tinba | 4a227e191ffc7d89315641a9295c27d6c18508b98b1d7eabcb581d85877ad471

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12-01-2025 07:52

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General

Target

4a227e191ffc7d89315641a9295c27d6c18508b98b1d7eabcb581d85877ad471.exe
Size

110KB
MD5

590e945f4cf0d7d70cf0270289bb48a5
SHA1

bd6183b24916e727c89abf3fffaea479117b359b
SHA256

4a227e191ffc7d89315641a9295c27d6c18508b98b1d7eabcb581d85877ad471
SHA512

b4ab7eac4376a7355baac1fbc803ae08a15e3b020a3913462a4f292ad030898fb5e01e8759ea4433b64d819c9bf73257683c903461037f3fafe09304816aa35a
SSDEEP

1536:miLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0EQ:miyvRmDLs/ZrwWJjAqGcRJ2hQ

Score

10^/10

tinba banker discovery persistence trojan upx

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\1C40BAA4 = "C:\\Users\\Admin\\AppData\\Roaming\\1C40BAA4\\bin.exe"	winver.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2296-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

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	4a227e191ffc7d89315641a9295c27d6c18508b98b1d7eabcb581d85877ad471.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2956	winver.exe
1168	Explorer.EXE
1168	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1168	Explorer.EXE
1168	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2296 wrote to memory of 2956	2296	4a227e191ffc7d89315641a9295c27d6c18508b98b1d7eabcb581d85877ad471.exe	32
PID 2296 wrote to memory of 2956	2296	4a227e191ffc7d89315641a9295c27d6c18508b98b1d7eabcb581d85877ad471.exe	32
PID 2296 wrote to memory of 2956	2296	4a227e191ffc7d89315641a9295c27d6c18508b98b1d7eabcb581d85877ad471.exe	32
PID 2296 wrote to memory of 2956	2296	4a227e191ffc7d89315641a9295c27d6c18508b98b1d7eabcb581d85877ad471.exe	32
PID 2296 wrote to memory of 2956	2296	4a227e191ffc7d89315641a9295c27d6c18508b98b1d7eabcb581d85877ad471.exe	32
PID 2956 wrote to memory of 1168	2956	winver.exe	21
PID 2956 wrote to memory of 1048	2956	winver.exe	18
PID 2956 wrote to memory of 1120	2956	winver.exe	20
PID 2956 wrote to memory of 1168	2956	winver.exe	21
PID 2956 wrote to memory of 1984	2956	winver.exe	23

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1120

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1168
- C:\Users\Admin\AppData\Local\Temp\4a227e191ffc7d89315641a9295c27d6c18508b98b1d7eabcb581d85877ad471.exe
  "C:\Users\Admin\AppData\Local\Temp\4a227e191ffc7d89315641a9295c27d6c18508b98b1d7eabcb581d85877ad471.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2296
- - 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:2956

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1984

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/1048-24-0x0000000077A31000-0x0000000077A32000-memory.dmp

Filesize
4KB

Download
memory/1048-23-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/1120-27-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1120-25-0x0000000077A31000-0x0000000077A32000-memory.dmp

Filesize
4KB

Download
memory/1120-20-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1168-4-0x0000000002E20000-0x0000000002E26000-memory.dmp

Filesize
24KB

Download
memory/1168-22-0x0000000002D90000-0x0000000002D96000-memory.dmp

Filesize
24KB

Download
memory/1168-10-0x0000000077A31000-0x0000000077A32000-memory.dmp

Filesize
4KB

Download
memory/1168-2-0x0000000002E20000-0x0000000002E26000-memory.dmp

Filesize
24KB

Download
memory/1168-31-0x0000000002D90000-0x0000000002D96000-memory.dmp

Filesize
24KB

Download
memory/1168-3-0x0000000002E20000-0x0000000002E26000-memory.dmp

Filesize
24KB

Download
memory/1984-33-0x0000000077A31000-0x0000000077A32000-memory.dmp

Filesize
4KB

Download
memory/1984-32-0x0000000001E40000-0x0000000001E46000-memory.dmp

Filesize
24KB

Download
memory/2296-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2296-13-0x0000000001E60000-0x0000000002860000-memory.dmp

Filesize
10.0MB

Download
memory/2296-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2296-5-0x0000000001E60000-0x0000000002860000-memory.dmp

Filesize
10.0MB

Download
memory/2296-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2956-6-0x00000000004B0000-0x00000000004B6000-memory.dmp

Filesize
24KB

Download
memory/2956-7-0x0000000077BE0000-0x0000000077BE1000-memory.dmp

Filesize
4KB

Download
memory/2956-8-0x0000000077BDF000-0x0000000077BE0000-memory.dmp

Filesize
4KB

Download
memory/2956-9-0x0000000077BDF000-0x0000000077BE1000-memory.dmp

Filesize
8KB

Download
memory/2956-26-0x00000000004B0000-0x00000000004B6000-memory.dmp

Filesize
24KB

Download
memory/2956-11-0x00000000779E0000-0x0000000077B89000-memory.dmp

Filesize
1.7MB

Download