tinba | 7679bd1f03f560ce252ba9ef519dd4b3cb1ab2203907f5c445d1fc6ceda21464

General

Target

7679bd1f03f560ce252ba9ef519dd4b3cb1ab2203907f5c445d1fc6ceda21464N.exe
Size

89KB
MD5

e089ea4253942f5316cb87f9dcc49fb0
SHA1

598c6816ec842790c07c3de219c025db782029d1
SHA256

7679bd1f03f560ce252ba9ef519dd4b3cb1ab2203907f5c445d1fc6ceda21464
SHA512

fb32f67118b2bf966c13eb5bd4e955d72abec12c4af34dff525f35c691c425fc6e597c117696504be315fd788a0b1900d763e6f7bfabdf0d49b6b30e613bc66e
SSDEEP

1536:t1+mFM2HXKZgixhIksu+XM5/HtAQ9Jox76:v+4MJIkLZJNAQ9Jo96

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-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\91DD967E = "C:\\Users\\Admin\\AppData\\Roaming\\91DD967E\\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/1980-0-0x0000000000400000-0x0000000000418000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2788	1692	WerFault.exe	84

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	7679bd1f03f560ce252ba9ef519dd4b3cb1ab2203907f5c445d1fc6ceda21464N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1692	winver.exe
1692	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3396	Explorer.EXE
Token: SeCreatePagefilePrivilege	3396	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1692	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1980 wrote to memory of 1692	1980	7679bd1f03f560ce252ba9ef519dd4b3cb1ab2203907f5c445d1fc6ceda21464N.exe	84
PID 1980 wrote to memory of 1692	1980	7679bd1f03f560ce252ba9ef519dd4b3cb1ab2203907f5c445d1fc6ceda21464N.exe	84
PID 1980 wrote to memory of 1692	1980	7679bd1f03f560ce252ba9ef519dd4b3cb1ab2203907f5c445d1fc6ceda21464N.exe	84
PID 1980 wrote to memory of 1692	1980	7679bd1f03f560ce252ba9ef519dd4b3cb1ab2203907f5c445d1fc6ceda21464N.exe	84
PID 1692 wrote to memory of 3396	1692	winver.exe	56
PID 1692 wrote to memory of 2868	1692	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2868

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3396
- C:\Users\Admin\AppData\Local\Temp\7679bd1f03f560ce252ba9ef519dd4b3cb1ab2203907f5c445d1fc6ceda21464N.exe
  "C:\Users\Admin\AppData\Local\Temp\7679bd1f03f560ce252ba9ef519dd4b3cb1ab2203907f5c445d1fc6ceda21464N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1980
- - 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:1692
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1692 -s 352
      4⤵
      Program crash
      PID:2788

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1692 -ip 1692
1⤵
PID:1964

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/1692-5-0x0000000077372000-0x0000000077373000-memory.dmp

Filesize
4KB

Download
memory/1692-16-0x0000000000D90000-0x0000000000D96000-memory.dmp

Filesize
24KB

Download
memory/1692-12-0x0000000000D90000-0x0000000000D96000-memory.dmp

Filesize
24KB

Download
memory/1692-7-0x00007FFE4C550000-0x00007FFE4C745000-memory.dmp

Filesize
2.0MB

Download
memory/1980-10-0x0000000002190000-0x0000000002B90000-memory.dmp

Filesize
10.0MB

Download
memory/1980-4-0x0000000002190000-0x0000000002B90000-memory.dmp

Filesize
10.0MB

Download
memory/1980-9-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1980-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1980-1-0x00000000005E0000-0x00000000005E1000-memory.dmp

Filesize
4KB

Download
memory/2868-15-0x00007FFE4C5ED000-0x00007FFE4C5EE000-memory.dmp

Filesize
4KB

Download
memory/2868-14-0x0000000000CD0000-0x0000000000CD6000-memory.dmp

Filesize
24KB

Download
memory/2868-17-0x0000000000CD0000-0x0000000000CD6000-memory.dmp

Filesize
24KB

Download
memory/3396-6-0x00007FFE4C5ED000-0x00007FFE4C5EE000-memory.dmp

Filesize
4KB

Download
memory/3396-2-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/3396-3-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads