ramnit | 16f18bdea5e203a5a637a3584c77dd7d055924cee6b61811cb733bba306bb325

General

Target

JaffaCakes118_1a9492f56e3429e271925cce52bf2f4f.dll
Size

248KB
MD5

1a9492f56e3429e271925cce52bf2f4f
SHA1

c718cb1abe07840efddc437ea4e585617c33805a
SHA256

16f18bdea5e203a5a637a3584c77dd7d055924cee6b61811cb733bba306bb325
SHA512

18b3317e925530fb97ce6886a86e1ba56ca0bb74058df0aae64110b09ad969fe7e26c07d745d07ce86f0cd4ebdd280eb96d3c9baebfd05591c58ddc1cb3bb477
SSDEEP

6144:BYD4f9UAwELp+NBOuABp/uwUISVL1gx2uj:GD4aAJ++uADYIKLGUuj

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
576	rundll32mgr.exe

Loads dropped DLL 4 IoCs

pid	Process
2248	rundll32.exe
2248	rundll32.exe
576	rundll32mgr.exe
576	rundll32mgr.exe

Drops file in System32 directory 1 IoCs

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

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/576-12-0x0000000000400000-0x000000000046B000-memory.dmp	upx
behavioral1/memory/576-20-0x0000000000400000-0x000000000046B000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2816	2248	WerFault.exe	30

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 15 IoCs

description	pid	Process	procid_target
PID 2368 wrote to memory of 2248	2368	rundll32.exe	30
PID 2368 wrote to memory of 2248	2368	rundll32.exe	30
PID 2368 wrote to memory of 2248	2368	rundll32.exe	30
PID 2368 wrote to memory of 2248	2368	rundll32.exe	30
PID 2368 wrote to memory of 2248	2368	rundll32.exe	30
PID 2368 wrote to memory of 2248	2368	rundll32.exe	30
PID 2368 wrote to memory of 2248	2368	rundll32.exe	30
PID 2248 wrote to memory of 576	2248	rundll32.exe	31
PID 2248 wrote to memory of 576	2248	rundll32.exe	31
PID 2248 wrote to memory of 576	2248	rundll32.exe	31
PID 2248 wrote to memory of 576	2248	rundll32.exe	31
PID 2248 wrote to memory of 2816	2248	rundll32.exe	32
PID 2248 wrote to memory of 2816	2248	rundll32.exe	32
PID 2248 wrote to memory of 2816	2248	rundll32.exe	32
PID 2248 wrote to memory of 2816	2248	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1a9492f56e3429e271925cce52bf2f4f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2368
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1a9492f56e3429e271925cce52bf2f4f.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2248
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:576
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2248 -s 224
    3⤵
    - Program crash
    PID:2816

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
166KB

MD5
e6f92a3c0193f5ac0933ceff45394c76

SHA1
eca049b60b27ae6439cfc8d3036784eba9987a9b

SHA256
5afb7d61c380f23251be0a712868915daa1237ecdc3ea6fb76e5c660d8b5da0a

SHA512
aa94f36ce656efaea4fafc287da0834d6d530dbc443d7595313ac677e53ecf8d4d2c98e0241640099b0dc1774b8302a5c9452efa6497b7ece0367739e73e0256

Download Submit
\Users\Admin\AppData\Local\Temp\~TM7ED1.tmp

Filesize
1.2MB

MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

Download Submit
\Users\Admin\AppData\Local\Temp\~TM7F3F.tmp

Filesize
1.1MB

MD5
9b98d47916ead4f69ef51b56b0c2323c

SHA1
290a80b4ded0efc0fd00816f373fcea81a521330

SHA256
96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

SHA512
68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

Download Submit
memory/576-11-0x0000000000260000-0x00000000002CB000-memory.dmp

Filesize
428KB

Download
memory/576-12-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/576-22-0x0000000000260000-0x00000000002CB000-memory.dmp

Filesize
428KB

Download
memory/576-20-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2248-1-0x0000000010000000-0x0000000010043000-memory.dmp

Filesize
268KB

Download
memory/2248-9-0x0000000010000000-0x0000000010043000-memory.dmp

Filesize
268KB

Download
memory/2248-8-0x0000000010000000-0x0000000010043000-memory.dmp

Filesize
268KB

Download
memory/2248-23-0x0000000010000000-0x0000000010043000-memory.dmp

Filesize
268KB

Download

Analysis

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