tinba | 46675dc2f7846981f2b9c3f0f2471baa1c8cbf84e3f23f1cc70484290b207772

General

Target

46675dc2f7846981f2b9c3f0f2471baa1c8cbf84e3f23f1cc70484290b207772N.exe
Size

110KB
MD5

abc95ccabbc5b8c32c9932022fead9f0
SHA1

563db8fb8b1d8ff32e3da5a38eb00e16c567cd0d
SHA256

46675dc2f7846981f2b9c3f0f2471baa1c8cbf84e3f23f1cc70484290b207772
SHA512

d59009310602925ce175a611f594bebd3f0ea6d0b04ed56eceff466428fa0312aca8ee4e245c806e6d9a5b6d2329c31e87d9ee4d6205afcf09cb7b44fe28e309
SSDEEP

1536:OiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:OiyvRmDLs/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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\C8643D26 = "C:\\Users\\Admin\\AppData\\Roaming\\C8643D26\\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/4900-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4112	3312	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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	46675dc2f7846981f2b9c3f0f2471baa1c8cbf84e3f23f1cc70484290b207772N.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3312	winver.exe
3312	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3428	Explorer.EXE
Token: SeCreatePagefilePrivilege	3428	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3312	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4900 wrote to memory of 3312	4900	46675dc2f7846981f2b9c3f0f2471baa1c8cbf84e3f23f1cc70484290b207772N.exe	85
PID 4900 wrote to memory of 3312	4900	46675dc2f7846981f2b9c3f0f2471baa1c8cbf84e3f23f1cc70484290b207772N.exe	85
PID 4900 wrote to memory of 3312	4900	46675dc2f7846981f2b9c3f0f2471baa1c8cbf84e3f23f1cc70484290b207772N.exe	85
PID 4900 wrote to memory of 3312	4900	46675dc2f7846981f2b9c3f0f2471baa1c8cbf84e3f23f1cc70484290b207772N.exe	85
PID 3312 wrote to memory of 3428	3312	winver.exe	56
PID 3312 wrote to memory of 2928	3312	winver.exe	51

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2928

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3428
- C:\Users\Admin\AppData\Local\Temp\46675dc2f7846981f2b9c3f0f2471baa1c8cbf84e3f23f1cc70484290b207772N.exe
  "C:\Users\Admin\AppData\Local\Temp\46675dc2f7846981f2b9c3f0f2471baa1c8cbf84e3f23f1cc70484290b207772N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4900
- - 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:3312
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3312 -s 352
      4⤵
      Program crash
      PID:4112

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3312 -ip 3312
1⤵
PID:396

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/2928-19-0x00007FFE57750000-0x00007FFE57751000-memory.dmp

Filesize
4KB

Download
memory/2928-16-0x0000000000910000-0x0000000000916000-memory.dmp

Filesize
24KB

Download
memory/3312-6-0x0000000077D22000-0x0000000077D23000-memory.dmp

Filesize
4KB

Download
memory/3312-17-0x00000000008A0000-0x00000000008A6000-memory.dmp

Filesize
24KB

Download
memory/3312-8-0x00007FFE57530000-0x00007FFE57725000-memory.dmp

Filesize
2.0MB

Download
memory/3312-5-0x00000000008A0000-0x00000000008A6000-memory.dmp

Filesize
24KB

Download
memory/3428-2-0x00000000008E0000-0x00000000008E6000-memory.dmp

Filesize
24KB

Download
memory/3428-7-0x00007FFE575CD000-0x00007FFE575CE000-memory.dmp

Filesize
4KB

Download
memory/3428-12-0x00007FFE57760000-0x00007FFE57761000-memory.dmp

Filesize
4KB

Download
memory/3428-3-0x00000000008E0000-0x00000000008E6000-memory.dmp

Filesize
24KB

Download
memory/4900-4-0x0000000002340000-0x0000000002D40000-memory.dmp

Filesize
10.0MB

Download
memory/4900-10-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4900-11-0x0000000002340000-0x0000000002D40000-memory.dmp

Filesize
10.0MB

Download
memory/4900-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4900-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads