tinba | 4c0c2fe6731a8a389b3ef6750bb2f45a60969befb5a979a7672bc4c4f0b99dc1

General

Target

4c0c2fe6731a8a389b3ef6750bb2f45a60969befb5a979a7672bc4c4f0b99dc1N.exe
Size

225KB
MD5

380a7310f54ad3412257294ada95c380
SHA1

79a9f75ce05784a9b80442a07a2b546b979a8a29
SHA256

4c0c2fe6731a8a389b3ef6750bb2f45a60969befb5a979a7672bc4c4f0b99dc1
SHA512

7f0c87ac4844a45f3871fa26fe0079cb0f2206ce7200f3bd7f62a5c113853dcc10e5476eadf108bd8f5d2a93ad57c1dced0fe45ae59a598ad9ed230d6faeeb4c
SSDEEP

6144:XA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:XATuTAnKGwUAW3ycQqgf

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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\2805BF8D = "C:\\Users\\Admin\\AppData\\Roaming\\2805BF8D\\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	4c0c2fe6731a8a389b3ef6750bb2f45a60969befb5a979a7672bc4c4f0b99dc1N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 46 IoCs

pid	Process
2640	winver.exe
2640	winver.exe
2640	winver.exe
2640	winver.exe
2640	winver.exe
2640	winver.exe
2640	winver.exe
2640	winver.exe
2640	winver.exe
2640	winver.exe
2640	winver.exe
2640	winver.exe
2640	winver.exe
2640	winver.exe
2640	winver.exe
2640	winver.exe
2640	winver.exe
2640	winver.exe
2640	winver.exe
2640	winver.exe
2640	winver.exe
2640	winver.exe
2640	winver.exe
2640	winver.exe
2640	winver.exe
2640	winver.exe
2640	winver.exe
2640	winver.exe
2640	winver.exe
2640	winver.exe
2640	winver.exe
2640	winver.exe
2640	winver.exe
2640	winver.exe
2640	winver.exe
2640	winver.exe
2640	winver.exe
2640	winver.exe
2640	winver.exe
2640	winver.exe
2640	winver.exe
2640	winver.exe
2640	winver.exe
2640	winver.exe
2640	winver.exe
2640	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2640	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2216 wrote to memory of 2640	2216	4c0c2fe6731a8a389b3ef6750bb2f45a60969befb5a979a7672bc4c4f0b99dc1N.exe	30
PID 2216 wrote to memory of 2640	2216	4c0c2fe6731a8a389b3ef6750bb2f45a60969befb5a979a7672bc4c4f0b99dc1N.exe	30
PID 2216 wrote to memory of 2640	2216	4c0c2fe6731a8a389b3ef6750bb2f45a60969befb5a979a7672bc4c4f0b99dc1N.exe	30
PID 2216 wrote to memory of 2640	2216	4c0c2fe6731a8a389b3ef6750bb2f45a60969befb5a979a7672bc4c4f0b99dc1N.exe	30
PID 2216 wrote to memory of 2640	2216	4c0c2fe6731a8a389b3ef6750bb2f45a60969befb5a979a7672bc4c4f0b99dc1N.exe	30
PID 2640 wrote to memory of 1244	2640	winver.exe	21
PID 2640 wrote to memory of 1104	2640	winver.exe	19
PID 2640 wrote to memory of 1180	2640	winver.exe	20
PID 2640 wrote to memory of 1244	2640	winver.exe	21
PID 2640 wrote to memory of 1144	2640	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1104

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1180

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1244
- C:\Users\Admin\AppData\Local\Temp\4c0c2fe6731a8a389b3ef6750bb2f45a60969befb5a979a7672bc4c4f0b99dc1N.exe
  "C:\Users\Admin\AppData\Local\Temp\4c0c2fe6731a8a389b3ef6750bb2f45a60969befb5a979a7672bc4c4f0b99dc1N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2216
- - 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:2640

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1144

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/1104-24-0x0000000002020000-0x0000000002026000-memory.dmp

Filesize
24KB

Download
memory/1104-11-0x0000000002020000-0x0000000002026000-memory.dmp

Filesize
24KB

Download
memory/1144-20-0x0000000001F00000-0x0000000001F06000-memory.dmp

Filesize
24KB

Download
memory/1144-27-0x0000000001F00000-0x0000000001F06000-memory.dmp

Filesize
24KB

Download
memory/1180-26-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/1180-14-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/1244-17-0x0000000002560000-0x0000000002566000-memory.dmp

Filesize
24KB

Download
memory/1244-1-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1244-25-0x0000000002560000-0x0000000002566000-memory.dmp

Filesize
24KB

Download
memory/1244-6-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1244-3-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/2216-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2640-23-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2640-5-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2640-4-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2640-29-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads