tinba | a8a28c89788ed359c204acb234332621d78304def08c7d21fe3c7941c566d771

General

Target

a8a28c89788ed359c204acb234332621d78304def08c7d21fe3c7941c566d771N.exe
Size

610KB
MD5

e4eb49fad2147ff082a066faf4d8f080
SHA1

671b89a7db7f3a7edb9b685729895ead2e7ec2a3
SHA256

a8a28c89788ed359c204acb234332621d78304def08c7d21fe3c7941c566d771
SHA512

ffb925c5382b001bfb903f2af5ee274b2f6809a734865a9f3f4bb1797d3c9e67dd30eebfce18eca8fd4c5ca16ccfac31bd58c2dcfa2b1078ff0d79310e741116
SSDEEP

12288:tATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+c:XT+KjUdQqboyyWoK1NGqzuhb

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\6C0E9556 = "C:\\Users\\Admin\\AppData\\Roaming\\6C0E9556\\bin.exe"	winver.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	a8a28c89788ed359c204acb234332621d78304def08c7d21fe3c7941c566d771N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 46 IoCs

pid	Process
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2820	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2684 wrote to memory of 2820	2684	a8a28c89788ed359c204acb234332621d78304def08c7d21fe3c7941c566d771N.exe	31
PID 2684 wrote to memory of 2820	2684	a8a28c89788ed359c204acb234332621d78304def08c7d21fe3c7941c566d771N.exe	31
PID 2684 wrote to memory of 2820	2684	a8a28c89788ed359c204acb234332621d78304def08c7d21fe3c7941c566d771N.exe	31
PID 2684 wrote to memory of 2820	2684	a8a28c89788ed359c204acb234332621d78304def08c7d21fe3c7941c566d771N.exe	31
PID 2684 wrote to memory of 2820	2684	a8a28c89788ed359c204acb234332621d78304def08c7d21fe3c7941c566d771N.exe	31
PID 2820 wrote to memory of 1180	2820	winver.exe	21
PID 2820 wrote to memory of 1060	2820	winver.exe	18
PID 2820 wrote to memory of 1108	2820	winver.exe	19
PID 2820 wrote to memory of 1180	2820	winver.exe	21
PID 2820 wrote to memory of 1940	2820	winver.exe	23
PID 2820 wrote to memory of 2684	2820	winver.exe	30

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1060

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1180
- C:\Users\Admin\AppData\Local\Temp\a8a28c89788ed359c204acb234332621d78304def08c7d21fe3c7941c566d771N.exe
  "C:\Users\Admin\AppData\Local\Temp\a8a28c89788ed359c204acb234332621d78304def08c7d21fe3c7941c566d771N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2684
- - 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:2820

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1940

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1060-28-0x0000000002010000-0x0000000002016000-memory.dmp

Filesize
24KB

Download
memory/1060-11-0x0000000002010000-0x0000000002016000-memory.dmp

Filesize
24KB

Download
memory/1108-14-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1108-26-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1180-17-0x0000000002A90000-0x0000000002A96000-memory.dmp

Filesize
24KB

Download
memory/1180-1-0x00000000025C0000-0x00000000025C6000-memory.dmp

Filesize
24KB

Download
memory/1180-3-0x00000000025C0000-0x00000000025C6000-memory.dmp

Filesize
24KB

Download
memory/1180-27-0x0000000002A90000-0x0000000002A96000-memory.dmp

Filesize
24KB

Download
memory/1180-6-0x00000000025C0000-0x00000000025C6000-memory.dmp

Filesize
24KB

Download
memory/1940-20-0x0000000001CE0000-0x0000000001CE6000-memory.dmp

Filesize
24KB

Download
memory/1940-29-0x0000000001CE0000-0x0000000001CE6000-memory.dmp

Filesize
24KB

Download
memory/2684-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2820-25-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2820-4-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2820-31-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads