tinba | a3f04ec478266c809fd6bab5b0f19ceefe41c519101dd5e0e78b104ebb57420c

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-10-2024 13:50

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General

Target

a3f04ec478266c809fd6bab5b0f19ceefe41c519101dd5e0e78b104ebb57420cN.exe
Size

59KB
MD5

935d5194fcae9d6a15454791aea05570
SHA1

d76b25ea4eda0b2b2c20448e70f76361f9d21cd5
SHA256

a3f04ec478266c809fd6bab5b0f19ceefe41c519101dd5e0e78b104ebb57420c
SHA512

213a7fe220f226ea31469d8242fc2e9aa344f87c9e4306d7ae021a930567ff50dcfe478eeb61e6de3ffc6f6968c41eea4941832c96908006cf478c1874df01d2
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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\A0757D96 = "C:\\Users\\Admin\\AppData\\Roaming\\A0757D96\\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	a3f04ec478266c809fd6bab5b0f19ceefe41c519101dd5e0e78b104ebb57420cN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2628	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2888 wrote to memory of 2628	2888	a3f04ec478266c809fd6bab5b0f19ceefe41c519101dd5e0e78b104ebb57420cN.exe	31
PID 2888 wrote to memory of 2628	2888	a3f04ec478266c809fd6bab5b0f19ceefe41c519101dd5e0e78b104ebb57420cN.exe	31
PID 2888 wrote to memory of 2628	2888	a3f04ec478266c809fd6bab5b0f19ceefe41c519101dd5e0e78b104ebb57420cN.exe	31
PID 2888 wrote to memory of 2628	2888	a3f04ec478266c809fd6bab5b0f19ceefe41c519101dd5e0e78b104ebb57420cN.exe	31
PID 2888 wrote to memory of 2628	2888	a3f04ec478266c809fd6bab5b0f19ceefe41c519101dd5e0e78b104ebb57420cN.exe	31
PID 2628 wrote to memory of 1212	2628	winver.exe	21
PID 2628 wrote to memory of 1116	2628	winver.exe	19
PID 2628 wrote to memory of 1164	2628	winver.exe	20
PID 2628 wrote to memory of 1212	2628	winver.exe	21
PID 2628 wrote to memory of 1592	2628	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1116

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1164

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1212
- C:\Users\Admin\AppData\Local\Temp\a3f04ec478266c809fd6bab5b0f19ceefe41c519101dd5e0e78b104ebb57420cN.exe
  "C:\Users\Admin\AppData\Local\Temp\a3f04ec478266c809fd6bab5b0f19ceefe41c519101dd5e0e78b104ebb57420cN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2888
- - 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:2628

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1592

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/1116-26-0x0000000076E41000-0x0000000076E42000-memory.dmp

Filesize
4KB

Download
memory/1116-25-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/1164-28-0x0000000002110000-0x0000000002116000-memory.dmp

Filesize
24KB

Download
memory/1164-18-0x0000000002110000-0x0000000002116000-memory.dmp

Filesize
24KB

Download
memory/1212-29-0x0000000002050000-0x0000000002056000-memory.dmp

Filesize
24KB

Download
memory/1212-9-0x0000000076E41000-0x0000000076E42000-memory.dmp

Filesize
4KB

Download
memory/1212-1-0x0000000002ED0000-0x0000000002ED6000-memory.dmp

Filesize
24KB

Download
memory/1212-20-0x0000000002050000-0x0000000002056000-memory.dmp

Filesize
24KB

Download
memory/1212-2-0x0000000002ED0000-0x0000000002ED6000-memory.dmp

Filesize
24KB

Download
memory/1212-3-0x0000000002ED0000-0x0000000002ED6000-memory.dmp

Filesize
24KB

Download
memory/1592-22-0x0000000001C10000-0x0000000001C16000-memory.dmp

Filesize
24KB

Download
memory/1592-23-0x0000000001C10000-0x0000000001C16000-memory.dmp

Filesize
24KB

Download
memory/1592-24-0x0000000076E41000-0x0000000076E42000-memory.dmp

Filesize
4KB

Download
memory/2628-8-0x0000000076FEF000-0x0000000076FF1000-memory.dmp

Filesize
8KB

Download
memory/2628-27-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/2628-5-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/2628-6-0x0000000076FF0000-0x0000000076FF1000-memory.dmp

Filesize
4KB

Download
memory/2628-7-0x0000000076FEF000-0x0000000076FF0000-memory.dmp

Filesize
4KB

Download
memory/2628-10-0x0000000076DF0000-0x0000000076F99000-memory.dmp

Filesize
1.7MB

Download
memory/2628-34-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2888-12-0x0000000001ED0000-0x00000000028D0000-memory.dmp

Filesize
10.0MB

Download
memory/2888-11-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2888-4-0x0000000001ED0000-0x00000000028D0000-memory.dmp

Filesize
10.0MB

Download
memory/2888-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download