stealerium | 60cba219e4f5f5869a14e642b08f478e0f4916ffc6c6cdc5e4d6e397d2ae86af

General

Target

60cba219e4f5f5869a14e642b08f478e0f4916ffc6c6cdc5e4d6e397d2ae86afN.exe
Size

1.6MB
MD5

43f0aa823c23bb7241d631c14353f110
SHA1

349f02fca22a5e95c431eef311a1bfec0fc22f2f
SHA256

60cba219e4f5f5869a14e642b08f478e0f4916ffc6c6cdc5e4d6e397d2ae86af
SHA512

d9a61f7af251d24a134ea6ff620577cd739a3df2946b7c22716dcb63cc3df8e03b8095d2960142abbd93d5b5b2e86afa863184bbbaee31862bdc359d172780a4
SSDEEP

49152:hkTq24GjdGSiqkqXfd+/9AqYanieKdsI:h1EjdGSiqkqXf0FLYW

Score

10^/10

stealerium discovery stealer

Malware Config

Extracted

Family

stealerium

C2

https://discord.com/api/webhooks/1225052212011470899/G0QJCuCgsewiboSGsbwt30FSVi0QRAkc24PebWUdSTCst5Nh7j1voGoejqgwmabOAKQ6

Signatures

Stealerium
An open source info stealer written in C# first seen in May 2022.
stealer stealerium

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
2	discord.com
3	discord.com

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	60cba219e4f5f5869a14e642b08f478e0f4916ffc6c6cdc5e4d6e397d2ae86afN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chcp.com
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1356	timeout.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
2928	taskkill.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1940	60cba219e4f5f5869a14e642b08f478e0f4916ffc6c6cdc5e4d6e397d2ae86afN.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1940	60cba219e4f5f5869a14e642b08f478e0f4916ffc6c6cdc5e4d6e397d2ae86afN.exe
Token: SeDebugPrivilege	2928	taskkill.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1940 wrote to memory of 2584	1940	60cba219e4f5f5869a14e642b08f478e0f4916ffc6c6cdc5e4d6e397d2ae86afN.exe	32
PID 1940 wrote to memory of 2584	1940	60cba219e4f5f5869a14e642b08f478e0f4916ffc6c6cdc5e4d6e397d2ae86afN.exe	32
PID 1940 wrote to memory of 2584	1940	60cba219e4f5f5869a14e642b08f478e0f4916ffc6c6cdc5e4d6e397d2ae86afN.exe	32
PID 1940 wrote to memory of 2584	1940	60cba219e4f5f5869a14e642b08f478e0f4916ffc6c6cdc5e4d6e397d2ae86afN.exe	32
PID 2584 wrote to memory of 2924	2584	cmd.exe	34
PID 2584 wrote to memory of 2924	2584	cmd.exe	34
PID 2584 wrote to memory of 2924	2584	cmd.exe	34
PID 2584 wrote to memory of 2924	2584	cmd.exe	34
PID 2584 wrote to memory of 2928	2584	cmd.exe	35
PID 2584 wrote to memory of 2928	2584	cmd.exe	35
PID 2584 wrote to memory of 2928	2584	cmd.exe	35
PID 2584 wrote to memory of 2928	2584	cmd.exe	35
PID 2584 wrote to memory of 1356	2584	cmd.exe	36
PID 2584 wrote to memory of 1356	2584	cmd.exe	36
PID 2584 wrote to memory of 1356	2584	cmd.exe	36
PID 2584 wrote to memory of 1356	2584	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\60cba219e4f5f5869a14e642b08f478e0f4916ffc6c6cdc5e4d6e397d2ae86afN.exe
"C:\Users\Admin\AppData\Local\Temp\60cba219e4f5f5869a14e642b08f478e0f4916ffc6c6cdc5e4d6e397d2ae86afN.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1940
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmpF697.tmp.bat
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2584
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2924
- - C:\Windows\SysWOW64\taskkill.exe
    TaskKill /F /IM 1940
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2928
- - C:\Windows\SysWOW64\timeout.exe
    Timeout /T 2 /Nobreak
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:1356

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\CabF50B.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarF52D.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpF697.tmp.bat

Filesize
57B

MD5
e480af4fe95a4e56acedfdb80a8dcc0c

SHA1
86c376691e515080fd4b02694ded267401be3546

SHA256
e337b9ffdd3ce0ee7d52dd379b5a83335f030b1e965d3e10a0230cffc1e6d1be

SHA512
9cd78e5357af2e04c54207af09422315fb0699069b291b1d48595f2530bdead40c5d4451c97474a6d22aec043874ae2ffd90fca4900fe036bdd5999b381b7d68

Download Submit
memory/1940-0-0x000000007443E000-0x000000007443F000-memory.dmp

Filesize
4KB

Download
memory/1940-1-0x0000000000C30000-0x0000000000DC2000-memory.dmp

Filesize
1.6MB

Download
memory/1940-2-0x0000000074430000-0x0000000074B1E000-memory.dmp

Filesize
6.9MB

Download
memory/1940-5-0x00000000051D0000-0x0000000005262000-memory.dmp

Filesize
584KB

Download
memory/1940-6-0x0000000000A00000-0x0000000000A26000-memory.dmp

Filesize
152KB

Download
memory/1940-7-0x0000000000A30000-0x0000000000A38000-memory.dmp

Filesize
32KB

Download
memory/1940-46-0x0000000074430000-0x0000000074B1E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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