tinba | 3d463f27844f5261e098661d3d87acaa440daaf561a9de16ed14d658357d25b4

Analysis

max time kernel
119s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
31-10-2024 10:26

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General

Target

3d463f27844f5261e098661d3d87acaa440daaf561a9de16ed14d658357d25b4N.exe
Size

59KB
MD5

3221f0a7a07ec813e0a0ab0e163e10f0
SHA1

56ce6dac0bce34afa4e56ec5b3650cd2cb5fa6e5
SHA256

3d463f27844f5261e098661d3d87acaa440daaf561a9de16ed14d658357d25b4
SHA512

946b36b8bf8cb5e3c950384c1202b19598956ec57410b6eeb7aa3a068a2c203d4aa20254c706c0fc27827ac5360707f008316d325a6c54f73c57c6847e0edf65
SSDEEP

768:a+6p+OMlgGMCWhfDzU7f7JDgiFP7xI57+sByZ+XsfXpwtGc9J1:a+mFM2HXKZgiFP7xIksu+XM5O9J1

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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\AF50EF07 = "C:\\Users\\Admin\\AppData\\Roaming\\AF50EF07\\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	3d463f27844f5261e098661d3d87acaa440daaf561a9de16ed14d658357d25b4N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
1808	winver.exe
1808	winver.exe
1808	winver.exe
1808	winver.exe
1808	winver.exe
1808	winver.exe
1808	winver.exe
1808	winver.exe
1808	winver.exe
1808	winver.exe
1808	winver.exe
1808	winver.exe
1808	winver.exe
1808	winver.exe
1808	winver.exe
1808	winver.exe
1808	winver.exe
1808	winver.exe
1808	winver.exe
1808	winver.exe
1808	winver.exe
1808	winver.exe
1808	winver.exe
1808	winver.exe
1808	winver.exe
1808	winver.exe
1808	winver.exe
1808	winver.exe
1808	winver.exe
1808	winver.exe
1808	winver.exe
1808	winver.exe
1808	winver.exe
1808	winver.exe
1808	winver.exe
1808	winver.exe
1808	winver.exe
1808	winver.exe
1808	winver.exe
1808	winver.exe
1808	winver.exe
1808	winver.exe
1808	winver.exe
1808	winver.exe
1808	winver.exe
1808	winver.exe
1808	winver.exe
1808	winver.exe
1808	winver.exe
1808	winver.exe
1808	winver.exe
1808	winver.exe
1808	winver.exe
1808	winver.exe
1808	winver.exe
1808	winver.exe
1808	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1808	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2372 wrote to memory of 1808	2372	3d463f27844f5261e098661d3d87acaa440daaf561a9de16ed14d658357d25b4N.exe	31
PID 2372 wrote to memory of 1808	2372	3d463f27844f5261e098661d3d87acaa440daaf561a9de16ed14d658357d25b4N.exe	31
PID 2372 wrote to memory of 1808	2372	3d463f27844f5261e098661d3d87acaa440daaf561a9de16ed14d658357d25b4N.exe	31
PID 2372 wrote to memory of 1808	2372	3d463f27844f5261e098661d3d87acaa440daaf561a9de16ed14d658357d25b4N.exe	31
PID 2372 wrote to memory of 1808	2372	3d463f27844f5261e098661d3d87acaa440daaf561a9de16ed14d658357d25b4N.exe	31
PID 1808 wrote to memory of 1208	1808	winver.exe	21
PID 1808 wrote to memory of 1108	1808	winver.exe	19
PID 1808 wrote to memory of 1172	1808	winver.exe	20
PID 1808 wrote to memory of 1208	1808	winver.exe	21
PID 1808 wrote to memory of 1536	1808	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1108

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1172

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1208
- C:\Users\Admin\AppData\Local\Temp\3d463f27844f5261e098661d3d87acaa440daaf561a9de16ed14d658357d25b4N.exe
  "C:\Users\Admin\AppData\Local\Temp\3d463f27844f5261e098661d3d87acaa440daaf561a9de16ed14d658357d25b4N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2372
- - 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:1808

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1536

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/1108-24-0x0000000077BB1000-0x0000000077BB2000-memory.dmp

Filesize
4KB

Download
memory/1108-27-0x0000000077BB1000-0x0000000077BB2000-memory.dmp

Filesize
4KB

Download
memory/1108-25-0x0000000077BB1000-0x0000000077BB2000-memory.dmp

Filesize
4KB

Download
memory/1108-26-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download
memory/1172-28-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/1172-19-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/1172-35-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/1208-9-0x0000000077BB1000-0x0000000077BB2000-memory.dmp

Filesize
4KB

Download
memory/1208-1-0x0000000002AB0000-0x0000000002AB6000-memory.dmp

Filesize
24KB

Download
memory/1208-21-0x0000000002A60000-0x0000000002A66000-memory.dmp

Filesize
24KB

Download
memory/1208-29-0x0000000002A60000-0x0000000002A66000-memory.dmp

Filesize
24KB

Download
memory/1208-2-0x0000000002AB0000-0x0000000002AB6000-memory.dmp

Filesize
24KB

Download
memory/1208-3-0x0000000002AB0000-0x0000000002AB6000-memory.dmp

Filesize
24KB

Download
memory/1536-32-0x0000000077BB1000-0x0000000077BB2000-memory.dmp

Filesize
4KB

Download
memory/1536-31-0x0000000001F20000-0x0000000001F26000-memory.dmp

Filesize
24KB

Download
memory/1536-23-0x0000000001F20000-0x0000000001F26000-memory.dmp

Filesize
24KB

Download
memory/1808-5-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/1808-7-0x0000000077D5F000-0x0000000077D60000-memory.dmp

Filesize
4KB

Download
memory/1808-8-0x0000000077D5F000-0x0000000077D61000-memory.dmp

Filesize
8KB

Download
memory/1808-10-0x0000000077B60000-0x0000000077D09000-memory.dmp

Filesize
1.7MB

Download
memory/1808-30-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/1808-6-0x0000000077D60000-0x0000000077D61000-memory.dmp

Filesize
4KB

Download
memory/2372-12-0x0000000001CF0000-0x00000000026F0000-memory.dmp

Filesize
10.0MB

Download
memory/2372-11-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2372-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2372-4-0x0000000001CF0000-0x00000000026F0000-memory.dmp

Filesize
10.0MB

Download