c262e243b99902ee2c601d0d623c777c65781e7211a166035bd31d03ba5b7c1a

Analysis

max time kernel
150s
max time network
133s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
19-09-2022 15:08

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General

Target

c262e243b99902ee2c601d0d623c777c65781e7211a166035bd31d03ba5b7c1a.exe
Size

10KB
MD5

05e4debc81b24e42696b6246a0f5ab21
SHA1

5273ca90291090b1ef20e0b615299427545e076c
SHA256

c262e243b99902ee2c601d0d623c777c65781e7211a166035bd31d03ba5b7c1a
SHA512

20c527cc35d79cb0a25bd80a2ae5344c31b10f2d12754ab7fc3afb06baaaaccb93de564dba4e6b5d80bdb9a14b6e21a767654d0c88281cbbd61908f1bdf4b8ac
SSDEEP

192:f1rTjAbiNTYQGrv3g7OGmQp1rbX1VCf31AdLQ:fJ1DGDQ7OGHPnCd

Score

8^/10

persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1964	jolenmk.exe

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1060

Modify Registry
T1112

UPX packed file 6 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4760-132-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral2/files/0x0006000000022e49-135.dat	upx
behavioral2/files/0x0006000000022e49-134.dat	upx
behavioral2/memory/1964-136-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral2/memory/4760-137-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral2/memory/1964-138-0x0000000000400000-0x000000000040F000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\jolenm.dll	c262e243b99902ee2c601d0d623c777c65781e7211a166035bd31d03ba5b7c1a.exe
File created	C:\Windows\SysWOW64\jolenmk.exe	c262e243b99902ee2c601d0d623c777c65781e7211a166035bd31d03ba5b7c1a.exe
File opened for modification	C:\Windows\SysWOW64\jolenmk.exe	c262e243b99902ee2c601d0d623c777c65781e7211a166035bd31d03ba5b7c1a.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4760 wrote to memory of 1964	4760	c262e243b99902ee2c601d0d623c777c65781e7211a166035bd31d03ba5b7c1a.exe	79
PID 4760 wrote to memory of 1964	4760	c262e243b99902ee2c601d0d623c777c65781e7211a166035bd31d03ba5b7c1a.exe	79
PID 4760 wrote to memory of 1964	4760	c262e243b99902ee2c601d0d623c777c65781e7211a166035bd31d03ba5b7c1a.exe	79
PID 4760 wrote to memory of 5072	4760	c262e243b99902ee2c601d0d623c777c65781e7211a166035bd31d03ba5b7c1a.exe	82
PID 4760 wrote to memory of 5072	4760	c262e243b99902ee2c601d0d623c777c65781e7211a166035bd31d03ba5b7c1a.exe	82
PID 4760 wrote to memory of 5072	4760	c262e243b99902ee2c601d0d623c777c65781e7211a166035bd31d03ba5b7c1a.exe	82

C:\Users\Admin\AppData\Local\Temp\c262e243b99902ee2c601d0d623c777c65781e7211a166035bd31d03ba5b7c1a.exe
"C:\Users\Admin\AppData\Local\Temp\c262e243b99902ee2c601d0d623c777c65781e7211a166035bd31d03ba5b7c1a.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:4760
- C:\Windows\SysWOW64\jolenmk.exe
  C:\Windows\system32\jolenmk.exe ˜‰
  2⤵
  - Executes dropped EXE
  PID:1964
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\c262e243b99902ee2c601d0d623c777c65781e7211a166035bd31d03ba5b7c1a.exe.bat
  2⤵
  PID:5072

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\c262e243b99902ee2c601d0d623c777c65781e7211a166035bd31d03ba5b7c1a.exe.bat

Filesize
246B

MD5
e116381a3f39e1fafd8f19e82cbf7d95

SHA1
1bc77a358ff3cc1564002b17325c1389b7b4dfc8

SHA256
d2fb92b85c681f133df62d437949d68ddb321cdbdf43e30b1f878b518c200621

SHA512
c3ac564e3baa9dcd44c07bab6be82ac8beeece9aa3931f962d167500bf22c7159ffe95ba3448099a23b7e858c973f433151f2cff72ffe66a53b7b489c7440b08

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

Filesize
10KB

MD5
05e4debc81b24e42696b6246a0f5ab21

SHA1
5273ca90291090b1ef20e0b615299427545e076c

SHA256
c262e243b99902ee2c601d0d623c777c65781e7211a166035bd31d03ba5b7c1a

SHA512
20c527cc35d79cb0a25bd80a2ae5344c31b10f2d12754ab7fc3afb06baaaaccb93de564dba4e6b5d80bdb9a14b6e21a767654d0c88281cbbd61908f1bdf4b8ac

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

Filesize
10KB

MD5
05e4debc81b24e42696b6246a0f5ab21

SHA1
5273ca90291090b1ef20e0b615299427545e076c

SHA256
c262e243b99902ee2c601d0d623c777c65781e7211a166035bd31d03ba5b7c1a

SHA512
20c527cc35d79cb0a25bd80a2ae5344c31b10f2d12754ab7fc3afb06baaaaccb93de564dba4e6b5d80bdb9a14b6e21a767654d0c88281cbbd61908f1bdf4b8ac

Download Submit
memory/1964-136-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/1964-138-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4760-132-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4760-137-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download