gozi_rm3 | 2d09b5537e31da780bfcdcfa8a7d13af8cf973e97bdccbb40ab7b70c8b4460e0

General

Target
2d09b5537e31da780bfcdcfa8a7d13af8cf973e97bdccbb40ab7b70c8b4460e0.exe
Size 908KB
Sample220524-1dnj7acfdp
SHA256 2d09b5537e31da780bfcdcfa8a7d13af8cf973e97bdccbb40ab7b70c8b4460e0
MD5 587267d4cc9b8cd9d42527c9494e889d
SHA1 515674d0041395048caca9eb0412463ce6c37971
SHA512 130b15c7b7d953617b445997e74ecdcee955e6b3b365635f0998aec5de94f4f3fc23e0f900848161e22f674a566b71c4d5d7309752a36889392513f6b8d6054b
MD5 SHA1 SHA512

Score

10^/10

gozi_rm3 202004141 banker trojan

Malware Config

Extracted

Family

gozi_rm3

Attributes

build
300854

Extracted

Family

gozi_rm3

Botnet

202004141

C2

https://devicelease.xyz

Attributes

build
300854
dga_base_url
constitution.org/usdeclar.txt
dga_crc
0x4eb7d2ca
dga_season
10
dga_tlds
com

ru

org
exe_type
loader
server_id
12
url_path
index.htm

rsa_pubkey.plain

serpent.plain

Signatures

Gozi RM3
A heavily modified version of Gozi using RM3 loader.
banker trojan gozi_rm3

Modifies Internet Explorer settings 1 TTPs 12 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{156B6242-DBBA-11EC-AC67-7ABC44B816A5} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000000000001000000ffffffffffffffffffffffffffffffff3e0000003e000000c4040000a3020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2592	iexplore.exe
2592	iexplore.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
2592	iexplore.exe
2592	iexplore.exe
5116	IEXPLORE.EXE
5116	IEXPLORE.EXE
2592	iexplore.exe
2592	iexplore.exe
1304	IEXPLORE.EXE
1304	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2592 wrote to memory of 5116	2592	iexplore.exe	86
PID 2592 wrote to memory of 5116	2592	iexplore.exe	86
PID 2592 wrote to memory of 5116	2592	iexplore.exe	86
PID 2592 wrote to memory of 1304	2592	iexplore.exe	89
PID 2592 wrote to memory of 1304	2592	iexplore.exe	89
PID 2592 wrote to memory of 1304	2592	iexplore.exe	89

C:\Users\Admin\AppData\Local\Temp\2d09b5537e31da780bfcdcfa8a7d13af8cf973e97bdccbb40ab7b70c8b4460e0.exe
"C:\Users\Admin\AppData\Local\Temp\2d09b5537e31da780bfcdcfa8a7d13af8cf973e97bdccbb40ab7b70c8b4460e0.exe"
1⤵
PID:2300

C:\Program Files (x86)\Internet Explorer\ielowutil.exe
"C:\Program Files (x86)\Internet Explorer\ielowutil.exe" -CLSID:{0002DF01-0000-0000-C000-000000000046} -Embedding
1⤵
PID:3620

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2592
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2592 CREDAT:17410 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:5116
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2592 CREDAT:82950 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:1304

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
1⤵
PID:3176
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3176 CREDAT:17410 /prefetch:2
  2⤵
  PID:4040

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
1⤵
PID:1336
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1336 CREDAT:17410 /prefetch:2
  2⤵
  PID:3652

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
1⤵
PID:588
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:588 CREDAT:17410 /prefetch:2
  2⤵
  PID:4452

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2300-131-0x0000000000400000-0x00000000004E5000-memory.dmp

Download

memory/2300-130-0x0000000000640000-0x000000000064C000-memory.dmp

Download

memory/2300-132-0x0000000000660000-0x0000000000671000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads