tinba | 41617a03876bd21bbc6c6ef9cecfd1e720fe2ecbf39f53cf3ff608d5ad451111

General

Target

41617a03876bd21bbc6c6ef9cecfd1e720fe2ecbf39f53cf3ff608d5ad451111.exe
Size

610KB
MD5

d85dc27f4b683ca4923b48a8b1d52d3b
SHA1

5b7b118c1b2b00f9ec50f2711b0fe4a20b49cd2f
SHA256

41617a03876bd21bbc6c6ef9cecfd1e720fe2ecbf39f53cf3ff608d5ad451111
SHA512

cfdabfc37e6b6a35e5e512a8d6c519c99b48bab1d34e8a5b39fc9f3898e32bc64798481bc733d9f481252f6b27925185218e18ab63be8f6cf0b456e69c3c639c
SSDEEP

12288:BATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+c:jT+KjUdQqboyyWoK1NGqzuhr

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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\20DACE21 = "C:\\Users\\Admin\\AppData\\Roaming\\20DACE21\\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	41617a03876bd21bbc6c6ef9cecfd1e720fe2ecbf39f53cf3ff608d5ad451111.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 46 IoCs

pid	Process
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe
2724	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2724	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 632 wrote to memory of 2724	632	41617a03876bd21bbc6c6ef9cecfd1e720fe2ecbf39f53cf3ff608d5ad451111.exe	31
PID 632 wrote to memory of 2724	632	41617a03876bd21bbc6c6ef9cecfd1e720fe2ecbf39f53cf3ff608d5ad451111.exe	31
PID 632 wrote to memory of 2724	632	41617a03876bd21bbc6c6ef9cecfd1e720fe2ecbf39f53cf3ff608d5ad451111.exe	31
PID 632 wrote to memory of 2724	632	41617a03876bd21bbc6c6ef9cecfd1e720fe2ecbf39f53cf3ff608d5ad451111.exe	31
PID 632 wrote to memory of 2724	632	41617a03876bd21bbc6c6ef9cecfd1e720fe2ecbf39f53cf3ff608d5ad451111.exe	31
PID 2724 wrote to memory of 1236	2724	winver.exe	21
PID 2724 wrote to memory of 1120	2724	winver.exe	19
PID 2724 wrote to memory of 1184	2724	winver.exe	20
PID 2724 wrote to memory of 1236	2724	winver.exe	21
PID 2724 wrote to memory of 1288	2724	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1120

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1184

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1236
- C:\Users\Admin\AppData\Local\Temp\41617a03876bd21bbc6c6ef9cecfd1e720fe2ecbf39f53cf3ff608d5ad451111.exe
  "C:\Users\Admin\AppData\Local\Temp\41617a03876bd21bbc6c6ef9cecfd1e720fe2ecbf39f53cf3ff608d5ad451111.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:632
- - 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:2724

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1288

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/632-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1120-27-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1120-11-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1184-14-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1184-24-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1236-6-0x0000000002E10000-0x0000000002E16000-memory.dmp

Filesize
24KB

Download
memory/1236-17-0x0000000002E50000-0x0000000002E56000-memory.dmp

Filesize
24KB

Download
memory/1236-1-0x0000000002E10000-0x0000000002E16000-memory.dmp

Filesize
24KB

Download
memory/1236-3-0x0000000002E10000-0x0000000002E16000-memory.dmp

Filesize
24KB

Download
memory/1236-25-0x0000000002E50000-0x0000000002E56000-memory.dmp

Filesize
24KB

Download
memory/1288-20-0x0000000001E70000-0x0000000001E76000-memory.dmp

Filesize
24KB

Download
memory/1288-26-0x0000000001E70000-0x0000000001E76000-memory.dmp

Filesize
24KB

Download
memory/2724-23-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/2724-4-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2724-29-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads