gozi | 77c4732c7a775660d950d4cd952150a145f317dad0657dfc6b64c1227989e1db

Reason

Machine shutdown

General

Target

JaffaCakes118_51045137416f6b58fbd97c0702fb2b6b.exe
Size

19KB
MD5

51045137416f6b58fbd97c0702fb2b6b
SHA1

cce9cb8393ec00bec05e0855500a578b0dc7ca1f
SHA256

77c4732c7a775660d950d4cd952150a145f317dad0657dfc6b64c1227989e1db
SHA512

c64dc192830f354087e3483592c7ca5ac29177f521d9561fdbfa726d85c2fd5cc059b24ff31b2bcc5deaa9e21acdd974014378113b7f461db949432c85433c2b
SSDEEP

384:yF5wSY5FcFTOjAjqMDP/Ik2qK7maNJawcudoD7Ubd:yFE5FoTJZKN7HnbcuyD7U

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
Gozi family
gozi

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	cmd.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-22591836-1183090055-1220658180-1000\Control Panel\International\Geo\Nation	JaffaCakes118_51045137416f6b58fbd97c0702fb2b6b.exe

Loads dropped DLL 1 IoCs

pid	Process
4844	JaffaCakes118_51045137416f6b58fbd97c0702fb2b6b.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4844-0-0x0000000000400000-0x0000000000412000-memory.dmp	upx
behavioral2/memory/4844-106-0x0000000000400000-0x0000000000412000-memory.dmp	upx

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 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_51045137416f6b58fbd97c0702fb2b6b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	shutdown.exe

Modifies data under HKEY_USERS 15 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365271"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent	LogonUI.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = a6d8ff0076b9ed00429ce3000078d700005a9e000042750000264200f7630c00	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "228"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292311040"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365271"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1"	LogonUI.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3664	shutdown.exe
Token: SeRemoteShutdownPrivilege	3664	shutdown.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4524	LogonUI.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4844 wrote to memory of 4860	4844	JaffaCakes118_51045137416f6b58fbd97c0702fb2b6b.exe	86
PID 4844 wrote to memory of 4860	4844	JaffaCakes118_51045137416f6b58fbd97c0702fb2b6b.exe	86
PID 4844 wrote to memory of 4860	4844	JaffaCakes118_51045137416f6b58fbd97c0702fb2b6b.exe	86
PID 4860 wrote to memory of 3664	4860	cmd.exe	91
PID 4860 wrote to memory of 3664	4860	cmd.exe	91
PID 4860 wrote to memory of 3664	4860	cmd.exe	91

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_51045137416f6b58fbd97c0702fb2b6b.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_51045137416f6b58fbd97c0702fb2b6b.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4844
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\6C08.tmp\murclub.bat" "
  2⤵
  - Drops file in Drivers directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4860
- - C:\Windows\SysWOW64\shutdown.exe
    shutdown -s -t 1 -c "ε°ΦßΩα" -f
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:3664

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa399e855 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:4524

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

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\6C08.tmp\b2e.dll

Filesize
31KB

MD5
7b860f28be19d4aef761fb991134a556

SHA1
0658a7456d0234dcca598b6ee599fe134d0ecd61

SHA256
57a2586d73188a694944c7da60c78380f82fac46452ed1a31c818ceb93e660bc

SHA512
a0685a25cbc3fff74aa4ad538ade5282242980f07fe1171e01644e0fa98e1ec6adc87b943290983f6fb5070d26fc15d697ae31a1f570e83e504ae1e4508aefa5

Download Submit
C:\Users\Admin\AppData\Local\Temp\6C08.tmp\murclub.bat

Filesize
7KB

MD5
7ac57cca0ecf9dbecc045b4ff71a7519

SHA1
8746be1750cc837c638ef8e845581be70aa6bea7

SHA256
1f2e8317f0fcf4c14b9baacc639ed987408b5d01100a32e0feb93f790748c7c2

SHA512
24fde19ec0d704ac3f49f9096c6ae8e31ab269cd1bc031eed7438fdf2282dc9b479527ba5f1f6adc94a9d06915c055d7368b128ee70093881c464afe62d75fe4

Download Submit
memory/4844-0-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/4844-106-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

Errors