gozi | 2140eb8fb75c67eb1a7ab305c07dd6bb1bc97fafda4b6632e5e7a58bb077f497

General

Target

7d62e1b94f471c3d0dc01af8ef1070f2_JaffaCakes118.exe
Size

412KB
MD5

7d62e1b94f471c3d0dc01af8ef1070f2
SHA1

e49e8ba2aa87edf578ce603fc186b89e5f8ddfc3
SHA256

2140eb8fb75c67eb1a7ab305c07dd6bb1bc97fafda4b6632e5e7a58bb077f497
SHA512

8e953a842749bfebd81bb0785b733d5b3330fa4b265eecf0f01422d2d661ce6b7808f617aae5dcc908f3853bc5b74baa86537f7d5860f331f3a4e9bbef0ac59b
SSDEEP

6144:2rKd/9yO8EJKdRWWyU/PgJoK01tDWUej3dc9YJTVK1GHzbAW0tOpOZibXPU/gC9Z:zdl7iutsClIqSYhjKT7x/++U0Zdd

Score

10^/10

gozi banker discovery isfb spyware stealer trojan upx

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
smtp.gmail.com
Port:
587
Username:
[email protected]
Password:
l2mymom#

Extracted

Family

gozi

Signatures

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

Detected Nirsoft tools 4 IoCs

Free utilities often used by attackers which can steal passwords, product keys, etc.

Processes:

resource	yara_rule
behavioral1/memory/2804-19-0x0000000000400000-0x0000000000425000-memory.dmp	Nirsoft
behavioral1/memory/2820-26-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral1/memory/2820-28-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral1/memory/2800-39-0x0000000000400000-0x000000000043D000-memory.dmp	Nirsoft

Executes dropped EXE 4 IoCs

Processes:

Java Update.exeWindows Defender.exeMicrosoft_Update.exewinlogon.exe

pid process

2804 Java Update.exe
2820 Windows Defender.exe
2800 Microsoft_Update.exe
836 winlogon.exe
Loads dropped DLL 6 IoCs

Processes:

Java Update.exeMicrosoft_Update.exe

pid process

2804 Java Update.exe
2804 Java Update.exe
2804 Java Update.exe
2800 Microsoft_Update.exe
2800 Microsoft_Update.exe
2800 Microsoft_Update.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

pid	process
2804	Java Update.exe
2820	Windows Defender.exe
2800	Microsoft_Update.exe
836	winlogon.exe

pid	process
2804	Java Update.exe
2804	Java Update.exe
2804	Java Update.exe
2800	Microsoft_Update.exe
2800	Microsoft_Update.exe
2800	Microsoft_Update.exe

UPX packed file 8 IoCs

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

upx

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\Java Update.exe	upx
behavioral1/memory/2804-11-0x0000000000400000-0x0000000000425000-memory.dmp	upx
behavioral1/memory/2804-19-0x0000000000400000-0x0000000000425000-memory.dmp	upx
C:\Users\Admin\AppData\Local\Temp\Windows Defender.exe	upx
behavioral1/memory/2820-26-0x0000000000400000-0x000000000041B000-memory.dmp	upx
behavioral1/memory/2820-28-0x0000000000400000-0x000000000041B000-memory.dmp	upx
C:\Users\Admin\AppData\Local\Temp\Microsoft_Update.exe	upx
behavioral1/memory/2800-39-0x0000000000400000-0x000000000043D000-memory.dmp	upx

Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

2 whatismyip.com

flow	ioc
2	whatismyip.com

Drops file in System32 directory 10 IoCs

Processes:

7d62e1b94f471c3d0dc01af8ef1070f2_JaffaCakes118.exe

description	ioc	process
File created	C:\WINDOWS\System32\explorer\Decrypt.txt	7d62e1b94f471c3d0dc01af8ef1070f2_JaffaCakes118.exe
File created	C:\WINDOWS\system32\explorer\melt.txt	7d62e1b94f471c3d0dc01af8ef1070f2_JaffaCakes118.exe
File opened for modification	C:\WINDOWS\system32\explorer\pic\Img%.jpeg	7d62e1b94f471c3d0dc01af8ef1070f2_JaffaCakes118.exe
File created	C:\WINDOWS\system32\explorer\winlogon.exe.exe	7d62e1b94f471c3d0dc01af8ef1070f2_JaffaCakes118.exe
File opened for modification	C:\WINDOWS\system32\explorer\winlogon.exe.exe	7d62e1b94f471c3d0dc01af8ef1070f2_JaffaCakes118.exe
File created	C:\WINDOWS\System32\explorer\cd.txt	7d62e1b94f471c3d0dc01af8ef1070f2_JaffaCakes118.exe
File opened for modification	C:\WINDOWS\system32\explorer\melt.txt	7d62e1b94f471c3d0dc01af8ef1070f2_JaffaCakes118.exe
File created	C:\Windows\System32\explorer\Windows Update.exe	7d62e1b94f471c3d0dc01af8ef1070f2_JaffaCakes118.exe
File opened for modification	C:\WINDOWS\system32\explorer\winlogon.exe	7d62e1b94f471c3d0dc01af8ef1070f2_JaffaCakes118.exe
File opened for modification	C:\WINDOWS\system32\explorer	7d62e1b94f471c3d0dc01af8ef1070f2_JaffaCakes118.exe

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

Processes:

Java Update.exeWindows Defender.exeMicrosoft_Update.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Java Update.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Windows Defender.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Microsoft_Update.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

7d62e1b94f471c3d0dc01af8ef1070f2_JaffaCakes118.exewinlogon.exe

pid	process
560	7d62e1b94f471c3d0dc01af8ef1070f2_JaffaCakes118.exe
560	7d62e1b94f471c3d0dc01af8ef1070f2_JaffaCakes118.exe
560	7d62e1b94f471c3d0dc01af8ef1070f2_JaffaCakes118.exe
836	winlogon.exe
836	winlogon.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

7d62e1b94f471c3d0dc01af8ef1070f2_JaffaCakes118.exeJava Update.exeWindows Defender.exewinlogon.exe

description	pid	process
Token: SeDebugPrivilege	560	7d62e1b94f471c3d0dc01af8ef1070f2_JaffaCakes118.exe
Token: 33	560	7d62e1b94f471c3d0dc01af8ef1070f2_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	560	7d62e1b94f471c3d0dc01af8ef1070f2_JaffaCakes118.exe
Token: SeDebugPrivilege	2804	Java Update.exe
Token: SeDebugPrivilege	2820	Windows Defender.exe
Token: SeRestorePrivilege	2820	Windows Defender.exe
Token: SeBackupPrivilege	2820	Windows Defender.exe
Token: SeDebugPrivilege	836	winlogon.exe
Token: 33	836	winlogon.exe
Token: SeIncBasePriorityPrivilege	836	winlogon.exe
Token: 33	836	winlogon.exe
Token: SeIncBasePriorityPrivilege	836	winlogon.exe
Token: 33	836	winlogon.exe
Token: SeIncBasePriorityPrivilege	836	winlogon.exe
Token: 33	836	winlogon.exe
Token: SeIncBasePriorityPrivilege	836	winlogon.exe
Token: 33	836	winlogon.exe
Token: SeIncBasePriorityPrivilege	836	winlogon.exe
Token: 33	836	winlogon.exe
Token: SeIncBasePriorityPrivilege	836	winlogon.exe
Token: 33	836	winlogon.exe
Token: SeIncBasePriorityPrivilege	836	winlogon.exe
Token: 33	836	winlogon.exe
Token: SeIncBasePriorityPrivilege	836	winlogon.exe
Token: 33	836	winlogon.exe
Token: SeIncBasePriorityPrivilege	836	winlogon.exe
Token: 33	836	winlogon.exe
Token: SeIncBasePriorityPrivilege	836	winlogon.exe
Token: 33	836	winlogon.exe
Token: SeIncBasePriorityPrivilege	836	winlogon.exe
Token: 33	836	winlogon.exe
Token: SeIncBasePriorityPrivilege	836	winlogon.exe
Token: 33	836	winlogon.exe
Token: SeIncBasePriorityPrivilege	836	winlogon.exe
Token: 33	836	winlogon.exe
Token: SeIncBasePriorityPrivilege	836	winlogon.exe
Token: 33	836	winlogon.exe
Token: SeIncBasePriorityPrivilege	836	winlogon.exe
Token: 33	836	winlogon.exe
Token: SeIncBasePriorityPrivilege	836	winlogon.exe
Token: 33	836	winlogon.exe
Token: SeIncBasePriorityPrivilege	836	winlogon.exe
Token: 33	836	winlogon.exe
Token: SeIncBasePriorityPrivilege	836	winlogon.exe
Token: 33	836	winlogon.exe
Token: SeIncBasePriorityPrivilege	836	winlogon.exe
Token: 33	836	winlogon.exe
Token: SeIncBasePriorityPrivilege	836	winlogon.exe
Token: 33	836	winlogon.exe
Token: SeIncBasePriorityPrivilege	836	winlogon.exe
Token: 33	836	winlogon.exe
Token: SeIncBasePriorityPrivilege	836	winlogon.exe
Token: 33	836	winlogon.exe
Token: SeIncBasePriorityPrivilege	836	winlogon.exe
Token: 33	836	winlogon.exe
Token: SeIncBasePriorityPrivilege	836	winlogon.exe
Token: 33	836	winlogon.exe
Token: SeIncBasePriorityPrivilege	836	winlogon.exe
Token: 33	836	winlogon.exe
Token: SeIncBasePriorityPrivilege	836	winlogon.exe
Token: 33	836	winlogon.exe
Token: SeIncBasePriorityPrivilege	836	winlogon.exe
Token: 33	836	winlogon.exe
Token: SeIncBasePriorityPrivilege	836	winlogon.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

7d62e1b94f471c3d0dc01af8ef1070f2_JaffaCakes118.exe

description	pid	process	target process
PID 560 wrote to memory of 2804	560	7d62e1b94f471c3d0dc01af8ef1070f2_JaffaCakes118.exe	Java Update.exe
PID 560 wrote to memory of 2804	560	7d62e1b94f471c3d0dc01af8ef1070f2_JaffaCakes118.exe	Java Update.exe
PID 560 wrote to memory of 2804	560	7d62e1b94f471c3d0dc01af8ef1070f2_JaffaCakes118.exe	Java Update.exe
PID 560 wrote to memory of 2804	560	7d62e1b94f471c3d0dc01af8ef1070f2_JaffaCakes118.exe	Java Update.exe
PID 560 wrote to memory of 2804	560	7d62e1b94f471c3d0dc01af8ef1070f2_JaffaCakes118.exe	Java Update.exe
PID 560 wrote to memory of 2804	560	7d62e1b94f471c3d0dc01af8ef1070f2_JaffaCakes118.exe	Java Update.exe
PID 560 wrote to memory of 2804	560	7d62e1b94f471c3d0dc01af8ef1070f2_JaffaCakes118.exe	Java Update.exe
PID 560 wrote to memory of 2820	560	7d62e1b94f471c3d0dc01af8ef1070f2_JaffaCakes118.exe	Windows Defender.exe
PID 560 wrote to memory of 2820	560	7d62e1b94f471c3d0dc01af8ef1070f2_JaffaCakes118.exe	Windows Defender.exe
PID 560 wrote to memory of 2820	560	7d62e1b94f471c3d0dc01af8ef1070f2_JaffaCakes118.exe	Windows Defender.exe
PID 560 wrote to memory of 2820	560	7d62e1b94f471c3d0dc01af8ef1070f2_JaffaCakes118.exe	Windows Defender.exe
PID 560 wrote to memory of 2800	560	7d62e1b94f471c3d0dc01af8ef1070f2_JaffaCakes118.exe	Microsoft_Update.exe
PID 560 wrote to memory of 2800	560	7d62e1b94f471c3d0dc01af8ef1070f2_JaffaCakes118.exe	Microsoft_Update.exe
PID 560 wrote to memory of 2800	560	7d62e1b94f471c3d0dc01af8ef1070f2_JaffaCakes118.exe	Microsoft_Update.exe
PID 560 wrote to memory of 2800	560	7d62e1b94f471c3d0dc01af8ef1070f2_JaffaCakes118.exe	Microsoft_Update.exe
PID 560 wrote to memory of 2800	560	7d62e1b94f471c3d0dc01af8ef1070f2_JaffaCakes118.exe	Microsoft_Update.exe
PID 560 wrote to memory of 2800	560	7d62e1b94f471c3d0dc01af8ef1070f2_JaffaCakes118.exe	Microsoft_Update.exe
PID 560 wrote to memory of 2800	560	7d62e1b94f471c3d0dc01af8ef1070f2_JaffaCakes118.exe	Microsoft_Update.exe
PID 560 wrote to memory of 836	560	7d62e1b94f471c3d0dc01af8ef1070f2_JaffaCakes118.exe	winlogon.exe
PID 560 wrote to memory of 836	560	7d62e1b94f471c3d0dc01af8ef1070f2_JaffaCakes118.exe	winlogon.exe
PID 560 wrote to memory of 836	560	7d62e1b94f471c3d0dc01af8ef1070f2_JaffaCakes118.exe	winlogon.exe

C:\Users\Admin\AppData\Local\Temp\7d62e1b94f471c3d0dc01af8ef1070f2_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\7d62e1b94f471c3d0dc01af8ef1070f2_JaffaCakes118.exe"
1⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:560

C:\Users\Admin\AppData\Local\Temp\Java Update.exe
"C:\Users\Admin\AppData\Local\Temp\Java Update.exe" /stext C:\Users\Admin\AppData\Local\Temp\mess.txt
2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2804

C:\Users\Admin\AppData\Local\Temp\Windows Defender.exe
"C:\Users\Admin\AppData\Local\Temp\Windows Defender.exe" /stext C:\Users\Admin\AppData\Local\Temp\iepv.txt
2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2820

C:\Users\Admin\AppData\Local\Temp\Microsoft_Update.exe
C:\Users\Admin\AppData\Local\Temp\Microsoft_Update.exe /stext C:\Users\Admin\AppData\Local\Temp\ChromePass.txt
2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:2800

C:\WINDOWS\system32\explorer\winlogon.exe
C:\WINDOWS\system32\explorer\winlogon.exe
2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:836

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

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\ChromePass.txt

Filesize
2B

MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

Download Submit
C:\Users\Admin\AppData\Local\Temp\Java Update.exe

Filesize
63KB

MD5
fbb93d4c91453b06414d6973152d904e

SHA1
4624232c5450e7e9e7ba1f2113a07f8800dc5b5f

SHA256
8898b138a3f238fa985992a9d0e48f6b5865dd2cc35e08b83fa326260c510ffe

SHA512
4ed926d230af576a945bdd4d9b2d4001e8036abbcf1ef9a35669823d9420b6d95b426d80384a6fd022165c1fc2485fda0e28193b99b301927236928ddfcac6f7

Download Submit
C:\Users\Admin\AppData\Local\Temp\Microsoft_Update.exe

Filesize
125KB

MD5
9b3b1c0db965166319469b2afa6c4f0c

SHA1
9f1e65a3056dff872949329c4e5e70c007cc5621

SHA256
dbfa10a7deeb6d1ac8fd95ffeb23b87adc58e6388e522812fabe7f710e3cdd89

SHA512
c11512599b83fa1875a67915a7e7454512ed8300a0a47c16692ebc1f526755c39c795fe9721dd97d417bfcb29f9e4c1f3283cf4c426af6571b3996005f7e4f5e

Download Submit
C:\Users\Admin\AppData\Local\Temp\Windows Defender.exe

Filesize
42KB

MD5
28c110b8d0ad095131c8d06043678086

SHA1
c684cf321e890e0e766a97609a4cde866156d6c5

SHA256
dbc2216d5f31f5218e940e3d802998dee90eeb69af69cbeb063c69c6a5a3f1e1

SHA512
065e043b76b0e1163e73f4a1c257bae793ae9b46bff1951956c2174ef91deb2528730da77aab76b9e7246d705c3b8c1d23f05dc3b161cacabf3e52d0f563c922

Download Submit
C:\WINDOWS\system32\explorer\winlogon.exe

Filesize
412KB

MD5
7d62e1b94f471c3d0dc01af8ef1070f2

SHA1
e49e8ba2aa87edf578ce603fc186b89e5f8ddfc3

SHA256
2140eb8fb75c67eb1a7ab305c07dd6bb1bc97fafda4b6632e5e7a58bb077f497

SHA512
8e953a842749bfebd81bb0785b733d5b3330fa4b265eecf0f01422d2d661ce6b7808f617aae5dcc908f3853bc5b74baa86537f7d5860f331f3a4e9bbef0ac59b

Download Submit
memory/560-44-0x000007FEF5E50000-0x000007FEF67ED000-memory.dmp

Filesize
9.6MB

Download
memory/560-3-0x000007FEF5E50000-0x000007FEF67ED000-memory.dmp

Filesize
9.6MB

Download
memory/560-62-0x000007FEF5E50000-0x000007FEF67ED000-memory.dmp

Filesize
9.6MB

Download
memory/560-5-0x0000000002040000-0x0000000002080000-memory.dmp

Filesize
256KB

Download
memory/560-4-0x000007FEF5E50000-0x000007FEF67ED000-memory.dmp

Filesize
9.6MB

Download
memory/560-1-0x000007FEF5E50000-0x000007FEF67ED000-memory.dmp

Filesize
9.6MB

Download
memory/560-42-0x000007FEF5E50000-0x000007FEF67ED000-memory.dmp

Filesize
9.6MB

Download
memory/560-0-0x000007FEF610E000-0x000007FEF610F000-memory.dmp

Filesize
4KB

Download
memory/560-43-0x000007FEF610E000-0x000007FEF610F000-memory.dmp

Filesize
4KB

Download
memory/560-41-0x000007FEF5E50000-0x000007FEF67ED000-memory.dmp

Filesize
9.6MB

Download
memory/560-2-0x000007FEF5E50000-0x000007FEF67ED000-memory.dmp

Filesize
9.6MB

Download
memory/2800-39-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2804-16-0x0000000000240000-0x0000000000265000-memory.dmp

Filesize
148KB

Download
memory/2804-19-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/2804-15-0x0000000000240000-0x0000000000265000-memory.dmp

Filesize
148KB

Download
memory/2804-17-0x0000000000240000-0x0000000000265000-memory.dmp

Filesize
148KB

Download
memory/2804-11-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/2820-28-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2820-26-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads