tinba | c8ec51a72b9ca02f970114fd0df89858b6083b416e24da0bbcb05a5ee982b31e

General

Target

c8ec51a72b9ca02f970114fd0df89858b6083b416e24da0bbcb05a5ee982b31eN.exe
Size

610KB
MD5

83a0abc914521942dca08ab196ea4a00
SHA1

5c31978803dcd7d0db043e3961f7ef2a70a786a9
SHA256

c8ec51a72b9ca02f970114fd0df89858b6083b416e24da0bbcb05a5ee982b31e
SHA512

eecbaf73e41f4ab09a0736723cd0267e5411a86d6804ccf22316d8bf3746a5ae75724971bb65ba482f69a53cb72844978e86b07ec87e204e8f0aa676651390cb
SSDEEP

12288:eATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+c:wT+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\6D11355E = "C:\\Users\\Admin\\AppData\\Roaming\\6D11355E\\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	c8ec51a72b9ca02f970114fd0df89858b6083b416e24da0bbcb05a5ee982b31eN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 46 IoCs

pid	Process
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2864	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2684 wrote to memory of 2864	2684	c8ec51a72b9ca02f970114fd0df89858b6083b416e24da0bbcb05a5ee982b31eN.exe	31
PID 2684 wrote to memory of 2864	2684	c8ec51a72b9ca02f970114fd0df89858b6083b416e24da0bbcb05a5ee982b31eN.exe	31
PID 2684 wrote to memory of 2864	2684	c8ec51a72b9ca02f970114fd0df89858b6083b416e24da0bbcb05a5ee982b31eN.exe	31
PID 2684 wrote to memory of 2864	2684	c8ec51a72b9ca02f970114fd0df89858b6083b416e24da0bbcb05a5ee982b31eN.exe	31
PID 2684 wrote to memory of 2864	2684	c8ec51a72b9ca02f970114fd0df89858b6083b416e24da0bbcb05a5ee982b31eN.exe	31
PID 2864 wrote to memory of 1204	2864	winver.exe	21
PID 2864 wrote to memory of 1100	2864	winver.exe	19
PID 2864 wrote to memory of 1156	2864	winver.exe	20
PID 2864 wrote to memory of 1204	2864	winver.exe	21
PID 2864 wrote to memory of 1664	2864	winver.exe	25
PID 2864 wrote to memory of 2684	2864	winver.exe	29

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1100

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1156

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1204
- C:\Users\Admin\AppData\Local\Temp\c8ec51a72b9ca02f970114fd0df89858b6083b416e24da0bbcb05a5ee982b31eN.exe
  "C:\Users\Admin\AppData\Local\Temp\c8ec51a72b9ca02f970114fd0df89858b6083b416e24da0bbcb05a5ee982b31eN.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:2864

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1664

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/1100-28-0x0000000002090000-0x0000000002096000-memory.dmp

Filesize
24KB

Download
memory/1100-9-0x0000000002090000-0x0000000002096000-memory.dmp

Filesize
24KB

Download
memory/1156-12-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1156-26-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1204-6-0x0000000002610000-0x0000000002616000-memory.dmp

Filesize
24KB

Download
memory/1204-15-0x0000000002E30000-0x0000000002E36000-memory.dmp

Filesize
24KB

Download
memory/1204-1-0x0000000002610000-0x0000000002616000-memory.dmp

Filesize
24KB

Download
memory/1204-27-0x0000000002E30000-0x0000000002E36000-memory.dmp

Filesize
24KB

Download
memory/1204-3-0x0000000002610000-0x0000000002616000-memory.dmp

Filesize
24KB

Download
memory/1664-18-0x0000000001E00000-0x0000000001E06000-memory.dmp

Filesize
24KB

Download
memory/1664-29-0x0000000001E00000-0x0000000001E06000-memory.dmp

Filesize
24KB

Download
memory/2684-25-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2864-23-0x00000000003F0000-0x00000000003F6000-memory.dmp

Filesize
24KB

Download
memory/2864-4-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2864-31-0x00000000003F0000-0x00000000003F6000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads