gozi_rm3 | b2d539f0a6b0ba2b2f1b0cbedecb295ed0b02520c8efa281bb4fef6ac63fb56a

General

Target

b2d539f0a6b0ba2b2f1b0cbedecb295ed0b02520c8efa281bb4fef6ac63fb56a.exe
Size

908KB
MD5

bf6239f4ae7969d2d236287e9ea69525
SHA1

53717e61a1622a84a397e8d77928a2545e7f56cf
SHA256

b2d539f0a6b0ba2b2f1b0cbedecb295ed0b02520c8efa281bb4fef6ac63fb56a
SHA512

d41e45f5b8afa5fb306fd96c601431ce2bb6760bcf2a66c7ad27063d77e95b39d161be98542d6dd4841c0be9968dd20643e80028aaad7794280583474a44e1d4

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\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\SearchScopes	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	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 (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
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\{E0FD415C-DBD0-11EC-AC67-F2EB97E7861D} = "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 (int)	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3152	iexplore.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3152	iexplore.exe
3152	iexplore.exe
4224	IEXPLORE.EXE
4224	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3152 wrote to memory of 4224	3152	iexplore.exe	86
PID 3152 wrote to memory of 4224	3152	iexplore.exe	86
PID 3152 wrote to memory of 4224	3152	iexplore.exe	86

C:\Users\Admin\AppData\Local\Temp\b2d539f0a6b0ba2b2f1b0cbedecb295ed0b02520c8efa281bb4fef6ac63fb56a.exe
"C:\Users\Admin\AppData\Local\Temp\b2d539f0a6b0ba2b2f1b0cbedecb295ed0b02520c8efa281bb4fef6ac63fb56a.exe"
1⤵
PID:740

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:2668

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:3152
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3152 CREDAT:17410 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:4224
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3152 CREDAT:82950 /prefetch:2
  2⤵
  PID:1068

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

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
471B

MD5
3c94b790a4d3d3813b9804b360811c02

SHA1
9b42bca99be723330c45b22abb0698f77ef8077a

SHA256
7bc88a561babff736195edc916e12556d4a870e9dc94e649adff7d6859468d93

SHA512
594410b019fde2552e456bf87934eab332c73d5a1c73c3fac27886bb2c8f2b2c174acb0fa5f67b40a4b41339cff713b239eab680c6dd7aab00aacaf8e38538b8

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
404B

MD5
883a2fcfe0329425614ad606c83254f2

SHA1
a330516697380a8b5cd74aa9db4b1afc5db7718b

SHA256
e169a2551e62fd14e0dbad6bba9fd100e5c0653cc5e8874fb47acbe702b7acbb

SHA512
6dfbe68bf5863f03b8095e41f7288852305cbac4c67ae141fbc4078c9fb7888e1c91467c4bcba44b652bfdabc1525467661b8cb5a315e8fa04e2838b45d2df5b

Download Submit
memory/740-131-0x0000000000400000-0x00000000004E5000-memory.dmp

Filesize
916KB

Download
memory/740-130-0x0000000002220000-0x000000000222C000-memory.dmp

Filesize
48KB

Download
memory/740-132-0x0000000002240000-0x0000000002251000-memory.dmp

Filesize
68KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads