tinba | c3f8b49c830db63708f0340e4532c378b0085a024d1d3852b384d0def52e7988

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

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\D793E835 = "C:\\Users\\Admin\\AppData\\Roaming\\D793E835\\bin.exe"	winver.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4928-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3936	3368	WerFault.exe	86

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3368	winver.exe
3368	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3416	Explorer.EXE
Token: SeCreatePagefilePrivilege	3416	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3368	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3416	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4928 wrote to memory of 3368	4928	c3f8b49c830db63708f0340e4532c378b0085a024d1d3852b384d0def52e7988N.exe	86
PID 4928 wrote to memory of 3368	4928	c3f8b49c830db63708f0340e4532c378b0085a024d1d3852b384d0def52e7988N.exe	86
PID 4928 wrote to memory of 3368	4928	c3f8b49c830db63708f0340e4532c378b0085a024d1d3852b384d0def52e7988N.exe	86
PID 4928 wrote to memory of 3368	4928	c3f8b49c830db63708f0340e4532c378b0085a024d1d3852b384d0def52e7988N.exe	86
PID 3368 wrote to memory of 3416	3368	winver.exe	56
PID 3368 wrote to memory of 2808	3368	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2808

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3416
- 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:4928
- - 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:3368
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3368 -s 352
      4⤵
      Program crash
      PID:3936

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3368 -ip 3368
1⤵
PID:1384

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2808-15-0x0000000000C40000-0x0000000000C46000-memory.dmp

Filesize
24KB

Download
memory/3368-5-0x00000000778C2000-0x00000000778C3000-memory.dmp

Filesize
4KB

Download
memory/3368-16-0x0000000000AA0000-0x0000000000AA6000-memory.dmp

Filesize
24KB

Download
memory/3368-13-0x0000000000AA0000-0x0000000000AA6000-memory.dmp

Filesize
24KB

Download
memory/3368-7-0x00007FFC2D890000-0x00007FFC2DA85000-memory.dmp

Filesize
2.0MB

Download
memory/3416-2-0x00000000010B0000-0x00000000010B6000-memory.dmp

Filesize
24KB

Download
memory/3416-6-0x00007FFC2D92D000-0x00007FFC2D92E000-memory.dmp

Filesize
4KB

Download
memory/3416-11-0x00007FFC2DAC0000-0x00007FFC2DAC1000-memory.dmp

Filesize
4KB

Download
memory/3416-3-0x00000000010B0000-0x00000000010B6000-memory.dmp

Filesize
24KB

Download
memory/4928-4-0x0000000002250000-0x0000000002C50000-memory.dmp

Filesize
10.0MB

Download
memory/4928-9-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4928-10-0x0000000002250000-0x0000000002C50000-memory.dmp

Filesize
10.0MB

Download
memory/4928-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4928-1-0x00000000005A0000-0x00000000005A1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads