ramnit | 72d1cc7926998f60d453acb934bbc5b3b0b77f422c681ab96ffea8fae22f8139

General

Target

JaffaCakes118_78bd082b7a0a97a6373001f2126008b1.dll
Size

640KB
MD5

78bd082b7a0a97a6373001f2126008b1
SHA1

38b16a34d4bb7e64372cc0fd1c688003a0583de0
SHA256

72d1cc7926998f60d453acb934bbc5b3b0b77f422c681ab96ffea8fae22f8139
SHA512

2778e7c35ff7fa5a255e0ab498ebf71517fe866017dd29a788489675add81e28051d3a75669608a4bca4b28cafe5d9a5c85d9a87e34b7b26cefdcb1338146e0a
SSDEEP

12288:psQtvFayV47sBhOz/+IlMSbi0Na41VYuqNjTpbdoCDBz:aQtvFayV47Wh2WIJbioa41VYltTJDBz

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
2876	regsvr32mgr.exe

Loads dropped DLL 4 IoCs

pid	Process
1748	regsvr32.exe
1748	regsvr32.exe
2876	regsvr32mgr.exe
2876	regsvr32mgr.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\regsvr32mgr.exe	regsvr32.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2876-10-0x0000000000400000-0x0000000000429000-memory.dmp	upx
behavioral1/memory/2876-14-0x0000000000400000-0x0000000000429000-memory.dmp	upx
behavioral1/memory/2876-19-0x0000000000400000-0x0000000000429000-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	regsvr32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32mgr.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2592 wrote to memory of 1748	2592	regsvr32.exe	31
PID 2592 wrote to memory of 1748	2592	regsvr32.exe	31
PID 2592 wrote to memory of 1748	2592	regsvr32.exe	31
PID 2592 wrote to memory of 1748	2592	regsvr32.exe	31
PID 2592 wrote to memory of 1748	2592	regsvr32.exe	31
PID 2592 wrote to memory of 1748	2592	regsvr32.exe	31
PID 2592 wrote to memory of 1748	2592	regsvr32.exe	31
PID 1748 wrote to memory of 2876	1748	regsvr32.exe	32
PID 1748 wrote to memory of 2876	1748	regsvr32.exe	32
PID 1748 wrote to memory of 2876	1748	regsvr32.exe	32
PID 1748 wrote to memory of 2876	1748	regsvr32.exe	32

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_78bd082b7a0a97a6373001f2126008b1.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2592
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_78bd082b7a0a97a6373001f2126008b1.dll
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1748
- - C:\Windows\SysWOW64\regsvr32mgr.exe
    C:\Windows\SysWOW64\regsvr32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:2876

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\regsvr32mgr.exe

Filesize
94KB

MD5
1375ba09995afa93cbfa59cae04b3ab4

SHA1
0eb0934173dbf2bd10b0c2bce9fb2d414305bb19

SHA256
1a3c3ec1d2ee6bbaf9ab89b1247e9da435c729f6b539563d97eae84c8163918a

SHA512
ebea2ee04de3c5b6633891df4d734a6a6422c154bbbb43d00ce2964a6ba76b0fd58bb30b9849c3a2f1578259c5c33d39bcc013a5c9fb8e56fa13107eccd4020f

Download Submit
\Users\Admin\AppData\Local\Temp\~TMD5A7.tmp

Filesize
1.2MB

MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

Download Submit
\Users\Admin\AppData\Local\Temp\~TMD5E6.tmp

Filesize
1.1MB

MD5
9b98d47916ead4f69ef51b56b0c2323c

SHA1
290a80b4ded0efc0fd00816f373fcea81a521330

SHA256
96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

SHA512
68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

Download Submit
memory/1748-8-0x0000000010000000-0x00000000101B3000-memory.dmp

Filesize
1.7MB

Download
memory/1748-22-0x0000000010000000-0x00000000101B3000-memory.dmp

Filesize
1.7MB

Download
memory/2876-9-0x0000000000220000-0x0000000000249000-memory.dmp

Filesize
164KB

Download
memory/2876-10-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2876-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2876-19-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2876-21-0x0000000000220000-0x0000000000249000-memory.dmp

Filesize
164KB

Download

Analysis

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