tinba | c3f8b49c830db63708f0340e4532c378b0085a024d1d3852b384d0def52e7988

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
18-11-2024 06:55

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General

Target

c3f8b49c830db63708f0340e4532c378b0085a024d1d3852b384d0def52e7988N.exe
Size

49KB
MD5

93015750ce97b63b42f56612d574d1f0
SHA1

50c36b9ccdff16672adc601a16ecb26d16bf545c
SHA256

c3f8b49c830db63708f0340e4532c378b0085a024d1d3852b384d0def52e7988
SHA512

b189e396090147f623ddf2428a1bfbc1109de1c1a18f148c2199ecf2f16abaa2fa16abb0720d32b9ffbbb09176a377e514a2da6a40d37b644d66761190072cf8
SSDEEP

1536:iOBLXNqgzf2v6b6NkXklZlogHGe9eBXW:iYLduv6OqXIlogmjW

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

Processes:

winver.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\5948315A = "C:\\Users\\Admin\\AppData\\Roaming\\5948315A\\bin.exe"	winver.exe

UPX packed file 1 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2856-0-0x0000000000400000-0x000000000041D000-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

Processes:

c3f8b49c830db63708f0340e4532c378b0085a024d1d3852b384d0def52e7988N.exewinver.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c3f8b49c830db63708f0340e4532c378b0085a024d1d3852b384d0def52e7988N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

Processes:

winver.exe

pid	Process
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe
2628	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

winver.exe

pid	Process
2628	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

c3f8b49c830db63708f0340e4532c378b0085a024d1d3852b384d0def52e7988N.exewinver.exe

description	pid	Process	procid_target
PID 2856 wrote to memory of 2628	2856	c3f8b49c830db63708f0340e4532c378b0085a024d1d3852b384d0def52e7988N.exe	31
PID 2856 wrote to memory of 2628	2856	c3f8b49c830db63708f0340e4532c378b0085a024d1d3852b384d0def52e7988N.exe	31
PID 2856 wrote to memory of 2628	2856	c3f8b49c830db63708f0340e4532c378b0085a024d1d3852b384d0def52e7988N.exe	31
PID 2856 wrote to memory of 2628	2856	c3f8b49c830db63708f0340e4532c378b0085a024d1d3852b384d0def52e7988N.exe	31
PID 2856 wrote to memory of 2628	2856	c3f8b49c830db63708f0340e4532c378b0085a024d1d3852b384d0def52e7988N.exe	31
PID 2628 wrote to memory of 1212	2628	winver.exe	21
PID 2628 wrote to memory of 1116	2628	winver.exe	19
PID 2628 wrote to memory of 1164	2628	winver.exe	20
PID 2628 wrote to memory of 1212	2628	winver.exe	21
PID 2628 wrote to memory of 1592	2628	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1116

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1212
- C:\Users\Admin\AppData\Local\Temp\c3f8b49c830db63708f0340e4532c378b0085a024d1d3852b384d0def52e7988N.exe
  "C:\Users\Admin\AppData\Local\Temp\c3f8b49c830db63708f0340e4532c378b0085a024d1d3852b384d0def52e7988N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2856
- - 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:2628

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1592

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/1116-26-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/1116-27-0x0000000076E41000-0x0000000076E42000-memory.dmp

Filesize
4KB

Download
memory/1164-29-0x0000000002110000-0x0000000002116000-memory.dmp

Filesize
24KB

Download
memory/1164-19-0x0000000002110000-0x0000000002116000-memory.dmp

Filesize
24KB

Download
memory/1212-21-0x0000000002050000-0x0000000002056000-memory.dmp

Filesize
24KB

Download
memory/1212-3-0x0000000002ED0000-0x0000000002ED6000-memory.dmp

Filesize
24KB

Download
memory/1212-2-0x0000000002ED0000-0x0000000002ED6000-memory.dmp

Filesize
24KB

Download
memory/1212-4-0x0000000002ED0000-0x0000000002ED6000-memory.dmp

Filesize
24KB

Download
memory/1212-30-0x0000000002050000-0x0000000002056000-memory.dmp

Filesize
24KB

Download
memory/1212-10-0x0000000076E41000-0x0000000076E42000-memory.dmp

Filesize
4KB

Download
memory/1592-25-0x0000000076E41000-0x0000000076E42000-memory.dmp

Filesize
4KB

Download
memory/1592-24-0x0000000001C10000-0x0000000001C16000-memory.dmp

Filesize
24KB

Download
memory/1592-23-0x0000000001C10000-0x0000000001C16000-memory.dmp

Filesize
24KB

Download
memory/2628-6-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/2628-11-0x0000000076DF0000-0x0000000076F99000-memory.dmp

Filesize
1.7MB

Download
memory/2628-28-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/2628-7-0x0000000076FF0000-0x0000000076FF1000-memory.dmp

Filesize
4KB

Download
memory/2628-8-0x0000000076FEF000-0x0000000076FF0000-memory.dmp

Filesize
4KB

Download
memory/2628-9-0x0000000076FEF000-0x0000000076FF1000-memory.dmp

Filesize
8KB

Download
memory/2628-35-0x0000000000370000-0x0000000000371000-memory.dmp

Filesize
4KB

Download
memory/2856-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2856-13-0x0000000001C70000-0x0000000002670000-memory.dmp

Filesize
10.0MB

Download
memory/2856-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2856-5-0x0000000001C70000-0x0000000002670000-memory.dmp

Filesize
10.0MB

Download
memory/2856-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download