tinba | e3a03e2424b71c6e6ae107b67e9525c7d9d404686f59ad0e295606d380db8c99

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
19-11-2024 11:31

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General

Target

e3a03e2424b71c6e6ae107b67e9525c7d9d404686f59ad0e295606d380db8c99.exe
Size

89KB
MD5

c7b4d301342bcc40134be91446994ebf
SHA1

98759204bcdb35146babd4e02c15d241530723f6
SHA256

e3a03e2424b71c6e6ae107b67e9525c7d9d404686f59ad0e295606d380db8c99
SHA512

a9ee0d9799d60eb5ca879e89975975b9b42b98be849e1f98a8027c5ee8bcff200e3b5a2c3d6787c92836fcad071b1d30d0375f6915206433dd58e1e2dd090c00
SSDEEP

1536:T9o65gQK3Zm+Mt9RV5O8oQ9cXFunGm6ManhFLnBqHan6owwosTk8vxA0:T9o6fK2XqXQwhnHlqQo8Lvy0

Score

10^/10

tinba banker discovery persistence trojan

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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\CC173C59 = "C:\\Users\\Admin\\AppData\\Roaming\\CC173C59\\bin.exe"	winver.exe

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	e3a03e2424b71c6e6ae107b67e9525c7d9d404686f59ad0e295606d380db8c99.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2316	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2132 wrote to memory of 2316	2132	e3a03e2424b71c6e6ae107b67e9525c7d9d404686f59ad0e295606d380db8c99.exe	30
PID 2132 wrote to memory of 2316	2132	e3a03e2424b71c6e6ae107b67e9525c7d9d404686f59ad0e295606d380db8c99.exe	30
PID 2132 wrote to memory of 2316	2132	e3a03e2424b71c6e6ae107b67e9525c7d9d404686f59ad0e295606d380db8c99.exe	30
PID 2132 wrote to memory of 2316	2132	e3a03e2424b71c6e6ae107b67e9525c7d9d404686f59ad0e295606d380db8c99.exe	30
PID 2132 wrote to memory of 2316	2132	e3a03e2424b71c6e6ae107b67e9525c7d9d404686f59ad0e295606d380db8c99.exe	30
PID 2316 wrote to memory of 1216	2316	winver.exe	21
PID 2316 wrote to memory of 1112	2316	winver.exe	19
PID 2316 wrote to memory of 1176	2316	winver.exe	20
PID 2316 wrote to memory of 1216	2316	winver.exe	21
PID 2316 wrote to memory of 1348	2316	winver.exe	23
PID 2316 wrote to memory of 2132	2316	winver.exe	29

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1112

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1176

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1216
- C:\Users\Admin\AppData\Local\Temp\e3a03e2424b71c6e6ae107b67e9525c7d9d404686f59ad0e295606d380db8c99.exe
  "C:\Users\Admin\AppData\Local\Temp\e3a03e2424b71c6e6ae107b67e9525c7d9d404686f59ad0e295606d380db8c99.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2132
- - 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:2316

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1348

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/1112-30-0x0000000000410000-0x0000000000416000-memory.dmp

Filesize
24KB

Download
memory/1112-16-0x0000000000410000-0x0000000000416000-memory.dmp

Filesize
24KB

Download
memory/1176-18-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1176-26-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1176-27-0x0000000077931000-0x0000000077932000-memory.dmp

Filesize
4KB

Download
memory/1216-28-0x0000000002530000-0x0000000002536000-memory.dmp

Filesize
24KB

Download
memory/1216-21-0x0000000002530000-0x0000000002536000-memory.dmp

Filesize
24KB

Download
memory/1216-2-0x0000000002520000-0x0000000002526000-memory.dmp

Filesize
24KB

Download
memory/1216-12-0x0000000077931000-0x0000000077932000-memory.dmp

Filesize
4KB

Download
memory/1216-1-0x0000000002520000-0x0000000002526000-memory.dmp

Filesize
24KB

Download
memory/1216-6-0x0000000002520000-0x0000000002526000-memory.dmp

Filesize
24KB

Download
memory/1348-32-0x0000000077931000-0x0000000077932000-memory.dmp

Filesize
4KB

Download
memory/1348-23-0x0000000001C80000-0x0000000001C86000-memory.dmp

Filesize
24KB

Download
memory/1348-31-0x0000000001C80000-0x0000000001C86000-memory.dmp

Filesize
24KB

Download
memory/2132-0-0x00000000003C0000-0x00000000003C2000-memory.dmp

Filesize
8KB

Download
memory/2132-14-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2132-5-0x0000000002400000-0x0000000002E00000-memory.dmp

Filesize
10.0MB

Download
memory/2132-29-0x0000000002400000-0x0000000002E00000-memory.dmp

Filesize
10.0MB

Download
memory/2316-9-0x0000000077ADF000-0x0000000077AE0000-memory.dmp

Filesize
4KB

Download
memory/2316-11-0x0000000000160000-0x0000000000161000-memory.dmp

Filesize
4KB

Download
memory/2316-10-0x0000000077ADF000-0x0000000077AE1000-memory.dmp

Filesize
8KB

Download
memory/2316-7-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2316-8-0x0000000077AE0000-0x0000000077AE1000-memory.dmp

Filesize
4KB

Download
memory/2316-13-0x00000000778E0000-0x0000000077A89000-memory.dmp

Filesize
1.7MB

Download
memory/2316-3-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2316-34-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download