gozi_ifsb | d0136345e5d9b60ead6b8eabdd9887f43f96a27bfc2c1812737da9858e32d6ba

General

Target

d0136345e5d9b60ead6b8eabdd9887f43f96a27bfc2c1812737da9858e32d6ba.exe
Size

365KB
MD5

7012fcbeda3bebbceef18eba8e2a78db
SHA1

64bf265931d406c6c1632c5a6a16cbf335b1202e
SHA256

d0136345e5d9b60ead6b8eabdd9887f43f96a27bfc2c1812737da9858e32d6ba
SHA512

9761ab641cc625e804922522c6b89d95f1dee7325f634d39f6f8eb71cd45af8b75f24152759ee59977cf026fa696d85d77161cd3db246915b2240e31c1f69a6b

Score

10^/10

gozi_ifsb ursnif banker persistence spyware trojan

Malware Config

Extracted

Family

ursnif

Attributes

dga_base_url
dga_crc
0
dga_season
0
dga_tlds
dns_servers

Signatures

Gozi, Gozi IFSB
Gozi ISFB is a well-known and widely distributed banking trojan.
banker trojan gozi_ifsb
Ursnif, Dreambot
Ursnif is a variant of the Gozi IFSB with more capabilities.
banker trojan ursnif
Executes dropped EXE 1 IoCs

Processes:

Callmuid.exe

pid process

3968 Callmuid.exe
Deletes itself 1 IoCs

Processes:

Callmuid.exe

pid process

3968 Callmuid.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081

pid	process
3968	Callmuid.exe

pid	process
3968	Callmuid.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

d0136345e5d9b60ead6b8eabdd9887f43f96a27bfc2c1812737da9858e32d6ba.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Run\acmiager = "C:\\Users\\Admin\\AppData\\Roaming\\Certmcat\\Callmuid.exe"	d0136345e5d9b60ead6b8eabdd9887f43f96a27bfc2c1812737da9858e32d6ba.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

Callmuid.exesvchost.exeExplorer.EXE

description	pid	process	target process
PID 3968 set thread context of 3100	3968	Callmuid.exe	svchost.exe
PID 3100 set thread context of 3116	3100	svchost.exe	Explorer.EXE
PID 3116 set thread context of 3580	3116	Explorer.EXE	RuntimeBroker.exe
PID 3116 set thread context of 3936	3116	Explorer.EXE	WinMail.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

Callmuid.exeExplorer.EXE

pid process

3968 Callmuid.exe
3968 Callmuid.exe
3116 Explorer.EXE
3116 Explorer.EXE
Suspicious behavior: MapViewOfSection 4 IoCs

Processes:

Callmuid.exesvchost.exeExplorer.EXE

pid process

3968 Callmuid.exe
3100 svchost.exe
3116 Explorer.EXE
3116 Explorer.EXE
Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

3116 Explorer.EXE

pid	process
3968	Callmuid.exe
3968	Callmuid.exe
3116	Explorer.EXE
3116	Explorer.EXE

pid	process
3968	Callmuid.exe
3100	svchost.exe
3116	Explorer.EXE
3116	Explorer.EXE

pid	process
3116	Explorer.EXE

Suspicious use of WriteProcessMemory 31 IoCs

Processes:

d0136345e5d9b60ead6b8eabdd9887f43f96a27bfc2c1812737da9858e32d6ba.execmd.execmd.exeCallmuid.exesvchost.exeExplorer.EXEcmd.exe

description	pid	process	target process
PID 3408 wrote to memory of 2484	3408	d0136345e5d9b60ead6b8eabdd9887f43f96a27bfc2c1812737da9858e32d6ba.exe	cmd.exe
PID 3408 wrote to memory of 2484	3408	d0136345e5d9b60ead6b8eabdd9887f43f96a27bfc2c1812737da9858e32d6ba.exe	cmd.exe
PID 3408 wrote to memory of 2484	3408	d0136345e5d9b60ead6b8eabdd9887f43f96a27bfc2c1812737da9858e32d6ba.exe	cmd.exe
PID 2484 wrote to memory of 3768	2484	cmd.exe	cmd.exe
PID 2484 wrote to memory of 3768	2484	cmd.exe	cmd.exe
PID 2484 wrote to memory of 3768	2484	cmd.exe	cmd.exe
PID 3768 wrote to memory of 3968	3768	cmd.exe	Callmuid.exe
PID 3768 wrote to memory of 3968	3768	cmd.exe	Callmuid.exe
PID 3768 wrote to memory of 3968	3768	cmd.exe	Callmuid.exe
PID 3968 wrote to memory of 3100	3968	Callmuid.exe	svchost.exe
PID 3968 wrote to memory of 3100	3968	Callmuid.exe	svchost.exe
PID 3968 wrote to memory of 3100	3968	Callmuid.exe	svchost.exe
PID 3968 wrote to memory of 3100	3968	Callmuid.exe	svchost.exe
PID 3968 wrote to memory of 3100	3968	Callmuid.exe	svchost.exe
PID 3100 wrote to memory of 3116	3100	svchost.exe	Explorer.EXE
PID 3100 wrote to memory of 3116	3100	svchost.exe	Explorer.EXE
PID 3100 wrote to memory of 3116	3100	svchost.exe	Explorer.EXE
PID 3116 wrote to memory of 3580	3116	Explorer.EXE	RuntimeBroker.exe
PID 3116 wrote to memory of 3580	3116	Explorer.EXE	RuntimeBroker.exe
PID 3116 wrote to memory of 3580	3116	Explorer.EXE	RuntimeBroker.exe
PID 3116 wrote to memory of 3492	3116	Explorer.EXE	cmd.exe
PID 3116 wrote to memory of 3492	3116	Explorer.EXE	cmd.exe
PID 3492 wrote to memory of 376	3492	cmd.exe	nslookup.exe
PID 3492 wrote to memory of 376	3492	cmd.exe	nslookup.exe
PID 3116 wrote to memory of 1796	3116	Explorer.EXE	cmd.exe
PID 3116 wrote to memory of 1796	3116	Explorer.EXE	cmd.exe
PID 3116 wrote to memory of 3936	3116	Explorer.EXE	WinMail.exe
PID 3116 wrote to memory of 3936	3116	Explorer.EXE	WinMail.exe
PID 3116 wrote to memory of 3936	3116	Explorer.EXE	WinMail.exe
PID 3116 wrote to memory of 3936	3116	Explorer.EXE	WinMail.exe
PID 3116 wrote to memory of 3936	3116	Explorer.EXE	WinMail.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3116
- C:\Users\Admin\AppData\Local\Temp\d0136345e5d9b60ead6b8eabdd9887f43f96a27bfc2c1812737da9858e32d6ba.exe
  "C:\Users\Admin\AppData\Local\Temp\d0136345e5d9b60ead6b8eabdd9887f43f96a27bfc2c1812737da9858e32d6ba.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:3408
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\77EA\3BF5.bat" "C:\Users\Admin\AppData\Roaming\Certmcat\Callmuid.exe" "C:\Users\Admin\AppData\Local\Temp\D01363~1.EXE""
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2484
  - - C:\Windows\SysWOW64\cmd.exe
      cmd /C ""C:\Users\Admin\AppData\Roaming\Certmcat\Callmuid.exe" "C:\Users\Admin\AppData\Local\Temp\D01363~1.EXE""
      4⤵
      Suspicious use of WriteProcessMemory
      PID:3768
    - - C:\Users\Admin\AppData\Roaming\Certmcat\Callmuid.exe
        
        "C:\Users\Admin\AppData\Roaming\Certmcat\Callmuid.exe" "C:\Users\Admin\AppData\Local\Temp\D01363~1.EXE"
        5⤵
        Executes dropped EXE
        Deletes itself
        Suspicious use of SetThreadContext
        Suspicious behavior: EnumeratesProcesses
        Suspicious behavior: MapViewOfSection
        Suspicious use of WriteProcessMemory
        
        PID:3968
      - C:\Windows\system32\svchost.exe
        
        C:\Windows\system32\svchost.exe
        6⤵
        Suspicious use of SetThreadContext
        Suspicious behavior: MapViewOfSection
        Suspicious use of WriteProcessMemory
        
        PID:3100
- C:\Windows\system32\cmd.exe
  cmd /C "nslookup myip.opendns.com resolver1.opendns.com > C:\Users\Admin\AppData\Local\Temp\E689.bi1"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3492
- - C:\Windows\system32\nslookup.exe
    nslookup myip.opendns.com resolver1.opendns.com
    3⤵
    PID:376
- C:\Windows\system32\cmd.exe
  cmd /C "echo -------- >> C:\Users\Admin\AppData\Local\Temp\E689.bi1"
  2⤵
  PID:1796
- C:\Program Files\Windows Mail\WinMail.exe
  "C:\Program Files\Windows Mail\WinMail" OCInstallUserConfigOE
  2⤵
  PID:3936

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3580

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\77EA\3BF5.bat

MD5
99c82fc25563e98992ae7aba2c765c7a

SHA1
fdfc96d8d3f051fe9f827dfa5f5fd21d653bebbe

SHA256
1390b9c6cc1c34371e685ada9481fd3ce63e6ea7e4e45d756e8cdef3abe4ae38

SHA512
412e9a41934a0783a0fe1ef8d477463f45435f67faeeebcc99060ccd730ff204659f2de15d51bfac476b6514090791d5467a48859873f1ce6184d4ddc53d42cf

Download Submit
C:\Users\Admin\AppData\Local\Temp\E689.bi1

MD5
c4f77466fa6bb3b7b587745fd51eb73e

SHA1
c9ee49b895e2cec4483b9e3d84e32f0d650edcbb

SHA256
37d5f9a9a4db772e5bcc6a0211a3092049c09f438067bc36cde152e10b79eeb8

SHA512
51c1ddeac48567d106cbcc5bad19b31639b73ec66d11ed83dbc90da880792df0b6bd6c6e28a712e854ceeb6bd96a3985e521cb9d666b0ccd087e96f4a90fc7d7

Download Submit
C:\Users\Admin\AppData\Local\Temp\E689.bi1

MD5
c4f77466fa6bb3b7b587745fd51eb73e

SHA1
c9ee49b895e2cec4483b9e3d84e32f0d650edcbb

SHA256
37d5f9a9a4db772e5bcc6a0211a3092049c09f438067bc36cde152e10b79eeb8

SHA512
51c1ddeac48567d106cbcc5bad19b31639b73ec66d11ed83dbc90da880792df0b6bd6c6e28a712e854ceeb6bd96a3985e521cb9d666b0ccd087e96f4a90fc7d7

Download Submit
C:\Users\Admin\AppData\Roaming\Certmcat\Callmuid.exe

MD5
7012fcbeda3bebbceef18eba8e2a78db

SHA1
64bf265931d406c6c1632c5a6a16cbf335b1202e

SHA256
d0136345e5d9b60ead6b8eabdd9887f43f96a27bfc2c1812737da9858e32d6ba

SHA512
9761ab641cc625e804922522c6b89d95f1dee7325f634d39f6f8eb71cd45af8b75f24152759ee59977cf026fa696d85d77161cd3db246915b2240e31c1f69a6b

Download Submit
C:\Users\Admin\AppData\Roaming\Certmcat\Callmuid.exe

MD5
7012fcbeda3bebbceef18eba8e2a78db

SHA1
64bf265931d406c6c1632c5a6a16cbf335b1202e

SHA256
d0136345e5d9b60ead6b8eabdd9887f43f96a27bfc2c1812737da9858e32d6ba

SHA512
9761ab641cc625e804922522c6b89d95f1dee7325f634d39f6f8eb71cd45af8b75f24152759ee59977cf026fa696d85d77161cd3db246915b2240e31c1f69a6b

Download Submit
memory/376-13-0x0000000000000000-mapping.dmp

Download
memory/1796-14-0x0000000000000000-mapping.dmp

Download
memory/2484-0-0x0000000000000000-mapping.dmp

Download
memory/3100-9-0x0000000000AB0000-0x0000000000AE5000-memory.dmp

Filesize
212KB

Download
memory/3100-8-0x00000048D54DA000-mapping.dmp

Download
memory/3100-10-0x00000170E8C20000-0x00000170E8CAF000-memory.dmp

Filesize
572KB

Download
memory/3100-6-0x0000000000000000-mapping.dmp

Download
memory/3116-11-0x0000000006500000-0x000000000658F000-memory.dmp

Filesize
572KB

Download
memory/3116-18-0x0000000006500000-0x000000000658F000-memory.dmp

Filesize
572KB

Download
memory/3492-12-0x0000000000000000-mapping.dmp

Download
memory/3768-2-0x0000000000000000-mapping.dmp

Download
memory/3936-17-0x0000000000000000-mapping.dmp

Download
memory/3936-19-0x000000C5D4462000-mapping.dmp

Download
memory/3936-20-0x000002C222180000-0x000002C2221B5000-memory.dmp

Filesize
212KB

Download
memory/3968-7-0x0000000002290000-0x000000000231F000-memory.dmp

Filesize
572KB

Download
memory/3968-3-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads