tinba | f936cca396dc8a0bead9b2a97ab2e4334d3c884ce42d11503b489074ee4508e7

Analysis

max time kernel
106s
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
13-01-2025 10:21

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General

Target

f936cca396dc8a0bead9b2a97ab2e4334d3c884ce42d11503b489074ee4508e7.exe
Size

45KB
MD5

404930e9e13391c8b0191785c4ad25fb
SHA1

d2ad72125fba858764e2b022a63b6ac52e31cc8b
SHA256

f936cca396dc8a0bead9b2a97ab2e4334d3c884ce42d11503b489074ee4508e7
SHA512

688f918854be3e8430e874e7f6b54c774d117e4cf0f865882f5890f4428e16aaf2f8b8b04e4ad930b0d0429a1de297b206045f5a0bfa2a600edfbbcc5da501a2
SSDEEP

768:9hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2t:/sWE9N5dFu53dsniQaB/xZ14n7zIF+qR

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-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\E6A93C15 = "C:\\Users\\Admin\\AppData\\Roaming\\E6A93C15\\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/3576-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3388	2188	WerFault.exe	84

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	f936cca396dc8a0bead9b2a97ab2e4334d3c884ce42d11503b489074ee4508e7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2188	winver.exe
2188	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3516	Explorer.EXE
Token: SeCreatePagefilePrivilege	3516	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2188	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3576 wrote to memory of 2188	3576	f936cca396dc8a0bead9b2a97ab2e4334d3c884ce42d11503b489074ee4508e7.exe	84
PID 3576 wrote to memory of 2188	3576	f936cca396dc8a0bead9b2a97ab2e4334d3c884ce42d11503b489074ee4508e7.exe	84
PID 3576 wrote to memory of 2188	3576	f936cca396dc8a0bead9b2a97ab2e4334d3c884ce42d11503b489074ee4508e7.exe	84
PID 3576 wrote to memory of 2188	3576	f936cca396dc8a0bead9b2a97ab2e4334d3c884ce42d11503b489074ee4508e7.exe	84
PID 2188 wrote to memory of 3516	2188	winver.exe	56
PID 2188 wrote to memory of 2596	2188	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2596

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3516
- C:\Users\Admin\AppData\Local\Temp\f936cca396dc8a0bead9b2a97ab2e4334d3c884ce42d11503b489074ee4508e7.exe
  "C:\Users\Admin\AppData\Local\Temp\f936cca396dc8a0bead9b2a97ab2e4334d3c884ce42d11503b489074ee4508e7.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3576
- - 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:2188
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2188 -s 352
      4⤵
      Program crash
      PID:3388

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2188 -ip 2188
1⤵
PID:3136

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/2188-6-0x0000000077192000-0x0000000077193000-memory.dmp

Filesize
4KB

Download
memory/2188-15-0x0000000000640000-0x0000000000646000-memory.dmp

Filesize
24KB

Download
memory/2188-8-0x00007FFD5FBF0000-0x00007FFD5FDE5000-memory.dmp

Filesize
2.0MB

Download
memory/2188-5-0x0000000000640000-0x0000000000646000-memory.dmp

Filesize
24KB

Download
memory/2596-14-0x0000000000810000-0x0000000000816000-memory.dmp

Filesize
24KB

Download
memory/3516-2-0x0000000000790000-0x0000000000796000-memory.dmp

Filesize
24KB

Download
memory/3516-7-0x00007FFD5FC8D000-0x00007FFD5FC8E000-memory.dmp

Filesize
4KB

Download
memory/3516-3-0x0000000000790000-0x0000000000796000-memory.dmp

Filesize
24KB

Download
memory/3576-4-0x0000000002270000-0x0000000002C70000-memory.dmp

Filesize
10.0MB

Download
memory/3576-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3576-9-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3576-10-0x0000000002270000-0x0000000002C70000-memory.dmp

Filesize
10.0MB

Download
memory/3576-1-0x00000000005E0000-0x00000000005E1000-memory.dmp

Filesize
4KB

Download