gozi | 25c910b9ddf17baf841ed4f7baa4d7296d3a6411e901e567b0bd7f6454ac2440

General

Target

2edb9333b749e26d78cf8e0d01875540N.exe
Size

7.6MB
MD5

2edb9333b749e26d78cf8e0d01875540
SHA1

c735a73c8185466e184c0a05470f46fe7c4c198f
SHA256

25c910b9ddf17baf841ed4f7baa4d7296d3a6411e901e567b0bd7f6454ac2440
SHA512

5dbfc9bc1080c497816280ed45b618f819f7abddd03656b8dcc4a1833b4f01414c3ab734679a89501d4614d546e771a948c935b59c538eb403a22eeb717a280b
SSDEEP

196608:fDXNRtASz9zqwWfKEvxvbbVCKlfMFELMc1GpC5o:fDXlASz9zqntZv3PMCLMc1Gs5

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

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4724-1-0x0000000000CF0000-0x00000000014AB000-memory.dmp	upx
behavioral2/memory/2052-2-0x0000000000700000-0x0000000001672000-memory.dmp	upx
behavioral2/memory/4724-4-0x0000000000CF0000-0x00000000014AB000-memory.dmp	upx

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2052	iexplore.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4724 set thread context of 2052	4724	2edb9333b749e26d78cf8e0d01875540N.exe	85

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1908	4724	WerFault.exe	82

System Location Discovery: System Language Discovery 1 TTPs 4 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	2edb9333b749e26d78cf8e0d01875540N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	iexplore.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ipconfig.exe

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
1828	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 32 IoCs

pid	Process
2052	iexplore.exe
2052	iexplore.exe
2052	iexplore.exe
2052	iexplore.exe
2052	iexplore.exe
2052	iexplore.exe
2052	iexplore.exe
2052	iexplore.exe
2052	iexplore.exe
2052	iexplore.exe
2052	iexplore.exe
2052	iexplore.exe
2052	iexplore.exe
2052	iexplore.exe
2052	iexplore.exe
2052	iexplore.exe
2052	iexplore.exe
2052	iexplore.exe
2052	iexplore.exe
2052	iexplore.exe
2052	iexplore.exe
2052	iexplore.exe
2052	iexplore.exe
2052	iexplore.exe
2052	iexplore.exe
2052	iexplore.exe
2052	iexplore.exe
2052	iexplore.exe
2052	iexplore.exe
2052	iexplore.exe
2052	iexplore.exe
2052	iexplore.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2052	iexplore.exe
2052	iexplore.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 4724 wrote to memory of 2052	4724	2edb9333b749e26d78cf8e0d01875540N.exe	85
PID 4724 wrote to memory of 2052	4724	2edb9333b749e26d78cf8e0d01875540N.exe	85
PID 4724 wrote to memory of 2052	4724	2edb9333b749e26d78cf8e0d01875540N.exe	85
PID 4724 wrote to memory of 2052	4724	2edb9333b749e26d78cf8e0d01875540N.exe	85
PID 4724 wrote to memory of 2052	4724	2edb9333b749e26d78cf8e0d01875540N.exe	85
PID 4724 wrote to memory of 2052	4724	2edb9333b749e26d78cf8e0d01875540N.exe	85
PID 4724 wrote to memory of 2052	4724	2edb9333b749e26d78cf8e0d01875540N.exe	85
PID 4724 wrote to memory of 2052	4724	2edb9333b749e26d78cf8e0d01875540N.exe	85
PID 4724 wrote to memory of 2052	4724	2edb9333b749e26d78cf8e0d01875540N.exe	85
PID 4724 wrote to memory of 2052	4724	2edb9333b749e26d78cf8e0d01875540N.exe	85
PID 2052 wrote to memory of 1508	2052	iexplore.exe	91
PID 2052 wrote to memory of 1508	2052	iexplore.exe	91
PID 2052 wrote to memory of 1508	2052	iexplore.exe	91
PID 1508 wrote to memory of 1828	1508	cmd.exe	93
PID 1508 wrote to memory of 1828	1508	cmd.exe	93
PID 1508 wrote to memory of 1828	1508	cmd.exe	93

C:\Users\Admin\AppData\Local\Temp\2edb9333b749e26d78cf8e0d01875540N.exe
"C:\Users\Admin\AppData\Local\Temp\2edb9333b749e26d78cf8e0d01875540N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4724
- C:\Program Files (x86)\Internet Explorer\iexplore.exe
  "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
  2⤵
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2052
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c ipconfig /flushdns
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1508
  - - C:\Windows\SysWOW64\ipconfig.exe
      ipconfig /flushdns
      4⤵
      System Location Discovery: System Language Discovery
      Gathers network information
      PID:1828
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4724 -s 240
  2⤵
  - Program crash
  PID:1908

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4724 -ip 4724
1⤵
PID:1392

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\2edb9333b749e26d78cf8e0d01875540N.cfg

Filesize
72B

MD5
1038dd78d4f479179016ff4e34b97f0f

SHA1
5a32bc875e8d7795de1e784194515365552f2d2d

SHA256
8536bb844501b787ac87fc9fa7a44e97f0c5754f538ec2ed8b2ba774ef948264

SHA512
bbb97c024d25bcef17c5430502959f25a54dcac3a0f8033cfd2a19b62a496a175ff4a001ea9ce9b8b32fc4a80fd4e18d4033a715460c01b504a23eef34458963

Download Submit
memory/2052-2-0x0000000000700000-0x0000000001672000-memory.dmp

Filesize
15.4MB

Download
memory/4724-1-0x0000000000CF0000-0x00000000014AB000-memory.dmp

Filesize
7.7MB

Download
memory/4724-4-0x0000000000CF0000-0x00000000014AB000-memory.dmp

Filesize
7.7MB

Download

Analysis

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