tinba | 4dcd825ee4acb659b1aa32f46f7fc7e3268b22c903570a81dfa9691a6b08b297

General

Target

f71a7e2dc210ae9da8ba7178e78712df_JaffaCakes118.exe
Size

96KB
MD5

f71a7e2dc210ae9da8ba7178e78712df
SHA1

356f7b879a486c4edd53eab51cb74f9ebfe9eaa5
SHA256

4dcd825ee4acb659b1aa32f46f7fc7e3268b22c903570a81dfa9691a6b08b297
SHA512

5f4f47a4130a31b58ff486073e497acb18375786554e7b85a07de6662e2d67d9d0b8f9dddabd8f06852d00153502d835c0cdfdadb6f38ab91cccd196e67f63a9
SSDEEP

1536:hiLOvRmmQegJW3aOgBbmAQ256/ZrwWnwqjhurmKFct:hiyvRmQKTLs/ZrwWJjAqGct

Score

10^/10

tinba banker persistence trojan

Malware Config

Signatures

Tinba / TinyBanker
Banking trojan which uses packet sniffing to steal data.
trojan banker tinba

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

winver.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Windows\CurrentVersion\Run\AA4E1EC9 = "C:\\Users\\Admin\\AppData\\Roaming\\AA4E1EC9\\bin.exe"	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

winver.exe

pid	process
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe
2856	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

winver.exe

pid process

2856 winver.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

f71a7e2dc210ae9da8ba7178e78712df_JaffaCakes118.exewinver.exe

description	pid	process	target process
PID 2356 wrote to memory of 2856	2356	f71a7e2dc210ae9da8ba7178e78712df_JaffaCakes118.exe	winver.exe
PID 2356 wrote to memory of 2856	2356	f71a7e2dc210ae9da8ba7178e78712df_JaffaCakes118.exe	winver.exe
PID 2356 wrote to memory of 2856	2356	f71a7e2dc210ae9da8ba7178e78712df_JaffaCakes118.exe	winver.exe
PID 2356 wrote to memory of 2856	2356	f71a7e2dc210ae9da8ba7178e78712df_JaffaCakes118.exe	winver.exe
PID 2356 wrote to memory of 2856	2356	f71a7e2dc210ae9da8ba7178e78712df_JaffaCakes118.exe	winver.exe
PID 2856 wrote to memory of 1368	2856	winver.exe	Explorer.EXE
PID 2856 wrote to memory of 1260	2856	winver.exe	taskhost.exe
PID 2856 wrote to memory of 1316	2856	winver.exe	Dwm.exe
PID 2856 wrote to memory of 1368	2856	winver.exe	Explorer.EXE

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1260

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1316

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1368

C:\Users\Admin\AppData\Local\Temp\f71a7e2dc210ae9da8ba7178e78712df_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f71a7e2dc210ae9da8ba7178e78712df_JaffaCakes118.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2356

C:\Windows\SysWOW64\winver.exe
winver
3⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2856

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/1260-22-0x0000000000410000-0x0000000000416000-memory.dmp

Filesize
24KB

Download
memory/1260-23-0x0000000077AE1000-0x0000000077AE2000-memory.dmp

Filesize
4KB

Download
memory/1316-19-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1316-24-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1368-25-0x00000000026D0000-0x00000000026D6000-memory.dmp

Filesize
24KB

Download
memory/1368-1-0x0000000002720000-0x0000000002726000-memory.dmp

Filesize
24KB

Download
memory/1368-21-0x00000000026D0000-0x00000000026D6000-memory.dmp

Filesize
24KB

Download
memory/1368-5-0x0000000002720000-0x0000000002726000-memory.dmp

Filesize
24KB

Download
memory/1368-10-0x0000000077AE1000-0x0000000077AE2000-memory.dmp

Filesize
4KB

Download
memory/2356-11-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2356-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2356-12-0x0000000001D50000-0x0000000002750000-memory.dmp

Filesize
10.0MB

Download
memory/2356-2-0x0000000001D50000-0x0000000002750000-memory.dmp

Filesize
10.0MB

Download
memory/2856-14-0x00000000000A0000-0x00000000000A6000-memory.dmp

Filesize
24KB

Download
memory/2856-15-0x0000000000160000-0x0000000000161000-memory.dmp

Filesize
4KB

Download
memory/2856-7-0x0000000077C8F000-0x0000000077C90000-memory.dmp

Filesize
4KB

Download
memory/2856-6-0x0000000000730000-0x0000000000746000-memory.dmp

Filesize
88KB

Download
memory/2856-9-0x0000000077C90000-0x0000000077C91000-memory.dmp

Filesize
4KB

Download
memory/2856-8-0x0000000077C8F000-0x0000000077C91000-memory.dmp

Filesize
8KB

Download
memory/2856-3-0x00000000000A0000-0x00000000000A6000-memory.dmp

Filesize
24KB

Download
memory/2856-29-0x00000000000A0000-0x00000000000A6000-memory.dmp

Filesize
24KB

Download
memory/2856-30-0x0000000000170000-0x0000000000171000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads