tinba | 77cd9bcf88daa1cc802686931d3f8c673c5be0a643f582b793ea95f8975df5cc

General

Target

77cd9bcf88daa1cc802686931d3f8c673c5be0a643f582b793ea95f8975df5cc.exe
Size

225KB
MD5

937bac3b2a292ae7b19a5cb1944606bb
SHA1

82bfbb5a2ce461b97250f76f56796e50d413a257
SHA256

77cd9bcf88daa1cc802686931d3f8c673c5be0a643f582b793ea95f8975df5cc
SHA512

6816a4b2c39494e4202dbb405a4be2d2b4c6a1c4e5fcf5f32c9e6d28714f2e625f882b3b0b0a99f35222f2b35f01eb5e9de348d66161fe337e76cd98d2f40de8
SSDEEP

6144:nA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:nATuTAnKGwUAW3ycQqgf

Score

10^/10

tinba banker persistence trojan

Malware Config

Signatures

Tinba / TinyBanker
Banking trojan which uses packet sniffing to steal data.
trojan banker 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-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\3A10B549 = "C:\\Users\\Admin\\AppData\\Roaming\\3A10B549\\bin.exe"	winver.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 61 IoCs

Processes:

winver.exe

pid	process
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

winver.exe

pid process

2440 winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

77cd9bcf88daa1cc802686931d3f8c673c5be0a643f582b793ea95f8975df5cc.exewinver.exe

description	pid	process	target process
PID 2784 wrote to memory of 2440	2784	77cd9bcf88daa1cc802686931d3f8c673c5be0a643f582b793ea95f8975df5cc.exe	winver.exe
PID 2784 wrote to memory of 2440	2784	77cd9bcf88daa1cc802686931d3f8c673c5be0a643f582b793ea95f8975df5cc.exe	winver.exe
PID 2784 wrote to memory of 2440	2784	77cd9bcf88daa1cc802686931d3f8c673c5be0a643f582b793ea95f8975df5cc.exe	winver.exe
PID 2784 wrote to memory of 2440	2784	77cd9bcf88daa1cc802686931d3f8c673c5be0a643f582b793ea95f8975df5cc.exe	winver.exe
PID 2784 wrote to memory of 2440	2784	77cd9bcf88daa1cc802686931d3f8c673c5be0a643f582b793ea95f8975df5cc.exe	winver.exe
PID 2440 wrote to memory of 1204	2440	winver.exe	Explorer.EXE
PID 2440 wrote to memory of 1112	2440	winver.exe	taskhost.exe
PID 2440 wrote to memory of 1168	2440	winver.exe	Dwm.exe
PID 2440 wrote to memory of 1204	2440	winver.exe	Explorer.EXE
PID 2440 wrote to memory of 2784	2440	winver.exe	77cd9bcf88daa1cc802686931d3f8c673c5be0a643f582b793ea95f8975df5cc.exe

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1112

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1168

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1204

C:\Users\Admin\AppData\Local\Temp\77cd9bcf88daa1cc802686931d3f8c673c5be0a643f582b793ea95f8975df5cc.exe
"C:\Users\Admin\AppData\Local\Temp\77cd9bcf88daa1cc802686931d3f8c673c5be0a643f582b793ea95f8975df5cc.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2784

C:\Windows\SysWOW64\winver.exe
winver
3⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2440

Network

MITRE ATT&CK Matrix ATT&CK v13

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 Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

memory/1112-9-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/1112-23-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/1168-25-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1168-12-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1204-1-0x0000000002E00000-0x0000000002E06000-memory.dmp

Filesize
24KB

Download
memory/1204-15-0x0000000002E50000-0x0000000002E56000-memory.dmp

Filesize
24KB

Download
memory/1204-3-0x0000000002E00000-0x0000000002E06000-memory.dmp

Filesize
24KB

Download
memory/1204-6-0x0000000002E00000-0x0000000002E06000-memory.dmp

Filesize
24KB

Download
memory/1204-24-0x0000000002E50000-0x0000000002E56000-memory.dmp

Filesize
24KB

Download
memory/2440-20-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2440-4-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2440-27-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2784-22-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads