ramnit | c5a68e2b4c7e9960deae348969f078947dd8f70b2446869446f191c13c9cdf1b

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03/10/2024, 22:02

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General

Target

10ab72dc41b1e25d3481fa976e32646a_JaffaCakes118.dll
Size

272KB
MD5

10ab72dc41b1e25d3481fa976e32646a
SHA1

035ea4614924beb54203b33a140bf5056249e6b2
SHA256

c5a68e2b4c7e9960deae348969f078947dd8f70b2446869446f191c13c9cdf1b
SHA512

fb7bd7d5435ae5e2486ba06ae2969127e91dc3e16e281cb810e175600a45d577bfd83d521ba028538ea4028ca222b0fb5e2ea8d6128871563b4ab6e37f9f97ed
SSDEEP

6144:QKZp3KNjVGvY6Vr9blG+7T6vVifVSRGFyt9JFrWfg:QCxKNjcf91Jut9JFrW4

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
1588	rundll32mgr.exe

Loads dropped DLL 4 IoCs

pid	Process
2552	rundll32.exe
2552	rundll32.exe
1588	rundll32mgr.exe
1588	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/1588-12-0x0000000000400000-0x0000000000466000-memory.dmp	upx
behavioral1/memory/1588-19-0x0000000000400000-0x0000000000466000-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 2792 wrote to memory of 2552	2792	rundll32.exe	28
PID 2792 wrote to memory of 2552	2792	rundll32.exe	28
PID 2792 wrote to memory of 2552	2792	rundll32.exe	28
PID 2792 wrote to memory of 2552	2792	rundll32.exe	28
PID 2792 wrote to memory of 2552	2792	rundll32.exe	28
PID 2792 wrote to memory of 2552	2792	rundll32.exe	28
PID 2792 wrote to memory of 2552	2792	rundll32.exe	28
PID 2552 wrote to memory of 1588	2552	rundll32.exe	29
PID 2552 wrote to memory of 1588	2552	rundll32.exe	29
PID 2552 wrote to memory of 1588	2552	rundll32.exe	29
PID 2552 wrote to memory of 1588	2552	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\10ab72dc41b1e25d3481fa976e32646a_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2792
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\10ab72dc41b1e25d3481fa976e32646a_JaffaCakes118.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2552
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:1588

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\rundll32mgr.exe

Filesize
156KB

MD5
c8ba737481aa4e52d48b058dfbb961bb

SHA1
123f696d27604eed21a1b5d1811a95fc96650db5

SHA256
9490d1dbfd40542e0300bac29234fcb46847e0899dfb8b827c849b79c3662c25

SHA512
08cb23a1bd63c8600373e8e1377366faae7f78247bd03fcb4bb110291b5e0e6388df8e115d48be23f5ecc813b23a06a6537c5deb3be106504ae9d52d882049f2

Download Submit
\Users\Admin\AppData\Local\Temp\~TM5560.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
memory/1588-10-0x0000000000240000-0x00000000002A6000-memory.dmp

Filesize
408KB

Download
memory/1588-12-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1588-19-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2552-2-0x0000000010000000-0x0000000010046000-memory.dmp

Filesize
280KB

Download
memory/2552-1-0x0000000010000000-0x0000000010046000-memory.dmp

Filesize
280KB

Download