ramnit | 9777aa581e47a650868f58617d3b9693cf1fe269202fe66fe58ebc39e9276695

General

Target

22e548e51e503a2413dd76d786eda4be774723cc305d155318a1e525c18a26a7.xll
Size

1.5MB
MD5

91a1f665769e60d18b69592799448780
SHA1

b7dfb6bb2381bfbf639965d0930a7b34e7cf83fa
SHA256

22e548e51e503a2413dd76d786eda4be774723cc305d155318a1e525c18a26a7
SHA512

5615f2c73e5e40363b817affcea41afd913347f76ad104f4e4acc3d45f207df7d2312e5834c6d88f423ff09051ed8ace1368ea465662c7374a7d3a3ba1926e95
SSDEEP

24576:Mvgy0ZQNOd69dmnX567paBvI7cO+4vVyACfoJQk2A4AhMg9p6w6ilfJW/:Ugcwdy1gBvY+4dqoqk2AigaHilfq

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
2852	EXCELmgr.exe

Loads dropped DLL 6 IoCs

pid	Process
2244	EXCEL.EXE
2244	EXCEL.EXE
2244	EXCEL.EXE
2244	EXCEL.EXE
2852	EXCELmgr.exe
2852	EXCELmgr.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2852-17-0x0000000000400000-0x0000000000432000-memory.dmp	upx
behavioral1/memory/2852-37-0x0000000000400000-0x0000000000432000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft Office\Office14\EXCELmgr.exe	EXCEL.EXE

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2804	2852	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	EXCELmgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EXCEL.EXE

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2244	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2244	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2244	EXCEL.EXE
2244	EXCEL.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2244	EXCEL.EXE
2244	EXCEL.EXE
2244	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2244 wrote to memory of 2852	2244	EXCEL.EXE	30
PID 2244 wrote to memory of 2852	2244	EXCEL.EXE	30
PID 2244 wrote to memory of 2852	2244	EXCEL.EXE	30
PID 2244 wrote to memory of 2852	2244	EXCEL.EXE	30

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\22e548e51e503a2413dd76d786eda4be774723cc305d155318a1e525c18a26a7.xll
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2244
- C:\Program Files (x86)\Microsoft Office\Office14\EXCELmgr.exe
  "C:\Program Files (x86)\Microsoft Office\Office14\EXCELmgr.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2852
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2852 -s 180
    3⤵
    - Program crash
    PID:2804

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

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:\Program Files (x86)\Microsoft Office\Office14\EXCELmgr.exe

Filesize
157KB

MD5
2ad7467eeceedd64b8bd4f6e04c3cd49

SHA1
d6c5d9878dc49ae9b531d61283609e207154a921

SHA256
2aab17b2f18dfb70cd737b27b1a438ad8878889070a6e025b3684483054f60c9

SHA512
7a647d4a8de90d11cd5afb82ace8354869af0893f28afcf9491d1d4de421315d9a394a5d3462d88c0eff6c5a7a4ed41897d8d0498b59b4b7428ddbb61786be2a

Download Submit
\Users\Admin\AppData\Local\Temp\22e548e51e503a2413dd76d786eda4be774723cc305d155318a1e525c18a26a7.xll

Filesize
1.5MB

MD5
91a1f665769e60d18b69592799448780

SHA1
b7dfb6bb2381bfbf639965d0930a7b34e7cf83fa

SHA256
22e548e51e503a2413dd76d786eda4be774723cc305d155318a1e525c18a26a7

SHA512
5615f2c73e5e40363b817affcea41afd913347f76ad104f4e4acc3d45f207df7d2312e5834c6d88f423ff09051ed8ace1368ea465662c7374a7d3a3ba1926e95

Download Submit
\Users\Admin\AppData\Local\Temp\~TME32E.tmp

Filesize
1.2MB

MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

Download Submit
\Users\Admin\AppData\Local\Temp\~TME561.tmp

Filesize
1.1MB

MD5
9b98d47916ead4f69ef51b56b0c2323c

SHA1
290a80b4ded0efc0fd00816f373fcea81a521330

SHA256
96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

SHA512
68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

Download Submit
memory/2244-23-0x0000000076040000-0x000000007619C000-memory.dmp

Filesize
1.4MB

Download
memory/2244-20-0x0000000076040000-0x000000007619C000-memory.dmp

Filesize
1.4MB

Download
memory/2244-7-0x000000006C970000-0x000000006CB03000-memory.dmp

Filesize
1.6MB

Download
memory/2244-41-0x0000000003B60000-0x0000000003B92000-memory.dmp

Filesize
200KB

Download
memory/2244-40-0x000000006C970000-0x000000006CB03000-memory.dmp

Filesize
1.6MB

Download
memory/2244-39-0x000000006CB10000-0x000000006CCA3000-memory.dmp

Filesize
1.6MB

Download
memory/2244-15-0x0000000003B60000-0x0000000003B92000-memory.dmp

Filesize
200KB

Download
memory/2244-22-0x0000000076040000-0x000000007619C000-memory.dmp

Filesize
1.4MB

Download
memory/2244-25-0x0000000076040000-0x000000007619C000-memory.dmp

Filesize
1.4MB

Download
memory/2244-24-0x0000000076040000-0x000000007619C000-memory.dmp

Filesize
1.4MB

Download
memory/2244-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2244-21-0x0000000076040000-0x000000007619C000-memory.dmp

Filesize
1.4MB

Download
memory/2244-2-0x000000006CB10000-0x000000006CCA3000-memory.dmp

Filesize
1.6MB

Download
memory/2244-6-0x000000006CB10000-0x000000006CCA3000-memory.dmp

Filesize
1.6MB

Download
memory/2244-34-0x000000007234D000-0x0000000072358000-memory.dmp

Filesize
44KB

Download
memory/2244-1-0x000000007234D000-0x0000000072358000-memory.dmp

Filesize
44KB

Download
memory/2852-29-0x00000000774EF000-0x00000000774F1000-memory.dmp

Filesize
8KB

Download
memory/2852-30-0x00000000774F0000-0x00000000774F1000-memory.dmp

Filesize
4KB

Download
memory/2852-31-0x00000000774F0000-0x00000000774F2000-memory.dmp

Filesize
8KB

Download
memory/2852-35-0x0000000076B94000-0x0000000076B95000-memory.dmp

Filesize
4KB

Download
memory/2852-36-0x0000000076B00000-0x0000000076C10000-memory.dmp

Filesize
1.1MB

Download
memory/2852-38-0x0000000076B00000-0x0000000076C10000-memory.dmp

Filesize
1.1MB

Download
memory/2852-37-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2852-16-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2852-17-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2852-18-0x00000000001B0000-0x00000000001E2000-memory.dmp

Filesize
200KB

Download

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