tinba | 985a67a8d630b39234fe0b21d492429cf4d38a8c8c6e413b4ce333027f0a801c

Analysis

max time kernel
140s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
05-01-2025 18:03

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General

Target

JaffaCakes118_b58ab7caed0593af648b127b6d25e7cf.exe
Size

34KB
MD5

b58ab7caed0593af648b127b6d25e7cf
SHA1

199e3f423cb5a1fba87b21c5f7ecc8f5b63478f0
SHA256

985a67a8d630b39234fe0b21d492429cf4d38a8c8c6e413b4ce333027f0a801c
SHA512

d1e6cd3cecab1271e541861f6f9622e566baed63f0011237f61528d99fb87f3d14684737bb1720859d7460c0803f9c289be914c1e39b223da4bcb6911a0f3cf6
SSDEEP

768:Xp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:XpYoX58z1uirL98xMWnT0OQ9J2

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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\76ED2E45 = "C:\\Users\\Admin\\AppData\\Roaming\\76ED2E45\\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/3572-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3244	532	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	JaffaCakes118_b58ab7caed0593af648b127b6d25e7cf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
532	winver.exe
532	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3456	Explorer.EXE
Token: SeCreatePagefilePrivilege	3456	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
532	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3572 wrote to memory of 532	3572	JaffaCakes118_b58ab7caed0593af648b127b6d25e7cf.exe	84
PID 3572 wrote to memory of 532	3572	JaffaCakes118_b58ab7caed0593af648b127b6d25e7cf.exe	84
PID 3572 wrote to memory of 532	3572	JaffaCakes118_b58ab7caed0593af648b127b6d25e7cf.exe	84
PID 3572 wrote to memory of 532	3572	JaffaCakes118_b58ab7caed0593af648b127b6d25e7cf.exe	84
PID 532 wrote to memory of 3456	532	winver.exe	56
PID 532 wrote to memory of 2980	532	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2980

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3456
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b58ab7caed0593af648b127b6d25e7cf.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b58ab7caed0593af648b127b6d25e7cf.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3572
- - 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:532
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 532 -s 352
      4⤵
      Program crash
      PID:3244

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 532 -ip 532
1⤵
PID:4192

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/532-5-0x00000000779F2000-0x00000000779F3000-memory.dmp

Filesize
4KB

Download
memory/532-14-0x0000000000FB0000-0x0000000000FB6000-memory.dmp

Filesize
24KB

Download
memory/532-11-0x0000000000FB0000-0x0000000000FB6000-memory.dmp

Filesize
24KB

Download
memory/532-7-0x00007FFE73330000-0x00007FFE73525000-memory.dmp

Filesize
2.0MB

Download
memory/2980-13-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/3456-3-0x00000000024E0000-0x00000000024E6000-memory.dmp

Filesize
24KB

Download
memory/3456-6-0x00007FFE733CD000-0x00007FFE733CE000-memory.dmp

Filesize
4KB

Download
memory/3456-2-0x00000000024E0000-0x00000000024E6000-memory.dmp

Filesize
24KB

Download
memory/3572-4-0x0000000002190000-0x0000000002B90000-memory.dmp

Filesize
10.0MB

Download
memory/3572-8-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3572-9-0x0000000002190000-0x0000000002B90000-memory.dmp

Filesize
10.0MB

Download
memory/3572-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3572-1-0x0000000002170000-0x0000000002171000-memory.dmp

Filesize
4KB

Download