f4c5c0bd54c2f59b13053c3033c9bf8b2ce3844a0807c7d002b2ea818c8c4ac6

Analysis

max time kernel
268s
max time network
390s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
27-11-2022 02:08

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General

Target

f4c5c0bd54c2f59b13053c3033c9bf8b2ce3844a0807c7d002b2ea818c8c4ac6.exe
Size

171KB
MD5

5aec2a1b0e1b9343fc6bc12805b2caee
SHA1

38dafa221d0343374b89a76279693db45b126e9e
SHA256

f4c5c0bd54c2f59b13053c3033c9bf8b2ce3844a0807c7d002b2ea818c8c4ac6
SHA512

5b7b28312034fb282fdcb671998636e74df7138dd221a0ec12b3cd3f507fea896b60efeef4763bfb0a2ddfa591561e35ea5247d49b217cf4b2376bdaf8664103
SSDEEP

3072:Z4eYZ4+1JXJJXV+ut1sdZOZF0KWzsCi3ZhkP+YT6erSvy4rUhwRnw0auv:C5O8x+kS7kFpWzA3MWYT+vy4hw0a2

Score

8^/10

Malware Config

Signatures

Downloads MZ/PE file

Executes dropped EXE 1 IoCs

pid	Process
1308	KeLe2014Beta3.6.2Promote0326_20090195130.exe

Loads dropped DLL 7 IoCs

pid	Process
592	f4c5c0bd54c2f59b13053c3033c9bf8b2ce3844a0807c7d002b2ea818c8c4ac6.exe
592	f4c5c0bd54c2f59b13053c3033c9bf8b2ce3844a0807c7d002b2ea818c8c4ac6.exe
592	f4c5c0bd54c2f59b13053c3033c9bf8b2ce3844a0807c7d002b2ea818c8c4ac6.exe
592	f4c5c0bd54c2f59b13053c3033c9bf8b2ce3844a0807c7d002b2ea818c8c4ac6.exe
592	f4c5c0bd54c2f59b13053c3033c9bf8b2ce3844a0807c7d002b2ea818c8c4ac6.exe
592	f4c5c0bd54c2f59b13053c3033c9bf8b2ce3844a0807c7d002b2ea818c8c4ac6.exe
592	f4c5c0bd54c2f59b13053c3033c9bf8b2ce3844a0807c7d002b2ea818c8c4ac6.exe

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

System Information Discovery
T1082

NSIS installer 8 IoCs

installer

resource	yara_rule
behavioral1/files/0x0008000000012302-61.dat	nsis_installer_1
behavioral1/files/0x0008000000012302-61.dat	nsis_installer_2
behavioral1/files/0x0008000000012302-62.dat	nsis_installer_1
behavioral1/files/0x0008000000012302-62.dat	nsis_installer_2
behavioral1/files/0x0008000000012302-63.dat	nsis_installer_1
behavioral1/files/0x0008000000012302-63.dat	nsis_installer_2
behavioral1/files/0x0008000000012302-66.dat	nsis_installer_1
behavioral1/files/0x0008000000012302-66.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 592 wrote to memory of 1316	592	f4c5c0bd54c2f59b13053c3033c9bf8b2ce3844a0807c7d002b2ea818c8c4ac6.exe	30
PID 592 wrote to memory of 1316	592	f4c5c0bd54c2f59b13053c3033c9bf8b2ce3844a0807c7d002b2ea818c8c4ac6.exe	30
PID 592 wrote to memory of 1316	592	f4c5c0bd54c2f59b13053c3033c9bf8b2ce3844a0807c7d002b2ea818c8c4ac6.exe	30
PID 592 wrote to memory of 1316	592	f4c5c0bd54c2f59b13053c3033c9bf8b2ce3844a0807c7d002b2ea818c8c4ac6.exe	30
PID 592 wrote to memory of 1308	592	f4c5c0bd54c2f59b13053c3033c9bf8b2ce3844a0807c7d002b2ea818c8c4ac6.exe	32
PID 592 wrote to memory of 1308	592	f4c5c0bd54c2f59b13053c3033c9bf8b2ce3844a0807c7d002b2ea818c8c4ac6.exe	32
PID 592 wrote to memory of 1308	592	f4c5c0bd54c2f59b13053c3033c9bf8b2ce3844a0807c7d002b2ea818c8c4ac6.exe	32
PID 592 wrote to memory of 1308	592	f4c5c0bd54c2f59b13053c3033c9bf8b2ce3844a0807c7d002b2ea818c8c4ac6.exe	32

C:\Users\Admin\AppData\Local\Temp\f4c5c0bd54c2f59b13053c3033c9bf8b2ce3844a0807c7d002b2ea818c8c4ac6.exe
"C:\Users\Admin\AppData\Local\Temp\f4c5c0bd54c2f59b13053c3033c9bf8b2ce3844a0807c7d002b2ea818c8c4ac6.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:592
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /C copy /b "KeLe2014Beta3.6.2Promote0326_20090195130.exe" + "C:\Windows\Fonts\SIMSUN.TTC" "KeLe2014Beta3.6.2Promote0326_20090195130.exe"
  2⤵
  PID:1316
- C:\Users\Admin\AppData\Local\Temp\nsu825B.tmp\KeLe2014Beta3.6.2Promote0326_20090195130.exe
  KeLe2014Beta3.6.2Promote0326_20090195130.exe
  2⤵
  - Executes dropped EXE
  PID:1308

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsu825B.tmp\KeLe2014Beta3.6.2Promote0326_20090195130.exe

Filesize
20.3MB

MD5
f518e7992316cf2a060afeb646ab1287

SHA1
e4caef0a8a64fb4e763f975949d818ccc25eb0c5

SHA256
0b543b3c91fba0a046b240a5b5e3d47f9dc6c8bf120ec9d3938d3eecbfec48d8

SHA512
92d67787ec1c03c05a849ae5c3552cf4565574284b81c240c22c732e374064781b93e3de8adf2baefd33bf5e4842a22100a57a87078ecec0a4bf701c9665d5d5

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsu825B.tmp\KeLe2014Beta3.6.2Promote0326_20090195130.exe

Filesize
29.2MB

MD5
75236781b7e9630222fd637fdc8816b1

SHA1
d176f973d26c3fbc46572b14ab56db96137eb874

SHA256
7973892fe18222489b78d7fb067594d7ef6b92b0a2113c94129eef820b9366cd

SHA512
11a8c3f6c8a73b22b2e1effa61802de8e328e35fb6380271a9f30b56b27f33bdb593f20c84369a83462b2f4203fd131f4a8659b97b9923021bf7297471e2e62c

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsu825B.tmp\KeLe2014Beta3.6.2Promote0326_20090195130.exe

Filesize
29.2MB

MD5
75236781b7e9630222fd637fdc8816b1

SHA1
d176f973d26c3fbc46572b14ab56db96137eb874

SHA256
7973892fe18222489b78d7fb067594d7ef6b92b0a2113c94129eef820b9366cd

SHA512
11a8c3f6c8a73b22b2e1effa61802de8e328e35fb6380271a9f30b56b27f33bdb593f20c84369a83462b2f4203fd131f4a8659b97b9923021bf7297471e2e62c

Download Submit
\Users\Admin\AppData\Local\Temp\nsu825B.tmp\Base64.dll

Filesize
4KB

MD5
f0e3845fefd227d7f1101850410ec849

SHA1
3067203fafd4237be0c186ddab7029dfcbdfb53e

SHA256
7c688940e73022bf526f07cc922a631a1b1db78a19439af6bafbff2a3b46d554

SHA512
584ae5a0d1c1639ba4e2187d0c8a0ac7e54c0be0a266029c4689d81c0c64a7f80e7d918da0df5c6344f9f7a114f30d8f2feda253b29e813bae086604731a3d8a

Download Submit
\Users\Admin\AppData\Local\Temp\nsu825B.tmp\ExecCmd.dll

Filesize
4KB

MD5
b9380b0bea8854fd9f93cc1fda0dfeac

SHA1
edb8d58074e098f7b5f0d158abedc7fc53638618

SHA256
1f4bd9c9376fe1b6913baeca7fb6df6467126f27c9c2fe038206567232a0e244

SHA512
45c3ab0f2bce53b75e72e43bac747dc0618342a3f498be8e2eb62a6db0b137fcdb1735da83051b14824996b5287109aa831e5859d6f21f0ed21b76b3d335418c

Download Submit
\Users\Admin\AppData\Local\Temp\nsu825B.tmp\Inetc.dll

Filesize
20KB

MD5
50fdadda3e993688401f6f1108fabdb4

SHA1
04a9ae55d0fb726be49809582cea41d75bf22a9a

SHA256
6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

SHA512
e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

Download Submit
\Users\Admin\AppData\Local\Temp\nsu825B.tmp\KeLe2014Beta3.6.2Promote0326_20090195130.exe

Filesize
29.2MB

MD5
75236781b7e9630222fd637fdc8816b1

SHA1
d176f973d26c3fbc46572b14ab56db96137eb874

SHA256
7973892fe18222489b78d7fb067594d7ef6b92b0a2113c94129eef820b9366cd

SHA512
11a8c3f6c8a73b22b2e1effa61802de8e328e35fb6380271a9f30b56b27f33bdb593f20c84369a83462b2f4203fd131f4a8659b97b9923021bf7297471e2e62c

Download Submit
\Users\Admin\AppData\Local\Temp\nsu825B.tmp\NSISdl.dll

Filesize
14KB

MD5
254f13dfd61c5b7d2119eb2550491e1d

SHA1
5083f6804ee3475f3698ab9e68611b0128e22fd6

SHA256
fd0e8be2135f3d326b65520383a3468c3983fa32c9c93594d986b16709d80f28

SHA512
fcef8ac5bd0ee6e316dbbc128a223ba18c8bf85a8d253e0c0877af6a4f686a20b08d34e5a426e2be5045962b391b8073769253a4d9b18616febc8133ccf654f7

Download Submit
\Users\Admin\AppData\Local\Temp\nsu825B.tmp\NSISdl.dll

Filesize
14KB

MD5
254f13dfd61c5b7d2119eb2550491e1d

SHA1
5083f6804ee3475f3698ab9e68611b0128e22fd6

SHA256
fd0e8be2135f3d326b65520383a3468c3983fa32c9c93594d986b16709d80f28

SHA512
fcef8ac5bd0ee6e316dbbc128a223ba18c8bf85a8d253e0c0877af6a4f686a20b08d34e5a426e2be5045962b391b8073769253a4d9b18616febc8133ccf654f7

Download Submit
\Users\Admin\AppData\Local\Temp\nsu825B.tmp\System.dll

Filesize
11KB

MD5
00a0194c20ee912257df53bfe258ee4a

SHA1
d7b4e319bc5119024690dc8230b9cc919b1b86b2

SHA256
dc4da2ccadb11099076926b02764b2b44ad8f97cd32337421a4cc21a3f5448f3

SHA512
3b38a2c17996c3b77ebf7b858a6c37415615e756792132878d8eddbd13cb06710b7da0e8b58104768f8e475fc93e8b44b3b1ab6f70ddf52edee111aaf5ef5667

Download Submit
memory/592-54-0x0000000075831000-0x0000000075833000-memory.dmp

Filesize
8KB

Download
memory/1308-64-0x0000000000000000-mapping.dmp

Download
memory/1316-60-0x0000000000000000-mapping.dmp

Download