tinba | 6ef1e2ea72e1b17af7aabc663fd18881c5a40d3975fd9687cbbdec6b9c8817fc

Analysis

max time kernel
119s
max time network
124s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
16/07/2024, 02:20

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General

Target
508424f053d57d9f4b0e6948c80d0b10N.exe
Size 225KB
Sample240716-csrcmatbqe
SHA256 6ef1e2ea72e1b17af7aabc663fd18881c5a40d3975fd9687cbbdec6b9c8817fc
MD5 508424f053d57d9f4b0e6948c80d0b10
SHA1 d9c5113d247b4d73dd9e09889a93d1aff0052830
SHA512 5de5e3ad7abdfe21c20cc01006b77c503c9eab26185f098002bac942364eac734aeaf3a9fc783195edf70a333c857ea28327438ac84b49e28c8aebf4ede9ba9b
SSDEEP 6144:bA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:bATuTAnKGwUAW3ycQqgf
MD5 SHA1 SHA512 SSDEEP

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-1-5-21-3502430532-24693940-2469786940-1000\Software\Microsoft\Windows\CurrentVersion\Run\4C7A8621 = "C:\\Users\\Admin\\AppData\\Roaming\\4C7A8621\\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 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 11 IoCs

description	pid	Process	procid_target
PID 2648 wrote to memory of 2724	2648	508424f053d57d9f4b0e6948c80d0b10N.exe	30
PID 2648 wrote to memory of 2724	2648	508424f053d57d9f4b0e6948c80d0b10N.exe	30
PID 2648 wrote to memory of 2724	2648	508424f053d57d9f4b0e6948c80d0b10N.exe	30
PID 2648 wrote to memory of 2724	2648	508424f053d57d9f4b0e6948c80d0b10N.exe	30
PID 2648 wrote to memory of 2724	2648	508424f053d57d9f4b0e6948c80d0b10N.exe	30
PID 2724 wrote to memory of 1228	2724	winver.exe	21
PID 2724 wrote to memory of 1120	2724	winver.exe	19
PID 2724 wrote to memory of 1176	2724	winver.exe	20
PID 2724 wrote to memory of 1228	2724	winver.exe	21
PID 2724 wrote to memory of 1384	2724	winver.exe	23
PID 2724 wrote to memory of 2648	2724	winver.exe	29

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

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1228
- C:\Users\Admin\AppData\Local\Temp\508424f053d57d9f4b0e6948c80d0b10N.exe
  "C:\Users\Admin\AppData\Local\Temp\508424f053d57d9f4b0e6948c80d0b10N.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2648
- - 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:2724

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1384

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/1120-29-0x0000000000210000-0x0000000000216000-memory.dmp

Download

memory/1120-9-0x0000000000210000-0x0000000000216000-memory.dmp

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memory/1176-12-0x0000000000130000-0x0000000000136000-memory.dmp

Download

memory/1176-28-0x0000000000130000-0x0000000000136000-memory.dmp

Download

memory/1228-3-0x0000000002510000-0x0000000002516000-memory.dmp

Download

memory/1228-15-0x0000000002520000-0x0000000002526000-memory.dmp

Download

memory/1228-1-0x0000000002510000-0x0000000002516000-memory.dmp

Download

memory/1228-6-0x0000000002510000-0x0000000002516000-memory.dmp

Download

memory/1228-27-0x0000000002520000-0x0000000002526000-memory.dmp

Download

memory/1384-18-0x0000000001DD0000-0x0000000001DD6000-memory.dmp

Download

memory/1384-26-0x0000000001DD0000-0x0000000001DD6000-memory.dmp

Download

memory/2648-25-0x0000000000400000-0x000000000043C000-memory.dmp

Download

memory/2724-23-0x0000000000250000-0x0000000000256000-memory.dmp

Download

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

Download

memory/2724-31-0x0000000000250000-0x0000000000256000-memory.dmp

Download