tinba | fea28520074bb25549bb3e9d83ce231b68e61aea6eddd6565019ce09da6f99ed

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
02-10-2024 20:35

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General

Target

fea28520074bb25549bb3e9d83ce231b68e61aea6eddd6565019ce09da6f99edN.exe
Size

88KB
MD5

f791595931bbd19a1564e8a6911fbb00
SHA1

577aeabc5ab221533a39fa798ef90b2b3ce884ac
SHA256

fea28520074bb25549bb3e9d83ce231b68e61aea6eddd6565019ce09da6f99ed
SHA512

dec6fdf000783fca29a3ac02b73e34352523100055f3b44e9fb9cdc4fce8d4be749ca2a4eb8709d7db23384516912c0cc0464a1f9a570ccb89b2cc64c21b3e04
SSDEEP

1536:kz44CpRkr9DXhHf3aOd/56RrkQqjh+rmKVsN:kzvokZR/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

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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\DFB2EDF2 = "C:\\Users\\Admin\\AppData\\Roaming\\DFB2EDF2\\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	fea28520074bb25549bb3e9d83ce231b68e61aea6eddd6565019ce09da6f99edN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe
2064	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2064	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2612 wrote to memory of 2064	2612	fea28520074bb25549bb3e9d83ce231b68e61aea6eddd6565019ce09da6f99edN.exe	32
PID 2612 wrote to memory of 2064	2612	fea28520074bb25549bb3e9d83ce231b68e61aea6eddd6565019ce09da6f99edN.exe	32
PID 2612 wrote to memory of 2064	2612	fea28520074bb25549bb3e9d83ce231b68e61aea6eddd6565019ce09da6f99edN.exe	32
PID 2612 wrote to memory of 2064	2612	fea28520074bb25549bb3e9d83ce231b68e61aea6eddd6565019ce09da6f99edN.exe	32
PID 2612 wrote to memory of 2064	2612	fea28520074bb25549bb3e9d83ce231b68e61aea6eddd6565019ce09da6f99edN.exe	32
PID 2064 wrote to memory of 1208	2064	winver.exe	21
PID 2064 wrote to memory of 1112	2064	winver.exe	19
PID 2064 wrote to memory of 1164	2064	winver.exe	20
PID 2064 wrote to memory of 1208	2064	winver.exe	21
PID 2064 wrote to memory of 612	2064	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1112

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1164

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1208
- C:\Users\Admin\AppData\Local\Temp\fea28520074bb25549bb3e9d83ce231b68e61aea6eddd6565019ce09da6f99edN.exe
  "C:\Users\Admin\AppData\Local\Temp\fea28520074bb25549bb3e9d83ce231b68e61aea6eddd6565019ce09da6f99edN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2612
- - 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:2064

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:612

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/612-29-0x0000000077071000-0x0000000077072000-memory.dmp

Filesize
4KB

Download
memory/612-32-0x0000000001C40000-0x0000000001C46000-memory.dmp

Filesize
24KB

Download
memory/612-24-0x0000000001C40000-0x0000000001C46000-memory.dmp

Filesize
24KB

Download
memory/1112-25-0x0000000001F10000-0x0000000001F16000-memory.dmp

Filesize
24KB

Download
memory/1112-26-0x0000000077071000-0x0000000077072000-memory.dmp

Filesize
4KB

Download
memory/1164-28-0x0000000077071000-0x0000000077072000-memory.dmp

Filesize
4KB

Download
memory/1164-30-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/1164-20-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/1208-22-0x0000000002D70000-0x0000000002D76000-memory.dmp

Filesize
24KB

Download
memory/1208-27-0x0000000002D70000-0x0000000002D76000-memory.dmp

Filesize
24KB

Download
memory/1208-2-0x0000000002DD0000-0x0000000002DD6000-memory.dmp

Filesize
24KB

Download
memory/1208-3-0x0000000002DD0000-0x0000000002DD6000-memory.dmp

Filesize
24KB

Download
memory/1208-1-0x0000000002DD0000-0x0000000002DD6000-memory.dmp

Filesize
24KB

Download
memory/1208-9-0x0000000077071000-0x0000000077072000-memory.dmp

Filesize
4KB

Download
memory/2064-10-0x0000000077020000-0x00000000771C9000-memory.dmp

Filesize
1.7MB

Download
memory/2064-8-0x000000007721F000-0x0000000077221000-memory.dmp

Filesize
8KB

Download
memory/2064-7-0x000000007721F000-0x0000000077220000-memory.dmp

Filesize
4KB

Download
memory/2064-6-0x0000000077220000-0x0000000077221000-memory.dmp

Filesize
4KB

Download
memory/2064-31-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/2064-5-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/2064-37-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/2612-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2612-4-0x0000000001CE0000-0x00000000026E0000-memory.dmp

Filesize
10.0MB

Download
memory/2612-12-0x0000000001CE0000-0x00000000026E0000-memory.dmp

Filesize
10.0MB

Download
memory/2612-11-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download