limerat | ec78bffd668366762d3d8e235eb5dccfa4274dd6d7fbaa562f2f990607bdc0b0

General

Target

ec78bffd668366762d3d8e235eb5dccfa4274dd6d7fbaa562f2f990607bdc0b0.exe
Size

411KB
MD5

02526e35a0e7661b56ac0dd4a131e1a0
SHA1

d0e69e20734bb5f40da5e7fa7aa6bc2ae4cfca9a
SHA256

ec78bffd668366762d3d8e235eb5dccfa4274dd6d7fbaa562f2f990607bdc0b0
SHA512

8a73707c4ee5325224d235f4de22b0cea3d5674210f74c0b8aad1a1bc9c8006da6f3e9181a7c1816ffe2f4351552c1a3c846efcdcff3c3413b0ce166311125fa
SSDEEP

6144:5P0PdMgZGW1kmxTrHJy+HhjG0NxO2hoQtGUZ4mb5jjsBI+jcO6x:N8uEkmnJH9VHO25FZ4G2Ksl6

Score

10^/10

limerat rat

Malware Config

Extracted

Family

limerat

Attributes

aes_key
K4L4M4rIK4L4M4rI18531337!!?
antivm
true
c2_url
https://pastebin.com/raw/iN0vMtL8
delay
3
download_payload
false
install
false
install_name
Wservices.exe
main_folder
Temp
pin_spread
false
sub_folder
\
usb_spread
false

Signatures

LimeRAT
Simple yet powerful RAT for Windows machines written in .NET.
rat limerat

Executes dropped EXE 2 IoCs

pid	Process
1712	Xngonkweqxnfbz.exe
2236	Qwzaqwjfp.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	ec78bffd668366762d3d8e235eb5dccfa4274dd6d7fbaa562f2f990607bdc0b0.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	Xngonkweqxnfbz.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	Qwzaqwjfp.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	Qwzaqwjfp.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1712	Xngonkweqxnfbz.exe
1712	Xngonkweqxnfbz.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1712	Xngonkweqxnfbz.exe
Token: SeDebugPrivilege	2236	Qwzaqwjfp.exe
Token: SeDebugPrivilege	2236	Qwzaqwjfp.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1816 wrote to memory of 1712	1816	ec78bffd668366762d3d8e235eb5dccfa4274dd6d7fbaa562f2f990607bdc0b0.exe	89
PID 1816 wrote to memory of 1712	1816	ec78bffd668366762d3d8e235eb5dccfa4274dd6d7fbaa562f2f990607bdc0b0.exe	89
PID 1816 wrote to memory of 2236	1816	ec78bffd668366762d3d8e235eb5dccfa4274dd6d7fbaa562f2f990607bdc0b0.exe	91
PID 1816 wrote to memory of 2236	1816	ec78bffd668366762d3d8e235eb5dccfa4274dd6d7fbaa562f2f990607bdc0b0.exe	91
PID 1816 wrote to memory of 2236	1816	ec78bffd668366762d3d8e235eb5dccfa4274dd6d7fbaa562f2f990607bdc0b0.exe	91

C:\Users\Admin\AppData\Local\Temp\ec78bffd668366762d3d8e235eb5dccfa4274dd6d7fbaa562f2f990607bdc0b0.exe
"C:\Users\Admin\AppData\Local\Temp\ec78bffd668366762d3d8e235eb5dccfa4274dd6d7fbaa562f2f990607bdc0b0.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1816
- C:\Users\Admin\AppData\Local\Temp\Xngonkweqxnfbz.exe
  "C:\Users\Admin\AppData\Local\Temp\Xngonkweqxnfbz.exe"
  2⤵
  - Executes dropped EXE
  - Checks computer location settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1712
- C:\Users\Admin\AppData\Local\Temp\Qwzaqwjfp.exe
  "C:\Users\Admin\AppData\Local\Temp\Qwzaqwjfp.exe"
  2⤵
  - Executes dropped EXE
  - Maps connected drives based on registry
  - Suspicious use of AdjustPrivilegeToken
  PID:2236

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Web Service

1

T1102

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\Qwzaqwjfp.exe

Filesize
28KB

MD5
e3efc5b3fe65f4bce90d5d06422100de

SHA1
d6da344c313e531e9fa60e7b5670d875e4be441d

SHA256
2706962fc354eff30672cd8ac13d78e98529231283bce26746955bfe207a5d59

SHA512
c6cb2e2b6eed821ed7ce253f55d124870f16a3bdea6d750508cf6d485a2f11e1fb7e6bc3d94134d40dc459528c769067d6223241c690253dff22cd332dd1621b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Qwzaqwjfp.exe

Filesize
28KB

MD5
e3efc5b3fe65f4bce90d5d06422100de

SHA1
d6da344c313e531e9fa60e7b5670d875e4be441d

SHA256
2706962fc354eff30672cd8ac13d78e98529231283bce26746955bfe207a5d59

SHA512
c6cb2e2b6eed821ed7ce253f55d124870f16a3bdea6d750508cf6d485a2f11e1fb7e6bc3d94134d40dc459528c769067d6223241c690253dff22cd332dd1621b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Xngonkweqxnfbz.exe

Filesize
435KB

MD5
f7722b62b4014e0c50adfa9d60cafa1c

SHA1
f31c17e0453f27be85730e316840f11522ddec3e

SHA256
ccc8538dd62f20999717e2bbab58a18973b938968d699154df9233698a899efa

SHA512
7fe6a32f1a69ffdae5edc450a1fcbaed5eac805cb43abd86c5c54de59219f801c71d2a0c816ac182a5bfa568196463a351a86ac8d782423cab1e15648e5af8e4

Download Submit
memory/1712-144-0x0000024BFB370000-0x0000024BFB3B4000-memory.dmp

Filesize
272KB

Download
memory/1712-146-0x0000024BFBE90000-0x0000024BFBF06000-memory.dmp

Filesize
472KB

Download
memory/1712-137-0x0000000000000000-mapping.dmp

Download
memory/1712-148-0x00007FF81B2B0000-0x00007FF81BD71000-memory.dmp

Filesize
10.8MB

Download
memory/1712-143-0x0000024BFAEB0000-0x0000024BFAED2000-memory.dmp

Filesize
136KB

Download
memory/1712-145-0x00007FF81B2B0000-0x00007FF81BD71000-memory.dmp

Filesize
10.8MB

Download
memory/1816-135-0x0000000000A20000-0x0000000000AB2000-memory.dmp

Filesize
584KB

Download
memory/1816-136-0x0000000000B00000-0x0000000000B0A000-memory.dmp

Filesize
40KB

Download
memory/1816-134-0x0000000005530000-0x0000000005AD4000-memory.dmp

Filesize
5.6MB

Download
memory/1816-133-0x0000000004B90000-0x0000000004C2C000-memory.dmp

Filesize
624KB

Download
memory/1816-132-0x0000000000270000-0x00000000002DE000-memory.dmp

Filesize
440KB

Download
memory/2236-139-0x0000000000000000-mapping.dmp

Download
memory/2236-147-0x0000000004950000-0x00000000049B6000-memory.dmp

Filesize
408KB

Download
memory/2236-142-0x0000000000050000-0x000000000005C000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads