tinba | dfb1ea4213a9de2f1ab0821163b15896351ac1b093fbac2ed061a60e2c1d35d1

Analysis

max time kernel
107s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
04-01-2025 13:56

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General

Target

dfb1ea4213a9de2f1ab0821163b15896351ac1b093fbac2ed061a60e2c1d35d1N.exe
Size

45KB
MD5

9339120ef64721732c62f085ddb69860
SHA1

260ecbba96b9cc03a032a811f45bc59606bc4757
SHA256

dfb1ea4213a9de2f1ab0821163b15896351ac1b093fbac2ed061a60e2c1d35d1
SHA512

9549776073b4d44870485c48c2f86a9da33560841a1ac3270b207456aa3d8a574893399528698ff861b9d209b157f4c6e88ad0b6b87f35868413b68b1a306002
SSDEEP

768:9hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2P:/sWE9N5dFu53dsniQaB/xZ14n7zIF+q7

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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\13ED1CE5 = "C:\\Users\\Admin\\AppData\\Roaming\\13ED1CE5\\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/5088-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3744	4352	WerFault.exe	83

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	dfb1ea4213a9de2f1ab0821163b15896351ac1b093fbac2ed061a60e2c1d35d1N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4352	winver.exe
4352	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3492	Explorer.EXE
Token: SeCreatePagefilePrivilege	3492	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4352	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5088 wrote to memory of 4352	5088	dfb1ea4213a9de2f1ab0821163b15896351ac1b093fbac2ed061a60e2c1d35d1N.exe	83
PID 5088 wrote to memory of 4352	5088	dfb1ea4213a9de2f1ab0821163b15896351ac1b093fbac2ed061a60e2c1d35d1N.exe	83
PID 5088 wrote to memory of 4352	5088	dfb1ea4213a9de2f1ab0821163b15896351ac1b093fbac2ed061a60e2c1d35d1N.exe	83
PID 5088 wrote to memory of 4352	5088	dfb1ea4213a9de2f1ab0821163b15896351ac1b093fbac2ed061a60e2c1d35d1N.exe	83
PID 4352 wrote to memory of 3492	4352	winver.exe	56
PID 4352 wrote to memory of 2988	4352	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2988

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3492
- C:\Users\Admin\AppData\Local\Temp\dfb1ea4213a9de2f1ab0821163b15896351ac1b093fbac2ed061a60e2c1d35d1N.exe
  "C:\Users\Admin\AppData\Local\Temp\dfb1ea4213a9de2f1ab0821163b15896351ac1b093fbac2ed061a60e2c1d35d1N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5088
- - 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:4352
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4352 -s 352
      4⤵
      Program crash
      PID:3744

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4352 -ip 4352
1⤵
PID:1632

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2988-13-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/3492-6-0x00007FFD1B28D000-0x00007FFD1B28E000-memory.dmp

Filesize
4KB

Download
memory/3492-3-0x0000000000750000-0x0000000000756000-memory.dmp

Filesize
24KB

Download
memory/3492-2-0x0000000000750000-0x0000000000756000-memory.dmp

Filesize
24KB

Download
memory/4352-5-0x0000000077BD2000-0x0000000077BD3000-memory.dmp

Filesize
4KB

Download
memory/4352-7-0x00007FFD1B1F0000-0x00007FFD1B3E5000-memory.dmp

Filesize
2.0MB

Download
memory/4352-11-0x0000000002B40000-0x0000000002B46000-memory.dmp

Filesize
24KB

Download
memory/4352-14-0x0000000002B40000-0x0000000002B46000-memory.dmp

Filesize
24KB

Download
memory/5088-4-0x0000000002320000-0x0000000002D20000-memory.dmp

Filesize
10.0MB

Download
memory/5088-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/5088-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/5088-9-0x0000000002320000-0x0000000002D20000-memory.dmp

Filesize
10.0MB

Download
memory/5088-1-0x0000000000560000-0x0000000000561000-memory.dmp

Filesize
4KB

Download