c25d53b46bb85b9b81f140617cad54bba438e64072f5653bc85b62083306a7b1

General

Target

e232399ba45ac62a06158ea55e764769.exe
Size

1.2MB
MD5

e232399ba45ac62a06158ea55e764769
SHA1

953aea3af528492fa0464ee6a198a969fe2ef9a7
SHA256

c25d53b46bb85b9b81f140617cad54bba438e64072f5653bc85b62083306a7b1
SHA512

36c80858c0ac66d09bf2428eba92d17cc862cfe81a90465931711333981f3333425d2767350c246fddf4cb9f7eb65cc7c7b5952951094b697ad8210beda9eed1
SSDEEP

24576:IoqJ4jpebQRLI/bwKlVYswxTI95QnyOujfJzTKUckm8O3bb:IoqJ4jpsQkwKlFwxU95QnyOujrcGW

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2548	install_msgskinner.exe

Loads dropped DLL 6 IoCs

pid	Process
812	e232399ba45ac62a06158ea55e764769.exe
2548	install_msgskinner.exe
2548	install_msgskinner.exe
2548	install_msgskinner.exe
2548	install_msgskinner.exe
2548	install_msgskinner.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\pack.epk	e232399ba45ac62a06158ea55e764769.exe

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

System Information Discovery
T1082

NSIS installer 1 IoCs

installer

resource	yara_rule
behavioral1/files/0x000f000000015c8a-10.dat	nsis_installer_1

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2548	install_msgskinner.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 812 wrote to memory of 2548	812	e232399ba45ac62a06158ea55e764769.exe	27
PID 812 wrote to memory of 2548	812	e232399ba45ac62a06158ea55e764769.exe	27
PID 812 wrote to memory of 2548	812	e232399ba45ac62a06158ea55e764769.exe	27
PID 812 wrote to memory of 2548	812	e232399ba45ac62a06158ea55e764769.exe	27
PID 812 wrote to memory of 2548	812	e232399ba45ac62a06158ea55e764769.exe	27
PID 812 wrote to memory of 2548	812	e232399ba45ac62a06158ea55e764769.exe	27
PID 812 wrote to memory of 2548	812	e232399ba45ac62a06158ea55e764769.exe	27

C:\Users\Admin\AppData\Local\Temp\e232399ba45ac62a06158ea55e764769.exe
"C:\Users\Admin\AppData\Local\Temp\e232399ba45ac62a06158ea55e764769.exe"
1⤵
- Loads dropped DLL
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:812
- C:\Windows\temp\install_msgskinner.exe
  "C:\Windows\temp\install_msgskinner.exe" "/LICFILE=C:\Windows\temp\license.dat" "/MC=C:\Windows\system32\caqoecbpec.exe" "/MCPARAMS=INSTALL:5029564|77|VGOOGB3955921*0.0.47337.1*15|6"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: GetForegroundWindowSpam
  PID:2548

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsyA018.tmp\ioSpecial.ini

Filesize
700B

MD5
c76cf064b6d2e418c2a95ed2fa5ac2d1

SHA1
84309d3ed4b64424999e7bc36fddeea9e6779c0a

SHA256
9720a9254882508ab9cccb066cf358a5fd6ce94e04caf31a3928b05ce553f52c

SHA512
582d117c0a4968d78006b482118df6b4d74647c8ca3045c9771750454a9c28cd9565dc9b5a865ade8c095d4971fa46bcbe37b3e11a02f7d7a22296c1da024014

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsyA018.tmp\ioSpecial.ini

Filesize
713B

MD5
d70587bae08352aa5d3e3bd7b9d3ef32

SHA1
6b994ad152e8def7ff4798804796c849ade9c30f

SHA256
2ade56efdd035345f6f11971d676da2c708f4b6c3fd5619001ca5cea033f7a72

SHA512
fe042b55560cbe37cea0b3d2050929630da04d8eca0fbb6ad9fc5fea5e888e525d1f984319ce5273b522ec3bea5bc68db178a304d4e1e281a7c91f1acee6b639

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsyA018.tmp\ioSpecial.ini

Filesize
739B

MD5
017551658d953cdceb9cd86f08be9a4e

SHA1
e1ab3709f4781b490ac40d565860283ab0622d90

SHA256
293210b32ff39f7cd418bb3622f3bb642ec50adcad36718254466d4a0616ed42

SHA512
cd6ec7ea664e68f57da455c24cfccf938c7232872837b08b4e16da8dd4931f49e1725319827e6bb055ee34c1bcf37ddb4c86850e05006bb9b1639dcb309dd84e

Download Submit
\Users\Admin\AppData\Local\Temp\nsyA018.tmp\InstallOptions.dll

Filesize
12KB

MD5
d61d6c709e7947296603059f8bedeba9

SHA1
bdcfc90c358c82be43ef85727a7bdfebbd6d1b69

SHA256
65012a46603b7e13807938e2a61f3c2a60cced3fb3187dfab3e391705e2c3f63

SHA512
ed5a6efd1dd5e2119a9c523b9f9154e13552b3538bf72f4b8b02d6a9c808c3ae2ba7613d9e2b3395237461703f2da0a1482a52727ffcf6fc967552390dab0f2b

Download Submit
\Users\Admin\AppData\Local\Temp\nsyA018.tmp\LangDLL.dll

Filesize
5KB

MD5
8be27f3bdec2b49d0a6a674716622304

SHA1
70d17db576ed484a4c0195571118d307fd4dc1b9

SHA256
4fe0a8391574867d8bdc6fb33555d90e02796563f02d1e6536acc3294a85bd47

SHA512
add9f37dd0d7a27f19d172c82599a79d049385c12cdfb78745ce2b0685ecea8f85c718bd62ecd671bbed949529429500853534b63226809e707ad3745a8fc801

Download Submit
\Windows\Temp\install_msgskinner.exe

Filesize
922KB

MD5
f1da621246700a7c6e305cd0729402ae

SHA1
e355def95bb8d886ceaaa97098608fcf0cb554f9

SHA256
f032c0b30f554b65ad2aaa21cdd92e1e44a3948e58d81fe7226d997ca348fbb5

SHA512
723ea53e78b8bcb1f44aaef10455a75fd275062c56d6cf667b56e876fd1de5af7fda866e71535d3b7e513a117a9aaa683e19d7b5f7e052bd6a8688a22cdc5a72

Download Submit
memory/812-0-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/812-1-0x0000000000020000-0x0000000000022000-memory.dmp

Filesize
8KB

Download
memory/812-2-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/812-4-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/812-5-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/812-14-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download

Analysis

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