tinba | f743d0db4a371257d5b8a05e60d575e3f00a7acc7c7dc167ab8cff2aad9d210d

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-11-2024 05:29

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General

Target

f743d0db4a371257d5b8a05e60d575e3f00a7acc7c7dc167ab8cff2aad9d210dN.exe
Size

88KB
MD5

0bbe9a2f9df7efb0254d7dc247965b40
SHA1

be56c84033ff95b03c337f13b264ddde0000bb68
SHA256

f743d0db4a371257d5b8a05e60d575e3f00a7acc7c7dc167ab8cff2aad9d210d
SHA512

656a7cc379f8a53d0b738fcff0e089aa6520b6feb11871dc5460788694e1940d6446390c21c44924c162268e51e54d18700144393ae4d9a483f79448657260d9
SSDEEP

1536:U5nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsNI:U5fvp12UFKcD/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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\AB792A79 = "C:\\Users\\Admin\\AppData\\Roaming\\AB792A79\\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	f743d0db4a371257d5b8a05e60d575e3f00a7acc7c7dc167ab8cff2aad9d210dN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2552	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1924 wrote to memory of 2552	1924	f743d0db4a371257d5b8a05e60d575e3f00a7acc7c7dc167ab8cff2aad9d210dN.exe	31
PID 1924 wrote to memory of 2552	1924	f743d0db4a371257d5b8a05e60d575e3f00a7acc7c7dc167ab8cff2aad9d210dN.exe	31
PID 1924 wrote to memory of 2552	1924	f743d0db4a371257d5b8a05e60d575e3f00a7acc7c7dc167ab8cff2aad9d210dN.exe	31
PID 1924 wrote to memory of 2552	1924	f743d0db4a371257d5b8a05e60d575e3f00a7acc7c7dc167ab8cff2aad9d210dN.exe	31
PID 1924 wrote to memory of 2552	1924	f743d0db4a371257d5b8a05e60d575e3f00a7acc7c7dc167ab8cff2aad9d210dN.exe	31
PID 2552 wrote to memory of 1208	2552	winver.exe	21
PID 2552 wrote to memory of 1120	2552	winver.exe	19
PID 2552 wrote to memory of 1176	2552	winver.exe	20
PID 2552 wrote to memory of 1208	2552	winver.exe	21
PID 2552 wrote to memory of 1288	2552	winver.exe	25

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:1208
- C:\Users\Admin\AppData\Local\Temp\f743d0db4a371257d5b8a05e60d575e3f00a7acc7c7dc167ab8cff2aad9d210dN.exe
  "C:\Users\Admin\AppData\Local\Temp\f743d0db4a371257d5b8a05e60d575e3f00a7acc7c7dc167ab8cff2aad9d210dN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1924
- - 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:2552

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1288

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/1120-25-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/1120-26-0x0000000077121000-0x0000000077122000-memory.dmp

Filesize
4KB

Download
memory/1176-19-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1176-27-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1208-9-0x0000000077121000-0x0000000077122000-memory.dmp

Filesize
4KB

Download
memory/1208-3-0x00000000029B0000-0x00000000029B6000-memory.dmp

Filesize
24KB

Download
memory/1208-1-0x00000000029B0000-0x00000000029B6000-memory.dmp

Filesize
24KB

Download
memory/1208-21-0x0000000002960000-0x0000000002966000-memory.dmp

Filesize
24KB

Download
memory/1208-2-0x00000000029B0000-0x00000000029B6000-memory.dmp

Filesize
24KB

Download
memory/1208-24-0x0000000002960000-0x0000000002966000-memory.dmp

Filesize
24KB

Download
memory/1288-29-0x0000000077121000-0x0000000077122000-memory.dmp

Filesize
4KB

Download
memory/1288-28-0x00000000021C0000-0x00000000021C6000-memory.dmp

Filesize
24KB

Download
memory/1288-23-0x00000000021C0000-0x00000000021C6000-memory.dmp

Filesize
24KB

Download
memory/1924-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/1924-4-0x0000000001C90000-0x0000000002690000-memory.dmp

Filesize
10.0MB

Download
memory/1924-11-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1924-12-0x0000000001C90000-0x0000000002690000-memory.dmp

Filesize
10.0MB

Download
memory/2552-8-0x00000000772CF000-0x00000000772D1000-memory.dmp

Filesize
8KB

Download
memory/2552-10-0x00000000770D0000-0x0000000077279000-memory.dmp

Filesize
1.7MB

Download
memory/2552-5-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/2552-6-0x00000000772D0000-0x00000000772D1000-memory.dmp

Filesize
4KB

Download
memory/2552-7-0x00000000772CF000-0x00000000772D0000-memory.dmp

Filesize
4KB

Download
memory/2552-30-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download