gozi | c58f196fdf796e7ee65379f54a74a2bf99c1d76148d0bc3fb18376dfe83d09e3

Analysis

max time kernel
147s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11-12-2024 16:16

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General

Target

e24537cc5cc2a0c3d2b0a436225bcb9f_JaffaCakes118.exe
Size

3.5MB
MD5

e24537cc5cc2a0c3d2b0a436225bcb9f
SHA1

f0c95f060d39c0b7278259a67f947b7617fa16f9
SHA256

c58f196fdf796e7ee65379f54a74a2bf99c1d76148d0bc3fb18376dfe83d09e3
SHA512

ce854efc998042fd2a9728100c24821117daac275a9ab8850bbff151dd3aeee6f16af7224d8b057514dc662e85968a631f42bc38bdb135e96f72d9c00373341d
SSDEEP

98304:qTe3GIxSRqXxpS/bvI5HYuirZlRx1npV9u1O:qe3GIxSRwxGIRFir/R7npVMo

Score

10^/10

gozi banker discovery isfb trojan

Malware Config

Extracted

Family

gozi

Attributes

build
217038

Signatures

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

Executes dropped EXE 4 IoCs

pid	Process
1916	e24537cc5cc2a0c3d2b0a436225bcb9f_JaffaCakes118.tmp
1156	smcphost.exe
1592	smcphost.exe
2684	YTLoader.exe

Loads dropped DLL 10 IoCs

pid	Process
2364	e24537cc5cc2a0c3d2b0a436225bcb9f_JaffaCakes118.exe
1916	e24537cc5cc2a0c3d2b0a436225bcb9f_JaffaCakes118.tmp
1156	smcphost.exe
1156	smcphost.exe
1916	e24537cc5cc2a0c3d2b0a436225bcb9f_JaffaCakes118.tmp
1816	WerFault.exe
1816	WerFault.exe
1816	WerFault.exe
1816	WerFault.exe
1816	WerFault.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1156 set thread context of 1592	1156	smcphost.exe	33

Drops file in Program Files directory 7 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\LetsSee!\is-C543V.tmp	e24537cc5cc2a0c3d2b0a436225bcb9f_JaffaCakes118.tmp
File created	C:\Program Files (x86)\LetsSee!\is-03I2P.tmp	e24537cc5cc2a0c3d2b0a436225bcb9f_JaffaCakes118.tmp
File created	C:\Program Files (x86)\LetsSee!\is-EII12.tmp	e24537cc5cc2a0c3d2b0a436225bcb9f_JaffaCakes118.tmp
File opened for modification	C:\Program Files (x86)\LetsSee!\unins000.dat	e24537cc5cc2a0c3d2b0a436225bcb9f_JaffaCakes118.tmp
File opened for modification	C:\Program Files (x86)\LetsSee!\smcphost.exe	e24537cc5cc2a0c3d2b0a436225bcb9f_JaffaCakes118.tmp
File opened for modification	C:\Program Files (x86)\LetsSee!\YTLoader.exe	e24537cc5cc2a0c3d2b0a436225bcb9f_JaffaCakes118.tmp
File created	C:\Program Files (x86)\LetsSee!\unins000.dat	e24537cc5cc2a0c3d2b0a436225bcb9f_JaffaCakes118.tmp

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1816	2684	WerFault.exe	34

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	e24537cc5cc2a0c3d2b0a436225bcb9f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e24537cc5cc2a0c3d2b0a436225bcb9f_JaffaCakes118.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	smcphost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	YTLoader.exe

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral1/files/0x000400000001ca85-20.dat	nsis_installer_1
behavioral1/files/0x000400000001ca85-20.dat	nsis_installer_2

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	YTLoader.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	YTLoader.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	YTLoader.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	YTLoader.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1916	e24537cc5cc2a0c3d2b0a436225bcb9f_JaffaCakes118.tmp
1916	e24537cc5cc2a0c3d2b0a436225bcb9f_JaffaCakes118.tmp

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1916	e24537cc5cc2a0c3d2b0a436225bcb9f_JaffaCakes118.tmp

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1156	smcphost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2684	YTLoader.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1916	e24537cc5cc2a0c3d2b0a436225bcb9f_JaffaCakes118.tmp

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2364 wrote to memory of 1916	2364	e24537cc5cc2a0c3d2b0a436225bcb9f_JaffaCakes118.exe	30
PID 2364 wrote to memory of 1916	2364	e24537cc5cc2a0c3d2b0a436225bcb9f_JaffaCakes118.exe	30
PID 2364 wrote to memory of 1916	2364	e24537cc5cc2a0c3d2b0a436225bcb9f_JaffaCakes118.exe	30
PID 2364 wrote to memory of 1916	2364	e24537cc5cc2a0c3d2b0a436225bcb9f_JaffaCakes118.exe	30
PID 2364 wrote to memory of 1916	2364	e24537cc5cc2a0c3d2b0a436225bcb9f_JaffaCakes118.exe	30
PID 2364 wrote to memory of 1916	2364	e24537cc5cc2a0c3d2b0a436225bcb9f_JaffaCakes118.exe	30
PID 2364 wrote to memory of 1916	2364	e24537cc5cc2a0c3d2b0a436225bcb9f_JaffaCakes118.exe	30
PID 1916 wrote to memory of 1156	1916	e24537cc5cc2a0c3d2b0a436225bcb9f_JaffaCakes118.tmp	32
PID 1916 wrote to memory of 1156	1916	e24537cc5cc2a0c3d2b0a436225bcb9f_JaffaCakes118.tmp	32
PID 1916 wrote to memory of 1156	1916	e24537cc5cc2a0c3d2b0a436225bcb9f_JaffaCakes118.tmp	32
PID 1916 wrote to memory of 1156	1916	e24537cc5cc2a0c3d2b0a436225bcb9f_JaffaCakes118.tmp	32
PID 1916 wrote to memory of 1156	1916	e24537cc5cc2a0c3d2b0a436225bcb9f_JaffaCakes118.tmp	32
PID 1916 wrote to memory of 1156	1916	e24537cc5cc2a0c3d2b0a436225bcb9f_JaffaCakes118.tmp	32
PID 1916 wrote to memory of 1156	1916	e24537cc5cc2a0c3d2b0a436225bcb9f_JaffaCakes118.tmp	32
PID 1156 wrote to memory of 1592	1156	smcphost.exe	33
PID 1156 wrote to memory of 1592	1156	smcphost.exe	33
PID 1156 wrote to memory of 1592	1156	smcphost.exe	33
PID 1156 wrote to memory of 1592	1156	smcphost.exe	33
PID 1156 wrote to memory of 1592	1156	smcphost.exe	33
PID 1156 wrote to memory of 1592	1156	smcphost.exe	33
PID 1156 wrote to memory of 1592	1156	smcphost.exe	33
PID 1156 wrote to memory of 1592	1156	smcphost.exe	33
PID 1916 wrote to memory of 2684	1916	e24537cc5cc2a0c3d2b0a436225bcb9f_JaffaCakes118.tmp	34
PID 1916 wrote to memory of 2684	1916	e24537cc5cc2a0c3d2b0a436225bcb9f_JaffaCakes118.tmp	34
PID 1916 wrote to memory of 2684	1916	e24537cc5cc2a0c3d2b0a436225bcb9f_JaffaCakes118.tmp	34
PID 1916 wrote to memory of 2684	1916	e24537cc5cc2a0c3d2b0a436225bcb9f_JaffaCakes118.tmp	34
PID 2684 wrote to memory of 1816	2684	YTLoader.exe	35
PID 2684 wrote to memory of 1816	2684	YTLoader.exe	35
PID 2684 wrote to memory of 1816	2684	YTLoader.exe	35
PID 2684 wrote to memory of 1816	2684	YTLoader.exe	35

C:\Users\Admin\AppData\Local\Temp\e24537cc5cc2a0c3d2b0a436225bcb9f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e24537cc5cc2a0c3d2b0a436225bcb9f_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2364
- C:\Users\Admin\AppData\Local\Temp\is-CLQFE.tmp\e24537cc5cc2a0c3d2b0a436225bcb9f_JaffaCakes118.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-CLQFE.tmp\e24537cc5cc2a0c3d2b0a436225bcb9f_JaffaCakes118.tmp" /SL5="$5014E,3303661,121344,C:\Users\Admin\AppData\Local\Temp\e24537cc5cc2a0c3d2b0a436225bcb9f_JaffaCakes118.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:1916
- - C:\Program Files (x86)\LetsSee!\smcphost.exe
    "C:\Program Files (x86)\LetsSee!\smcphost.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:1156
  - - C:\Program Files (x86)\LetsSee!\smcphost.exe
      "C:\Program Files (x86)\LetsSee!\smcphost.exe"
      4⤵
      Executes dropped EXE
      PID:1592
- - C:\Program Files (x86)\LetsSee!\YTLoader.exe
    "C:\Program Files (x86)\LetsSee!\YTLoader.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Checks processor information in registry
    - Enumerates system info in registry
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2684
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2684 -s 1180
      4⤵
      Loads dropped DLL
      Program crash
      PID:1816

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Program Files (x86)\LetsSee!\YTLoader.exe

Filesize
3.0MB

MD5
c53d2de8becdaf58caba89a297455c65

SHA1
c60da079393025e63475683375e0a045cefa3473

SHA256
7d6eb1a70a0fc72adbcf03c05283b40e1ff656d655dbacf4e20fd6d635d46272

SHA512
a189cba278167f104ae0b27432b5c9a6153b2d8c3d0b6db82d5b71db7d23b9f0226519cc816ba0f5c360f9b029b0bef1636ab41f4ad742808824334e30f65878

Download Submit
\Program Files (x86)\LetsSee!\smcphost.exe

Filesize
152KB

MD5
61dfa5e2f9fcfc20ed85958aa57f604f

SHA1
dfef7530c2e0e6ac7ba6aaae9a32bf891ce36e23

SHA256
c1e37638c7f2d94ab6dce9fa53bfe1ef80f5ea318e01cceee36a88959dd9ee1a

SHA512
f6c250173391bf9666179a83b6792737a2fb3d0a7bc6f93f7bdc3166c009e38fa080c7aa95487b8e7c77a986a788ec39824c2701692caf59bd122e7e09dbd6d2

Download Submit
\Users\Admin\AppData\Local\Temp\is-CLQFE.tmp\e24537cc5cc2a0c3d2b0a436225bcb9f_JaffaCakes118.tmp

Filesize
1.1MB

MD5
34acc2bdb45a9c436181426828c4cb49

SHA1
5adaa1ac822e6128b8d4b59a54d19901880452ae

SHA256
9c81817acd4982632d8c7f1df3898fca1477577738184265d735f49fc5480f07

SHA512
134ff4022571efd46f7a62e99b857ebe834e9916c786345908010f9e1fb90be226b740ddee16ae9290fe45c86be7238c4555e422abe66a461d11545e19734beb

Download Submit
\Users\Admin\AppData\Local\Temp\nst69AC.tmp\System.dll

Filesize
11KB

MD5
2ae993a2ffec0c137eb51c8832691bcb

SHA1
98e0b37b7c14890f8a599f35678af5e9435906e1

SHA256
681382f3134de5c6272a49dd13651c8c201b89c247b471191496e7335702fa59

SHA512
2501371eb09c01746119305ba080f3b8c41e64535ff09cee4f51322530366d0bd5322ea5290a466356598027e6cda8ab360caef62dcaf560d630742e2dd9bcd9

Download Submit
memory/1592-39-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1592-41-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1592-71-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1916-11-0x0000000000400000-0x000000000052E000-memory.dmp

Filesize
1.2MB

Download
memory/1916-27-0x0000000000400000-0x000000000052E000-memory.dmp

Filesize
1.2MB

Download
memory/1916-8-0x0000000000400000-0x000000000052E000-memory.dmp

Filesize
1.2MB

Download
memory/1916-64-0x0000000000400000-0x000000000052E000-memory.dmp

Filesize
1.2MB

Download
memory/2364-10-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2364-2-0x0000000000401000-0x0000000000412000-memory.dmp

Filesize
68KB

Download
memory/2364-65-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2364-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2684-49-0x00000000052E0000-0x000000000573A000-memory.dmp

Filesize
4.4MB

Download
memory/2684-52-0x00000000002E0000-0x00000000002EA000-memory.dmp

Filesize
40KB

Download
memory/2684-51-0x00000000002D0000-0x00000000002DA000-memory.dmp

Filesize
40KB

Download
memory/2684-50-0x00000000001E0000-0x00000000001F0000-memory.dmp

Filesize
64KB

Download
memory/2684-56-0x0000000000470000-0x0000000000478000-memory.dmp

Filesize
32KB

Download
memory/2684-55-0x0000000000460000-0x000000000046E000-memory.dmp

Filesize
56KB

Download
memory/2684-58-0x00000000006F0000-0x00000000006F8000-memory.dmp

Filesize
32KB

Download
memory/2684-57-0x0000000000540000-0x0000000000548000-memory.dmp

Filesize
32KB

Download
memory/2684-60-0x0000000000720000-0x0000000000728000-memory.dmp

Filesize
32KB

Download
memory/2684-61-0x0000000000730000-0x0000000000738000-memory.dmp

Filesize
32KB

Download
memory/2684-59-0x0000000000700000-0x0000000000708000-memory.dmp

Filesize
32KB

Download
memory/2684-54-0x0000000000350000-0x0000000000358000-memory.dmp

Filesize
32KB

Download
memory/2684-53-0x0000000000340000-0x000000000034A000-memory.dmp

Filesize
40KB

Download
memory/2684-48-0x00000000001A0000-0x00000000001AA000-memory.dmp

Filesize
40KB

Download
memory/2684-47-0x0000000001020000-0x0000000001328000-memory.dmp

Filesize
3.0MB

Download