tinba | a7925e898a5d7ee1286ed5e4179fa5003fae015f1e7eb6c073cfb80a1b6d6981

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
16-01-2025 05:37

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General

Target

a7925e898a5d7ee1286ed5e4179fa5003fae015f1e7eb6c073cfb80a1b6d6981.exe
Size

237KB
MD5

3dea45befb436579a7459efdd419dc74
SHA1

d9cdb5208194c2625e410e3f2e836a7a6d2198de
SHA256

a7925e898a5d7ee1286ed5e4179fa5003fae015f1e7eb6c073cfb80a1b6d6981
SHA512

96fe5a8cc4f3adc3c7298b4c4b2492f8e03f1ffa1e0cad572d76af07c8f5a2ba94162893b4d1b860d17efaefe6f93e5434ee3cf71e03000a2be42c6fb1a8fd89
SSDEEP

6144:TA2P27yTAnKGw0hjFhSR/W1nyAJ9v0pMtRCpYA:TATuTAnKGwUAWVycQqgB

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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\22671A7F = "C:\\Users\\Admin\\AppData\\Roaming\\22671A7F\\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	a7925e898a5d7ee1286ed5e4179fa5003fae015f1e7eb6c073cfb80a1b6d6981.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2836	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2056 wrote to memory of 2836	2056	a7925e898a5d7ee1286ed5e4179fa5003fae015f1e7eb6c073cfb80a1b6d6981.exe	31
PID 2056 wrote to memory of 2836	2056	a7925e898a5d7ee1286ed5e4179fa5003fae015f1e7eb6c073cfb80a1b6d6981.exe	31
PID 2056 wrote to memory of 2836	2056	a7925e898a5d7ee1286ed5e4179fa5003fae015f1e7eb6c073cfb80a1b6d6981.exe	31
PID 2056 wrote to memory of 2836	2056	a7925e898a5d7ee1286ed5e4179fa5003fae015f1e7eb6c073cfb80a1b6d6981.exe	31
PID 2056 wrote to memory of 2836	2056	a7925e898a5d7ee1286ed5e4179fa5003fae015f1e7eb6c073cfb80a1b6d6981.exe	31
PID 2836 wrote to memory of 1244	2836	winver.exe	21
PID 2836 wrote to memory of 1124	2836	winver.exe	19
PID 2836 wrote to memory of 1180	2836	winver.exe	20
PID 2836 wrote to memory of 1244	2836	winver.exe	21
PID 2836 wrote to memory of 112	2836	winver.exe	25
PID 2836 wrote to memory of 2056	2836	winver.exe	29

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1124

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\a7925e898a5d7ee1286ed5e4179fa5003fae015f1e7eb6c073cfb80a1b6d6981.exe
  "C:\Users\Admin\AppData\Local\Temp\a7925e898a5d7ee1286ed5e4179fa5003fae015f1e7eb6c073cfb80a1b6d6981.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2056
- - 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:2836

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:112

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

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/112-27-0x0000000001DB0000-0x0000000001DB6000-memory.dmp

Filesize
24KB

Download
memory/112-18-0x0000000001DB0000-0x0000000001DB6000-memory.dmp

Filesize
24KB

Download
memory/1124-29-0x00000000020F0000-0x00000000020F6000-memory.dmp

Filesize
24KB

Download
memory/1124-9-0x00000000020F0000-0x00000000020F6000-memory.dmp

Filesize
24KB

Download
memory/1180-12-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1180-28-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1244-15-0x0000000002E20000-0x0000000002E26000-memory.dmp

Filesize
24KB

Download
memory/1244-6-0x0000000002DD0000-0x0000000002DD6000-memory.dmp

Filesize
24KB

Download
memory/1244-1-0x0000000002DD0000-0x0000000002DD6000-memory.dmp

Filesize
24KB

Download
memory/1244-3-0x0000000002DD0000-0x0000000002DD6000-memory.dmp

Filesize
24KB

Download
memory/1244-26-0x0000000002E20000-0x0000000002E26000-memory.dmp

Filesize
24KB

Download
memory/2056-25-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/2836-23-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2836-4-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2836-31-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download