ramnit | fbfd677c0d09fe28c0933cdce9f503d02ba474b9198fc3977971f9e0fb2f00e3

General

Target

JaffaCakes118_6607bec622b3ec7c13395e5846c10399.dll
Size

380KB
MD5

6607bec622b3ec7c13395e5846c10399
SHA1

26623e9f4c09f3c41c0f32032fb3e8b393cdb18b
SHA256

fbfd677c0d09fe28c0933cdce9f503d02ba474b9198fc3977971f9e0fb2f00e3
SHA512

1822cbd3cc5a5851d8ecfe994f4e4e85a4f25d7ab94e3391882ea861fd723984393d70a05260aebf4b7de460f887e43bc15a2029219c01363ab594327cc44404
SSDEEP

6144:84y8gOl29x2QpFc87KWMeWpCddo7uaOiRRUJ1g+HlfLzgAU9oF3:hy8g5pnhk2o7un5J1VHxfgDyF3

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 3 IoCs

pid	Process
1388	rundll32mgr.exe
2148	rundll32mgrmgr.exe
1208	rundll32mgrmgrmgr.exe

Loads dropped DLL 12 IoCs

pid	Process
1896	rundll32.exe
1896	rundll32.exe
1388	rundll32mgr.exe
1388	rundll32mgr.exe
1388	rundll32mgr.exe
1388	rundll32mgr.exe
2148	rundll32mgrmgr.exe
2148	rundll32mgrmgr.exe
2148	rundll32mgrmgr.exe
2148	rundll32mgrmgr.exe
1208	rundll32mgrmgrmgr.exe
1208	rundll32mgrmgrmgr.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\rundll32mgr.exe	rundll32.exe
File created	C:\Windows\SysWOW64\rundll32mgrmgr.exe	rundll32mgr.exe
File created	C:\Windows\SysWOW64\rundll32mgrmgrmgr.exe	rundll32mgrmgr.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1388-22-0x0000000000400000-0x0000000000475000-memory.dmp	upx
behavioral1/memory/2148-50-0x0000000000400000-0x000000000045D000-memory.dmp	upx
behavioral1/memory/1208-49-0x0000000000400000-0x0000000000444000-memory.dmp	upx
behavioral1/memory/2148-41-0x0000000000400000-0x000000000045D000-memory.dmp	upx
behavioral1/memory/1388-37-0x0000000000400000-0x0000000000475000-memory.dmp	upx
behavioral1/memory/1208-58-0x0000000000400000-0x0000000000444000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 4 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	rundll32mgrmgrmgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32mgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32mgrmgr.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2264 wrote to memory of 1896	2264	rundll32.exe	30
PID 2264 wrote to memory of 1896	2264	rundll32.exe	30
PID 2264 wrote to memory of 1896	2264	rundll32.exe	30
PID 2264 wrote to memory of 1896	2264	rundll32.exe	30
PID 2264 wrote to memory of 1896	2264	rundll32.exe	30
PID 2264 wrote to memory of 1896	2264	rundll32.exe	30
PID 2264 wrote to memory of 1896	2264	rundll32.exe	30
PID 1896 wrote to memory of 1388	1896	rundll32.exe	31
PID 1896 wrote to memory of 1388	1896	rundll32.exe	31
PID 1896 wrote to memory of 1388	1896	rundll32.exe	31
PID 1896 wrote to memory of 1388	1896	rundll32.exe	31
PID 1388 wrote to memory of 2148	1388	rundll32mgr.exe	32
PID 1388 wrote to memory of 2148	1388	rundll32mgr.exe	32
PID 1388 wrote to memory of 2148	1388	rundll32mgr.exe	32
PID 1388 wrote to memory of 2148	1388	rundll32mgr.exe	32
PID 2148 wrote to memory of 1208	2148	rundll32mgrmgr.exe	33
PID 2148 wrote to memory of 1208	2148	rundll32mgrmgr.exe	33
PID 2148 wrote to memory of 1208	2148	rundll32mgrmgr.exe	33
PID 2148 wrote to memory of 1208	2148	rundll32mgrmgr.exe	33

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6607bec622b3ec7c13395e5846c10399.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2264
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6607bec622b3ec7c13395e5846c10399.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1896
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1388
  - - C:\Windows\SysWOW64\rundll32mgrmgr.exe
      C:\Windows\SysWOW64\rundll32mgrmgr.exe
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Drops file in System32 directory
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2148
    - - C:\Windows\SysWOW64\rundll32mgrmgrmgr.exe
        
        C:\Windows\SysWOW64\rundll32mgrmgrmgr.exe
        5⤵
        Executes dropped EXE
        Loads dropped DLL
        System Location Discovery: System Language Discovery
        
        PID:1208

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
289KB

MD5
d07edbbae9a308d8651654640f6cd7f9

SHA1
c4374cf595579be79e330f631c3c1916eeec03dc

SHA256
f4d649051332e6ae71b07bc430008b80940d6b5941a804a45d3a0e55aba43057

SHA512
08b77c8b567a018a17b00c141a8551aa0e6879df70c7c76c29214846824e75ca9120d042545a1ba64e031958e5f51ddf60589eb265c5b0607826dfde1458af70

Download Submit
C:\Windows\SysWOW64\rundll32mgrmgrmgr.exe

Filesize
94KB

MD5
8b5f2036288762602f2916929b1ab9d8

SHA1
351a0157960c3b009a9814a6e8b7f788ba798988

SHA256
55751df54d8d54e5bb8edab83bd57fd599b2e9aa313233d6aa084cde167e6951

SHA512
41a45bd5ff492cf2a01ad156f763854b1d5371d1a41cee4cad977c4ff25a561c1b3fbb067463e2b7278ac6878af139ff7fd695bed1f5883516a70031e9758bc1

Download Submit
\Users\Admin\AppData\Local\Temp\~TMCA51.tmp

Filesize
1.2MB

MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

Download Submit
\Users\Admin\AppData\Local\Temp\~TMCA52.tmp

Filesize
1.1MB

MD5
9b98d47916ead4f69ef51b56b0c2323c

SHA1
290a80b4ded0efc0fd00816f373fcea81a521330

SHA256
96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

SHA512
68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

Download Submit
\Windows\SysWOW64\rundll32mgrmgr.exe

Filesize
191KB

MD5
fa0191c6ae7da8f0b4d86e96dc650fa8

SHA1
3e8d50738555bb0c6bae8f63ea76dc1534ae07c7

SHA256
43fa6d485c7834067e5d9cc223b902b2ed629494dd7d19528ee093a180608fae

SHA512
6a9469c3fe620e93afdb2d040e011f249bddd603584d56836565de9b6c4ad0f3bc28471c5c33793a066d97b1272351b4e13fc84fa666b9d4d29ffe8101e7ae64

Download Submit
memory/1208-49-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1208-58-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1388-21-0x0000000000230000-0x00000000002A5000-memory.dmp

Filesize
468KB

Download
memory/1388-37-0x0000000000400000-0x0000000000475000-memory.dmp

Filesize
468KB

Download
memory/1388-59-0x0000000000400000-0x0000000000475000-memory.dmp

Filesize
468KB

Download
memory/1388-22-0x0000000000400000-0x0000000000475000-memory.dmp

Filesize
468KB

Download
memory/1388-23-0x0000000000230000-0x000000000028D000-memory.dmp

Filesize
372KB

Download
memory/1388-18-0x0000000000230000-0x000000000028D000-memory.dmp

Filesize
372KB

Download
memory/1896-17-0x0000000000730000-0x00000000007A5000-memory.dmp

Filesize
468KB

Download
memory/1896-7-0x0000000010000000-0x0000000010060000-memory.dmp

Filesize
384KB

Download
memory/1896-60-0x0000000010000000-0x0000000010060000-memory.dmp

Filesize
384KB

Download
memory/2148-41-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2148-40-0x00000000001B0000-0x00000000001F4000-memory.dmp

Filesize
272KB

Download
memory/2148-39-0x00000000001B0000-0x00000000001F4000-memory.dmp

Filesize
272KB

Download
memory/2148-50-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2148-19-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download

Analysis

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