ramnit | 47e4aad8859d006ec8bdc780969a9027160356d4d033ac6290e2a9ee062d477d

General

Target

JaffaCakes118_05889942a6ea6d6f931b12c5a4ed4993.dll
Size

307KB
MD5

05889942a6ea6d6f931b12c5a4ed4993
SHA1

7187dbb162a15a6ff43907756ee020096888cbd9
SHA256

47e4aad8859d006ec8bdc780969a9027160356d4d033ac6290e2a9ee062d477d
SHA512

92a711b3b9fc0e19221d6c8e298b27323a2123493665d839aa010e7fb08bc9121514bf0aa22e0e7d58699c15a9ec80fddf6264113f0bcaeae6c2a87163f042e6
SSDEEP

6144:UxGMku94XCzTurXzURlbDC9K69u2m+SqOWcsQQKiY4leDDGoggH/VREG6j4Gm014:UxGCOXzURlbDC9K69u2m+SqOWcsQQKiQ

Score

10^/10

ramnit banker discovery spyware stealer trojan upx worm

Malware Config

Signatures

Ramnit
Ramnit is a versatile family that holds viruses, worms, and Trojans.
trojan spyware stealer worm banker ramnit
Ramnit family
ramnit

Executes dropped EXE 1 IoCs

pid	Process
2128	rundll32mgr.exe

Loads dropped DLL 4 IoCs

pid	Process
2976	rundll32.exe
2976	rundll32.exe
2128	rundll32mgr.exe
2128	rundll32mgr.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\rundll32mgr.exe	rundll32.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2128-15-0x0000000000400000-0x000000000043B000-memory.dmp	upx
behavioral1/memory/2128-19-0x0000000000400000-0x000000000043B000-memory.dmp	upx
behavioral1/memory/2128-25-0x0000000000400000-0x000000000043B000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 2 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32mgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2100 wrote to memory of 2976	2100	rundll32.exe	30
PID 2100 wrote to memory of 2976	2100	rundll32.exe	30
PID 2100 wrote to memory of 2976	2100	rundll32.exe	30
PID 2100 wrote to memory of 2976	2100	rundll32.exe	30
PID 2100 wrote to memory of 2976	2100	rundll32.exe	30
PID 2100 wrote to memory of 2976	2100	rundll32.exe	30
PID 2100 wrote to memory of 2976	2100	rundll32.exe	30
PID 2976 wrote to memory of 2128	2976	rundll32.exe	31
PID 2976 wrote to memory of 2128	2976	rundll32.exe	31
PID 2976 wrote to memory of 2128	2976	rundll32.exe	31
PID 2976 wrote to memory of 2128	2976	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_05889942a6ea6d6f931b12c5a4ed4993.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2100
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_05889942a6ea6d6f931b12c5a4ed4993.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2976
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:2128

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\~TM85A4.tmp

Filesize
1.2MB

MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

Download Submit
\Users\Admin\AppData\Local\Temp\~TM85E3.tmp

Filesize
1.1MB

MD5
9b98d47916ead4f69ef51b56b0c2323c

SHA1
290a80b4ded0efc0fd00816f373fcea81a521330

SHA256
96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

SHA512
68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
94KB

MD5
c9c4a336475a11e54749da86bdcf4a10

SHA1
37d4bdddfce9b9e3b14b9480bbacfbf5842690d8

SHA256
ee2ff34f4632ff1bc66c5ca5a89b6ad630eda15976120652dc4d4ed399df1cc1

SHA512
55f290d69bd092a221ef5e333d3b7ad1bfc654ded73d47f869a5cf2b8f5db638716d5681e019f717e0590a3b5a4bb96b01bded98336f7677be18de4886cdd982

Download Submit
memory/2128-26-0x0000000000270000-0x00000000002AB000-memory.dmp

Filesize
236KB

Download
memory/2128-12-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/2128-25-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/2128-19-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/2128-14-0x0000000000270000-0x00000000002AB000-memory.dmp

Filesize
236KB

Download
memory/2128-15-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/2976-10-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/2976-13-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/2976-8-0x0000000010000000-0x0000000010054000-memory.dmp

Filesize
336KB

Download
memory/2976-9-0x0000000010000000-0x0000000010054000-memory.dmp

Filesize
336KB

Download
memory/2976-1-0x0000000010000000-0x0000000010054000-memory.dmp

Filesize
336KB

Download

Analysis

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