ac3e891bfaaf55693950b3da7ef5dd4701363e86a18e8da2b4b2641011c6b50b

Analysis

max time kernel
150s
max time network
49s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
06/12/2022, 21:12

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General

Target

ac3e891bfaaf55693950b3da7ef5dd4701363e86a18e8da2b4b2641011c6b50b.exe
Size

56KB
MD5

2afce8d2eeac87aa462dee4240424387
SHA1

cb9659311118b758c56c32a1ff7e6e7999782388
SHA256

ac3e891bfaaf55693950b3da7ef5dd4701363e86a18e8da2b4b2641011c6b50b
SHA512

b917e9f964d4e5f74f4ac7c1bf4467106a0806e02a597fd3a58b535be82229fcdeecc8791d85b7f7766bca23c7b03e48d216578ce206d74212c99244f411ad99
SSDEEP

768:Yn+0n6KrQhF5kpiljEnUrGbWfzoat5a1HzfZQBRVb/6:cRn6K0PlYl2JcteRJS

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
940	jolendsk.exe

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1060

Modify Registry
T1112

Deletes itself 1 IoCs

pid	Process
676	cmd.exe

Loads dropped DLL 2 IoCs

pid	Process
2024	ac3e891bfaaf55693950b3da7ef5dd4701363e86a18e8da2b4b2641011c6b50b.exe
2024	ac3e891bfaaf55693950b3da7ef5dd4701363e86a18e8da2b4b2641011c6b50b.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\jolends.dll	ac3e891bfaaf55693950b3da7ef5dd4701363e86a18e8da2b4b2641011c6b50b.exe
File created	C:\Windows\SysWOW64\jolendsk.exe	ac3e891bfaaf55693950b3da7ef5dd4701363e86a18e8da2b4b2641011c6b50b.exe
File opened for modification	C:\Windows\SysWOW64\jolendsk.exe	ac3e891bfaaf55693950b3da7ef5dd4701363e86a18e8da2b4b2641011c6b50b.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2024 wrote to memory of 940	2024	ac3e891bfaaf55693950b3da7ef5dd4701363e86a18e8da2b4b2641011c6b50b.exe	27
PID 2024 wrote to memory of 940	2024	ac3e891bfaaf55693950b3da7ef5dd4701363e86a18e8da2b4b2641011c6b50b.exe	27
PID 2024 wrote to memory of 940	2024	ac3e891bfaaf55693950b3da7ef5dd4701363e86a18e8da2b4b2641011c6b50b.exe	27
PID 2024 wrote to memory of 940	2024	ac3e891bfaaf55693950b3da7ef5dd4701363e86a18e8da2b4b2641011c6b50b.exe	27
PID 2024 wrote to memory of 676	2024	ac3e891bfaaf55693950b3da7ef5dd4701363e86a18e8da2b4b2641011c6b50b.exe	28
PID 2024 wrote to memory of 676	2024	ac3e891bfaaf55693950b3da7ef5dd4701363e86a18e8da2b4b2641011c6b50b.exe	28
PID 2024 wrote to memory of 676	2024	ac3e891bfaaf55693950b3da7ef5dd4701363e86a18e8da2b4b2641011c6b50b.exe	28
PID 2024 wrote to memory of 676	2024	ac3e891bfaaf55693950b3da7ef5dd4701363e86a18e8da2b4b2641011c6b50b.exe	28

C:\Users\Admin\AppData\Local\Temp\ac3e891bfaaf55693950b3da7ef5dd4701363e86a18e8da2b4b2641011c6b50b.exe
"C:\Users\Admin\AppData\Local\Temp\ac3e891bfaaf55693950b3da7ef5dd4701363e86a18e8da2b4b2641011c6b50b.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2024
- C:\Windows\SysWOW64\jolendsk.exe
  C:\Windows\system32\jolendsk.exe ˜‰
  2⤵
  - Executes dropped EXE
  PID:940
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Local\Temp\ac3e891bfaaf55693950b3da7ef5dd4701363e86a18e8da2b4b2641011c6b50b.exe.bat
  2⤵
  - Deletes itself
  PID:676

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\ac3e891bfaaf55693950b3da7ef5dd4701363e86a18e8da2b4b2641011c6b50b.exe.bat

Filesize
246B

MD5
30e1a5604a6c393748b30eb71cb7fe36

SHA1
fe4f6735ce2bf4fb84b12a9d31c56d2de95c8cb5

SHA256
0ef6aaf1e306712880a95c3d8f15b126ebcad124f16194dda45f8b3659dd3e46

SHA512
aed92228acc73909376c42cedeb653121ef1d24fdec6e8f14bfa93b59ffc910eaa56a16c398dd7268458abacede4e325218790d663ab3125449735537f2530b5

Download Submit
C:\Windows\SysWOW64\jolendsk.exe

Filesize
56KB

MD5
2afce8d2eeac87aa462dee4240424387

SHA1
cb9659311118b758c56c32a1ff7e6e7999782388

SHA256
ac3e891bfaaf55693950b3da7ef5dd4701363e86a18e8da2b4b2641011c6b50b

SHA512
b917e9f964d4e5f74f4ac7c1bf4467106a0806e02a597fd3a58b535be82229fcdeecc8791d85b7f7766bca23c7b03e48d216578ce206d74212c99244f411ad99

Download Submit
\Windows\SysWOW64\jolendsk.exe

Filesize
56KB

MD5
2afce8d2eeac87aa462dee4240424387

SHA1
cb9659311118b758c56c32a1ff7e6e7999782388

SHA256
ac3e891bfaaf55693950b3da7ef5dd4701363e86a18e8da2b4b2641011c6b50b

SHA512
b917e9f964d4e5f74f4ac7c1bf4467106a0806e02a597fd3a58b535be82229fcdeecc8791d85b7f7766bca23c7b03e48d216578ce206d74212c99244f411ad99

Download Submit
\Windows\SysWOW64\jolendsk.exe

Filesize
56KB

MD5
2afce8d2eeac87aa462dee4240424387

SHA1
cb9659311118b758c56c32a1ff7e6e7999782388

SHA256
ac3e891bfaaf55693950b3da7ef5dd4701363e86a18e8da2b4b2641011c6b50b

SHA512
b917e9f964d4e5f74f4ac7c1bf4467106a0806e02a597fd3a58b535be82229fcdeecc8791d85b7f7766bca23c7b03e48d216578ce206d74212c99244f411ad99

Download Submit
memory/940-61-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2024-54-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2024-59-0x00000000001C0000-0x00000000001CF000-memory.dmp

Filesize
60KB

Download
memory/2024-60-0x00000000001C0000-0x00000000001CF000-memory.dmp

Filesize
60KB

Download