Analysis
-
max time kernel
4294184s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20220311-en -
submitted
21/03/2022, 07:57
Static task
static1
Behavioral task
behavioral1
Sample
readme.dll
Resource
win7-20220311-en
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
readme.dll
Resource
win10v2004-en-20220113
0 signatures
0 seconds
General
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Target
readme.dll
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Size
457KB
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MD5
b7419ae99bdf4bb0d53ac560e308565e
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SHA1
f143fb4f0b339fecff40838b43a645fc0b056c5a
-
SHA256
7cbb379e78c7c547cfd1957ccaa0be899cb97df3d001605c9bd51cd70d975886
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SHA512
5940a1ee8755021233d401e571180f43e6eee0fc14dc4c486394838789482dcac565f9c8c40a3375b1fa3e7717c83705bac776540d8f045ec867b7a24d3ea4c0
Malware Config
Extracted
Family
gozi_ifsb
Botnet
7625
C2
sistemliner.top
linkspremium.ru
premiumlists.ru
Attributes
-
base_path
/drew/
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build
250225
-
exe_type
loader
-
extension
.jlk
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server_id
50
rsa_pubkey.plain
aes.plain
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 880 1808 WerFault.exe 27 -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1508 wrote to memory of 1808 1508 rundll32.exe 27 PID 1508 wrote to memory of 1808 1508 rundll32.exe 27 PID 1508 wrote to memory of 1808 1508 rundll32.exe 27 PID 1508 wrote to memory of 1808 1508 rundll32.exe 27 PID 1508 wrote to memory of 1808 1508 rundll32.exe 27 PID 1508 wrote to memory of 1808 1508 rundll32.exe 27 PID 1508 wrote to memory of 1808 1508 rundll32.exe 27 PID 1808 wrote to memory of 880 1808 rundll32.exe 28 PID 1808 wrote to memory of 880 1808 rundll32.exe 28 PID 1808 wrote to memory of 880 1808 rundll32.exe 28 PID 1808 wrote to memory of 880 1808 rundll32.exe 28
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\readme.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1508 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\readme.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:1808 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1808 -s 2243⤵
- Program crash
PID:880
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