tinba | 2bb8c08f221668c006ada1625129c7c044a67de4006910254da84ca0de9f1c7c

Analysis

max time kernel
118s
max time network
117s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
22/08/2024, 23:41

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General

Target

b83608d57505af4b96a42b4d3d590e00N.exe
Size

106KB
MD5

b83608d57505af4b96a42b4d3d590e00
SHA1

42688f6da6033c2a96ef05943158dfd54807ba64
SHA256

2bb8c08f221668c006ada1625129c7c044a67de4006910254da84ca0de9f1c7c
SHA512

78f585a417bb7d333487a8516119b0c55097175d4e191e580e2e21d5fce1c3fbb3cbe1e9f615de8cbe93280073f7df25e36f64b1445106ad8b4f155323b7e7b0
SSDEEP

768:++6p+OMlgGXCWhfDzU7f0JDgi9I57+sByZ+XsfXpwtG9ipelU9JA:++mFM2QXtZgi9Iksu+XM57ipeq9JA

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

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-1-5-21-1385883288-3042840365-2734249351-1000\Software\Microsoft\Windows\CurrentVersion\Run\1D9360A7 = "C:\\Users\\Admin\\AppData\\Roaming\\1D9360A7\\bin.exe"	winver.exe

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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b83608d57505af4b96a42b4d3d590e00N.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2368	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2040 wrote to memory of 2368	2040	b83608d57505af4b96a42b4d3d590e00N.exe	31
PID 2040 wrote to memory of 2368	2040	b83608d57505af4b96a42b4d3d590e00N.exe	31
PID 2040 wrote to memory of 2368	2040	b83608d57505af4b96a42b4d3d590e00N.exe	31
PID 2040 wrote to memory of 2368	2040	b83608d57505af4b96a42b4d3d590e00N.exe	31
PID 2040 wrote to memory of 2368	2040	b83608d57505af4b96a42b4d3d590e00N.exe	31
PID 2368 wrote to memory of 1380	2368	winver.exe	21
PID 2368 wrote to memory of 1228	2368	winver.exe	19
PID 2368 wrote to memory of 1324	2368	winver.exe	20
PID 2368 wrote to memory of 1380	2368	winver.exe	21
PID 2368 wrote to memory of 1052	2368	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1228

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1324

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1380
- C:\Users\Admin\AppData\Local\Temp\b83608d57505af4b96a42b4d3d590e00N.exe
  "C:\Users\Admin\AppData\Local\Temp\b83608d57505af4b96a42b4d3d590e00N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2040
- - 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:2368

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1052

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 Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1052-28-0x0000000001F70000-0x0000000001F76000-memory.dmp

Filesize
24KB

Download
memory/1052-31-0x0000000001F70000-0x0000000001F76000-memory.dmp

Filesize
24KB

Download
memory/1052-32-0x00000000777D1000-0x00000000777D2000-memory.dmp

Filesize
4KB

Download
memory/1228-23-0x0000000001F00000-0x0000000001F06000-memory.dmp

Filesize
24KB

Download
memory/1228-24-0x00000000777D1000-0x00000000777D2000-memory.dmp

Filesize
4KB

Download
memory/1324-29-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1324-20-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1324-25-0x00000000777D1000-0x00000000777D2000-memory.dmp

Filesize
4KB

Download
memory/1380-22-0x0000000002900000-0x0000000002906000-memory.dmp

Filesize
24KB

Download
memory/1380-10-0x00000000777D1000-0x00000000777D2000-memory.dmp

Filesize
4KB

Download
memory/1380-4-0x0000000002950000-0x0000000002956000-memory.dmp

Filesize
24KB

Download
memory/1380-30-0x0000000002900000-0x0000000002906000-memory.dmp

Filesize
24KB

Download
memory/1380-3-0x0000000002950000-0x0000000002956000-memory.dmp

Filesize
24KB

Download
memory/1380-2-0x0000000002950000-0x0000000002956000-memory.dmp

Filesize
24KB

Download
memory/2040-0-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2040-5-0x0000000001D80000-0x0000000002780000-memory.dmp

Filesize
10.0MB

Download
memory/2040-13-0x0000000001D80000-0x0000000002780000-memory.dmp

Filesize
10.0MB

Download
memory/2040-12-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2040-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2368-9-0x000000007797F000-0x0000000077981000-memory.dmp

Filesize
8KB

Download
memory/2368-8-0x000000007797F000-0x0000000077980000-memory.dmp

Filesize
4KB

Download
memory/2368-7-0x0000000077980000-0x0000000077981000-memory.dmp

Filesize
4KB

Download
memory/2368-11-0x0000000077780000-0x0000000077929000-memory.dmp

Filesize
1.7MB

Download
memory/2368-6-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download