tinba | fe7b8cdc39247a1366c2f04d91a4ac93385177879509c02ac3761e5f637e85a0

General

Target

fe7b8cdc39247a1366c2f04d91a4ac93385177879509c02ac3761e5f637e85a0N.exe
Size

110KB
MD5

e18be89a930b6126348f95012530fd10
SHA1

61974400e8ae35973a58bc9f14e50377a569e8fa
SHA256

fe7b8cdc39247a1366c2f04d91a4ac93385177879509c02ac3761e5f637e85a0
SHA512

93cacbf2a69717da47e136a1e8300ca8f204be2c7864cc35d86e41e4c2bdfade7b60330eab9a875d9f51bb052cac5324d6729e8b654cba10249523d91645f297
SSDEEP

1536:KiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:KiyvRmDLs/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-1-5-21-805940606-1861219160-370298170-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\F17F7DB3 = "C:\\Users\\Admin\\AppData\\Roaming\\F17F7DB3\\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/1548-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1424	4720	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	fe7b8cdc39247a1366c2f04d91a4ac93385177879509c02ac3761e5f637e85a0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4720	winver.exe
4720	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3440	Explorer.EXE
Token: SeCreatePagefilePrivilege	3440	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4720	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3440	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1548 wrote to memory of 4720	1548	fe7b8cdc39247a1366c2f04d91a4ac93385177879509c02ac3761e5f637e85a0N.exe	85
PID 1548 wrote to memory of 4720	1548	fe7b8cdc39247a1366c2f04d91a4ac93385177879509c02ac3761e5f637e85a0N.exe	85
PID 1548 wrote to memory of 4720	1548	fe7b8cdc39247a1366c2f04d91a4ac93385177879509c02ac3761e5f637e85a0N.exe	85
PID 1548 wrote to memory of 4720	1548	fe7b8cdc39247a1366c2f04d91a4ac93385177879509c02ac3761e5f637e85a0N.exe	85
PID 4720 wrote to memory of 3440	4720	winver.exe	56
PID 4720 wrote to memory of 2984	4720	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2984

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3440
- C:\Users\Admin\AppData\Local\Temp\fe7b8cdc39247a1366c2f04d91a4ac93385177879509c02ac3761e5f637e85a0N.exe
  "C:\Users\Admin\AppData\Local\Temp\fe7b8cdc39247a1366c2f04d91a4ac93385177879509c02ac3761e5f637e85a0N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1548
- - 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:4720
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4720 -s 352
      4⤵
      Program crash
      PID:1424

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4720 -ip 4720
1⤵
PID:4624

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/1548-10-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1548-1-0x00000000005B0000-0x00000000005B1000-memory.dmp

Filesize
4KB

Download
memory/1548-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1548-4-0x00000000022E0000-0x0000000002CE0000-memory.dmp

Filesize
10.0MB

Download
memory/1548-11-0x00000000022E0000-0x0000000002CE0000-memory.dmp

Filesize
10.0MB

Download
memory/2984-15-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/3440-2-0x0000000002340000-0x0000000002346000-memory.dmp

Filesize
24KB

Download
memory/3440-8-0x00007FFB768A0000-0x00007FFB768A1000-memory.dmp

Filesize
4KB

Download
memory/3440-6-0x00007FFB7670D000-0x00007FFB7670E000-memory.dmp

Filesize
4KB

Download
memory/3440-3-0x0000000002340000-0x0000000002346000-memory.dmp

Filesize
24KB

Download
memory/4720-7-0x00007FFB76670000-0x00007FFB76865000-memory.dmp

Filesize
2.0MB

Download
memory/4720-5-0x0000000076F22000-0x0000000076F23000-memory.dmp

Filesize
4KB

Download
memory/4720-13-0x0000000002710000-0x0000000002716000-memory.dmp

Filesize
24KB

Download
memory/4720-16-0x0000000002710000-0x0000000002716000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads