tinba | 6a47dec02ded67e43ac7ca1be4314a42d7c890a2baffddfc4c7b0a303ea5efd4

General

Target

6a47dec02ded67e43ac7ca1be4314a42d7c890a2baffddfc4c7b0a303ea5efd4N.exe
Size

45KB
MD5

7c0b21e5d956ad8b9d4e31c6c9afad40
SHA1

d3a365d7143dfc1578d26aaac1c94b17e2a41011
SHA256

6a47dec02ded67e43ac7ca1be4314a42d7c890a2baffddfc4c7b0a303ea5efd4
SHA512

1858d46bd7eaaa4d876ceb8a7ca52cebf906091590ac50d809600ebfbd15c7266b246eeacb0c2b5241fdd9e1c70ce3d2836bb453cb327e2f97636ecb05af5a37
SSDEEP

768:ZhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:DsWE9N5dFu53dsniQaB/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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\EFB4D92D = "C:\\Users\\Admin\\AppData\\Roaming\\EFB4D92D\\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/3856-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3892	952	WerFault.exe	84

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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6a47dec02ded67e43ac7ca1be4314a42d7c890a2baffddfc4c7b0a303ea5efd4N.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
952	winver.exe
952	winver.exe

Suspicious use of AdjustPrivilegeToken 6 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

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
952	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 3856 wrote to memory of 952	3856	6a47dec02ded67e43ac7ca1be4314a42d7c890a2baffddfc4c7b0a303ea5efd4N.exe	84
PID 3856 wrote to memory of 952	3856	6a47dec02ded67e43ac7ca1be4314a42d7c890a2baffddfc4c7b0a303ea5efd4N.exe	84
PID 3856 wrote to memory of 952	3856	6a47dec02ded67e43ac7ca1be4314a42d7c890a2baffddfc4c7b0a303ea5efd4N.exe	84
PID 3856 wrote to memory of 952	3856	6a47dec02ded67e43ac7ca1be4314a42d7c890a2baffddfc4c7b0a303ea5efd4N.exe	84
PID 952 wrote to memory of 3444	952	winver.exe	56
PID 952 wrote to memory of 2940	952	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2940

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\6a47dec02ded67e43ac7ca1be4314a42d7c890a2baffddfc4c7b0a303ea5efd4N.exe
  "C:\Users\Admin\AppData\Local\Temp\6a47dec02ded67e43ac7ca1be4314a42d7c890a2baffddfc4c7b0a303ea5efd4N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3856
- - 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:952
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 952 -s 356
      4⤵
      Program crash
      PID:3892

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 952 -ip 952
1⤵
PID:4136

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/952-17-0x0000000001470000-0x0000000001476000-memory.dmp

Filesize
24KB

Download
memory/952-5-0x0000000077902000-0x0000000077903000-memory.dmp

Filesize
4KB

Download
memory/952-7-0x00007FFF66610000-0x00007FFF66805000-memory.dmp

Filesize
2.0MB

Download
memory/952-14-0x0000000001470000-0x0000000001476000-memory.dmp

Filesize
24KB

Download
memory/2940-16-0x0000000000E40000-0x0000000000E46000-memory.dmp

Filesize
24KB

Download
memory/3444-12-0x00007FFF66820000-0x00007FFF66821000-memory.dmp

Filesize
4KB

Download
memory/3444-3-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/3444-2-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/3444-6-0x00007FFF666AD000-0x00007FFF666AE000-memory.dmp

Filesize
4KB

Download
memory/3444-8-0x00007FFF66840000-0x00007FFF66841000-memory.dmp

Filesize
4KB

Download
memory/3856-4-0x0000000002200000-0x0000000002C00000-memory.dmp

Filesize
10.0MB

Download
memory/3856-11-0x0000000002200000-0x0000000002C00000-memory.dmp

Filesize
10.0MB

Download
memory/3856-10-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3856-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3856-1-0x00000000004A0000-0x00000000004A1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads