tinba | 90070db720c5a2f30754bcbc9573321be1ffdcd53431990c9efed6902232f980

General

Target

90070db720c5a2f30754bcbc9573321be1ffdcd53431990c9efed6902232f980N.exe
Size

110KB
MD5

56f9cfe6e58ba6322de6146a8d3b08f0
SHA1

dcebed97024d1a8e08847d8ffe750c4f6b9d0294
SHA256

90070db720c5a2f30754bcbc9573321be1ffdcd53431990c9efed6902232f980
SHA512

72a748a19b2ad58f81891b71422ad229e18d12568d98e73bd74489f281c83a9c15532df97906b540d722a444fac6aecc8c1d7c9c025e1f161cfdf4677ef9c5a8
SSDEEP

1536:ZiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:ZiyvRmDLs/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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\77A3921F = "C:\\Users\\Admin\\AppData\\Roaming\\77A3921F\\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/3016-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
848	4856	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	90070db720c5a2f30754bcbc9573321be1ffdcd53431990c9efed6902232f980N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4856	winver.exe
4856	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4856	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3436	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3016 wrote to memory of 4856	3016	90070db720c5a2f30754bcbc9573321be1ffdcd53431990c9efed6902232f980N.exe	85
PID 3016 wrote to memory of 4856	3016	90070db720c5a2f30754bcbc9573321be1ffdcd53431990c9efed6902232f980N.exe	85
PID 3016 wrote to memory of 4856	3016	90070db720c5a2f30754bcbc9573321be1ffdcd53431990c9efed6902232f980N.exe	85
PID 3016 wrote to memory of 4856	3016	90070db720c5a2f30754bcbc9573321be1ffdcd53431990c9efed6902232f980N.exe	85
PID 4856 wrote to memory of 3436	4856	winver.exe	56
PID 4856 wrote to memory of 2996	4856	winver.exe	51

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2996

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3436
- C:\Users\Admin\AppData\Local\Temp\90070db720c5a2f30754bcbc9573321be1ffdcd53431990c9efed6902232f980N.exe
  "C:\Users\Admin\AppData\Local\Temp\90070db720c5a2f30754bcbc9573321be1ffdcd53431990c9efed6902232f980N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3016
- - 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:4856
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4856 -s 356
      4⤵
      Program crash
      PID:848

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4856 -ip 4856
1⤵
PID:2164

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/2996-15-0x0000000000F90000-0x0000000000F96000-memory.dmp

Filesize
24KB

Download
memory/2996-18-0x00007FF9B3C90000-0x00007FF9B3C91000-memory.dmp

Filesize
4KB

Download
memory/3016-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/3016-4-0x0000000002280000-0x0000000002C80000-memory.dmp

Filesize
10.0MB

Download
memory/3016-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/3016-9-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/3016-10-0x0000000002280000-0x0000000002C80000-memory.dmp

Filesize
10.0MB

Download
memory/3436-3-0x0000000001490000-0x0000000001496000-memory.dmp

Filesize
24KB

Download
memory/3436-2-0x0000000001490000-0x0000000001496000-memory.dmp

Filesize
24KB

Download
memory/3436-7-0x00007FF9B3B0C000-0x00007FF9B3B0D000-memory.dmp

Filesize
4KB

Download
memory/3436-6-0x00007FF9B3B0D000-0x00007FF9B3B0E000-memory.dmp

Filesize
4KB

Download
memory/3436-11-0x00007FF9B3CA0000-0x00007FF9B3CA1000-memory.dmp

Filesize
4KB

Download
memory/4856-8-0x00007FF9B3A70000-0x00007FF9B3C65000-memory.dmp

Filesize
2.0MB

Download
memory/4856-13-0x0000000000D40000-0x0000000000D46000-memory.dmp

Filesize
24KB

Download
memory/4856-16-0x0000000000D40000-0x0000000000D46000-memory.dmp

Filesize
24KB

Download
memory/4856-5-0x00000000773E2000-0x00000000773E3000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads