b43665fbbcb7f432d71747e205d51df085f429b232ad1005a4ea7aac82766b2c

Analysis

max time kernel
233s
max time network
336s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
03/12/2022, 01:31

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General

Target

b43665fbbcb7f432d71747e205d51df085f429b232ad1005a4ea7aac82766b2c.exe
Size

255KB
MD5

c4c74ebabf935baa19f5e12d3359833e
SHA1

82376fb1a9255b1903073622e59bc2c57f641ab2
SHA256

b43665fbbcb7f432d71747e205d51df085f429b232ad1005a4ea7aac82766b2c
SHA512

2c80ed7b1ddf29fa970c3509c2683c3dfa3e077d2a0f5ba093aa7d26dbd45cdf9685907e3a231984789afb1e664c82dac30b70a83ec5c365089bbc8fda861ec3
SSDEEP

6144:WjswHa4HKnkvErZCU5Be0VsRoqbxMlm1eRTPDg:Z4HKkvERIKsjDeRvg

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1444	keygen.exe
1012	303443_2599185bace0bbd1b9f92e7e3e719737.exe

Loads dropped DLL 7 IoCs

pid	Process
1244	b43665fbbcb7f432d71747e205d51df085f429b232ad1005a4ea7aac82766b2c.exe
1244	b43665fbbcb7f432d71747e205d51df085f429b232ad1005a4ea7aac82766b2c.exe
1660	WerFault.exe
1660	WerFault.exe
1660	WerFault.exe
1660	WerFault.exe
1660	WerFault.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1660	1012	WerFault.exe	29

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1444	keygen.exe
Token: 33	1444	keygen.exe
Token: SeIncBasePriorityPrivilege	1444	keygen.exe
Token: 33	1444	keygen.exe
Token: SeIncBasePriorityPrivilege	1444	keygen.exe
Token: 33	1444	keygen.exe
Token: SeIncBasePriorityPrivilege	1444	keygen.exe
Token: 33	1444	keygen.exe
Token: SeIncBasePriorityPrivilege	1444	keygen.exe
Token: 33	1444	keygen.exe
Token: SeIncBasePriorityPrivilege	1444	keygen.exe
Token: 33	1444	keygen.exe
Token: SeIncBasePriorityPrivilege	1444	keygen.exe
Token: 33	1444	keygen.exe
Token: SeIncBasePriorityPrivilege	1444	keygen.exe
Token: 33	1444	keygen.exe
Token: SeIncBasePriorityPrivilege	1444	keygen.exe
Token: 33	1444	keygen.exe
Token: SeIncBasePriorityPrivilege	1444	keygen.exe
Token: 33	1444	keygen.exe
Token: SeIncBasePriorityPrivilege	1444	keygen.exe
Token: 33	1444	keygen.exe
Token: SeIncBasePriorityPrivilege	1444	keygen.exe
Token: 33	1444	keygen.exe
Token: SeIncBasePriorityPrivilege	1444	keygen.exe
Token: 33	1444	keygen.exe
Token: SeIncBasePriorityPrivilege	1444	keygen.exe
Token: 33	1444	keygen.exe
Token: SeIncBasePriorityPrivilege	1444	keygen.exe
Token: 33	1444	keygen.exe
Token: SeIncBasePriorityPrivilege	1444	keygen.exe
Token: 33	1444	keygen.exe
Token: SeIncBasePriorityPrivilege	1444	keygen.exe
Token: 33	1444	keygen.exe
Token: SeIncBasePriorityPrivilege	1444	keygen.exe
Token: 33	1444	keygen.exe
Token: SeIncBasePriorityPrivilege	1444	keygen.exe
Token: 33	1444	keygen.exe
Token: SeIncBasePriorityPrivilege	1444	keygen.exe
Token: 33	1444	keygen.exe
Token: SeIncBasePriorityPrivilege	1444	keygen.exe
Token: 33	1444	keygen.exe
Token: SeIncBasePriorityPrivilege	1444	keygen.exe
Token: 33	1444	keygen.exe
Token: SeIncBasePriorityPrivilege	1444	keygen.exe
Token: 33	1444	keygen.exe
Token: SeIncBasePriorityPrivilege	1444	keygen.exe
Token: 33	1444	keygen.exe
Token: SeIncBasePriorityPrivilege	1444	keygen.exe
Token: 33	1444	keygen.exe
Token: SeIncBasePriorityPrivilege	1444	keygen.exe
Token: 33	1444	keygen.exe
Token: SeIncBasePriorityPrivilege	1444	keygen.exe
Token: 33	1444	keygen.exe
Token: SeIncBasePriorityPrivilege	1444	keygen.exe
Token: 33	1444	keygen.exe
Token: SeIncBasePriorityPrivilege	1444	keygen.exe
Token: 33	1444	keygen.exe
Token: SeIncBasePriorityPrivilege	1444	keygen.exe
Token: 33	1444	keygen.exe
Token: SeIncBasePriorityPrivilege	1444	keygen.exe
Token: 33	1444	keygen.exe
Token: SeIncBasePriorityPrivilege	1444	keygen.exe
Token: 33	1444	keygen.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1244	b43665fbbcb7f432d71747e205d51df085f429b232ad1005a4ea7aac82766b2c.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1244 wrote to memory of 1444	1244	b43665fbbcb7f432d71747e205d51df085f429b232ad1005a4ea7aac82766b2c.exe	28
PID 1244 wrote to memory of 1444	1244	b43665fbbcb7f432d71747e205d51df085f429b232ad1005a4ea7aac82766b2c.exe	28
PID 1244 wrote to memory of 1444	1244	b43665fbbcb7f432d71747e205d51df085f429b232ad1005a4ea7aac82766b2c.exe	28
PID 1244 wrote to memory of 1444	1244	b43665fbbcb7f432d71747e205d51df085f429b232ad1005a4ea7aac82766b2c.exe	28
PID 1244 wrote to memory of 1012	1244	b43665fbbcb7f432d71747e205d51df085f429b232ad1005a4ea7aac82766b2c.exe	29
PID 1244 wrote to memory of 1012	1244	b43665fbbcb7f432d71747e205d51df085f429b232ad1005a4ea7aac82766b2c.exe	29
PID 1244 wrote to memory of 1012	1244	b43665fbbcb7f432d71747e205d51df085f429b232ad1005a4ea7aac82766b2c.exe	29
PID 1244 wrote to memory of 1012	1244	b43665fbbcb7f432d71747e205d51df085f429b232ad1005a4ea7aac82766b2c.exe	29
PID 1012 wrote to memory of 1660	1012	303443_2599185bace0bbd1b9f92e7e3e719737.exe	30
PID 1012 wrote to memory of 1660	1012	303443_2599185bace0bbd1b9f92e7e3e719737.exe	30
PID 1012 wrote to memory of 1660	1012	303443_2599185bace0bbd1b9f92e7e3e719737.exe	30
PID 1012 wrote to memory of 1660	1012	303443_2599185bace0bbd1b9f92e7e3e719737.exe	30

C:\Users\Admin\AppData\Local\Temp\b43665fbbcb7f432d71747e205d51df085f429b232ad1005a4ea7aac82766b2c.exe
"C:\Users\Admin\AppData\Local\Temp\b43665fbbcb7f432d71747e205d51df085f429b232ad1005a4ea7aac82766b2c.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1244
- C:\Users\Admin\AppData\Roaming\keygen.exe
  "C:\Users\Admin\AppData\Roaming\keygen.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:1444
- C:\Users\Admin\AppData\Roaming\303443_2599185bace0bbd1b9f92e7e3e719737.exe
  "C:\Users\Admin\AppData\Roaming\303443_2599185bace0bbd1b9f92e7e3e719737.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:1012
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1012 -s 104
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:1660

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\Roaming\303443_2599185bace0bbd1b9f92e7e3e719737.exe

Filesize
129KB

MD5
2599185bace0bbd1b9f92e7e3e719737

SHA1
36367008a3074d344d2f1e4c457e9c5d4b188a0c

SHA256
3449e496b012e271e7dc6d3bd9b2bf5ca0c85c8ebe75d4d3e2b2ab48411945d8

SHA512
195a1d34415c65829d7cc593b9db0569b32bd289e36b3082a903c7378d5ad790b52868fa41bf74bc7382690a9a756a299925a9cd3beb2262ddec0276419736e2

Download Submit
C:\Users\Admin\AppData\Roaming\keygen.exe

Filesize
79KB

MD5
4cab60b6428608b76dbe0f1f12b6cc02

SHA1
964922c9cfa4df9059aa2090ccadecd30b8d9d4f

SHA256
be741f127a0be9bd8796ffddb6b29a4d907aaf2e895bbf6a3e74e6648896f7cb

SHA512
0072c8882c6f00cef014536be749dbf5cbceaebd1ce4b73635cf12ba9aac66b3ff1e8a532f2f35bbca501cbd66caca6caac6bbb9a419758c26d784640074682d

Download Submit
C:\Users\Admin\AppData\Roaming\keygen.exe

Filesize
79KB

MD5
4cab60b6428608b76dbe0f1f12b6cc02

SHA1
964922c9cfa4df9059aa2090ccadecd30b8d9d4f

SHA256
be741f127a0be9bd8796ffddb6b29a4d907aaf2e895bbf6a3e74e6648896f7cb

SHA512
0072c8882c6f00cef014536be749dbf5cbceaebd1ce4b73635cf12ba9aac66b3ff1e8a532f2f35bbca501cbd66caca6caac6bbb9a419758c26d784640074682d

Download Submit
\Users\Admin\AppData\Roaming\303443_2599185bace0bbd1b9f92e7e3e719737.exe

Filesize
129KB

MD5
2599185bace0bbd1b9f92e7e3e719737

SHA1
36367008a3074d344d2f1e4c457e9c5d4b188a0c

SHA256
3449e496b012e271e7dc6d3bd9b2bf5ca0c85c8ebe75d4d3e2b2ab48411945d8

SHA512
195a1d34415c65829d7cc593b9db0569b32bd289e36b3082a903c7378d5ad790b52868fa41bf74bc7382690a9a756a299925a9cd3beb2262ddec0276419736e2

Download Submit
\Users\Admin\AppData\Roaming\303443_2599185bace0bbd1b9f92e7e3e719737.exe

Filesize
129KB

MD5
2599185bace0bbd1b9f92e7e3e719737

SHA1
36367008a3074d344d2f1e4c457e9c5d4b188a0c

SHA256
3449e496b012e271e7dc6d3bd9b2bf5ca0c85c8ebe75d4d3e2b2ab48411945d8

SHA512
195a1d34415c65829d7cc593b9db0569b32bd289e36b3082a903c7378d5ad790b52868fa41bf74bc7382690a9a756a299925a9cd3beb2262ddec0276419736e2

Download Submit
\Users\Admin\AppData\Roaming\303443_2599185bace0bbd1b9f92e7e3e719737.exe

Filesize
129KB

MD5
2599185bace0bbd1b9f92e7e3e719737

SHA1
36367008a3074d344d2f1e4c457e9c5d4b188a0c

SHA256
3449e496b012e271e7dc6d3bd9b2bf5ca0c85c8ebe75d4d3e2b2ab48411945d8

SHA512
195a1d34415c65829d7cc593b9db0569b32bd289e36b3082a903c7378d5ad790b52868fa41bf74bc7382690a9a756a299925a9cd3beb2262ddec0276419736e2

Download Submit
\Users\Admin\AppData\Roaming\303443_2599185bace0bbd1b9f92e7e3e719737.exe

Filesize
129KB

MD5
2599185bace0bbd1b9f92e7e3e719737

SHA1
36367008a3074d344d2f1e4c457e9c5d4b188a0c

SHA256
3449e496b012e271e7dc6d3bd9b2bf5ca0c85c8ebe75d4d3e2b2ab48411945d8

SHA512
195a1d34415c65829d7cc593b9db0569b32bd289e36b3082a903c7378d5ad790b52868fa41bf74bc7382690a9a756a299925a9cd3beb2262ddec0276419736e2

Download Submit
\Users\Admin\AppData\Roaming\303443_2599185bace0bbd1b9f92e7e3e719737.exe

Filesize
129KB

MD5
2599185bace0bbd1b9f92e7e3e719737

SHA1
36367008a3074d344d2f1e4c457e9c5d4b188a0c

SHA256
3449e496b012e271e7dc6d3bd9b2bf5ca0c85c8ebe75d4d3e2b2ab48411945d8

SHA512
195a1d34415c65829d7cc593b9db0569b32bd289e36b3082a903c7378d5ad790b52868fa41bf74bc7382690a9a756a299925a9cd3beb2262ddec0276419736e2

Download Submit
\Users\Admin\AppData\Roaming\303443_2599185bace0bbd1b9f92e7e3e719737.exe

Filesize
129KB

MD5
2599185bace0bbd1b9f92e7e3e719737

SHA1
36367008a3074d344d2f1e4c457e9c5d4b188a0c

SHA256
3449e496b012e271e7dc6d3bd9b2bf5ca0c85c8ebe75d4d3e2b2ab48411945d8

SHA512
195a1d34415c65829d7cc593b9db0569b32bd289e36b3082a903c7378d5ad790b52868fa41bf74bc7382690a9a756a299925a9cd3beb2262ddec0276419736e2

Download Submit
\Users\Admin\AppData\Roaming\keygen.exe

Filesize
79KB

MD5
4cab60b6428608b76dbe0f1f12b6cc02

SHA1
964922c9cfa4df9059aa2090ccadecd30b8d9d4f

SHA256
be741f127a0be9bd8796ffddb6b29a4d907aaf2e895bbf6a3e74e6648896f7cb

SHA512
0072c8882c6f00cef014536be749dbf5cbceaebd1ce4b73635cf12ba9aac66b3ff1e8a532f2f35bbca501cbd66caca6caac6bbb9a419758c26d784640074682d

Download Submit
memory/1012-71-0x0000000000230000-0x000000000024E000-memory.dmp

Filesize
120KB

Download
memory/1012-74-0x0000000000230000-0x000000000024E000-memory.dmp

Filesize
120KB

Download
memory/1244-56-0x00000000759F1000-0x00000000759F3000-memory.dmp

Filesize
8KB

Download
memory/1444-65-0x000007FEF3490000-0x000007FEF3EB3000-memory.dmp

Filesize
10.1MB

Download
memory/1444-73-0x000007FEF1D10000-0x000007FEF2DA6000-memory.dmp

Filesize
16.6MB

Download
memory/1444-75-0x0000000002016000-0x0000000002035000-memory.dmp

Filesize
124KB

Download
memory/1444-76-0x0000000002016000-0x0000000002035000-memory.dmp

Filesize
124KB

Download