ramnit | 3b074ad0ebfd81e4576cbda89f3cd87933405c0bc09749beefd60f1d2c2724cd

General

Target

02369756db7e590e691ec30172db99b8_JaffaCakes118.dll
Size

429KB
MD5

02369756db7e590e691ec30172db99b8
SHA1

2a476f251b24f73785df57d6c27749cfc57249dd
SHA256

3b074ad0ebfd81e4576cbda89f3cd87933405c0bc09749beefd60f1d2c2724cd
SHA512

df48d7e544c1b61cc7c1eba58c9be7407c9cbdb08a5a70fbf9b708045a7bfee8e861c9e722e363c3eacf41f955ee03ad4e6572c746b0197964fbcd8855b00f97
SSDEEP

6144:k0IEu0/l7rUdoqWMvjcw3sWSAoITM+NPUHFWnu/2Yrq2OnDVyoSEjybpl:V79qXvjRc5AoIY+NPUlWn72ODVTSu2l

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
2788	rundll32mgr.exe

Loads dropped DLL 4 IoCs

pid	Process
2736	rundll32.exe
2736	rundll32.exe
2788	rundll32mgr.exe
2788	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/2788-16-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/2788-22-0x0000000000400000-0x0000000000442000-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 2668 wrote to memory of 2736	2668	rundll32.exe	30
PID 2668 wrote to memory of 2736	2668	rundll32.exe	30
PID 2668 wrote to memory of 2736	2668	rundll32.exe	30
PID 2668 wrote to memory of 2736	2668	rundll32.exe	30
PID 2668 wrote to memory of 2736	2668	rundll32.exe	30
PID 2668 wrote to memory of 2736	2668	rundll32.exe	30
PID 2668 wrote to memory of 2736	2668	rundll32.exe	30
PID 2736 wrote to memory of 2788	2736	rundll32.exe	31
PID 2736 wrote to memory of 2788	2736	rundll32.exe	31
PID 2736 wrote to memory of 2788	2736	rundll32.exe	31
PID 2736 wrote to memory of 2788	2736	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\02369756db7e590e691ec30172db99b8_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2668
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\02369756db7e590e691ec30172db99b8_JaffaCakes118.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2736
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:2788

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\~TM5580.tmp

Filesize
1.2MB

MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

Download Submit
\Users\Admin\AppData\Local\Temp\~TM55AF.tmp

Filesize
1.1MB

MD5
9b98d47916ead4f69ef51b56b0c2323c

SHA1
290a80b4ded0efc0fd00816f373fcea81a521330

SHA256
96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

SHA512
68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
94KB

MD5
5c8b2f1499f748bc9175df521ccfb94d

SHA1
1586cdfdf987d3d10cd85b142f7020f8e656b693

SHA256
1a37e324b3de62bf0fdd1209f5cc286b399f22b5ed4cecc19a59183ba626d9b0

SHA512
c72561bd4b22f8f36c9aa0df33f1d8c4f9197f80fe8a4c1566d9a62409dc415492d689d6628fb50d96d94652b4ae6295c2314924ce04de8cbb0c433fc7797d9b

Download Submit
memory/2736-3-0x0000000010000000-0x0000000010072000-memory.dmp

Filesize
456KB

Download
memory/2736-6-0x00000000002A0000-0x00000000002E2000-memory.dmp

Filesize
264KB

Download
memory/2736-1-0x0000000010000000-0x0000000010072000-memory.dmp

Filesize
456KB

Download
memory/2736-0-0x0000000010000000-0x0000000010072000-memory.dmp

Filesize
456KB

Download
memory/2736-12-0x00000000002A0000-0x00000000002E2000-memory.dmp

Filesize
264KB

Download
memory/2788-13-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2788-15-0x0000000000330000-0x0000000000372000-memory.dmp

Filesize
264KB

Download
memory/2788-16-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2788-22-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download

Analysis

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