tinba | 8d472a1c702b54a5cf4fd917eb3c96ea27c708704773d8361697deb28122f253

Analysis

max time kernel
148s
max time network
147s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
07/05/2024, 12:30

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General

Target

7c2d61be6904c8c0373e55adac7175c0_NEAS.exe
Size

225KB
MD5

7c2d61be6904c8c0373e55adac7175c0
SHA1

3a004eba5b415bd1667524555a2b93d31c94b5f2
SHA256

8d472a1c702b54a5cf4fd917eb3c96ea27c708704773d8361697deb28122f253
SHA512

d33b9357ce9b0bbafe2785c5306a9949371acc36a097be70585b6142f4f73dcb87b26d219773e1622bd6eaed7413b558a6fc94c4f04dcb954c2a19871b3f96aa
SSDEEP

6144:sA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:sATuTAnKGwUAW3ycQqgf

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

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\280EC38D = "C:\\Users\\Admin\\AppData\\Roaming\\280EC38D\\bin.exe"	winver.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe
2760	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2760	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 912 wrote to memory of 2760	912	7c2d61be6904c8c0373e55adac7175c0_NEAS.exe	28
PID 912 wrote to memory of 2760	912	7c2d61be6904c8c0373e55adac7175c0_NEAS.exe	28
PID 912 wrote to memory of 2760	912	7c2d61be6904c8c0373e55adac7175c0_NEAS.exe	28
PID 912 wrote to memory of 2760	912	7c2d61be6904c8c0373e55adac7175c0_NEAS.exe	28
PID 912 wrote to memory of 2760	912	7c2d61be6904c8c0373e55adac7175c0_NEAS.exe	28
PID 2760 wrote to memory of 1212	2760	winver.exe	21
PID 2760 wrote to memory of 1132	2760	winver.exe	19
PID 2760 wrote to memory of 1176	2760	winver.exe	20
PID 2760 wrote to memory of 1212	2760	winver.exe	21
PID 2760 wrote to memory of 912	2760	winver.exe	27

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1132

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1176

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1212
- C:\Users\Admin\AppData\Local\Temp\7c2d61be6904c8c0373e55adac7175c0_NEAS.exe
  "C:\Users\Admin\AppData\Local\Temp\7c2d61be6904c8c0373e55adac7175c0_NEAS.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:912
- - 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:2760

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/912-22-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1132-23-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/1132-9-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/1176-12-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1176-25-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1212-3-0x0000000002E40000-0x0000000002E46000-memory.dmp

Filesize
24KB

Download
memory/1212-15-0x0000000002F50000-0x0000000002F56000-memory.dmp

Filesize
24KB

Download
memory/1212-1-0x0000000002E40000-0x0000000002E46000-memory.dmp

Filesize
24KB

Download
memory/1212-6-0x0000000002E40000-0x0000000002E46000-memory.dmp

Filesize
24KB

Download
memory/1212-24-0x0000000002F50000-0x0000000002F56000-memory.dmp

Filesize
24KB

Download
memory/2760-20-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2760-4-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2760-27-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download