tinba | e242cc5392577bbd62f7044d63b213df3a291f7f8990bd44ffae4211cbc376c2

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-11-2024 06:02

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General

Target

e242cc5392577bbd62f7044d63b213df3a291f7f8990bd44ffae4211cbc376c2N.exe
Size

88KB
MD5

3585981a98f99edf5a24e82c98338ee0
SHA1

3bc80d96ea143525df1990be85d22d61fb548c25
SHA256

e242cc5392577bbd62f7044d63b213df3a291f7f8990bd44ffae4211cbc376c2
SHA512

a98ecab62b278747b223ae212223ff7775210c8d15b2e27549bf067dbe716395dc3a0eb6b35a7314c005dacf080e5060f8fe3ef84b1608ef4bc3ee59fc5e03e0
SSDEEP

1536:Iz44CpRkr9DXhHf3aOd/56RrkQqjh+rmKVsN:IzvokZR/KM/ysjwqWsN

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\49B600C6 = "C:\\Users\\Admin\\AppData\\Roaming\\49B600C6\\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	e242cc5392577bbd62f7044d63b213df3a291f7f8990bd44ffae4211cbc376c2N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe
2700	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2700	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2112 wrote to memory of 2700	2112	e242cc5392577bbd62f7044d63b213df3a291f7f8990bd44ffae4211cbc376c2N.exe	31
PID 2112 wrote to memory of 2700	2112	e242cc5392577bbd62f7044d63b213df3a291f7f8990bd44ffae4211cbc376c2N.exe	31
PID 2112 wrote to memory of 2700	2112	e242cc5392577bbd62f7044d63b213df3a291f7f8990bd44ffae4211cbc376c2N.exe	31
PID 2112 wrote to memory of 2700	2112	e242cc5392577bbd62f7044d63b213df3a291f7f8990bd44ffae4211cbc376c2N.exe	31
PID 2112 wrote to memory of 2700	2112	e242cc5392577bbd62f7044d63b213df3a291f7f8990bd44ffae4211cbc376c2N.exe	31
PID 2700 wrote to memory of 1260	2700	winver.exe	21
PID 2700 wrote to memory of 1128	2700	winver.exe	19
PID 2700 wrote to memory of 1184	2700	winver.exe	20
PID 2700 wrote to memory of 1260	2700	winver.exe	21
PID 2700 wrote to memory of 1544	2700	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1128

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1184

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1260
- C:\Users\Admin\AppData\Local\Temp\e242cc5392577bbd62f7044d63b213df3a291f7f8990bd44ffae4211cbc376c2N.exe
  "C:\Users\Admin\AppData\Local\Temp\e242cc5392577bbd62f7044d63b213df3a291f7f8990bd44ffae4211cbc376c2N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2112
- - 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:2700

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1544

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/1128-23-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/1128-24-0x0000000077681000-0x0000000077682000-memory.dmp

Filesize
4KB

Download
memory/1184-33-0x0000000001E20000-0x0000000001E26000-memory.dmp

Filesize
24KB

Download
memory/1184-18-0x0000000001E20000-0x0000000001E26000-memory.dmp

Filesize
24KB

Download
memory/1184-28-0x0000000001E20000-0x0000000001E26000-memory.dmp

Filesize
24KB

Download
memory/1184-29-0x0000000077681000-0x0000000077682000-memory.dmp

Filesize
4KB

Download
memory/1260-25-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1260-2-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1260-1-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1260-20-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1260-9-0x0000000077681000-0x0000000077682000-memory.dmp

Filesize
4KB

Download
memory/1260-3-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1544-27-0x0000000077681000-0x0000000077682000-memory.dmp

Filesize
4KB

Download
memory/1544-26-0x0000000001D50000-0x0000000001D56000-memory.dmp

Filesize
24KB

Download
memory/1544-22-0x0000000001D50000-0x0000000001D56000-memory.dmp

Filesize
24KB

Download
memory/2112-12-0x0000000001D20000-0x0000000002720000-memory.dmp

Filesize
10.0MB

Download
memory/2112-11-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2112-4-0x0000000001D20000-0x0000000002720000-memory.dmp

Filesize
10.0MB

Download
memory/2112-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2700-30-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2700-5-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2700-6-0x0000000077830000-0x0000000077831000-memory.dmp

Filesize
4KB

Download
memory/2700-7-0x000000007782F000-0x0000000077830000-memory.dmp

Filesize
4KB

Download
memory/2700-8-0x000000007782F000-0x0000000077831000-memory.dmp

Filesize
8KB

Download
memory/2700-10-0x0000000077630000-0x00000000777D9000-memory.dmp

Filesize
1.7MB

Download