tinba | e6ea7c6669ecea023be03a5d1a893ac2a3670d7b1d0ef2a07682dff44c7b6950

General

Target

e6ea7c6669ecea023be03a5d1a893ac2a3670d7b1d0ef2a07682dff44c7b6950N.exe
Size

110KB
MD5

77a393cab0bb87eb4692436cb7142100
SHA1

c76f8cd9d48909d951509176061ff960d3d89819
SHA256

e6ea7c6669ecea023be03a5d1a893ac2a3670d7b1d0ef2a07682dff44c7b6950
SHA512

a7cc90b539b29fc48d9950e23d76c299f46225883301c584b3bfc172856761fa4fec3a7b5598493f18d6cf6819cc6b2fe8a76d092fe0243ae7069e3c52a7eb54
SSDEEP

1536:giLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:giyvRmDLs/ZrwWJjAqGcRJ2hg

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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\C247FFF1 = "C:\\Users\\Admin\\AppData\\Roaming\\C247FFF1\\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/5116-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
512	228	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	e6ea7c6669ecea023be03a5d1a893ac2a3670d7b1d0ef2a07682dff44c7b6950N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
228	winver.exe
228	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3144	Explorer.EXE
Token: SeCreatePagefilePrivilege	3144	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
228	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3144	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5116 wrote to memory of 228	5116	e6ea7c6669ecea023be03a5d1a893ac2a3670d7b1d0ef2a07682dff44c7b6950N.exe	85
PID 5116 wrote to memory of 228	5116	e6ea7c6669ecea023be03a5d1a893ac2a3670d7b1d0ef2a07682dff44c7b6950N.exe	85
PID 5116 wrote to memory of 228	5116	e6ea7c6669ecea023be03a5d1a893ac2a3670d7b1d0ef2a07682dff44c7b6950N.exe	85
PID 5116 wrote to memory of 228	5116	e6ea7c6669ecea023be03a5d1a893ac2a3670d7b1d0ef2a07682dff44c7b6950N.exe	85
PID 228 wrote to memory of 3144	228	winver.exe	54
PID 228 wrote to memory of 2536	228	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2536

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3144
- C:\Users\Admin\AppData\Local\Temp\e6ea7c6669ecea023be03a5d1a893ac2a3670d7b1d0ef2a07682dff44c7b6950N.exe
  "C:\Users\Admin\AppData\Local\Temp\e6ea7c6669ecea023be03a5d1a893ac2a3670d7b1d0ef2a07682dff44c7b6950N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5116
- - 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:228
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 228 -s 352
      4⤵
      Program crash
      PID:512

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 228 -ip 228
1⤵
PID:1844

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/228-7-0x00007FFA32290000-0x00007FFA32485000-memory.dmp

Filesize
2.0MB

Download
memory/228-16-0x0000000001390000-0x0000000001396000-memory.dmp

Filesize
24KB

Download
memory/228-13-0x0000000001390000-0x0000000001396000-memory.dmp

Filesize
24KB

Download
memory/228-5-0x0000000077192000-0x0000000077193000-memory.dmp

Filesize
4KB

Download
memory/2536-18-0x00007FFA324B0000-0x00007FFA324B1000-memory.dmp

Filesize
4KB

Download
memory/2536-15-0x0000000000B00000-0x0000000000B06000-memory.dmp

Filesize
24KB

Download
memory/3144-6-0x00007FFA3232D000-0x00007FFA3232E000-memory.dmp

Filesize
4KB

Download
memory/3144-11-0x00007FFA324C0000-0x00007FFA324C1000-memory.dmp

Filesize
4KB

Download
memory/3144-2-0x0000000001E70000-0x0000000001E76000-memory.dmp

Filesize
24KB

Download
memory/3144-3-0x0000000001E70000-0x0000000001E76000-memory.dmp

Filesize
24KB

Download
memory/5116-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/5116-9-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/5116-10-0x00000000021A0000-0x0000000002BA0000-memory.dmp

Filesize
10.0MB

Download
memory/5116-4-0x00000000021A0000-0x0000000002BA0000-memory.dmp

Filesize
10.0MB

Download
memory/5116-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads