gozi | cb215014f6bf97e1e48c57964e2f66b26f5aa24dc91760c06618a74b1feee118

Analysis

max time kernel
151s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
19-04-2024 05:12

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General

Target

f99497128b2306c71806f8290cdcd0b3_JaffaCakes118.exe
Size

14KB
MD5

f99497128b2306c71806f8290cdcd0b3
SHA1

e2ac260d6329fc4f20c343aca73023de88a523e0
SHA256

cb215014f6bf97e1e48c57964e2f66b26f5aa24dc91760c06618a74b1feee118
SHA512

67f1dcbfb7091d0ab7b55812241d909b6c1ea4b50698fe6b789b5df99f9cd0aa193e167c36cb6e7013c13b74b69c8d37117d68cea4e88802a2e6c4d0c80a762c
SSDEEP

192:zawE9e6BACdbQstv7U8vAzN7aVD1xWdj7cEhvM5I21PN1PYIm4bT6aImYpTMmP2:zd/wbp8z4Kd/cEhvMfaIhqoCTJAzM

Score

10^/10

gozi banker isfb persistence trojan upx

Malware Config

Extracted

Family

gozi

Signatures

Gozi
Gozi is a well-known and widely distributed banking trojan.
banker trojan gozi
Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112
Executes dropped EXE 1 IoCs

Processes:

mssetdk.exe

pid process

2116 mssetdk.exe

pid	process
2116	mssetdk.exe

UPX packed file 4 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4444-0-0x0000000000400000-0x0000000000411000-memory.dmp	upx
C:\Windows\SysWOW64\mssetdk.exe	upx
behavioral2/memory/4444-6-0x0000000000400000-0x0000000000411000-memory.dmp	upx
behavioral2/memory/2116-7-0x0000000000400000-0x0000000000411000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

Processes:

f99497128b2306c71806f8290cdcd0b3_JaffaCakes118.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\mssetdk.exe	f99497128b2306c71806f8290cdcd0b3_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\mssetd.dll	f99497128b2306c71806f8290cdcd0b3_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\mssetdk.exe	f99497128b2306c71806f8290cdcd0b3_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

f99497128b2306c71806f8290cdcd0b3_JaffaCakes118.exe

description	pid	process	target process
PID 4444 wrote to memory of 2116	4444	f99497128b2306c71806f8290cdcd0b3_JaffaCakes118.exe	mssetdk.exe
PID 4444 wrote to memory of 2116	4444	f99497128b2306c71806f8290cdcd0b3_JaffaCakes118.exe	mssetdk.exe
PID 4444 wrote to memory of 2116	4444	f99497128b2306c71806f8290cdcd0b3_JaffaCakes118.exe	mssetdk.exe
PID 4444 wrote to memory of 2416	4444	f99497128b2306c71806f8290cdcd0b3_JaffaCakes118.exe	cmd.exe
PID 4444 wrote to memory of 2416	4444	f99497128b2306c71806f8290cdcd0b3_JaffaCakes118.exe	cmd.exe
PID 4444 wrote to memory of 2416	4444	f99497128b2306c71806f8290cdcd0b3_JaffaCakes118.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\f99497128b2306c71806f8290cdcd0b3_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f99497128b2306c71806f8290cdcd0b3_JaffaCakes118.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:4444

C:\Windows\SysWOW64\mssetdk.exe
C:\Windows\system32\mssetdk.exe ˜‰
2⤵
- Executes dropped EXE
PID:2116

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\f99497128b2306c71806f8290cdcd0b3_JaffaCakes118.exe.bat
2⤵
PID:2416

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3792 --field-trial-handle=2356,i,13261194862334667799,7441241219475888176,262144 --variations-seed-version /prefetch:8
1⤵
PID:2468

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\f99497128b2306c71806f8290cdcd0b3_JaffaCakes118.exe.bat

Filesize
210B

MD5
7eea3232886337474b3341afb43f6a41

SHA1
586e8d6c6979f85fb203c364a0fe3a5a0aaf8b34

SHA256
111026c7b035ff127cbb455b04af04e35226e0942b9617761c7aec97cf8a82bb

SHA512
667487f267c76699beafc5d46ac9222d75ea2b851bf5f294d98226ad5dbf0f27d8e08bb25c43674fb00324dafe8d9e4645500d0a3f3839e93effe5f96b3f70b6

Download Submit
C:\Windows\SysWOW64\mssetdk.exe

Filesize
14KB

MD5
f99497128b2306c71806f8290cdcd0b3

SHA1
e2ac260d6329fc4f20c343aca73023de88a523e0

SHA256
cb215014f6bf97e1e48c57964e2f66b26f5aa24dc91760c06618a74b1feee118

SHA512
67f1dcbfb7091d0ab7b55812241d909b6c1ea4b50698fe6b789b5df99f9cd0aa193e167c36cb6e7013c13b74b69c8d37117d68cea4e88802a2e6c4d0c80a762c

Download Submit
memory/2116-7-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/4444-0-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/4444-6-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download