b2341f8711f02bc45a19aeb11ff9300c2e39c66d93359db9214e23c1f21a8809

General

Target

b2341f8711f02bc45a19aeb11ff9300c2e39c66d93359db9214e23c1f21a8809.exe
Size

1.3MB
MD5

bd7dc67b579e36ae5ea60a417a996387
SHA1

0b6118df3ed2ce77d5c2efae28357a6722a5bf0e
SHA256

b2341f8711f02bc45a19aeb11ff9300c2e39c66d93359db9214e23c1f21a8809
SHA512

ebd24d4c6b2672c22edbbe4fdd0cd6fc672873a044817286af2119146a9ce05cb2bb566e8f1baecccd7e00766f315eacc3814d5c808a6a576ee611dd49a9abf9
SSDEEP

24576:YLeTtjJFtHrK3oJyfXFatVUXkSX/RL5wV+Y2UYNis/ftt:YLYkYiXFlXkSX/R917px/

Score

7^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 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	b2341f8711f02bc45a19aeb11ff9300c2e39c66d93359db9214e23c1f21a8809.exe

Loads dropped DLL 3 IoCs

pid	Process
1992	rundll32.exe
1992	rundll32.exe
808	rundll32.exe

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

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings	b2341f8711f02bc45a19aeb11ff9300c2e39c66d93359db9214e23c1f21a8809.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2984 wrote to memory of 4792	2984	b2341f8711f02bc45a19aeb11ff9300c2e39c66d93359db9214e23c1f21a8809.exe	80
PID 2984 wrote to memory of 4792	2984	b2341f8711f02bc45a19aeb11ff9300c2e39c66d93359db9214e23c1f21a8809.exe	80
PID 2984 wrote to memory of 4792	2984	b2341f8711f02bc45a19aeb11ff9300c2e39c66d93359db9214e23c1f21a8809.exe	80
PID 4792 wrote to memory of 1992	4792	control.exe	82
PID 4792 wrote to memory of 1992	4792	control.exe	82
PID 4792 wrote to memory of 1992	4792	control.exe	82
PID 1992 wrote to memory of 4592	1992	rundll32.exe	83
PID 1992 wrote to memory of 4592	1992	rundll32.exe	83
PID 4592 wrote to memory of 808	4592	RunDll32.exe	84
PID 4592 wrote to memory of 808	4592	RunDll32.exe	84
PID 4592 wrote to memory of 808	4592	RunDll32.exe	84

C:\Users\Admin\AppData\Local\Temp\b2341f8711f02bc45a19aeb11ff9300c2e39c66d93359db9214e23c1f21a8809.exe
"C:\Users\Admin\AppData\Local\Temp\b2341f8711f02bc45a19aeb11ff9300c2e39c66d93359db9214e23c1f21a8809.exe"
1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2984
- C:\Windows\SysWOW64\control.exe
  "C:\Windows\System32\control.exe" "C:\Users\Admin\AppData\Local\Temp\zZ4BoKY.CPl",
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4792
- - C:\Windows\SysWOW64\rundll32.exe
    "C:\Windows\system32\rundll32.exe" Shell32.dll,Control_RunDLL "C:\Users\Admin\AppData\Local\Temp\zZ4BoKY.CPl",
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:1992
  - - C:\Windows\system32\RunDll32.exe
      C:\Windows\system32\RunDll32.exe Shell32.dll,Control_RunDLL "C:\Users\Admin\AppData\Local\Temp\zZ4BoKY.CPl",
      4⤵
      Suspicious use of WriteProcessMemory
      PID:4592
    - - C:\Windows\SysWOW64\rundll32.exe
        
        "C:\Windows\SysWOW64\rundll32.exe" "C:\Windows\SysWOW64\shell32.dll",#44 "C:\Users\Admin\AppData\Local\Temp\zZ4BoKY.CPl",
        5⤵
        Loads dropped DLL
        
        PID:808

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\zZ4BoKY.CPl

Filesize
1.3MB

MD5
f3026d47d67687b7f1f4240043c5b8fa

SHA1
9e29e07d30cce592b452b9753487ad9007666550

SHA256
c0f77e2f76bcf073fe0d2ade8cb13cd64222318b760a92e246afc186350f479c

SHA512
df6a97204b6536f89fdfd08a09966b0a04d771f6f4711a15d3c19afd1e25eb20beb64b5acfbbb3cef1b081265122a9366420c4904e494d1b8918eb59de702141

Download Submit
C:\Users\Admin\AppData\Local\Temp\zz4BokY.cpl

Filesize
1.3MB

MD5
f3026d47d67687b7f1f4240043c5b8fa

SHA1
9e29e07d30cce592b452b9753487ad9007666550

SHA256
c0f77e2f76bcf073fe0d2ade8cb13cd64222318b760a92e246afc186350f479c

SHA512
df6a97204b6536f89fdfd08a09966b0a04d771f6f4711a15d3c19afd1e25eb20beb64b5acfbbb3cef1b081265122a9366420c4904e494d1b8918eb59de702141

Download Submit
C:\Users\Admin\AppData\Local\Temp\zz4BokY.cpl

Filesize
1.3MB

MD5
f3026d47d67687b7f1f4240043c5b8fa

SHA1
9e29e07d30cce592b452b9753487ad9007666550

SHA256
c0f77e2f76bcf073fe0d2ade8cb13cd64222318b760a92e246afc186350f479c

SHA512
df6a97204b6536f89fdfd08a09966b0a04d771f6f4711a15d3c19afd1e25eb20beb64b5acfbbb3cef1b081265122a9366420c4904e494d1b8918eb59de702141

Download Submit
C:\Users\Admin\AppData\Local\Temp\zz4BokY.cpl

Filesize
1.3MB

MD5
f3026d47d67687b7f1f4240043c5b8fa

SHA1
9e29e07d30cce592b452b9753487ad9007666550

SHA256
c0f77e2f76bcf073fe0d2ade8cb13cd64222318b760a92e246afc186350f479c

SHA512
df6a97204b6536f89fdfd08a09966b0a04d771f6f4711a15d3c19afd1e25eb20beb64b5acfbbb3cef1b081265122a9366420c4904e494d1b8918eb59de702141

Download Submit
memory/808-149-0x0000000000400000-0x0000000000549000-memory.dmp

Filesize
1.3MB

Download
memory/808-155-0x0000000003250000-0x0000000003322000-memory.dmp

Filesize
840KB

Download
memory/808-153-0x0000000003160000-0x0000000003249000-memory.dmp

Filesize
932KB

Download
memory/808-152-0x0000000001330000-0x0000000001336000-memory.dmp

Filesize
24KB

Download
memory/1992-142-0x0000000002930000-0x0000000002A19000-memory.dmp

Filesize
932KB

Download
memory/1992-143-0x0000000002A20000-0x0000000002AF2000-memory.dmp

Filesize
840KB

Download
memory/1992-144-0x0000000002A20000-0x0000000002AF2000-memory.dmp

Filesize
840KB

Download
memory/1992-137-0x00000000025E0000-0x0000000002729000-memory.dmp

Filesize
1.3MB

Download
memory/1992-141-0x0000000000930000-0x0000000000936000-memory.dmp

Filesize
24KB

Download
memory/1992-138-0x00000000025E0000-0x0000000002729000-memory.dmp

Filesize
1.3MB

Download

Analysis

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