613355f77c2dd5064b640d8076626299a4f023512d9ee9301c674995f382b88c

Analysis

max time kernel
31s
max time network
42s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
06/12/2022, 14:22

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General

Target

773fb681c3115952129dfab8a192b111.exe
Size

347KB
MD5

773fb681c3115952129dfab8a192b111
SHA1

6cad9d1d3f6d3607bc8dcd388c972056c6184dc7
SHA256

613355f77c2dd5064b640d8076626299a4f023512d9ee9301c674995f382b88c
SHA512

ffcaacf102264a20fed98bee11b15ade13c98062e42f70fc52d73897adb278b6c2f96e3cfce0993d9f94d31bc1914f7ac3c017d30de704f3a002f84b2fb3f3e0
SSDEEP

6144:HBnAU1X9Tel6FV4aUR4VC+S7VK85ibLbSu+:WU1+6FV494iJKJfSu+

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1504	dibdtf.exe
2036	dibdtf.exe

Loads dropped DLL 5 IoCs

pid	Process
1592	773fb681c3115952129dfab8a192b111.exe
1504	dibdtf.exe
1980	WerFault.exe
1980	WerFault.exe
1980	WerFault.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\svkbkv = "C:\\Users\\Admin\\AppData\\Roaming\\mrnlwpcqqnhuk\\qjasx.exe \"C:\\Users\\Admin\\AppData\\Local\\Temp\\dibdtf.exe\" C:\\Users\\Admin\\AppData\\Local"	dibdtf.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1504 set thread context of 2036	1504	dibdtf.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
1980	2036	WerFault.exe	28

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
1504	dibdtf.exe
1504	dibdtf.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1592 wrote to memory of 1504	1592	773fb681c3115952129dfab8a192b111.exe	27
PID 1592 wrote to memory of 1504	1592	773fb681c3115952129dfab8a192b111.exe	27
PID 1592 wrote to memory of 1504	1592	773fb681c3115952129dfab8a192b111.exe	27
PID 1592 wrote to memory of 1504	1592	773fb681c3115952129dfab8a192b111.exe	27
PID 1504 wrote to memory of 2036	1504	dibdtf.exe	28
PID 1504 wrote to memory of 2036	1504	dibdtf.exe	28
PID 1504 wrote to memory of 2036	1504	dibdtf.exe	28
PID 1504 wrote to memory of 2036	1504	dibdtf.exe	28
PID 1504 wrote to memory of 2036	1504	dibdtf.exe	28
PID 2036 wrote to memory of 1980	2036	dibdtf.exe	29
PID 2036 wrote to memory of 1980	2036	dibdtf.exe	29
PID 2036 wrote to memory of 1980	2036	dibdtf.exe	29
PID 2036 wrote to memory of 1980	2036	dibdtf.exe	29

C:\Users\Admin\AppData\Local\Temp\773fb681c3115952129dfab8a192b111.exe
"C:\Users\Admin\AppData\Local\Temp\773fb681c3115952129dfab8a192b111.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1592
- C:\Users\Admin\AppData\Local\Temp\dibdtf.exe
  "C:\Users\Admin\AppData\Local\Temp\dibdtf.exe" C:\Users\Admin\AppData\Local\Temp\dvvabwhzxx.i
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:1504
- - C:\Users\Admin\AppData\Local\Temp\dibdtf.exe
    "C:\Users\Admin\AppData\Local\Temp\dibdtf.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:2036
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2036 -s 184
      4⤵
      Loads dropped DLL
      Program crash
      PID:1980

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

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\dibdtf.exe

Filesize
12KB

MD5
36063c9383803d4b38d2aa4f8ea183d5

SHA1
8e7b673b92a8f000ad9ac42241d28e7fb0c91c90

SHA256
09989a869b01d91b480e2b9aeadebf07d979372476cc4a3d970941c640977f46

SHA512
06d14033ff4853d3b0135dffaccf7465b485503d903a9e8a69c88eb9432781cda05fa8023666639781196a555422723d822f0575cb08cb144ff009cb23091f50

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

Filesize
12KB

MD5
36063c9383803d4b38d2aa4f8ea183d5

SHA1
8e7b673b92a8f000ad9ac42241d28e7fb0c91c90

SHA256
09989a869b01d91b480e2b9aeadebf07d979372476cc4a3d970941c640977f46

SHA512
06d14033ff4853d3b0135dffaccf7465b485503d903a9e8a69c88eb9432781cda05fa8023666639781196a555422723d822f0575cb08cb144ff009cb23091f50

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

Filesize
12KB

MD5
36063c9383803d4b38d2aa4f8ea183d5

SHA1
8e7b673b92a8f000ad9ac42241d28e7fb0c91c90

SHA256
09989a869b01d91b480e2b9aeadebf07d979372476cc4a3d970941c640977f46

SHA512
06d14033ff4853d3b0135dffaccf7465b485503d903a9e8a69c88eb9432781cda05fa8023666639781196a555422723d822f0575cb08cb144ff009cb23091f50

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

Filesize
7KB

MD5
35624c6acd0194e2e770e3395b572d3a

SHA1
4254b904007d09fe30b818cc5598eade268cf733

SHA256
55049d092cd835e31d70707dbf7098835bd9ad0c388352e6ca9f7604cd570974

SHA512
342f3ce332bf0bf635fc6c0087dd2915aad95a22afd005ae12e79e9d069552e1920180e70b9842e15b53cf77d50280b3e0162d6aa1103a253560aeae17a5a47a

Download Submit
C:\Users\Admin\AppData\Local\Temp\obldfly.u

Filesize
98KB

MD5
5dfce1ea3fcdb244cb1fbc3c16f15fe2

SHA1
91a9a5001b6f44937b861c7c4739290d9d4e7016

SHA256
f2ed263a2dc26bcb9fc7c192aa31ef33af78491a2d57384bb5efb06bdff50acc

SHA512
421c7ed3909b95f708e1e5b70bba65f1a0f0a7c4ddaa48e68a3c649dd6f59622b8ec7b4d9ecfabf9aa879582d2c624e779622f57fec852a5a5f26c5c32e9a6b2

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

Filesize
12KB

MD5
36063c9383803d4b38d2aa4f8ea183d5

SHA1
8e7b673b92a8f000ad9ac42241d28e7fb0c91c90

SHA256
09989a869b01d91b480e2b9aeadebf07d979372476cc4a3d970941c640977f46

SHA512
06d14033ff4853d3b0135dffaccf7465b485503d903a9e8a69c88eb9432781cda05fa8023666639781196a555422723d822f0575cb08cb144ff009cb23091f50

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

Filesize
12KB

MD5
36063c9383803d4b38d2aa4f8ea183d5

SHA1
8e7b673b92a8f000ad9ac42241d28e7fb0c91c90

SHA256
09989a869b01d91b480e2b9aeadebf07d979372476cc4a3d970941c640977f46

SHA512
06d14033ff4853d3b0135dffaccf7465b485503d903a9e8a69c88eb9432781cda05fa8023666639781196a555422723d822f0575cb08cb144ff009cb23091f50

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

Filesize
12KB

MD5
36063c9383803d4b38d2aa4f8ea183d5

SHA1
8e7b673b92a8f000ad9ac42241d28e7fb0c91c90

SHA256
09989a869b01d91b480e2b9aeadebf07d979372476cc4a3d970941c640977f46

SHA512
06d14033ff4853d3b0135dffaccf7465b485503d903a9e8a69c88eb9432781cda05fa8023666639781196a555422723d822f0575cb08cb144ff009cb23091f50

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

Filesize
12KB

MD5
36063c9383803d4b38d2aa4f8ea183d5

SHA1
8e7b673b92a8f000ad9ac42241d28e7fb0c91c90

SHA256
09989a869b01d91b480e2b9aeadebf07d979372476cc4a3d970941c640977f46

SHA512
06d14033ff4853d3b0135dffaccf7465b485503d903a9e8a69c88eb9432781cda05fa8023666639781196a555422723d822f0575cb08cb144ff009cb23091f50

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

Filesize
12KB

MD5
36063c9383803d4b38d2aa4f8ea183d5

SHA1
8e7b673b92a8f000ad9ac42241d28e7fb0c91c90

SHA256
09989a869b01d91b480e2b9aeadebf07d979372476cc4a3d970941c640977f46

SHA512
06d14033ff4853d3b0135dffaccf7465b485503d903a9e8a69c88eb9432781cda05fa8023666639781196a555422723d822f0575cb08cb144ff009cb23091f50

Download Submit
memory/1592-54-0x0000000074FB1000-0x0000000074FB3000-memory.dmp

Filesize
8KB

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