ramnit | b1da42e09f4e4e6219f0c4413fceeef373c6da58ad1c5acfd6d7ef8debbca389

General

Target

107825b7bd56d3fd7ced2683a5f8b25f_JaffaCakes118.dll
Size

307KB
MD5

107825b7bd56d3fd7ced2683a5f8b25f
SHA1

48644ff0a43635b7a353baf9a37a5c818e7db3da
SHA256

b1da42e09f4e4e6219f0c4413fceeef373c6da58ad1c5acfd6d7ef8debbca389
SHA512

fd79adc95f4f62b790b4e14e7bf981dea34695ebfbc429ddceaa6129070de5cb265ee2c4cb58d542f8079dd55998d92c08d4a5804ce5bb3d58597bb1ccc6ac15
SSDEEP

6144:jxGMku94XCzTurXzURlbDC9K69u2m+SqOWcsQQKiY4leDDGoggH/VREG6j4Gm01D:jxGCOXzURlbDC9K69u2m+SqOWcsQQKiL

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

Executes dropped EXE 1 IoCs

pid	Process
2640	rundll32mgr.exe

Loads dropped DLL 4 IoCs

pid	Process
2196	rundll32.exe
2196	rundll32.exe
2640	rundll32mgr.exe
2640	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/2640-14-0x0000000000400000-0x000000000043B000-memory.dmp	upx
behavioral1/memory/2640-18-0x0000000000400000-0x000000000043B000-memory.dmp	upx
behavioral1/memory/2640-25-0x0000000000400000-0x000000000043B000-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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32mgr.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2964 wrote to memory of 2196	2964	rundll32.exe	30
PID 2964 wrote to memory of 2196	2964	rundll32.exe	30
PID 2964 wrote to memory of 2196	2964	rundll32.exe	30
PID 2964 wrote to memory of 2196	2964	rundll32.exe	30
PID 2964 wrote to memory of 2196	2964	rundll32.exe	30
PID 2964 wrote to memory of 2196	2964	rundll32.exe	30
PID 2964 wrote to memory of 2196	2964	rundll32.exe	30
PID 2196 wrote to memory of 2640	2196	rundll32.exe	31
PID 2196 wrote to memory of 2640	2196	rundll32.exe	31
PID 2196 wrote to memory of 2640	2196	rundll32.exe	31
PID 2196 wrote to memory of 2640	2196	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\107825b7bd56d3fd7ced2683a5f8b25f_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2964
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\107825b7bd56d3fd7ced2683a5f8b25f_JaffaCakes118.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2196
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:2640

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

C:\Windows\SysWOW64\rundll32mgr.exe

Filesize
94KB

MD5
c9c4a336475a11e54749da86bdcf4a10

SHA1
37d4bdddfce9b9e3b14b9480bbacfbf5842690d8

SHA256
ee2ff34f4632ff1bc66c5ca5a89b6ad630eda15976120652dc4d4ed399df1cc1

SHA512
55f290d69bd092a221ef5e333d3b7ad1bfc654ded73d47f869a5cf2b8f5db638716d5681e019f717e0590a3b5a4bb96b01bded98336f7677be18de4886cdd982

Download Submit
\Users\Admin\AppData\Local\Temp\~TM3553.tmp

Filesize
1.2MB

MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

Download Submit
\Users\Admin\AppData\Local\Temp\~TM35A2.tmp

Filesize
1.1MB

MD5
9b98d47916ead4f69ef51b56b0c2323c

SHA1
290a80b4ded0efc0fd00816f373fcea81a521330

SHA256
96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

SHA512
68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

Download Submit
memory/2196-1-0x0000000010000000-0x0000000010054000-memory.dmp

Filesize
336KB

Download
memory/2196-10-0x0000000000690000-0x00000000006CB000-memory.dmp

Filesize
236KB

Download
memory/2196-7-0x0000000000690000-0x00000000006CB000-memory.dmp

Filesize
236KB

Download
memory/2196-2-0x0000000010000000-0x0000000010054000-memory.dmp

Filesize
336KB

Download
memory/2640-13-0x00000000003A0000-0x00000000003DB000-memory.dmp

Filesize
236KB

Download
memory/2640-14-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/2640-18-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/2640-12-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/2640-23-0x00000000003A0000-0x00000000003DB000-memory.dmp

Filesize
236KB

Download
memory/2640-25-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download

Analysis

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