gozi_ifsb | adc9b4cb1e28544650105ab18a56bead0d8e2f2bbf77156683b5331b6060140d

Analysis

max time kernel
21s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
13-10-2022 16:57

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General

Target

adc9b4cb1e28544650105ab18a56bead0d8e2f2bbf77156683b5331b6060140d.exe
Size

370KB
MD5

5cf7fc7c80c42516bd3854417ccf6740
SHA1

049b0b593cedc880f46436b3134b5d4783de415d
SHA256

adc9b4cb1e28544650105ab18a56bead0d8e2f2bbf77156683b5331b6060140d
SHA512

d7e7db1d4b6ee03135fd1383323880881f4efbc6254903bf78adc18fdf9c9af8730456189ef55ae2be64e695656dff57ad8c9faed574c65035d9664e318daa7d
SSDEEP

6144:is9nB3cwgQccgBs9Hu5qRY41QnMWGMRosf9WSf4VzQtwHwwnn8rVN1c:viwgQcctH8qP1QnxGioqrwfHZslc

Score

10^/10

gozi_ifsb banker bootkit persistence trojan

Malware Config

Signatures

Gozi, Gozi IFSB
Gozi ISFB is a well-known and widely distributed banking trojan.
banker trojan gozi_ifsb
Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1088 cmd.exe
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
bootkit persistence

Bootkit
T1067

Processes:

adc9b4cb1e28544650105ab18a56bead0d8e2f2bbf77156683b5331b6060140d.exe

description ioc process

File opened for modification \??\PHYSICALDRIVE0 adc9b4cb1e28544650105ab18a56bead0d8e2f2bbf77156683b5331b6060140d.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

pid	process
1088	cmd.exe

description	ioc	process
File opened for modification	\??\PHYSICALDRIVE0	adc9b4cb1e28544650105ab18a56bead0d8e2f2bbf77156683b5331b6060140d.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

adc9b4cb1e28544650105ab18a56bead0d8e2f2bbf77156683b5331b6060140d.execmd.exe

description	pid	process	target process
PID 1732 wrote to memory of 1088	1732	adc9b4cb1e28544650105ab18a56bead0d8e2f2bbf77156683b5331b6060140d.exe	cmd.exe
PID 1732 wrote to memory of 1088	1732	adc9b4cb1e28544650105ab18a56bead0d8e2f2bbf77156683b5331b6060140d.exe	cmd.exe
PID 1732 wrote to memory of 1088	1732	adc9b4cb1e28544650105ab18a56bead0d8e2f2bbf77156683b5331b6060140d.exe	cmd.exe
PID 1732 wrote to memory of 1088	1732	adc9b4cb1e28544650105ab18a56bead0d8e2f2bbf77156683b5331b6060140d.exe	cmd.exe
PID 1088 wrote to memory of 1740	1088	cmd.exe	attrib.exe
PID 1088 wrote to memory of 1740	1088	cmd.exe	attrib.exe
PID 1088 wrote to memory of 1740	1088	cmd.exe	attrib.exe
PID 1088 wrote to memory of 1740	1088	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

1740 attrib.exe

pid	process
1740	attrib.exe

C:\Users\Admin\AppData\Local\Temp\adc9b4cb1e28544650105ab18a56bead0d8e2f2bbf77156683b5331b6060140d.exe
"C:\Users\Admin\AppData\Local\Temp\adc9b4cb1e28544650105ab18a56bead0d8e2f2bbf77156683b5331b6060140d.exe"
1⤵
- Writes to the Master Boot Record (MBR)
- Suspicious use of WriteProcessMemory
PID:1732
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\588D.bat" "C:\Users\Admin\AppData\Local\Temp\ADC9B4~1.EXE""
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:1088
- - C:\Windows\SysWOW64\attrib.exe
    attrib -r -s -h "C:\Users\Admin\AppData\Local\Temp\ADC9B4~1.EXE"
    3⤵
    - Views/modifies file attributes
    PID:1740

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Bootkit

T1067

Hidden Files and Directories

T1158

Privilege Escalation

Defense Evasion

Hidden Files and Directories

T1158

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\588D.bat

Filesize
72B

MD5
f44ecc9db8cde52fb2432eeebe3cb2fb

SHA1
0886922986f2a360a4b94c8c0e9cfea4265d47c2

SHA256
f20bc5313d4fb0c4cd91fcded4a000ea048532478f76ab15fbb14ba2d8eabcb4

SHA512
6456403e76789511571acff87c424c4a80eb3f9522f87f3a1d1f932d635539ab8922062110e99a6d9de2b7499ac166b350a052be270188f8349e1041633b775f

Download Submit
memory/1088-61-0x0000000000000000-mapping.dmp

Download
memory/1732-54-0x0000000075771000-0x0000000075773000-memory.dmp

Filesize
8KB

Download
memory/1732-55-0x0000000000320000-0x0000000000325000-memory.dmp

Filesize
20KB

Download
memory/1732-60-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/1740-63-0x0000000000000000-mapping.dmp

Download