

Explorer.EXE

description ioc process

Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ Explorer.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

winver.exe

pid process

2756 winver.exe
2756 winver.exe

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

pid	process
2756	winver.exe
2756	winver.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

Processes:

Explorer.EXE

description	pid	process
Token: SeShutdownPrivilege	3524	Explorer.EXE
Token: SeCreatePagefilePrivilege	3524	Explorer.EXE
Token: SeShutdownPrivilege	3524	Explorer.EXE
Token: SeCreatePagefilePrivilege	3524	Explorer.EXE
Token: SeShutdownPrivilege	3524	Explorer.EXE
Token: SeCreatePagefilePrivilege	3524	Explorer.EXE
Token: SeShutdownPrivilege	3524	Explorer.EXE
Token: SeCreatePagefilePrivilege	3524	Explorer.EXE
Token: SeShutdownPrivilege	3524	Explorer.EXE
Token: SeCreatePagefilePrivilege	3524	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

winver.exeExplorer.EXE

pid process

2756 winver.exe
3524 Explorer.EXE
3524 Explorer.EXE
Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

3524 Explorer.EXE

pid	process
2756	winver.exe
3524	Explorer.EXE
3524	Explorer.EXE

pid	process
3524	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

77073236e4b49efbbce3a614baee92cf3dd924ce043a2b12c94256c0b34fee3b.exewinver.exe

description	pid	process	target process
PID 1568 wrote to memory of 2756	1568	77073236e4b49efbbce3a614baee92cf3dd924ce043a2b12c94256c0b34fee3b.exe	winver.exe
PID 1568 wrote to memory of 2756	1568	77073236e4b49efbbce3a614baee92cf3dd924ce043a2b12c94256c0b34fee3b.exe	winver.exe
PID 1568 wrote to memory of 2756	1568	77073236e4b49efbbce3a614baee92cf3dd924ce043a2b12c94256c0b34fee3b.exe	winver.exe
PID 1568 wrote to memory of 2756	1568	77073236e4b49efbbce3a614baee92cf3dd924ce043a2b12c94256c0b34fee3b.exe	winver.exe
PID 2756 wrote to memory of 3524	2756	winver.exe	Explorer.EXE
PID 2756 wrote to memory of 2652	2756	winver.exe	sihost.exe

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2652

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:3524
- C:\Users\Admin\AppData\Local\Temp\77073236e4b49efbbce3a614baee92cf3dd924ce043a2b12c94256c0b34fee3b.exe
  "C:\Users\Admin\AppData\Local\Temp\77073236e4b49efbbce3a614baee92cf3dd924ce043a2b12c94256c0b34fee3b.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1568
- - 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:2756
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2756 -s 352
      4⤵
      Program crash
      PID:1632

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2756 -ip 2756
1⤵
PID:4500

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/1568-11-0x0000000002240000-0x0000000002C40000-memory.dmp

Filesize
10.0MB

Download
memory/1568-1-0x00000000004D0000-0x00000000004D1000-memory.dmp

Filesize
4KB

Download
memory/1568-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1568-4-0x0000000002240000-0x0000000002C40000-memory.dmp

Filesize
10.0MB

Download
memory/1568-10-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2652-16-0x0000000000A90000-0x0000000000A96000-memory.dmp

Filesize
24KB

Download
memory/2756-17-0x0000000000D70000-0x0000000000D76000-memory.dmp

Filesize
24KB

Download
memory/2756-5-0x0000000077C92000-0x0000000077C93000-memory.dmp

Filesize
4KB

Download
memory/2756-7-0x00007FF9349B0000-0x00007FF934BA5000-memory.dmp

Filesize
2.0MB

Download
memory/2756-14-0x0000000000D70000-0x0000000000D76000-memory.dmp

Filesize
24KB

Download
memory/3524-2-0x0000000000A10000-0x0000000000A16000-memory.dmp

Filesize
24KB

Download
memory/3524-12-0x00007FF934BC0000-0x00007FF934BC1000-memory.dmp

Filesize
4KB

Download
memory/3524-8-0x00007FF934BE0000-0x00007FF934BE1000-memory.dmp

Filesize
4KB

Download
memory/3524-6-0x00007FF934A4D000-0x00007FF934A4E000-memory.dmp

Filesize
4KB

Download
memory/3524-3-0x0000000000A10000-0x0000000000A16000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads