dc2766f4f8bd2b9b0a2b8fb18426735755ba12ac8e080be1107363305f4c5f5b

Analysis

max time kernel
43s
max time network
47s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
15/02/2023, 14:41

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General

Target

bokledge4.1.exe
Size

292KB
MD5

500ce28cca98df7f3d40fa8f5e428598
SHA1

83a021883ab8c45b04488074ad5f196dd5bc0de5
SHA256

dc2766f4f8bd2b9b0a2b8fb18426735755ba12ac8e080be1107363305f4c5f5b
SHA512

0a0d6267baad1b5ceec3bd6f8af771456442ea08c3750a0f811dd6bf8281fd66de3e8bdb87a5933dd455af2ab68a795c94a5e0c75e2b6f2b01fd3be207b851b7
SSDEEP

6144:vYa67vB1oNb15mb3SfCt/CE76CQ1vGNJxtkxKKSZvyvB9dSuMwviPnMx5I:vYBvB1Wp8b307NruJnkxqWj4uMVPn/

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1328	fmgwqo.exe
1064	fmgwqo.exe

Loads dropped DLL 5 IoCs

pid	Process
1272	bokledge4.1.exe
1328	fmgwqo.exe
1268	WerFault.exe
1268	WerFault.exe
1268	WerFault.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1328 set thread context of 1064	1328	fmgwqo.exe	28

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
1268	1064	WerFault.exe	28

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
1328	fmgwqo.exe
1328	fmgwqo.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1272 wrote to memory of 1328	1272	bokledge4.1.exe	27
PID 1272 wrote to memory of 1328	1272	bokledge4.1.exe	27
PID 1272 wrote to memory of 1328	1272	bokledge4.1.exe	27
PID 1272 wrote to memory of 1328	1272	bokledge4.1.exe	27
PID 1328 wrote to memory of 1064	1328	fmgwqo.exe	28
PID 1328 wrote to memory of 1064	1328	fmgwqo.exe	28
PID 1328 wrote to memory of 1064	1328	fmgwqo.exe	28
PID 1328 wrote to memory of 1064	1328	fmgwqo.exe	28
PID 1328 wrote to memory of 1064	1328	fmgwqo.exe	28
PID 1064 wrote to memory of 1268	1064	fmgwqo.exe	29
PID 1064 wrote to memory of 1268	1064	fmgwqo.exe	29
PID 1064 wrote to memory of 1268	1064	fmgwqo.exe	29
PID 1064 wrote to memory of 1268	1064	fmgwqo.exe	29

C:\Users\Admin\AppData\Local\Temp\bokledge4.1.exe
"C:\Users\Admin\AppData\Local\Temp\bokledge4.1.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1272
- C:\Users\Admin\AppData\Local\Temp\fmgwqo.exe
  "C:\Users\Admin\AppData\Local\Temp\fmgwqo.exe" C:\Users\Admin\AppData\Local\Temp\lglfpuxh.i
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:1328
- - C:\Users\Admin\AppData\Local\Temp\fmgwqo.exe
    "C:\Users\Admin\AppData\Local\Temp\fmgwqo.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:1064
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1064 -s 36
      4⤵
      Loads dropped DLL
      Program crash
      PID:1268

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\fmgwqo.exe

Filesize
139KB

MD5
39e740ff4e6fb6f21830aedff351d66a

SHA1
24211bcc5a5caaa5f5fccaa145017cf1266b7e29

SHA256
670004235984a334c84cc8f7a08f274530799a0b56c360e5bd9b6e5a34361a37

SHA512
89489311827744632af3fb6998344dcc974b138cd33c5a6b9a0b81e4d27bd1f6a4953095d333ac60ff38e9c8d7b1498aa3aa883553fef0f3f59232e5bc54559e

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

Filesize
139KB

MD5
39e740ff4e6fb6f21830aedff351d66a

SHA1
24211bcc5a5caaa5f5fccaa145017cf1266b7e29

SHA256
670004235984a334c84cc8f7a08f274530799a0b56c360e5bd9b6e5a34361a37

SHA512
89489311827744632af3fb6998344dcc974b138cd33c5a6b9a0b81e4d27bd1f6a4953095d333ac60ff38e9c8d7b1498aa3aa883553fef0f3f59232e5bc54559e

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

Filesize
139KB

MD5
39e740ff4e6fb6f21830aedff351d66a

SHA1
24211bcc5a5caaa5f5fccaa145017cf1266b7e29

SHA256
670004235984a334c84cc8f7a08f274530799a0b56c360e5bd9b6e5a34361a37

SHA512
89489311827744632af3fb6998344dcc974b138cd33c5a6b9a0b81e4d27bd1f6a4953095d333ac60ff38e9c8d7b1498aa3aa883553fef0f3f59232e5bc54559e

Download Submit
C:\Users\Admin\AppData\Local\Temp\lglfpuxh.i

Filesize
5KB

MD5
b6ff144e77e74f6cdea0365ee31214e7

SHA1
50efae8cc2ff6cddf822bd9f330e486cd4252ca8

SHA256
614bbeeede1a2ec9afd7ab98e38ed80f807d7b64214c0ab52b900fb055202ce6

SHA512
b7303e9e911dbe26f1efe5308b6e537bdfe93427ba4c3494ffdbb7ae1d1779e01ba3386eba13eac7f724e4510e107a619a0977b90514264d99c7de4230402c39

Download Submit
C:\Users\Admin\AppData\Local\Temp\slfnfzw.gd

Filesize
205KB

MD5
3cde900bd825c044f5c2690334fa0f1f

SHA1
e0c1a63300eb6cc94940a5eea200b0af8a82c6e5

SHA256
f69c5f49d387c16b28ea47a859f83327080d7415cf46354004ac7c6f4976bebe

SHA512
28af4f4cde12e2e0d6340a1cb52aa4a1824be05c0549cfe409b0b5ee56233d7a134536650f98475573185679f5aa6dd792ff6f012a1d70a0ca9d4d416324ae61

Download Submit
\Users\Admin\AppData\Local\Temp\fmgwqo.exe

Filesize
139KB

MD5
39e740ff4e6fb6f21830aedff351d66a

SHA1
24211bcc5a5caaa5f5fccaa145017cf1266b7e29

SHA256
670004235984a334c84cc8f7a08f274530799a0b56c360e5bd9b6e5a34361a37

SHA512
89489311827744632af3fb6998344dcc974b138cd33c5a6b9a0b81e4d27bd1f6a4953095d333ac60ff38e9c8d7b1498aa3aa883553fef0f3f59232e5bc54559e

Download Submit
\Users\Admin\AppData\Local\Temp\fmgwqo.exe

Filesize
139KB

MD5
39e740ff4e6fb6f21830aedff351d66a

SHA1
24211bcc5a5caaa5f5fccaa145017cf1266b7e29

SHA256
670004235984a334c84cc8f7a08f274530799a0b56c360e5bd9b6e5a34361a37

SHA512
89489311827744632af3fb6998344dcc974b138cd33c5a6b9a0b81e4d27bd1f6a4953095d333ac60ff38e9c8d7b1498aa3aa883553fef0f3f59232e5bc54559e

Download Submit
\Users\Admin\AppData\Local\Temp\fmgwqo.exe

Filesize
139KB

MD5
39e740ff4e6fb6f21830aedff351d66a

SHA1
24211bcc5a5caaa5f5fccaa145017cf1266b7e29

SHA256
670004235984a334c84cc8f7a08f274530799a0b56c360e5bd9b6e5a34361a37

SHA512
89489311827744632af3fb6998344dcc974b138cd33c5a6b9a0b81e4d27bd1f6a4953095d333ac60ff38e9c8d7b1498aa3aa883553fef0f3f59232e5bc54559e

Download Submit
\Users\Admin\AppData\Local\Temp\fmgwqo.exe

Filesize
139KB

MD5
39e740ff4e6fb6f21830aedff351d66a

SHA1
24211bcc5a5caaa5f5fccaa145017cf1266b7e29

SHA256
670004235984a334c84cc8f7a08f274530799a0b56c360e5bd9b6e5a34361a37

SHA512
89489311827744632af3fb6998344dcc974b138cd33c5a6b9a0b81e4d27bd1f6a4953095d333ac60ff38e9c8d7b1498aa3aa883553fef0f3f59232e5bc54559e

Download Submit
\Users\Admin\AppData\Local\Temp\fmgwqo.exe

Filesize
139KB

MD5
39e740ff4e6fb6f21830aedff351d66a

SHA1
24211bcc5a5caaa5f5fccaa145017cf1266b7e29

SHA256
670004235984a334c84cc8f7a08f274530799a0b56c360e5bd9b6e5a34361a37

SHA512
89489311827744632af3fb6998344dcc974b138cd33c5a6b9a0b81e4d27bd1f6a4953095d333ac60ff38e9c8d7b1498aa3aa883553fef0f3f59232e5bc54559e

Download Submit
memory/1272-54-0x0000000075931000-0x0000000075933000-memory.dmp

Filesize
8KB

Download