fickerstealer | 39647d1829fcc16d1e20e0b6ccb582b85ff0a37f8530395628c44eda88542ed3

General

Target

0721_7525265361.xls
Size

387KB
MD5

ddfe01c006b3cbf4a6929073e235a8b4
SHA1

59b4c1ec4cb1428b812726c00a29aee9138d46b2
SHA256

39647d1829fcc16d1e20e0b6ccb582b85ff0a37f8530395628c44eda88542ed3
SHA512

48f27d9f21125c49bbd4396b97d9ac69ec363f63c526028fed1734627329d6331332c81a75392807c0d52d1af071bdbee6fa5bce3abe837556d9dcd5885adc1a

Score

10^/10

fickerstealer hancitor 1907_hjfsd downloader infostealer spyware stealer

Malware Config

Extracted

Family

hancitor

Botnet

1907_hjfsd

C2

http://thervidolown.com/8/forum.php

http://wiltuslads.ru/8/forum.php

http://anithedtatione.ru/8/forum.php

Extracted

Family

fickerstealer

C2

pospvisis.com:80

Signatures

Fickerstealer
Ficker is an infostealer written in Rust and ASM.
infostealer fickerstealer
Hancitor
Hancitor is downloader used to deliver other malware families.
downloader hancitor

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

rundll32.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3196	856	rundll32.exe	EXCEL.EXE

Blocklisted process makes network request 3 IoCs

Processes:

rundll32.exe

flow pid process

32 3036 rundll32.exe
34 3036 rundll32.exe
36 3036 rundll32.exe
Downloads MZ/PE file
Loads dropped DLL 2 IoCs

Processes:

rundll32.exe

pid process

3036 rundll32.exe
3036 rundll32.exe
Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

31 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

rundll32.exe

description pid process target process

PID 3036 set thread context of 3288 3036 rundll32.exe svchost.exe

flow	pid	process
32	3036	rundll32.exe
34	3036	rundll32.exe
36	3036	rundll32.exe

pid	process
3036	rundll32.exe
3036	rundll32.exe

flow	ioc
31	api.ipify.org

description	pid	process	target process
PID 3036 set thread context of 3288	3036	rundll32.exe	svchost.exe

Checks processor information in registry 2 TTPs 5 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXEsvchost.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svchost.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE

NTFS ADS 1 IoCs

Processes:

EXCEL.EXE

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Local\Temp\{D112B255-A290-4765-8B23-AA222F25538C}\123.dll:Zone.Identifier	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

856 EXCEL.EXE
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

rundll32.exesvchost.exe

pid process

3036 rundll32.exe
3036 rundll32.exe
3288 svchost.exe
3288 svchost.exe

pid	process
3036	rundll32.exe
3036	rundll32.exe
3288	svchost.exe
3288	svchost.exe

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
856	EXCEL.EXE
856	EXCEL.EXE
856	EXCEL.EXE
856	EXCEL.EXE
856	EXCEL.EXE
856	EXCEL.EXE
856	EXCEL.EXE
856	EXCEL.EXE
856	EXCEL.EXE
856	EXCEL.EXE
856	EXCEL.EXE
856	EXCEL.EXE

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

EXCEL.EXErundll32.exerundll32.exe

description	pid	process	target process
PID 856 wrote to memory of 3196	856	EXCEL.EXE	rundll32.exe
PID 856 wrote to memory of 3196	856	EXCEL.EXE	rundll32.exe
PID 3196 wrote to memory of 3036	3196	rundll32.exe	rundll32.exe
PID 3196 wrote to memory of 3036	3196	rundll32.exe	rundll32.exe
PID 3196 wrote to memory of 3036	3196	rundll32.exe	rundll32.exe
PID 3036 wrote to memory of 3288	3036	rundll32.exe	svchost.exe
PID 3036 wrote to memory of 3288	3036	rundll32.exe	svchost.exe
PID 3036 wrote to memory of 3288	3036	rundll32.exe	svchost.exe
PID 3036 wrote to memory of 3288	3036	rundll32.exe	svchost.exe
PID 3036 wrote to memory of 3288	3036	rundll32.exe	svchost.exe

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\0721_7525265361.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:856
- C:\Windows\System32\rundll32.exe
  "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Local\Temp\omsh.dll,ENHXQBJGBHX
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:3196
- - C:\Windows\SysWOW64\rundll32.exe
    "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Local\Temp\omsh.dll,ENHXQBJGBHX
    3⤵
    - Blocklisted process makes network request
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:3036
  - - C:\Windows\SysWOW64\svchost.exe
      C:\Windows\System32\svchost.exe
      4⤵
      Checks processor information in registry
      Suspicious behavior: EnumeratesProcesses
      PID:3288

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\omsh.dll

MD5
24190cd699631d16521dfb588b2571a3

SHA1
546a86929e82babd0ee6f970d7729e3bf6a14698

SHA256
99c4b9083ed613bc38904eec3e37d24d3ca092067ee54e373cc3c8d6339857a6

SHA512
fd3123ababc536c2530785d52b3323c1250da0d41e18574ee2877013c6ac033f08157e1221cb3b01d971a3e214eba19bbcc4d29b3ea482cc52b433ecb6eacb21

Download Submit
\Users\Admin\AppData\Local\Temp\omsh.dll

MD5
24190cd699631d16521dfb588b2571a3

SHA1
546a86929e82babd0ee6f970d7729e3bf6a14698

SHA256
99c4b9083ed613bc38904eec3e37d24d3ca092067ee54e373cc3c8d6339857a6

SHA512
fd3123ababc536c2530785d52b3323c1250da0d41e18574ee2877013c6ac033f08157e1221cb3b01d971a3e214eba19bbcc4d29b3ea482cc52b433ecb6eacb21

Download Submit
\Users\Admin\AppData\Local\Temp\omsh.dll

MD5
24190cd699631d16521dfb588b2571a3

SHA1
546a86929e82babd0ee6f970d7729e3bf6a14698

SHA256
99c4b9083ed613bc38904eec3e37d24d3ca092067ee54e373cc3c8d6339857a6

SHA512
fd3123ababc536c2530785d52b3323c1250da0d41e18574ee2877013c6ac033f08157e1221cb3b01d971a3e214eba19bbcc4d29b3ea482cc52b433ecb6eacb21

Download Submit
memory/856-122-0x00007FF90C2D0000-0x00007FF90D3BE000-memory.dmp

Filesize
16.9MB

Download
memory/856-339-0x00007FF8EBA40000-0x00007FF8EBA50000-memory.dmp

Filesize
64KB

Download
memory/856-121-0x00007FF8EBA40000-0x00007FF8EBA50000-memory.dmp

Filesize
64KB

Download
memory/856-114-0x00007FF602780000-0x00007FF605D36000-memory.dmp

Filesize
53.7MB

Download
memory/856-123-0x00007FF90A3D0000-0x00007FF90C2C5000-memory.dmp

Filesize
31.0MB

Download
memory/856-342-0x00007FF8EBA40000-0x00007FF8EBA50000-memory.dmp

Filesize
64KB

Download
memory/856-117-0x00007FF8EBA40000-0x00007FF8EBA50000-memory.dmp

Filesize
64KB

Download
memory/856-341-0x00007FF8EBA40000-0x00007FF8EBA50000-memory.dmp

Filesize
64KB

Download
memory/856-116-0x00007FF8EBA40000-0x00007FF8EBA50000-memory.dmp

Filesize
64KB

Download
memory/856-115-0x00007FF8EBA40000-0x00007FF8EBA50000-memory.dmp

Filesize
64KB

Download
memory/856-340-0x00007FF8EBA40000-0x00007FF8EBA50000-memory.dmp

Filesize
64KB

Download
memory/856-118-0x00007FF8EBA40000-0x00007FF8EBA50000-memory.dmp

Filesize
64KB

Download
memory/3036-297-0x0000000002CB0000-0x0000000002CBA000-memory.dmp

Filesize
40KB

Download
memory/3036-299-0x0000000000B60000-0x0000000000B61000-memory.dmp

Filesize
4KB

Download
memory/3036-298-0x0000000002CB1000-0x0000000002CD2000-memory.dmp

Filesize
132KB

Download
memory/3036-296-0x0000000002CB0000-0x0000000002D80000-memory.dmp

Filesize
832KB

Download
memory/3036-289-0x0000000000000000-mapping.dmp

Download
memory/3196-276-0x0000000000000000-mapping.dmp

Download
memory/3288-300-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/3288-301-0x0000000000401480-mapping.dmp

Download
memory/3288-304-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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