tinba | 42842a45d9d666225a611511484db5c1581a1c31ff59f28ffd06df232de858e8

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
18-12-2024 10:25

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General

Target

42842a45d9d666225a611511484db5c1581a1c31ff59f28ffd06df232de858e8N.exe
Size

88KB
MD5

d9069028240e6c4e6b0cc8cc1fe04890
SHA1

e2c2470103e118e3eba1281f19d48cea3a5ad323
SHA256

42842a45d9d666225a611511484db5c1581a1c31ff59f28ffd06df232de858e8
SHA512

fb3a9f46f091114daf8d409b2266b1c0130996f48c6aec94f18a3b0de6f00f8a68e10ddd4a7212076e3df84dc712af2699819945a60ffaa26d9af52ea0cb838e
SSDEEP

1536:L5nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsNI:L5fvp12UFKcD/6jwqWsNI

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-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\E246889E = "C:\\Users\\Admin\\AppData\\Roaming\\E246889E\\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	42842a45d9d666225a611511484db5c1581a1c31ff59f28ffd06df232de858e8N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2304	winver.exe
2304	winver.exe
2304	winver.exe
2304	winver.exe
2304	winver.exe
2304	winver.exe
2304	winver.exe
2304	winver.exe
2304	winver.exe
2304	winver.exe
2304	winver.exe
2304	winver.exe
2304	winver.exe
2304	winver.exe
2304	winver.exe
2304	winver.exe
2304	winver.exe
2304	winver.exe
2304	winver.exe
2304	winver.exe
2304	winver.exe
2304	winver.exe
2304	winver.exe
2304	winver.exe
2304	winver.exe
2304	winver.exe
2304	winver.exe
2304	winver.exe
2304	winver.exe
2304	winver.exe
2304	winver.exe
2304	winver.exe
2304	winver.exe
2304	winver.exe
2304	winver.exe
2304	winver.exe
2304	winver.exe
2304	winver.exe
2304	winver.exe
2304	winver.exe
2304	winver.exe
2304	winver.exe
2304	winver.exe
2304	winver.exe
2304	winver.exe
2304	winver.exe
2304	winver.exe
2304	winver.exe
2304	winver.exe
2304	winver.exe
2304	winver.exe
2304	winver.exe
2304	winver.exe
2304	winver.exe
2304	winver.exe
2304	winver.exe
2304	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2304	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2556 wrote to memory of 2304	2556	42842a45d9d666225a611511484db5c1581a1c31ff59f28ffd06df232de858e8N.exe	32
PID 2556 wrote to memory of 2304	2556	42842a45d9d666225a611511484db5c1581a1c31ff59f28ffd06df232de858e8N.exe	32
PID 2556 wrote to memory of 2304	2556	42842a45d9d666225a611511484db5c1581a1c31ff59f28ffd06df232de858e8N.exe	32
PID 2556 wrote to memory of 2304	2556	42842a45d9d666225a611511484db5c1581a1c31ff59f28ffd06df232de858e8N.exe	32
PID 2556 wrote to memory of 2304	2556	42842a45d9d666225a611511484db5c1581a1c31ff59f28ffd06df232de858e8N.exe	32
PID 2304 wrote to memory of 1156	2304	winver.exe	21
PID 2304 wrote to memory of 1048	2304	winver.exe	17
PID 2304 wrote to memory of 1096	2304	winver.exe	19
PID 2304 wrote to memory of 1156	2304	winver.exe	21
PID 2304 wrote to memory of 1016	2304	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1048

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1096

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1156
- C:\Users\Admin\AppData\Local\Temp\42842a45d9d666225a611511484db5c1581a1c31ff59f28ffd06df232de858e8N.exe
  "C:\Users\Admin\AppData\Local\Temp\42842a45d9d666225a611511484db5c1581a1c31ff59f28ffd06df232de858e8N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2556
- - 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:2304

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1016

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/1016-30-0x0000000077331000-0x0000000077332000-memory.dmp

Filesize
4KB

Download
memory/1016-24-0x0000000001ED0000-0x0000000001ED6000-memory.dmp

Filesize
24KB

Download
memory/1016-32-0x0000000001ED0000-0x0000000001ED6000-memory.dmp

Filesize
24KB

Download
memory/1048-29-0x0000000077331000-0x0000000077332000-memory.dmp

Filesize
4KB

Download
memory/1048-33-0x0000000000620000-0x0000000000626000-memory.dmp

Filesize
24KB

Download
memory/1048-25-0x0000000077331000-0x0000000077332000-memory.dmp

Filesize
4KB

Download
memory/1048-27-0x0000000077331000-0x0000000077332000-memory.dmp

Filesize
4KB

Download
memory/1048-28-0x0000000077331000-0x0000000077332000-memory.dmp

Filesize
4KB

Download
memory/1096-31-0x0000000077331000-0x0000000077332000-memory.dmp

Filesize
4KB

Download
memory/1096-36-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1096-19-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1156-21-0x0000000002520000-0x0000000002526000-memory.dmp

Filesize
24KB

Download
memory/1156-3-0x0000000002570000-0x0000000002576000-memory.dmp

Filesize
24KB

Download
memory/1156-1-0x0000000002570000-0x0000000002576000-memory.dmp

Filesize
24KB

Download
memory/1156-35-0x0000000002520000-0x0000000002526000-memory.dmp

Filesize
24KB

Download
memory/1156-2-0x0000000002570000-0x0000000002576000-memory.dmp

Filesize
24KB

Download
memory/1156-9-0x0000000077331000-0x0000000077332000-memory.dmp

Filesize
4KB

Download
memory/2304-7-0x00000000774DF000-0x00000000774E0000-memory.dmp

Filesize
4KB

Download
memory/2304-6-0x00000000774E0000-0x00000000774E1000-memory.dmp

Filesize
4KB

Download
memory/2304-26-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2304-5-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2304-8-0x00000000774DF000-0x00000000774E1000-memory.dmp

Filesize
8KB

Download
memory/2304-10-0x00000000772E0000-0x0000000077489000-memory.dmp

Filesize
1.7MB

Download
memory/2304-38-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/2556-12-0x0000000001B40000-0x0000000002540000-memory.dmp

Filesize
10.0MB

Download
memory/2556-4-0x0000000001B40000-0x0000000002540000-memory.dmp

Filesize
10.0MB

Download
memory/2556-11-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2556-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download