gozi | f4639330a7f3a905bc5faa07eee325f5d9dee6ef4e96e05eeff8e91682d3b43b

Analysis

max time kernel
94s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
16/09/2024, 08:47

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General

Target

Ransom.Win32.Tescrypt.exe
Size

80KB
MD5

e4810c25939a78d1479e52720a25b830
SHA1

83fcc85e65f96989b6602f59273697e4bcfe7114
SHA256

f4639330a7f3a905bc5faa07eee325f5d9dee6ef4e96e05eeff8e91682d3b43b
SHA512

cc637e01a5a53baeb4909057347349687a0ff999f88c71a20b5263190ee341623ef78c22123aa3d988e06ae39a8c3ab73273b40bd81b4efbb2c35763437aa002
SSDEEP

1536:EYPSyyHrcrpFPgzy7yCqF47UV1Hi8yBiweQKIIXIAZB0CmuJd4BXL:EMSyyLuFoLCqCm1C8yBijpBbd45

Score

10^/10

gozi banker discovery isfb trojan upx

Malware Config

Extracted

Family

gozi

Signatures

Gozi
Gozi is a well-known and widely distributed banking trojan.
banker trojan gozi

Deletes itself 1 IoCs

pid	Process
5112	Ransom.Win32.Tescrypt.exe

Executes dropped EXE 1 IoCs

pid	Process
5112	Ransom.Win32.Tescrypt.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/752-0-0x0000000000400000-0x000000000043A000-memory.dmp	upx
behavioral2/memory/5112-12-0x0000000000400000-0x000000000043A000-memory.dmp	upx
behavioral2/files/0x00090000000233f4-11.dat	upx

System Location Discovery: System Language Discovery 1 TTPs 1 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	Ransom.Win32.Tescrypt.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
752	Ransom.Win32.Tescrypt.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
752	Ransom.Win32.Tescrypt.exe
5112	Ransom.Win32.Tescrypt.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 752 wrote to memory of 5112	752	Ransom.Win32.Tescrypt.exe	83
PID 752 wrote to memory of 5112	752	Ransom.Win32.Tescrypt.exe	83
PID 752 wrote to memory of 5112	752	Ransom.Win32.Tescrypt.exe	83

C:\Users\Admin\AppData\Local\Temp\Ransom.Win32.Tescrypt.exe
"C:\Users\Admin\AppData\Local\Temp\Ransom.Win32.Tescrypt.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:752
- C:\Users\Admin\AppData\Local\Temp\Ransom.Win32.Tescrypt.exe
  C:\Users\Admin\AppData\Local\Temp\Ransom.Win32.Tescrypt.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Suspicious use of UnmapMainImage
  PID:5112

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

C:\Users\Admin\AppData\Local\Temp\Ransom.Win32.Tescrypt.exe

Filesize
80KB

MD5
69929d6076e93ae50739d3ced66b4c37

SHA1
f59aec5d5ea87a09f6103d2ccd1c912266897864

SHA256
366c7028b18160c06bc3b9fc273551ed7fb2804f0ab1baa99167d261553a210d

SHA512
5598d24fe26a7469360a2d699c18907d18c7e114c43d64dd5df62bb5646a6f4f633d8d535c5fa9865d0730139df236f5ad841fc02ac9dd926cda45da9c21e824

Download Submit
memory/752-0-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/752-1-0x0000000000190000-0x000000000019E000-memory.dmp

Filesize
56KB

Download
memory/752-2-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/752-13-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/5112-12-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/5112-14-0x0000000000190000-0x000000000019E000-memory.dmp

Filesize
56KB

Download
memory/5112-25-0x00000000014C0000-0x00000000014DB000-memory.dmp

Filesize
108KB

Download
memory/5112-20-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/5112-15-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/5112-26-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download