75f019ec7eb220c52b4c48b9b0f575254dbce6cd82bddf9e149ccb58486e655f

Analysis

max time kernel
139s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
13/01/2024, 21:22

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General

Target

59725cb0473db90956b9116d7ff7541f.exe
Size

681KB
MD5

59725cb0473db90956b9116d7ff7541f
SHA1

e67295a2f03192631a51411221e907eaa0c0136a
SHA256

75f019ec7eb220c52b4c48b9b0f575254dbce6cd82bddf9e149ccb58486e655f
SHA512

ee70e4447483c61b35eb8e6f406a0e7f9c4db54d0299c413b416d645f36ed9f991a9aead82a46da231e6d619a15708838a12813fd4a46a510d9bf4ad641112c1
SSDEEP

12288:xeq2Jz4KcrdxByDWaR2sJvjGCDXJlbhvnDloCbKtrGxhl1xLO:xqz6xa2aD75nnbKsxhl1xy

Score

7^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation	59725cb0473db90956b9116d7ff7541f.exe

Executes dropped EXE 2 IoCs

pid	Process
1440	tmp1.exe
4420	tmp2.exe

Loads dropped DLL 48 IoCs

pid	Process
4420	tmp2.exe
4420	tmp2.exe
4420	tmp2.exe
4420	tmp2.exe
4420	tmp2.exe
4420	tmp2.exe
4420	tmp2.exe
4420	tmp2.exe
4420	tmp2.exe
4420	tmp2.exe
4420	tmp2.exe
4420	tmp2.exe
4420	tmp2.exe
4420	tmp2.exe
4420	tmp2.exe
4420	tmp2.exe
4420	tmp2.exe
4420	tmp2.exe
4420	tmp2.exe
4420	tmp2.exe
4420	tmp2.exe
4420	tmp2.exe
4420	tmp2.exe
4420	tmp2.exe
4420	tmp2.exe
4420	tmp2.exe
4420	tmp2.exe
4420	tmp2.exe
4420	tmp2.exe
4420	tmp2.exe
4420	tmp2.exe
4420	tmp2.exe
4420	tmp2.exe
4420	tmp2.exe
4420	tmp2.exe
4420	tmp2.exe
4420	tmp2.exe
4420	tmp2.exe
4420	tmp2.exe
4420	tmp2.exe
4420	tmp2.exe
4420	tmp2.exe
4420	tmp2.exe
4420	tmp2.exe
4420	tmp2.exe
4420	tmp2.exe
4420	tmp2.exe
4420	tmp2.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2480	1440	WerFault.exe	92

NSIS installer 1 IoCs

installer

resource	yara_rule
behavioral2/files/0x000600000002310f-14.dat	nsis_installer_1

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1136	59725cb0473db90956b9116d7ff7541f.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1136 wrote to memory of 1440	1136	59725cb0473db90956b9116d7ff7541f.exe	92
PID 1136 wrote to memory of 1440	1136	59725cb0473db90956b9116d7ff7541f.exe	92
PID 1136 wrote to memory of 1440	1136	59725cb0473db90956b9116d7ff7541f.exe	92
PID 1136 wrote to memory of 4420	1136	59725cb0473db90956b9116d7ff7541f.exe	93
PID 1136 wrote to memory of 4420	1136	59725cb0473db90956b9116d7ff7541f.exe	93
PID 1136 wrote to memory of 4420	1136	59725cb0473db90956b9116d7ff7541f.exe	93

C:\Users\Admin\AppData\Local\Temp\59725cb0473db90956b9116d7ff7541f.exe
"C:\Users\Admin\AppData\Local\Temp\59725cb0473db90956b9116d7ff7541f.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1136
- C:\Users\Admin\AppData\Local\Temp\tmp1.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp1.exe"
  2⤵
  - Executes dropped EXE
  PID:1440
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1440 -s 236
    3⤵
    - Program crash
    PID:2480
- C:\Users\Admin\AppData\Local\Temp\tmp2.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp2.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:4420

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1440 -ip 1440
1⤵
PID:4868

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

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\nsxBB5.tmp\LangDLL.dll

Filesize
5KB

MD5
83c5a8e90cd10cb31a9215eb4421341f

SHA1
52ddbbfa955936f87516c52b2bb679a6b4363e22

SHA256
da006773e11871b8834036c30acab8fabcce2c9e9f52bb2b425f947bdf33f7c6

SHA512
46c20fd762a643028f3c4287ed3dbd762bc1cd17ee5ad1d90cbad23f15901fbab14b726d7f3e45eeb370fb6a2ee5268a2e9ebaae7ab6067c855361d24fc806a4

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsxBB5.tmp\System.dll

Filesize
10KB

MD5
d4d09da0218ba046a66a294f0cca9dfe

SHA1
417b1acdeb0a4de6ac752a93080ca5b9164eb44b

SHA256
9090e47d239aa1da9598a483861165e0153c01ad9ff9d65cb6c0f4497a1da5b3

SHA512
3bc9a65842301dab56c139cc5a3457158d37ef294583728c93da1e11ae457df9551b0f8fbd03d5ea3058f3bc794d0ede57ea3efd5d663b45d25647a39cd955bf

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp1.exe

Filesize
45KB

MD5
76244c7d1578475d209ec88a2c3298fc

SHA1
6a9fc2390e3a07a48bc1d6b081f02444cee671b0

SHA256
b138120aee762fc3d31d353c3664b3d455ad2f9d40348a063adf60ebbea0b9c6

SHA512
33e3ca52e04f602914df8b7d764d875caddb39cd23eb116a7b14b0d77d45e4bddeff68b3051cd5491934dbc119dc9a663aeb6962c05e47dd9cefeebe88dafd0a

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp2.exe

Filesize
620KB

MD5
29c71a94981761d489143be5b5e9ef1b

SHA1
c7f0c631ccce90ab7f79a74c7998bcb27b28bf68

SHA256
c3f1865c755c1049f55c996d38d7398f2ba8d868ffefbc90e5d8d9082b290d73

SHA512
8b881f550e5be95f950a89278b2d91521d3bcb7bf43390e5cc09f20e25fc8ae006e89a62f43b81ee8cb2f1f70d8cde791470e8d1a0bdc82c857ae3945f64a04d

Download Submit
memory/1440-28-0x0000000000880000-0x0000000000890000-memory.dmp

Filesize
64KB

Download