gozi_rm3 | b8a5668379a1243ed7343ccfaa62fc47e6fee8e699256d854c4a54751475710e

General

Target

b8a5668379a1243ed7343ccfaa62fc47e6fee8e699256d854c4a54751475710e.exe
Size

908KB
MD5

bd1a97b75535f712379629845b7d5216
SHA1

174060eaa511830ef534d4706b22fae11c274fcc
SHA256

b8a5668379a1243ed7343ccfaa62fc47e6fee8e699256d854c4a54751475710e
SHA512

83720eb7cfb13884ac8dcd799cbedf224e33d403972cce41d8aafda8446ccbe8006c3f7870abb820673cac42cf038829f1cd40a7a1a99c9e82e16c86641689e0

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

Processes:

iexplore.exeIEXPLORE.EXEIEXPLORE.EXE

description	ioc	process
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\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
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
Set value (int)	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{8EC90B70-DBBC-11EC-AC67-D2F448B606D1} = "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
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	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
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

iexplore.exe

pid process

2336 iexplore.exe
2336 iexplore.exe
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

iexplore.exeIEXPLORE.EXEIEXPLORE.EXE

pid process

2336 iexplore.exe
2336 iexplore.exe
4496 IEXPLORE.EXE
4496 IEXPLORE.EXE
2336 iexplore.exe
2336 iexplore.exe
2932 IEXPLORE.EXE
2932 IEXPLORE.EXE

pid	process
2336	iexplore.exe
2336	iexplore.exe

pid	process
2336	iexplore.exe
2336	iexplore.exe
4496	IEXPLORE.EXE
4496	IEXPLORE.EXE
2336	iexplore.exe
2336	iexplore.exe
2932	IEXPLORE.EXE
2932	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

iexplore.exe

description	pid	process	target process
PID 2336 wrote to memory of 4496	2336	iexplore.exe	IEXPLORE.EXE
PID 2336 wrote to memory of 4496	2336	iexplore.exe	IEXPLORE.EXE
PID 2336 wrote to memory of 4496	2336	iexplore.exe	IEXPLORE.EXE
PID 2336 wrote to memory of 2932	2336	iexplore.exe	IEXPLORE.EXE
PID 2336 wrote to memory of 2932	2336	iexplore.exe	IEXPLORE.EXE
PID 2336 wrote to memory of 2932	2336	iexplore.exe	IEXPLORE.EXE

C:\Users\Admin\AppData\Local\Temp\b8a5668379a1243ed7343ccfaa62fc47e6fee8e699256d854c4a54751475710e.exe
"C:\Users\Admin\AppData\Local\Temp\b8a5668379a1243ed7343ccfaa62fc47e6fee8e699256d854c4a54751475710e.exe"
1⤵
PID:2424

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:4040

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:2336

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2336 CREDAT:17410 /prefetch:2
2⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:4496

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2336 CREDAT:82950 /prefetch:2
2⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2932

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
1⤵
PID:2400

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2400 CREDAT:17410 /prefetch:2
2⤵
PID:3456

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
1⤵
PID:1324

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1324 CREDAT:17410 /prefetch:2
2⤵
PID:816

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
1⤵
PID:4168

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4168 CREDAT:17410 /prefetch:2
2⤵
PID:2040

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
1⤵
PID:844

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:844 CREDAT:17410 /prefetch:2
2⤵
PID:1808

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
1⤵
PID:4368

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4368 CREDAT:17410 /prefetch:2
2⤵
PID:3420

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/2424-131-0x0000000000400000-0x00000000004E5000-memory.dmp

Filesize
916KB

Download
memory/2424-130-0x0000000000680000-0x000000000068C000-memory.dmp

Filesize
48KB

Download
memory/2424-132-0x00000000006A0000-0x00000000006B1000-memory.dmp

Filesize
68KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads